Southbend Lathe SB1027 User Manual

9" X 48" EVS MILLING MACHINE  
w/COOLANT SYSTEM & POWER FEED  
MODEL SB1027  
OWNER'S MANUAL  
Hundreds of Thousands of Lathes Sold With a Tradition of  
Q
uality Since 1906!  
Copyright © April, 2010  
For Machines Mfg. Since 8/09  
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Table of Contents  
INTRODUCTION  
Graduated Index Rings......................................27  
X-Axis Power Feed.............................................28  
Head Movement.................................................29  
Tilting Head......................................................29  
Rotating Head ...................................................30  
Tramming Spindle.............................................30  
Ram Movement..................................................33  
Moving Ram Back and Forth..............................33  
Rotating Ram ....................................................33  
Setting Spindle Speed........................................34  
Determining Spindle Speed................................34  
Setting Spindle Speed Range .............................34  
Setting Spindle Speed........................................35  
Downfeed Controls.............................................35  
Using the Coarse Downfeed Handle ...................35  
Fine Downfeed Controls.....................................37  
Using the Fine Downfeed Handwheel.................37  
Using the Auto-Downfeed System ......................38  
Spindle Brake.....................................................39  
Loading/Unloading Tooling...............................40  
Loading Tooling.................................................40  
Unloading Tooling .............................................40  
About This Machine.............................................3  
Foreword.............................................................3  
Capabilities.........................................................3  
Features..............................................................3  
Full View Identification.......................................4  
Drive System, Headstock,  
& Control Panel Identification............................5  
Machine Specifications ........................................6  
SAFETY  
Understanding Risks of Machinery ....................9  
Basic Machine Safety ..........................................9  
Additional Milling Machine Safety...................11  
PREPARATION  
Preparation Overview........................................12  
Things You'll Need.............................................12  
Unpacking ..........................................................13  
Inventory............................................................13  
Cleaning & Protecting .......................................14  
Location..............................................................15  
Physical Environment........................................15  
Electrical Installation ........................................15  
Lighting ............................................................15  
Weight Load......................................................15  
Space Allocation ................................................15  
Lifting & Moving................................................16  
Leveling & Mounting.........................................17  
Leveling ............................................................17  
Bolting to Concrete Floors..................................17  
Assembly ............................................................18  
Ball Handles......................................................18  
Z-Axis Crank.....................................................18  
Way Covers .....................................................18  
Splash Pan & Coolant Return Hoses ..................19  
Initial Lubrication .............................................20  
Power Connection ..............................................20  
Test Run.............................................................21  
Spindle Break-In................................................24  
Inspections & Adjustments ...............................24  
MAINTENANCE  
Maintenance Schedule.......................................41  
Ongoing.............................................................41  
Machine Storage ................................................41  
Before Beginning Operations .............................41  
Daily, After Operations......................................41  
Cleaning .............................................................43  
Unpainted & Machined Surfaces........................43  
Lubrication.........................................................43  
Quill..................................................................44  
Table Ways (One-Shot Oiler)..............................44  
Speed Range Bearing Sleeve ..............................45  
Headstock Gearing ............................................45  
Ram Ways.........................................................45  
Head & Ram Rack & Pinion Gear ......................45  
Table Elevation Leadscrew ................................46  
Power Feed Gears..............................................46  
Coolant Reservoir...............................................48  
Checking Coolant Level .....................................48  
Changing Coolant..............................................49  
Machine Storage ................................................50  
Adjusting Gibs....................................................50  
OPERATION  
Operation Overview...........................................25  
Control Panel .....................................................26  
Table Movement.................................................27  
Table Locks .......................................................27  
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Adjusting Leadscrew Backlash.........................51 PARTS  
Longitudinal Leadscrew Backlash......................52  
Cross Leadscrew Backlash.................................52  
Belt Tensioning..................................................53  
Headstock...........................................................61  
Quill....................................................................64  
Gearbox ..............................................................65  
Belt Housing.......................................................67  
Ram.....................................................................69  
Column, Knee & Saddle ....................................70  
Table...................................................................72  
One-Shot Oiler ...................................................74  
Coolant System ..................................................75  
Electric Box & Control Panel ............................76  
Tools....................................................................78  
Machine Labels A ..............................................79  
Machine Labels B ..............................................80  
TROUBLESHOOTING.................................................54  
ELECTRICAL  
Electrical Safety Instructions ...........................56  
Upper Electrical Panel ......................................57  
Lower Electrical Panel ......................................58  
Control Panel Wiring.........................................59  
Electrical Component Pictures..........................60  
WARRANTY & RETURNS..........................................81  
South Bend Vertical Spindle Precision Milling Machine  
(circa 1958)  
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For Machines Mfg. Since 8/09  
Model SB1027  
I N T R O D U C T I O N  
About This Machine  
Foreword  
Capabilities  
"Most boys should learn a trade in order that  
they may become skilled workmen. The trained  
workman is always in demand...When a boy has  
learned a trade, becomes a skilled mechanic,  
he has excellent equipment with which to begin  
life's battle, but he need not stop there. George  
Westinghouse, the Wright Brothers, Henry Ford,  
and the Studebaker Brothers were mechanics,  
and it was their mechanical training that  
made their success possible." —Machine Shop  
Equipment, 2nd Ed., 1920, by the O'Brien  
Brothers, founders of South Bend Lathe.  
This Milling Machine is built for daily, non-stop  
use in a busy industrial setting, tool room, or  
school shop. It is easy to set-up, truly accurate,  
and built to give you long years of service when  
properly cared for. This milling machine supports  
workpieces up to 750 lbs. and is perfect for face  
milling, end milling, planing, slot or keyway  
cutting, dovetailing, routing, drilling, reaming,  
and boring to name a few. With the movable ram  
and tilting head, all these tasks can be performed  
on horizontal, vertical, and angled surfaces.  
When equipped with additional accessories, such  
as a rotary table or dividing head, this milling  
machine can do even more.  
The first South Bend milling machine debuted in  
the 1950's. During that time, the milling machine  
and the already well-established South Bend  
lathes created the foundation of many tool rooms  
and school shops across America and beyond  
her borders. Many young people in those days  
came of age on South Bend equipment, becoming  
world-class machinists, mechanical engineers,  
inventors, and manufacturing visionaries.  
Features  
This milling machine features 3-axis table  
movement with built-in longitudinal power feed.  
It is constructed with high-grade Meehanite  
castings, and the saddle and knee ways are  
Turcite coated and built with wide dovetails for  
maximum support and accuracy through the full  
range of movement.  
A lot has changed in the world since then. Those  
same school shops have mostly been replaced  
by computer labs. The technology in the rotary  
dial phone, television set, mechanical calculator,  
computer, and camera of that decade could  
barely fit into one large room together—now  
they fit into a tiny box that is no bigger than a  
box of breath mints. And the average production  
machinist spends more time at a computer than  
at a machine. Technology has been much refined  
and the world operates on a much faster pace.  
To ensure quality work results, we have equipped  
this mill with NSK or NTN spindle bearings that  
are rated to P4 (ABEC-7) tolerances. The spindle  
taper is R8 and the spindle has powered down  
feed with fine, medium, and coarse feed controls.  
The headstock is mounted on a wide-dovetail  
movable ram with 13" of travel on the column  
and 360° rotating capability. The headstock itself  
can swivel 90° left/right or 45° forward/back so it  
can be positioned for nearly any setup needed.  
But some things haven't changed. The same  
human ingenuity and passion that created the  
best mechanical technology of today still exists  
within us. The core machines of the modern shop,  
like this South Bend milling machine, are still  
fundamentally important.  
To reduce the time spent doing daily lubrication,  
we have outfitted this milling machine with a  
one-shot lubrication system that is as quick and  
easy as one pump of a lever.  
Quality Allen-Bradley electrical components and  
attention to detail provide dependable electrical  
control of the powered movements.  
When you think about it, the greatest mechanical  
technology of the future will be what we create  
today. As the owner of a South Bend milling  
machine, you are now part of a great legacy.  
What will you create with yours?  
And finally, this milling machine comes with a  
circulating coolant system with the pump and  
reservoir in the column base.  
-3-  
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Model SB1027  
For Machines Mfg. Since 8/09  
I N T R O D U C T I O N  
Full View Identification  
Drive System & Headstock  
(See Page 5  
Control Panel  
(See Page 5  
for Identification)  
for Identification)  
Lifting Eye Bolt  
Coolant Nozzle  
& Valve  
Electrical  
Cabinet  
Work Table  
Power Feed  
Limit Switch  
X-Axis Ball Handle  
X-Axis  
Power Feed  
Y-Axis Ball Handle  
Knee  
Coolant Return  
Hose  
Z-Axis Crank  
One-Shot  
Oiler  
Splash Pan  
Figure 1. SB1027 full view identification.  
-4-  
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Model SB1027  
I N T R O D U C T I O N  
Drive System, Headstock, & Control Panel  
Identification  
Motor  
Belt Tension  
Adjustment  
Lever  
Spindle Brake  
& Switch  
Belt Housing  
Spindle Speed  
Display  
Manual/Power  
Downfeed  
Selector  
Emergency  
STOP Button  
Spindle Speed  
Range Selector  
Quill Depth  
Stop  
ON Button  
Downfeed  
Rate Selector  
Downfeed  
Direction Pin  
Coolant Switch  
Spindle Direction Switch  
Spindle Speed Dial  
Fine Downfeed  
Handwheel  
Coarse Downfeed Lever  
Quill Lock Lever  
Downfeed Clutch Lever  
Adjustable Downfeed Stop  
Dial Indicator  
Rod  
Quill  
Spindle  
Figure 2. SB1027 drive system and headstock identification.  
Serious personal injury could occur if  
you connect the machine to power before  
completing the setup process. DO NOT  
connect power until instructed to do so later  
in this manual.  
Untrained users have an increased risk  
of seriously injuring themselves with this  
machine. Do not operate this machine until  
you have understood this entire manual and  
received proper training.  
-5-  
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Model SB1027  
For Machines Mfg. Since 8/09  
I N T R O D U C T I O N  
Machine Specifications  
P.O. Box 2027, Bellingham, WA 98227 U.S.A.  
PHONE: (360) 647-0801 Ext. 223 FAX: (360) 676-1075  
Model SB1027  
9" x 48" EVS Milling Machine  
w/Coolant System & Power Feed  
Product Dimensions:  
Weight ........................................................................................................................................................................2156 lbs.  
Length/Width/Height ................................................................................................................................... 57" x 71" x 8712  
Foot Print (Length/Width) .........................................................................................................................................36" x 24"  
"
Shipping Dimensions:  
Type........................................................................................................................................................................Wood Crate  
Content........................................................................................................................................................................ Machine  
Weight .........................................................................................................................................................................2420 lbs.  
Length/Width/Height ....................................................................................................................................... 58" x 54" x 73"  
Electrical:  
Required Power Source................................................................................................................ 220V, Single-Phase, 60 Hz  
Phase Inverter ................................................................................................................................................Yaskawa V1000  
Switch....................................................................................................... Magnetic Switch w/Thermal Overload Protection  
Switch Voltage.................................................................................................................................................................. 220V  
Minimum Circuit Size..................................................................................................................................................15 Amp  
Recommended Power Cord .........................................................................................................14 Gauge, 3 Wire, 300 VAC  
Plug Included........................................................................................................................................................................No  
Recommended Plug ...............................................................................................................................................NEMA 6-15  
Motors:  
Spindle  
Type ...................................................................................................................................................... AEVF Induction  
Horsepower.............................................................................................................................................................. 3 HP  
Voltage..................................................................................................................................................................... 220V  
Phase .................................................................................................................................................................. 3-Phase  
Amps................................................................................................................................................................. 8.5 Amps  
Number Of Speeds.........................................................................................................................................................1  
Speeds............................................................................................................................................................. 1725 RPM  
Cycle .......................................................................................................................................................................60 Hz  
Power Transfer............................................................................................................................................... Belt Drive  
Bearings............................................................................................................... Lubricated and Permanently Sealed  
-6-  
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Model SB1027  
I N T R O D U C T I O N  
Motors (continued):  
Coolant Pump  
Type ..............................................................................................................................................TE Induction Class F  
Horsepower............................................................................................................................................................. 18 HP  
Voltage..................................................................................................................................................................... 220V  
Phase ..........................................................................................................................................................Single-Phase  
Amps............................................................................................................................................................... 0.45 Amps  
Number Of Speeds.........................................................................................................................................................1  
Speeds............................................................................................................................................................. 3450 RPM  
Cycle .......................................................................................................................................................................60 Hz  
Power Transfer............................................................................................................................................Direct Drive  
Bearings............................................................................................................... Lubricated and Permanently Sealed  
Main Specifications:  
Operation Information  
Spindle Travel.............................................................................................................................................................. 5"  
Longitudinal Table Travel......................................................................................................................................... 30"  
Cross Table Travel..................................................................................................................................................... 12"  
Vertical Table Travel................................................................................................................................................. 16"  
Ram Travel................................................................................................................................................................. 13"  
Ram Swivel............................................................................................................................................................... 180°  
Head Tilt.....................................................................................................................................45° Forward, 45° Back  
Head Swivel.......................................................................................................................................90° Right, 90° Left  
Distance Range Spindle to Column.....................................................................................................................6"–19"  
Distance Range Spindle to Table.........................................................................................................................0"–18"  
Drilling Capacity for Cast Iron................................................................................................................................... 1"  
Drilling Capacity for Steel ........................................................................................................................................3⁄4"  
Number of Spindle Speeds ............................................................................................................................... Variable  
Range of Spindle Speeds ......................................................................................................................... 60–5000 RPM  
Number of Longitudinal Feed Rates ............................................................................................................... Variable  
Longitudinal Feed Rate Range .................................................................................................................... 0–313 FPM  
Quill Diameter ...................................................................................................................................................... 3.375"  
Number of Quill Auto-Feed Rates ................................................................................................................................3  
Quill Auto-Feed Rates .......................................................................................................0.0015, 0.003, 0.006 in./rev.  
Table Information  
Length/Width/Thickness............................................................................................................................. 48" x 9" x 3"  
Number of T-Slots..........................................................................................................................................................3  
T-Slot Width/Height ............................................................................................................................................58" x 1"  
T-Slot Distance Center-to-Center ............................................................................................................................ 212  
Stud Size...................................................................................................................................................................... 12  
"
"
Spindle Information  
Spindle Taper.............................................................................................................................................................. R8  
End Milling Capacity................................................................................................................................................... 1"  
Face Milling Capacity.................................................................................................................................................. 4"  
Draw Bar Diameter/TPI........................................................................................................................................ 12"-20  
Draw Bar Length.................................................................................................................................................... 1812  
"
Spindle Bearing Type .............................................Angular Contact P4 (ABEC-7) & Double-Shielded Ball Bearing  
Spindle Diameter....................................................................................................................................................11316"  
Construction  
Quill .........................................................................................................................................................Chromed Steel  
Table .............................................................................................................Hardened & Precision-Ground Cast Iron  
Headstock...................................................................................................................................... Meehanite Cast Iron  
Column & Base ............................................................................................................................. Meehanite Cast Iron  
Knee & Saddle............................................................................................................................... Meehanite Cast Iron  
Paint .................................................................................................................................................................Urethane  
-7-  
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Model SB1027  
For Machines Mfg. Since 8/09  
I N T R O D U C T I O N  
Other Specifications  
Machine No-Load Sound Level @ 5000 RPM ................................................................................................................54 dB  
Country of Origin ......................................................................................................................................................... Taiwan  
Warranty.........................................................................................................................................................................1 Year  
Serial Number Location.......................................................................................Machine ID Label On Column Right Side  
Customer Setup & Cleaning Time ......................................................................................................................... 1–2 Hours  
Features  
High-Quality, Low-Vibration AEVF Spindle Motor  
P4 (ABEC-7) High-Quality Angular Contact Spindle Bearings  
Powered Recycling Coolant System  
X & Y Leadscrew Nuts Double-Bronzed for Ultra-Smooth Movement w/Minimal Backlash  
Lever-Action, One-Shot Pump Lubrication System  
Auto-Downfeed Stop with Micro-Adjustable Stop  
Variable Speed Longitudinal Power Feed  
Hardened and Precision-Ground Table Surface  
Chromed Steel Quill  
Heavy-Duty Spindle Brake  
-8-  
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Model SB1027  
S A F E T Y  
Understanding Risks of Machinery  
Operating all machinery and machining equipment can be dangerous or relatively safe depending  
on how it is installed and maintained, and the operator's experience, common sense, risk awareness,  
working conditions, and use of personal protective equipment (safety glasses, respirators, etc.).  
The owner of this machinery or equipment is ultimately responsible for its safe use. This  
responsibility includes proper installation in a safe environment, personnel training and usage  
authorization, regular inspection and maintenance, manual availability and comprehension,  
application of safety devices, integrity of cutting tools or accessories, and the usage of approved  
personal protective equipment by all operators and bystanders.  
The manufacturer of this machinery or equipment will not be held liable for injury or property  
damage from negligence, improper training, machine modifications, or misuse. Failure to read,  
understand, and follow the manual and safety labels may result in serious personal injury, including  
amputation, broken bones, electrocution, or death.  
The signals used in this manual to identify hazard levels are defined as follows:  
Death or catastrophic  
harm WILL occur.  
Moderate injury or fire  
MAY occur.  
Death or catastrophic  
harm COULD occur.  
Machine or property  
damage may occur.  
Basic Machine Safety  
1. Owner’s Manual: All machinery and  
machining equipment presents serious  
injury hazards to untrained users. To  
reduce the risk of injury, anyone who uses  
THIS item MUST read and understand  
this entire manual before starting.  
3. Trained/Supervised Operators Only:  
Untrained users can seriously injure  
themselves or bystanders. Only allow  
trained and properly supervised personnel  
to operate this item. Make sure safe  
operation instructions are clearly  
understood. If electrically powered, use  
padlocks and master switches, and remove  
start switch keys to prevent unauthorized  
use or accidental starting.  
2. Personal Protective Equipment: Operating  
or servicing this item may expose the user  
to flying debris, dust, smoke, dangerous  
chemicals, or loud noises. These hazards  
can result in eye injury, blindness, long-  
term respiratory damage, poisoning,  
4. Guards/Covers: Accidental contact with  
moving parts during operation may cause  
severe entanglement, impact, cutting,  
or crushing injuries. Reduce this risk by  
keeping any included guards/covers/doors  
installed, fully functional, and positioned  
for maximum protection.  
cancer, reproductive harm or hearing loss.  
Reduce your risks from these hazards  
by wearing approved eye protection,  
respirator, gloves, or hearing protection.  
-9-  
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Model SB1027  
For Machines Mfg. Since 8/09  
S A F E T Y  
5. Entanglement: Loose clothing, gloves,  
neckties, jewelry or long hair may  
get caught in moving parts, causing  
entanglement, amputation, crushing,  
or strangulation. Reduce this risk by  
removing/securing these items so they  
cannot contact moving parts.  
11. Chuck Keys or Adjusting Tools: Tools used  
to adjust spindles, chucks, or any moving/  
rotating parts will become dangerous  
projectiles if left in place when the machine  
is started. Reduce this risk by developing  
the habit of always removing these tools  
immediately after using them.  
12. Work Area: Clutter and dark shadows  
increase the risks of accidental injury.  
Only operate this item in a clean, non-  
glaring, and well-lighted work area.  
6. Mental Alertness: Operating this item  
with reduced mental alertness increases  
the risk of accidental injury. Do not let a  
temporary influence or distraction lead to a  
permanent disability! Never operate when  
under the influence of drugs/alcohol, when  
tired, or otherwise distracted.  
13. Properly Functioning Equipment: Poorly  
maintained, damaged, or malfunctioning  
equipment has higher risks of causing  
serious personal injury compared to  
those that are properly maintained.  
To reduce this risk, always maintain  
this item to the highest standards and  
promptly repair/service a damaged or  
malfunctioning component. Always follow  
the maintenance instructions included in  
this documentation.  
7. Safe Environment: Operating electrically  
powered equipment in a wet environment  
may result in electrocution; operating near  
highly flammable materials may result in a  
fire or explosion. Only operate this item in  
a dry location that is free from flammable  
materials.  
8. Electrical Connection: With electically  
powered equipment, improper connections  
to the power source may result in  
14. Unattended Operation: Electrically  
powered equipment that is left unattended  
while running cannot be controlled and is  
dangerous to bystanders. Always turn the  
power OFF before walking away.  
electrocution or fire. Always adhere to all  
electrical requirements and applicable  
codes when connecting to the power source.  
Have all work inspected by a qualified  
electrician to minimize risk.  
15. Cancer or Respiratory Hazards: Certain  
cutting fluids and lubricants, or dust/  
smoke created when cutting, may  
9. Disconnect Power: Adjusting or servicing  
electrically powered equipment while it  
is connected to the power source greatly  
increases the risk of injury from accidental  
startup. Always disconnect power  
contain chemicals known to cause cancer,  
respiratory problems, birth defects,  
or other reproductive harm. Minimize  
exposure to these chemicals by wearing  
approved personal protective equipment  
and operating in a well ventilated area.  
BEFORE any service or adjustments,  
including changing blades or other tooling.  
16. Difficult Operations: Attempting  
difficult operations with which you are  
unfamiliar increases the risk of injury.  
If you experience difficulties performing  
the intended operation, STOP! Seek an  
alternative method to accomplish the  
same task, ask a qualified expert how the  
operation should be performed, or contact  
our Technical Support for assistance.  
10. Secure Workpiece/Tooling: Loose  
workpieces, cutting tools, or rotating  
spindles can become dangerous projectiles  
if not secured or if they hit another object  
during operation. Reduce the risk of this  
hazard by verifying that all fastening  
devices are properly secured and items  
attached to spindles have enough clearance  
to safely rotate.  
-10-  
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Model SB1027  
S A F E T Y  
Additional Milling Machine Safety  
1. Understanding Controls: The mill is a  
complex machine that presents severe  
cutting or amputation hazards if used  
incorrectly. Make sure you understand the  
use and operation of all controls before you  
begin milling.  
6. Stopping Spindle: To reduce the risk of hand  
injuries or entanglement hazards, DO NOT  
attempt to stop the spindle with your hand  
or a tool. Allow the spindle to stop on its own  
or use the spindle brake.  
7. Chip Cleanup: Chips from the operation are  
sharp and hot and can cause burns or cuts.  
Using compressed air to clear chips could  
cause them to fly into your eyes, and may  
drive them deep into the working parts of  
the machine. Use a brush or vacuum to clear  
away chips and debris from the machine or  
workpiece and NEVER clear chips while the  
spindle is turning.  
2. Safety Accessories: Flying chips or debris  
from the cutting operation can cause eye  
injury or blindness. Always use a chip guard  
in addition to your safety glasses or use a  
face shield when milling.  
3. Work Holding: Milling a workpiece that is  
not properly clamped to the table could cause  
the workpiece to fly into the operator with  
deadly force! Before starting the machine,  
be certain the workpiece has been properly  
clamped to the table. NEVER hold the  
workpiece by hand during operation.  
8. Machine Care & Maintenance: Operating  
the mill with excessively worn or damaged  
machine parts increases the risk of machine  
or workpiece breakage, which could eject  
hazardous debris at the operator. Operating  
a mill in poor condition will also reduce  
the quality of the results. To reduce this  
risk, maintain the mill in proper working  
condition by ALWAYS promptly performing  
routine inspections and maintenance.  
4. Spindle Speed: To avoid tool or workpiece  
breakage that could send flying debris at  
the operator and bystanders, use the correct  
spindle speed for the operation. Allow the  
mill to gain full speed before beginning the  
cut.  
9. Cutting Tool Usage: Cutting tools have very  
sharp leading edges—handle them with care!  
Using cutting tools that are in good condition  
helps to ensure quality milling results and  
reduces the risk of personal injury from  
broken tool debris. Inspect cutting tools for  
sharpness, chips, or cracks before each use,  
and ALWAYS make sure the cutting tools  
are firmly held in place before starting the  
machine.  
5. Spindle Direction Change: Changing spindle  
rotation direction while it is spinning could  
lead to impact injury from broken tool or  
workpiece debris, and workpiece or machine  
damage. ALWAYS make sure the spindle is  
at a complete stop before changing spindle  
direction.  
-11-  
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Model SB1027  
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P R E P A R AT I O N  
Preparation Overview Things You'll Need  
The purpose of the preparation section is to help  
you prepare your machine for operation.  
During the setup process, operation, and  
maintenance of your machine, you'll need the  
following items:  
The typical preparation process is as follows:  
1. Unpack the machine and inventory the  
For Lifting  
A forklift or other power lifting device rated  
for the weight of the machine  
contents of the box/crate.  
Two sifting straps rated for at least 3000 lbs.  
each (refer to Page 16 for details)  
2. Clean the machine and its components.  
3. Identify an acceptable location for the  
For Power Connection  
machine and move it to that location.  
A qualified electrician to ensure a safe and  
code-compliant connection to the power  
source (refer to Page 20 for details)  
4. Level the machine and either bolt it to the  
floor or place it on mounts.  
For Assembly  
5. Assemble the loose components and make  
any necessary adjustments or inspections to  
ensure the machine is ready for operation.  
Cotton rags  
Mineral spirits  
Safety glasses  
Oil can with any general machine oil  
Grease gun with any API GL 2 grease  
Stiff grease brush  
Phillips dcrewdriver #2  
Floor mounting hardware  
Hex wrench 5mm  
6. Connect the machine to the power source.  
7. Test run the machine to make sure it  
functions properly and is ready for operation.  
as needed  
Hex wrench 6mm  
Combo wrench 12" or ratchet and 12" socket  
-12-  
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For Machines Mfg. Since 8/09  
Model SB1027  
P R E P A R AT I O N  
Unpacking  
A
This item was carefully packaged to prevent  
damage during transport. If you discover any  
damage, please immediately call Customer  
Service at (360) 734-1540 for advice. You may  
need to file a freight claim, so save the containers  
and all packing materials for possible inspection  
by the carrier or its agent.  
B
D
E
C
G
F
H
I
Inventory  
After all of the parts, other than the mill, have  
been removed from the shipping crate, you  
should have the following inventory.  
L
M
J
N
K
Description (Figure 3)  
Qty  
A. Front Way Cover............................................1  
B. Rear Way Cover .............................................1  
C. Fine Downfeed Handwheel............................1  
D. Drawbar 716"-20 x 1812"..................................1  
E. Ball Handles (Left Y-Axis, X-Axis) ...............2  
F. Ball Handle (Power Feed)..............................1  
G. Ball Handle Handles......................................3  
H. Oil Bottle ........................................................1  
I. Tool Box..........................................................1  
J. Combo Closed-End Wrench 19/21mm...........1  
K. Combo Open-End Wrench 12/14mm.............1  
L. Coarse Downfeed Lever.................................1  
M. Z-Axis Crank ..................................................1  
N. Hex Wrench 10 Pc. Set 1.5–10mm................1  
O. Screwdrivers Slotted #2, Phillips #2....1 Each  
P. Splash Pan......................................................1  
Q. Coolant Return Hose Pipe Elbows................2  
R. Coolant Return Hoses w/Clamps ..................2  
O
P
Q
R
Figure 3. Shipping inventory.  
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Model SB1027  
For Machines Mfg. Since 8/09  
P R E P A R AT I O N  
Cleaning & Protecting  
The unpainted surfaces are coated at the factory  
with a heavy-duty rust preventative that  
prevents corrosion during shipment and storage.  
The benefit of this rust preventative is that it  
works very well. The downside is that it can be  
time-consuming to thoroughly remove.  
Many cleaning solvents are  
toxic if inhaled. Minimize  
your risk by only using  
these products in a well  
ventilated area.  
Be patient and do a careful job when cleaning  
and removing the rust preventative. The time  
you spend doing this will reward you with  
smooth-sliding parts and a better appreciation  
for the proper care of the unpainted surfaces.  
Avoid chlorine-based solvents, such as  
acetone or brake parts cleaner that may  
damage painted surfaces. Always follow the  
manufacturer’s instructions when using any  
type of cleaning product.  
Although there are many ways to successfully  
remove the rust preventative, we have cleaned  
thousands of machines and found the following  
process to be the best balance between efficiency  
and minimized exposure to toxic fumes or  
chemicals.  
Basic steps for removing rust preventative:  
1. Put on safety glasses and disposable gloves.  
2. Coat all surfaces that have rust preventative  
with a liberal amount of your cleaner or  
degreaser and let them soak for a few  
minutes.  
Before cleaning, gather the following:  
Disposable rags  
Cleaner/degreaser (certain citrus-based  
degreasers work extremely well and they  
have non-toxic fumes)  
3. Wipe off the surfaces. If your cleaner or  
degreaser is effective, the rust preventative  
will wipe off easily.  
Safety glasses & disposable gloves  
Note: To clean off thick coats of rust preventative  
on flat surfaces, such as beds or tables, use  
a PLASTIC paint scraper to scrape off the  
majority of the coating before wiping it off  
with your rag. (Do not use a metal scraper or  
it may scratch the surface.)  
Note: Automotive degreasers, mineral spirits, or  
WD•40 can be used to remove rust preventative.  
Before using these products, though, test them  
on an inconspicuous area of a painted area to  
make sure they will not damage it.  
4. Repeat Steps 2–3 as necessary until clean,  
then coat all unpainted surfaces with a  
quality metal protectant or light oil to  
prevent rust.  
Gasoline and petroleum  
products have low flash  
points and can explode  
or cause fire if used for  
cleaning. Avoid using these  
products to remove rust  
preventative.  
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For Machines Mfg. Since 8/09  
Model SB1027  
P R E P A R AT I O N  
Weight Load  
Location  
Refer to the Machine Specifications for the  
weight of your machine. Make sure that the  
surface upon which the machine is placed will  
bear the weight of the machine, additional  
equipment that may be installed on the machine,  
and the heaviest workpiece that will be used.  
Additionally, consider the weight of the operator  
and any dynamic loading that may occur when  
operating the machine.  
Physical Environment  
The physical environment where your machine  
is operated is important for safe operation and  
longevity of parts. For best results, operate this  
machine in a dry environment that is free from  
excessive moisture, hazardous or flammable  
chemicals, airborne abrasives, or extreme  
conditions. Extreme conditions for this type  
of machinery are generally those where the  
ambient temperature is outside the range of 41°–  
104°F; the relative humidity is outside the range  
of 20–95% (non-condensing); or the environment  
is subject to vibration, shocks, or bumps.  
Space Allocation  
Consider the largest size of workpiece that will  
be processed through this machine and provide  
enough space around the machine for adequate  
operator material handling or the installation  
of auxiliary equipment. With permanent  
installations, leave enough space around  
the machine to open or remove doors/covers  
as required by the maintenance and service  
described in this manual.  
Electrical Installation  
Place this machine near an existing power  
source. Make sure all power cords are protected  
from traffic, material handling, moisture,  
chemicals, or other hazards. Make sure to leave  
access to a means of disconnecting the power  
source or engaging a lockout/tagout device.  
Children or untrained  
people may be seriously  
injured by this machine.  
Only install in an access  
restricted location.  
Lighting  
Lighting around the machine must be adequate  
enough that operations can be performed  
safely. Shadows, glare, or strobe effects that  
may distract or impede the operator must be  
eliminated.  
Wall  
30"  
23"  
30"  
38"  
24"  
1
832  
"
= Power connection  
36"  
63"  
Figure 4. Clearances.  
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Model SB1027  
For Machines Mfg. Since 8/09  
P R E P A R AT I O N  
2. Place the lifting web straps under the ram  
and connect them to the safety hook, as  
illustrated in Figure 5.  
Lifting & Moving  
Note: Place padding between the straps and the  
mill to protect the ram and ways, and to  
keep from cutting the lifting straps.  
This machine and its  
parts are heavy! Serious  
personal injury may occur  
if safe moving methods are  
not used. To reduce the  
risk of a lifting or dropping  
injury, ask others for help  
and use power equipment.  
Lifting  
Web Straps  
The method of lifting and moving the mill  
described below requires at least two other  
people for assistance, and a forklift with two  
lifting web straps rated for at least 3000 lbs.  
each.  
Turret  
Lock Bolts  
Important: Before lifting the mill, make sure the  
four turret lock bolts (two on either side of the  
ram) are torqued to 47 ft/lbs.  
Figure 5. Lifting the mill using web straps.  
3. Unbolt the mill from the shipping pallet.  
To lift and move the mill:  
1. Swing the ram around 180° from the position  
that it was shipped in, then rotate the  
head upright, as illustrated in Figure 5  
(refer to Ram Movement on Page 33 and  
Headstock Movement on Page 29 for  
detailed instructions).  
4. With your assistants steadying the load to  
keep it from swaying, lift the mill a couple of  
inches.  
— If the mill tips to one side, lower it to the  
ground and adjust the ram or table to  
balance the load. Make sure to re-tighten  
the lock levers and bolts before lifting the  
mill again.  
Note: After re-positioning the ram and  
headstock, make sure they are locked in  
place to prevent unexpected movement  
during lifting and moving.  
— If the mill lifts evenly, continue to move it  
to its permanent location.  
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For Machines Mfg. Since 8/09  
Model SB1027  
P R E P A R AT I O N  
Bolting to Concrete Floors  
Leveling & Mounting  
Although not required, we recommend that  
you level your machine and mount it to the  
floor. Because this is an optional step and floor  
materials may vary, mounting hardware is not  
included. Generally, you can either bolt your  
machine to the floor or mount it on machine  
mounts.  
Anchor  
Bolt  
We strongly recommend securing your  
machine to the floor if it is hardwired to the  
power source. Consult with your electrician to  
ensure compliance with local codes.  
Lag Bolt  
and Anchor  
Leveling  
Leveling machinery helps precision components,  
such as bed ways, remain straight and flat  
during the lifespan of the machine. Components  
on an unleveled machine may slowly twist due to  
the dynamic loads placed on the machine during  
operation.  
Figure 7. Common types of fasteners for bolting  
machinery to concrete floors.  
To level a machine, place metal shims under  
the contact points where the machine rests on  
the floor. For best results, use a precision level  
that is at least 12" long and sensitive enough to  
show a distinct movement when a 0.003" shim  
(approximately the thickness of one sheet of  
standard newspaper) is placed under one end of  
the level. See the figure below for an example of a  
high precision level.  
Figure 6. Example of a precision level.  
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Model SB1027  
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5. Remove the hex nut from the Y-axis  
P R E P A R AT I O N  
Assembly  
leadscrew.  
6. Align the keyway of the ball handle with  
leadscrew key, slide the Y-axis ball handle  
(see Figure 8) onto the leadscrew, then  
secure it in place with the removed hex nut.  
Ball Handles  
The ball handles for the X-axis leadscrew have  
spring-loaded, keyed center bushings, as shown  
in Figure 8. This allows them to disengage  
from the leadscrew when using the power feed,  
avoiding an entanglement hazard.  
7. Thread the handles into the small end of  
the ball handles and tighten them with a  
wrench.  
Ball Handle  
Handle  
Z-Axis Crank  
Slide the knee crank onto the shaft so that the  
teeth of the crank and shaft engage, as shown in  
Figure 9.  
Spring-Loaded  
Bushing  
Y-Axis  
Ball Handle  
Figure 8. Ball handle assemblies.  
To install the ball handles:  
1. Remove the hex nuts from each end of the  
Z-Axis Crank  
Teeth Engaged  
X-axis leadscrew.  
2. Identify the two ball handles with the  
spring-loaded center bushings (see  
Figure 8).  
Figure 9. Z-axis crank installed.  
3. For each ball handle, position it so that the  
protruding part of the center bushing is  
facing toward the table, align the keyway  
with the leadscrew key, then slide it onto the  
X-axis leadscrew.  
4. Secure the ball handles with the hex nuts  
removed in Step 1.  
Note: Tighten the hex nuts just until they are  
snug. Overtightening could increase the  
wear of the moving parts.  
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For Machines Mfg. Since 8/09  
Model SB1027  
P R E P A R AT I O N  
Way Covers  
Splash Pan & Coolant Return  
1. Remove the five button-head cap screws  
shown in Figure 10 from the front of the  
saddle and knee, position the pleated way  
cover in place, then secure it with the  
removed cap screws.  
Hoses  
1. Remove the three cap screws shown in  
Figure 12 from the base rim, slide the  
splash pan into position, then secure it with  
the removed cap screws.  
Coolant  
Return Hoses  
Cap  
Screw  
Cap Screws  
Cap  
Screw  
Cap  
Screw  
Splash Pan  
Figure 10. Front way cover installed.  
Figure 12. Splash pan and coolant return hoses  
installed.  
2. Remove the four button-head cap screws  
shown in Figure 11 from the column and  
the rear of the table, position the rear  
way cover in place, then secure it with the  
removed cap screws.  
2. Use Teflon tape or pipe sealant on the  
threads of the pipe elbows, then install them  
into the coolant drain holes located on both  
ends of the table, as shown in Figure 13.  
Pipe  
Elbows  
Cap  
Screws  
Coolant  
Return Screen  
Figure 11. Rear way cover installed.  
Figure 13. Coolant return hose connections.  
3. Loosen the hose clamps on the end of the  
coolant return hoses, push the hoses onto the  
pipe elbows, then re-tighten the clamps.  
4. Tug the hoses to make sure they are firmly  
attached to the pipe elbow. If they are loose,  
repeat Step 3.  
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Model SB1027  
For Machines Mfg. Since 8/09  
P R E P A R AT I O N  
5. Loosen the hose clamp screws above the  
coolant return screens in the base (see  
Figure 13 on the previous page), insert the  
hoses so that they will drain into the screens,  
then re-tighten the clamp screws to secure  
them in place.  
Power Connection  
Electrocution or fire  
may occur if machine is  
ungrounded, incorrectly  
connected to power, or  
connected to an undersized  
circuit. Use a qualified  
electrician to ensure a safe  
power connection.  
6. Install the coarse downfeed lever and the  
fine downfeed handwheel, as shown in  
Figure 14.  
Note: Make sure the pins on the back of  
these devices are fully seated in the hubs  
before use.  
Once the machine is set up and assembled as  
previously described in this manual, it is ready to  
be connected to the power source.  
Fine  
Downfeed  
Handwheel  
Note About Required Power Source: The milling  
machine is equipped with a Yaskawa phase  
inverter that changes single-phase power into  
3-phase which is used by the spindle motor.  
Note About Extension Cords: Using an  
incorrectly sized extension cord may decrease the  
life of electrical components on the machine.  
Coarse  
Downfeed  
Lever  
Required Power Source...........220V, Single-Phase  
Full Load Amp Draw ............................ 8.95 Amps  
Required Voltage Range ................................ 220V  
Frequency...................................................... 60 Hz  
Minimum Circuit Size ............................. 15 Amps  
Recommended Power Cord...14 AWG/3C/300VAC  
Recommended Plug/Receptacle.......... NEMA 6-15  
Minimum Extension Cord Size ................14 AWG  
Maximum Extension Cord Length................ 50 ft.  
Figure 14. Coarse downfeed lever and fine downfeed  
handwheel installed.  
Initial Lubrication  
The machine was lubricated at the factory, but  
we strongly recommend that you inspect all  
lubrication points yourself and provide additional  
lubrication if necessary. Refer to Lubrication on  
Page 43 for specific details.  
To connect the mill to power:  
1. Make sure the incoming power source and  
the power cord meet the requirements above.  
2. Use the correct size strain relief when you  
feed the power cord through the bottom of  
the electrical cabinet.  
3. Connect the power cord to the terminals as  
illustrated in the Electrical Box Wiring  
Diagram on Page 58.  
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For Machines Mfg. Since 8/09  
Model SB1027  
P R E P A R AT I O N  
Test Run  
Operating the coolant pump of this mill  
without the correct amount of coolant in  
the reservoir could damage it and void the  
warranty. ALWAYS make sure there is the  
correct amount of coolant in the reservoir  
before using the pump.  
Pulling the power plug  
from the receptacle while  
the mill is running could  
damage the inverter  
inside the electrical box  
or other electrical parts.  
Always use the emergency  
STOP button or the circuit  
breaker to turn the mill  
OFF before pulling the  
plug.  
2. Clean out the coolant reservoir in the base of  
the mill, then fill it with coolant (refer to the  
Coolant System section on Pages 48–49  
for specific details).  
3. Clear away all tools and objects used during  
assembly and preparation.  
After all preparation steps have been completed,  
the machine and its safety features must be  
tested to ensure correct operation.  
4. Rotate the spindle speed dial on the control  
panel counterclockwise to the lowest setting,  
the spindle direction switch to the STOP  
(middle) position, and the coolant switch to  
the OFF (left) position (see Figure 15). This  
will disable these functions for now when the  
power initially flows to the control panel in  
the next steps.  
If you discover a problem with the operation  
of the machine or its safety components, do  
not operate it further until you have resolved  
the problem. Refer to the Troubleshooting  
section on Page 54 for solutions to common  
problems that may occur with all mills. If you  
need additional help, contact our Tech Support at  
(360) 734-1540.  
Spindle  
Speed  
Display  
Emergency  
STOP  
During the test run, you will verify the proper  
operation of the following:  
Button  
Spindle  
Direction  
Switch  
Spindle  
Speed Dial  
Spindle motor  
Emergency STOP button  
Electrical cabinet safety switch  
Spindle brake  
Coolant pump  
X-axis power feed  
To test run the machine:  
1. Read and follow the safety instructions at  
the beginning of the manual, take required  
safety precautions, and make sure the  
machine is set up and adjusted properly.  
Coolant  
Switch  
ON  
Button  
Figure 15. Control panel.  
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P R E P A R AT I O N  
5. Set the spindle speed to the low range (refer  
to the Setting Spindle Speed Range  
section beginning on Page 34 for detailed  
instructions).  
10. Listen for abnormal noises and watch for  
unexpected actions from the mill. The  
machine should run smoothly and without  
excessive vibration or rubbing noises.  
6. Move the downfeed selector to the manual  
(forward) position so that the spindle does  
not feed into the table during this test (refer  
to the Downfeed Operations section on  
Page 35 for detailed instructions).  
— Strange or unusual noises or actions  
must be investigated immediately. Press  
the emergency STOP button to turn the  
machine OFF and disconnect it from  
the power source before investigating or  
correcting potential problems.  
7. Make sure the electrical cabinet door is  
latched shut, then rotate the main power  
switch to the ON position so that power  
flows to the control panel (see Figure 16).  
11. Press the emergency STOP button to turn  
the machine OFF, then wait for the spindle  
to stop on its own.  
12. WITHOUT resetting the emergency STOP  
button, press the ON button. The machine  
should not start.  
— If the machine does not start, the  
emergency STOP button safety feature is  
working correctly.  
Main Power Switch  
— If the machine does start (with the  
emergency STOP button pushed in),  
immediately disconnect power to the  
machine. The emergency STOP button  
safety feature is not working correctly.  
This safety feature must work properly  
before proceeding with regular operations.  
Call Tech Support for help.  
Figure 16. Location of the main power switch on the  
electrical box door.  
8. Push the emergency STOP button in, then  
twist it clockwise until it pops out. When  
the switch pops out, the mill is ready for  
operation.  
13. Reset the emergency STOP button, turn the  
main power switch on the electrical cabinet  
door to the OFF position, then press the ON  
button. Again, the machine should not start.  
9. Press the ON button to enable power to flow  
through the control panel to the spindle  
motor, then turn the spindle direction  
switch to the forward (right) position to start  
spindle motor.  
— If the machine does not start, the main  
power switch safety feature is working  
correctly.  
— If the machine does start (with the main  
power switch turned to the OFF position),  
immediately disconnect power to the  
machine. The main power switch safety  
feature is not working correctly. This  
safety feature must work properly before  
proceeding with regular operations. Call  
Tech Support for help.  
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3. Loosen the table locks on the front of the  
P R E P A R AT I O N  
14. Turn the spindle direction switch to the stop  
(middle) position to prevent the spindle from  
starting when you next use the ON button.  
table.  
4. Plug the power feed power cord into a 110V  
15. Make sure the emergency STOP button has  
been reset, press the ON button, then start  
spindle rotation.  
power outlet.  
Note: There are available 110V outlets on the  
right side of the electrical cabinet that can  
be used for the power feed or other 110V  
devices.  
16. Push the spindle brake lever—the spindle  
motor should turn OFF and the spindle  
should come to a stop from the pressure of  
the brake.  
5. Make sure the power feed directional lever  
is in the neutral (middle) position, turn the  
speed dial counterclockwise to the lowest  
setting, then flip the power switch to the on  
(up) position.  
17. Position the coolant nozzle over the table,  
turn the coolant switch on the control panel  
to the on (right) position to start the coolant  
pump, then open the valve at the base of the  
nozzle to begin the flow of coolant.  
6. Turn the directional lever to the left, slowly  
turn the speed dial clockwise to increase the  
speed, then confirm that the table is moving  
to the left.  
18. Check for leaks from the hose fittings and  
that the coolant is properly draining back  
into the reservoir through the screen on the  
base.  
7. Watch for the table limit stop to hit the  
limit switch and turn the power feed OFF,  
stopping the table movement.  
The mill comes with a power feed unit for X-axis  
table travel. Proper operation of the limit switch  
attached to the front middle of the table is  
critical for the safe use of this power feed unit.  
8. Turn the directional lever through the  
neutral (middle) position and all the way to  
the right. The table should begin moving to  
the right.  
If the power feed does not operate as expected  
during the following steps, disconnect it  
from power and contact our Tech Support at  
(360) 734-1540 for assistance.  
9. Confirm that the table stops moving when  
the limit stop presses against the limit  
switch plunger.  
To test the X-axis power feed unit and table  
limit switch:  
1. Make sure all tools, cables, and other items  
are well clear of table movement as you  
follow these steps.  
10. Move the directional lever to the neutral  
(middle) position and flip the power switch to  
the off (down) position.  
Congratulations! The Test Run of the mill is  
complete. Continue onto the next page to perform  
the Spindle Break-In and Inspections &  
Adjustments procedures.  
2. Refer to the Table Movement section,  
beginning on Page 27, to understand how  
the power feed, table locks, and limit switch  
function.  
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P R E P A R AT I O N  
Spindle Break-In  
Since the mill head was rotated parallel to  
the table for shipping purposes, you will need  
to tram the spindle with the table if your first  
cut requires a 90° alignment. Refer to the  
Tramming Spindle section on Page 30 for  
detailed instructions.  
Complete the spindle bearing break-in  
procedure to avoid rapid deterioration of  
spindle components when the mill is placed  
into operation.  
The high-quality bearings and gears used in the  
mill are manufactured to very close tolerances.  
However, this does not guarantee perfect  
dimensional mating of the bearing components or  
exact meshing of gear teeth. Before operational  
stress is placed on these and other moving parts  
in the mill, complete this break-in procedure to  
conform these components to one another and  
ensure trouble-free performance from the mill.  
Inspections &  
Adjustments  
The following list of adjustments were performed  
at the factory before the machine was shipped:  
Gib Adjustment .................................Page 50  
Leadscrew Backlash  
Adjustment.........................................Page 51  
To perform the spindle break-in procedure:  
1. Successfully perform all the steps in the  
Be aware that machine components can shift  
during the shipping process. Pay careful  
attention to these adjustments during operation  
of the machine. If you find that the adjustments  
are not set according to the procedures in this  
manual or your personal preferences, re-adjust  
them.  
Test Run section beginning on Page 21.  
2. Make sure the spindle is at a complete stop.  
3. Set the spindle speed to the low range (refer  
to Setting Spindle Speed beginning on  
Page 34 for detailed instructions).  
4. Start the spindle rotation at a medium speed  
and let the mill run for 20 minutes.  
5. Stop the spindle rotation and allow the  
spindle to come to a complete stop by itself.  
6. Set the spindle speed to the high range, then  
start the spindle rotation at a medium speed  
and let the mill run for another 20 minutes.  
7. Stop the spindle rotation, and turn the mill  
OFF.  
The spindle break-in of the mill is now complete!  
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O P E R AT I O N  
Operation Overview  
The purpose of this overview is to give an  
example of a typical milling operation. Read  
through the steps below to better understand  
the controls and functions described later in this  
manual, so that you will know how they are used  
to successfully operate the mill.  
Loose hair, clothing, or  
jewelry could get caught  
in machinery and cause  
serious personal injury.  
Keep these items away  
from moving parts at all  
times to reduce this risk.  
This overview is not intended to be a step-by-step  
operational guide.  
During operation, small  
metal chips may become  
airborne, leading to serious  
eye injury. Wear safety  
glasses to reduce this risk.  
To reduce the risk of  
serious injury when using  
this machine, read and  
understand this entire  
manual before beginning  
any operations.  
5. Configures the mill for the correct spindle  
speed of the operation.  
In a typical milling operation, the operator  
does the following:  
1. Examines the workpiece to make sure it is  
6. Puts on personal protective gear and makes  
sure the workpiece and table are clear of all  
tools, cords, and other items.  
suitable for milling.  
7. Starts the spindle rotation and performs the  
2. Firmly clamps the workpiece to the table.  
operation.  
3. Installs the correct cutting tool for the  
8. Turns the mill OFF.  
operation.  
4. Uses the manual downfeed and table  
controls to confirm the correct positioning  
of the cutting tool and workpiece for the  
operation. If the X-axis power feed will be  
used during the operation, the operator  
confirms the speed and length of table  
movement required.  
-25-  
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O P E R AT I O N  
Control Panel  
descriptions to understand the functions of the  
mill main power switch and the control panel.  
Spindle  
Speed  
Display  
Emergency  
STOP  
Use Figures 17–18 and the following  
Button  
Spindle  
Direction  
Switch  
Spindle  
Speed Dial  
Main Power Switch: When turned ON, enables  
power to flow to the control panel.  
Main Power Switch  
Coolant  
Switch  
ON  
Button  
Figure 18. Control panel.  
ON Button: When pressed, illuminates and  
enables power to flow to the mill's electrical  
components.  
Figure 17. Location of the main power switch on the  
electrical box door.  
Spindle Speed Display: Shows the current  
spindle speed in revolutions per minute (RPM).  
Coolant Switch: Turns coolant pump ON and  
OFF.  
Emergency STOP Button: When pressed,  
disables the flow of power to the mill's electrical  
components. Before resuming operation, this  
button must be reset by twisting it clockwise  
until it pops out.  
Spindle Direction Switch: Starts, stops, and  
reverses spindle rotation.  
Spindle Speed Dial: Controls the spindle speed.  
-26-  
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O P E R AT I O N  
Table Locks  
Table Movement  
illustrated in Figure 19:  
Refer to Figure 20 for the locations of the locks  
The mill table moves in three directions, as  
used to secure the table in place.  
X-axis (longitudinal)  
Y-axis (cross)  
Z-axis (vertical)  
X-Axis Locks  
Y-Axis  
Lock  
These movements are controlled by table ball  
handles and the Z-axis crank. Additionally, the  
table can be moved along the X-axis with the  
power feed.  
Z-Axis  
Locks  
X-Axis or Longitudinal Travel  
(Left & Right)  
Y-Axis or  
Cross Travel  
(In & Out)  
Figure 20. Locations of table locks.  
Graduated Index Rings  
The table ball handles and elevation crank have  
graduated index rings attached (see Figure 21)  
that are used to accurately determine table  
movement in the increments listed in the table  
below:  
Z-Axis or Vertical Elevation  
(Up & Down)  
Figure 19. The directions of table movement.  
Axis  
Individual  
Increment  
One Full  
Revolution  
X
Y
Z
0.001"  
0.001"  
0.001"  
0.200"  
0.200"  
0.100"  
Always keep the table locked in place unless  
table movement is required for your operation.  
Unexpected movement of the table during  
operations could cause damage to the cutter  
or workpiece.  
Index Rings  
Figure 21. Graduated table index rings.  
-27-  
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O P E R AT I O N  
H. X-Axis Ball Handle: Manually moves the  
X-Axis Power Feed  
table.  
The mill is equipped with a power feed unit for  
X-axis table movement. Refer to the illustration  
in Figure 22 and the descriptions below  
to understand the functions of the various  
components of the power feed system.  
I. Graduated Index Ring: Display the distance  
of table travel in 0.001" increments, with one  
full revolution equal to 0.200" of table travel.  
To confirm the power feed settings that you will  
be using during operation, we recommend that  
you use the power feed to move the table through  
the intended cutting path before starting the  
spindle rotation and taking the cut.  
I
A
Tool Needed  
Hex Wrench 12mm .............................................. 1  
Qty  
C
B
D
E
To operate the X-axis power feed:  
1. Loosen the X-axis table locks (refer to  
Figure 20 on Page 27 for locations).  
F
H
G
2. Position the limit stops along the front table  
slot to limit the distance of table travel that  
is correct for your operation.  
Figure 22. Power feed system components.  
A. Limit Switch: Stops table movement when  
either of the switch side plungers are pressed  
by the limit stops.  
Note: Make sure the cap screws firmly lock the  
limit stops in place when positioned.  
B. Limit Stop: Restricts table movement when  
3. Turn the speed dial all the way  
counterclockwise to the slowest setting, move  
the directional lever to neutral (middle)  
position, then flip the power switch up to  
turn the unit ON.  
positioned along the front of the table.  
C. Rapid Traverse Button: Moves the table at  
full speed when it is in motion.  
D. Directional Lever: Selects the direction of  
table movement. The middle position is  
neutral.  
4. With your hand poised over the power switch  
in case you need to suddenly turn the unit  
OFF, move the directional lever in the  
desired direction of table travel.  
E. Speed Dial: Controls the speed of the power  
feed. Turning the dial clockwise causes the  
table to move faster.  
5. Use the speed dial to slowly bring the speed  
of movement up to the desired rate.  
F. Circuit Breaker Reset Button: Resets  
the internal circuit breaker if the unit is  
overloaded and shuts down.  
6. When you are finished using the power  
feed, turn the unit OFF, then rotate the  
speed dial all the way clockwise and move  
the directional lever to the neutral (middle)  
position to avoid unexpected table movement  
when you next flip the power switch up.  
G. Power Switch: Turns the power feed ON and  
OFF.  
-28-  
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Model SB1027  
O P E R AT I O N  
Head Movement  
Always lock the head firmly in place after  
The mill head tilts 45° back and forth,  
and rotates 90° left and right, as shown in  
Figures 23–24.  
tilting or rotating it. Unexpected movement  
of the head during operations could cause  
damage to the cutter or workpiece.  
45°  
Tool Needed  
Qty  
Wrench 19mm .......................................................1  
Tilting Head  
1. DISCONNECT MILL FROM POWER!  
2. Loosen the three tilt lock bolts on the right  
side of the ram adapter shown in Figure 25.  
!
Figure 23. Head tilts 45° back-and-forth.  
90°  
Tilt Bolt  
Lock Bolts  
Figure 25. Head tilting controls.  
3. Use one hand to apply pressure to the head  
in the direction of the tilt, then slowly rotate  
the tilt bolt. Rotating this bolt clockwise will  
tilt the head back.  
Figure 24. Head tilts 90° left-and-right.  
4. When the head is in the correct position  
for your operation, re-tighten all three lock  
bolts.  
-29-  
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O P E R AT I O N  
Rotating Head  
Tramming Spindle  
1. DISCONNECT MILL FROM POWER!  
After positioning the head at an angle and when  
your operation requires that the spindle axis be  
precisely perpendicular to the table, you must  
tram or align the spindle with the table to ensure  
the spindle is exactly 90° to the table.  
2. Loosen the four rotation lock bolts on the  
face of the head shown in Figure 26.  
!
This procedure involves mounting a dial test  
indicator to the quill or spindle, rotating it  
around the table, and adjusting the spindle  
axis (Z-axis) 90° to the table X- and Y-axes, as  
illustrated in Figure 27.  
Rotation Bolt  
Lock Bolts  
Spindle  
Z-Axis  
Figure 26. Head rotating controls.  
90º  
Y-Axis  
90º  
3. Use one hand to apply pressure to the head  
in the direction of rotation, then slowly turn  
the rotation bolt.  
X-Axis  
Table  
4. Re-tighten the lock bolts when you have the  
Figure 27. Spindle axis perpendicular to the table X-  
and Y-axes.  
head in the desired position.  
We encourage you to research the many  
variations of spindle tramming to find the one  
that works best for you. If you do not already  
have a preference for performing this operation,  
use the following widely-used procedure for  
accurately tramming the spindle to the table.  
Keep in mind that all workpiece top surfaces are  
not exactly parallel with the table top. You may  
choose to tram the spindle to the top surface of  
the workpiece after it is mounted instead of that  
of the table.  
-30-  
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O P E R AT I O N  
Tools Needed  
Dial Test Indicator  
Qty 4. Install the indicator holder into the spindle  
or onto the quill, then mount the indicator  
(with at least 0.0005" resolution)..................1  
Indicator Holder  
(mounted on the quill/spindle) ......................1  
Precision Parallel Block  
onto it so that the point is as parallel to  
the block as possible (see the illustration in  
Figure 28 for an example).  
(at least 9" in length) .....................................1  
Indicator Holder  
Spindle  
Note: A precision-ground plate can be  
substituted for the parallel blocks. Keep in mind  
that the farther the indicator point can be placed  
from the spindle axis, the more accurate the  
alignment measurements will be.  
Dial Test Indicator  
To tram the spindle to the table:  
1. DISCONNECT MILL FROM POWER!  
Parallel Block  
2. Prepare the mill by performing the following  
Table  
tasks:  
Figure 28. Dial test indicator mounted.  
• Stone the table to remove all nicks and  
burrs, then clean off all debris. Verify the  
table is clean by running your hand over  
the top of it.  
5. To measure spindle alignment along the  
X-axis, place the parallel block directly under  
the spindle and indicator across the length of  
the table, as illustrated in Figure 29.  
• Position the table for the milling  
operation you intend to perform after the  
tramming—preferably centered to the  
saddle.  
Note: If you must re-position the quill or the  
knee to accommodate the above step, then  
review the tasks in Step 2 to make sure the  
mill is properly prepared for the tramming  
operation.  
• Tighten any table, knee, quill, or ram  
locks that should be tight during the  
intended milling operation.  
Table (Top View)  
Parallel Block  
3. Place the parallel block underneath the  
spindle.  
Indicator  
Spindle  
Figure 29. Parallel block positioned for the X-axis  
measurement (top view).  
-31-  
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O P E R AT I O N  
Note: Generally, the goal in the next steps is to  
get the difference of the indicator readings  
between the end of the parallel bar down to  
0.0005". However, the acceptable variance  
will depend on the requirements for your  
operation.  
9. Place the parallel block directly under the  
spindle and across the width of the table, as  
illustrated in Figure 30.  
Table (Top View)  
Indicator  
6. Rotate the spindle by hand so that the  
indicator point rests on one end of the  
parallel block, as illustrated in Figure 29,  
then zero the dial.  
Spindle  
7. Rotate the spindle so that the indicator point  
rests in the same manner on the other end of  
the block, then read the dial.  
Parallel Block  
— If the indicator dial still reads zero or is  
within the acceptable variance, continue  
on with Step 8.  
Figure 30. Parallel block positioned for the Y-axis  
measurement (top view).  
— If the indicator dial has moved from zero  
beyond the acceptable variance, you will  
need to compensate for that amount by  
rotating the head left or right. Repeat  
Steps 5–6 until you are satisfied with the  
spindle axis alignment along the table  
X-axis.  
10. Rotate the spindle so that the indicator point  
rests on the parallel bar, as illustrated in  
Figure 30, then zero the dial.  
11. Rotate the spindle so that the indicator point  
rests on the other end of the bar in the same  
manner, then read the dial.  
Note: Keep one of the rotation lock bolts  
snug so that the head does not move  
loosely while you adjust it small amounts.  
— If the indicator dial still reads zero or  
is within the acceptable variance, the  
spindle is precisely perpendicular to the  
table in both the X- and Y-axes and the  
tramming procedure is complete.  
8. Re-tighten the rotation lock bolts.  
Note: It is a good idea to repeat Steps 5-6 again  
in case the head moved slightly during the  
process of re-tightening the lock bolts.  
— If the indicator dial has moved from zero  
beyond the acceptable variance, you will  
need to compensate for that amount by  
tilting the head forward or back. Repeat  
Steps 9–10 until you are satisfied with  
the spindle axis alignment along the table  
Y-axis.  
Note: Keep one of the tilt lock bolts snug so  
that the head does not move loosely while  
you adjust it small amounts.  
12. Re-tighten the tilt lock bolts.  
Note: It is a good idea to repeat Steps 9-10 again  
in case the head moved slightly during the  
process of re-tightening the lock bolts.  
-32-  
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O P E R AT I O N  
Ram Movement  
Always lock the head firmly in place after  
The ram travels back and forth 13" and rotates  
360° in either direction around the turret.  
tilting or rotating it. Unexpected movement  
of the head during operations could cause  
damage to the cutter or workpiece.  
Tool Needed  
Qty  
Wrench 19mm .......................................................1  
Rotating Ram  
1. DISCONNECT MILL FROM POWER!  
Moving Ram Back and Forth  
1. DISCONNECT MILL FROM POWER!  
2. Loosen the four lock bolts on top of the turret  
2. Loosen the two lock levers shown in  
(see Figure 32).  
Figure 31 on the right side of the ram.  
Note: There are two lock bolts on either side of  
!
the ram.  
!
Lock Bolts  
Lock Levers  
(2 of 4)  
Rotation  
Scale  
Adjustment  
Bolt  
Figure 31. Ram back-and-forth movement controls.  
3. Make sure there are no obstructions to  
ram travel, especially with the spindle tool  
around the workpiece, then slowly rotate the  
adjustment bolt to move the ram. Rotating  
the bolt clockwise will move the ram  
backward.  
Figure 32. Ram rotating controls.  
Note: In the next step, take care not to entangle  
or stretch the electrical cabling as you move  
the ram around the turret.  
3. Push on the head to manually rotate it. Use  
the rotation scale to determine the correct  
position for your operation, then re-tighten  
the four lock bolts to secure the ram in place.  
4. Re-tighten the lock levers after you have re-  
positioned the ram.  
-33-  
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O P E R AT I O N  
Setting Spindle Speed  
Using the correct spindle speed is important  
for safe and satisfactory results, as well as  
maximizing tool life.  
To avoid damage to the spindle, gears, or  
cutting tools:  
Spindle rotation must be turned OFF and  
the spindle must be at a complete stop  
BEFORE you change the spindle speed  
range.  
To set the spindle speed for your operation, you  
will need to: (1) Determine the best spindle speed  
for the cutting task, and (2) configure the mill  
controls to produce the required spindle speed.  
The mill is designed to ONLY operate with  
the spindle speed range selector in either  
the high or low position. To avoid damaging  
the moving parts inside the headstock,  
never start spindle rotation without the  
range selector detent pin firmly seated in  
either the high or low position.  
Determining Spindle Speed  
Many variables affect the optimum spindle speed  
to use for any given operation, but the two most  
important are the recommended cutting speed  
for the workpiece material and the diameter of  
the cutting tool, as noted in Figure 33:  
When changing the spindle speed range  
and the direction of spindle rotation  
reverses, you will need to either change  
the cutting tool for the direction of spindle  
rotation or use the spindle direction switch  
to compensate for the change.  
*Recommended  
Cutting Speed (FPM) x 12  
= SpindleSpeed (RPM)  
Tool Dia. (in inches) x 3.14  
*Double if using carbide cutting tool  
Figure 33. Spindle speed formula for milling.  
Setting Spindle Speed Range  
Setting the spindle speed range involves using a  
lever to engage/disengage the spindle spline with  
the bull gear.  
Cutting speed, typically defined in feet per  
minute (FPM), is the speed at which the edge of a  
tool moves across the material surface.  
A recommended cutting speed is an ideal speed  
for cutting a type of material in order to produce  
the desired finish and optimize tool life.  
To set the spindle speed range:  
1. DISCONNECT MILL FROM POWER!  
The books Machinery’s Handbook or Machine  
Shop Practice, and some internet sites, provide  
excellent recommendations for which cutting  
speeds to use when calculating the spindle speed.  
These sources also provide a wealth of additional  
information about the variables that affect  
cutting speed and they are a good educational  
resource.  
2. Use the chart below to find the spindle speed  
range that includes the required spindle  
speed for your operation.  
Spindle Speed Ranges  
Low Range  
High Range  
60–575 RPM  
575–5000 RPM  
Also, there are a large number of easy-to-use  
spindle speed calculators that can be found on  
the internet. These sources will help you take  
into account all applicable variables to determine  
the best spindle speed for the operation.  
When the spindle speed range is changed,  
the direction of spindle rotation will reverse.  
ALWAYS know which way the spindle  
is rotating before beginning the cutting  
operation.  
-34-  
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O P E R AT I O N  
3. Press the spindle speed range lever shown  
in Figure 34 toward the head to release  
the detent pin from the detent plate, move  
selector so that the pin is over the other  
detent, then release the selector.  
Downfeed Controls  
Spindle downfeed movement on the mill  
is controlled by three mechanisms: 1) The  
coarse downfeed handle, 2) the fine downfeed  
handwheel, and 3) the auto-downfeed system.  
— When the lever is pointing to the rear and  
the front detent is engaged, the low speed  
range is selected. Conversely, when the  
lever is pointing toward the front and the  
rear detent is engaged, the high speed  
range is selected.  
Using the Coarse Downfeed  
Handle  
1. DISCONNECT MILL FROM POWER!  
2. To set the downfeed for manual control,  
pull the downfeed selector knob out, then  
rotate it clockwise until the selector pin  
under the knob seats in the forward manual  
(disengaged) position, as shown in Figure  
36 and illustrated in Figure 37 on the next  
page.  
Note: It may be necessary to turn the spindle by  
hand as you move the range lever to enable  
the gears to mesh.  
High  
Low  
Note: It may be necessary to turn the spindle by  
hand as you move the selector to enable the  
gears to mesh.  
Detent  
Plate  
Spindle  
Speed  
Range  
Lever  
Figure 34. Spindle speed range selector.  
Setting Spindle Speed  
Use the spindle speed dial and display (see  
Figure 35) to set the required spindle speed  
within the speed range selected.  
Downfeed  
Selector  
The top values of the spindle speed display are  
for the high spindle speed range, and the bottom  
values are for the low range.  
Figure 36. Downfeed selector in the manual  
(disengaged) position.  
3. Make sure the selector pin is firmly seated  
in the detent by attempting to move the  
selector without pulling the knob out.  
Speed  
Display  
Spindle  
Speed  
Dial  
Figure 35. Spindle speed dial and display.  
-35-  
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O P E R AT I O N  
4. Make sure the pin of the coarse downfeed  
handle hub is engaged with one of the  
detents on the downfeed sleeve (see  
Figure 38).  
Manual (Disengaged) Position  
Handle  
Hub  
Auto-Downfeed (Engaged) Position  
Detents  
& Pin  
Figure 38. Coarse downfeed handle hub, detents, and  
pin.  
5. Make sure the quill lock lever is loose so that  
the quill can easily move.  
6. Rotate the coarse downfeed handle around  
Figure 37. Downfeed selector positions.  
the hub to control the depth of the spindle.  
-36-  
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G. Downfeed Stop & Locking Wheel: Sets  
O P E R AT I O N  
Fine Downfeed Controls  
the depth of spindle downfeed. The stop  
is threaded into position, then the locking  
wheel is used to secure it in place.  
There are a number of devices on the head that  
are used with the fine downfeed handwheel or  
the auto-downfeed system. Refer to Figure 39  
and the descriptions below to become familiar  
with these controls.  
H. Quill Dog: Moves with the quill and spindle  
and disengages the downfeed clutch lever  
when it meets either the top or downfeed  
stop.  
I
I. Downfeed Selector: Sets the mill for manual  
A
downfeed or auto-downfeed control.  
Using the Fine Downfeed  
Handwheel  
B
H
G
C
1. Make sure that the spindle rotation is turned  
OFF and the spindle is at a complete stop.  
D
F
2. To set the downfeed for manual control, pull  
the downfeed selector knob out, then rotate  
the selector clockwise until the selector pin  
seats in the forward manual (disengaged)  
position.  
E
Figure 39. Fine downfeed controls.  
A. Auto-Downfeed Rate Selector: Selects one of  
the three auto-downfeed rates.  
3. Set the auto-downfeed direction pin in the  
neutral (middle) position to disengage the  
fine downfeed handwheel from the auto-  
downfeed gears.  
B. Fine Downfeed Handwheel: Manually  
controls fine spindle downfeed.  
4. Position the downfeed stop for the spindle  
depth that is correct for your operation, then  
secure it in place with the locking wheel.  
When the spindle rotation is reversed,  
either by changing the spindle speed range  
or by using the spindle direction switch,  
the direction of spindle auto-downfeed will  
reverse.  
5. Use the coarse downfeed lever to slightly  
lower the spindle until you can pull the  
clutch lever out to the left and it locks in  
place. This will engage the fine handwheel  
with the quill and spindle.  
C. Auto-Downfeed Direction Pin: Starts, stops,  
and reverses the auto-downfeed direction.  
6. To lower the spindle, rotate the fine  
downfeed handwheel. When the quill dog  
meets the downfeed stop, the clutch lever  
will disengage and the spindle will return to  
the top.  
D. Fine Downfeed Clutch Lever: Engages the  
fine/auto-downfeed gears.  
E. Downfeed Scale: Used with the quill dog,  
shows the depth of spindle downfeed in  
inches.  
F. Quill Lock Lever: Secures the quill in place  
for increased stability during operations.  
-37-  
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O P E R AT I O N  
4. Position the auto-downfeed direction pin for  
the spindle travel that is correct for your  
operation. It may be necessary to rock the  
fine downfeed handwheel back-and-forth to  
move the pin all the way in or out.  
Using the Auto-Downfeed System  
When using the auto-downfeed system, the  
spindle will move in the direction you choose  
with the auto-downfeed direction pin. When the  
quill dog reaches the top or meets the downfeed  
stop, the downfeed clutch lever releases. Then, if  
the spindle was traveling upward, the movement  
simply stops. If the spindle was traveling  
downward, then the spindle moves back to the  
top at a rate controlled by the return spring on  
the left side of the head.  
Note: The direction pin has three positions: 1)  
In for one downfeed direction, 2) middle for  
neutral or no movement, and 3) out for the  
reverse direction. The direction of spindle  
travel for the in and out positions is relative  
to the direction of spindle rotation. Keep in  
mind that spindle rotation and downfeed  
direction will reverse when the spindle speed  
range is changed.  
To use the auto-downfeed system:  
1. Make sure that the spindle rotation is turned  
OFF and the spindle is at a complete stop.  
5. Make sure the clutch lever is all the way to  
the right in the disengaged position so that  
the spindle will not travel when rotation is  
started.  
2. To set the mill for auto-downfeed, pull the  
downfeed selector knob out, then rotate the  
selector clockwise and seat the pin in the  
rear auto-downfeed (engaged) position, as  
illustrated in Figure 40.  
Note: We recommend that you complete the  
remaining steps without a cutting tool  
installed, without a workpiece in place, and  
the table lower than the maximum spindle  
downfeed travel. This will enable you to test  
and confirm the settings before beginning  
the actual cutting operation.  
Auto-Downfeed (Engaged) Position  
To avoid damage to the system gearing, never  
use the auto-downfeed system with spindle  
speeds over 3000 RPM.  
6. Set the mill for the correct spindle speed,  
Figure 40. Downfeed selector in the auto-downfeed  
(engaged) position.  
then begin spindle rotation.  
3. Position the downfeed stop for the spindle  
depth that is correct for your operation, then  
secure it in place with the locking wheel.  
-38-  
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O P E R AT I O N  
Spindle Brake  
To avoid the risk of gear damage, always  
start spindle rotation before using the auto-  
downfeed rate selector.  
When pressed backward, the spindle brake lever  
(see Figure 42) activates a switch that turns the  
spindle motor OFF and engages drum-type brake  
pads to stop spindle rotation.  
7. Select one of the three downfeed rates by  
pulling the auto-downfeed rate selector  
knob out, position the selector over the  
appropriate detent, then release the knob.  
Make sure the pin is firmly seated by  
attempting to move the selector without  
pulling the knob out.  
Spindle  
Brake Lever  
Note: Refer to the illustration in Figure 41 when  
selecting the downfeed rate.  
H
Figure 42. Location of the spindle brake lever.  
L
M
H = 0.006 in./rev.  
L = 0.0015 in./rev.  
M = 0.003 in./rev.  
(Rates given in inches of travel  
per revolution of the spindle)  
Figure 41. Positions of the auto-downfeed rate  
selector.  
8. Use the coarse downfeed lever to lower the  
spindle slightly until you can pull the clutch  
lever out to the left and it locks in place,  
which will start the auto-downfeed spindle  
travel.  
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O P E R AT I O N  
5. With one hand holding the tool in place,  
insert the drawbar into the spindle from the  
top of the head, then thread it into the tool  
(see Figure 44).  
Loading/Unloading  
Tooling  
The mill is equipped with an R8 spindle taper  
and a 12"-20 x 1812" spindle drawbar, as shown in  
Figure 43.  
Drawbar  
Figure 44. Drawbar loaded into the spindle.  
6. Tighten the drawbar until it is snug. Avoid  
overtightening, as it could make removing  
the tool difficult.  
Figure 43. Spindle drawbar and spacer.  
Tool Needed  
Wrench 21mm .......................................................1  
Qty  
Unloading Tooling  
Tools Needed  
Qty  
Wrench 21mm .......................................................1  
Brass Hammer ......................................................1  
Loading Tooling  
1. DISCONNECT MILL FROM POWER!  
1. DISCONNECT MILL FROM POWER!  
2. Clean any debris or surface substances from  
inside the spindle taper and the mating  
surface of the tooling.  
2. Place the mill in the low spindle speed range  
to keep the spindle from turning in the next  
step.  
Note: Debris or oil substances can prevent the  
tooling and spindle from properly mating.  
This condition can cause excessive vibration,  
poor cutting results, or tool/workpiece  
damage.  
Note: Make sure that the drawbar has at least  
three threads engaged with the tooling in the  
next step to avoid damaging the threads of  
the drawbar or tool.  
3. Place the mill in the low spindle speed range  
to keep the spindle from turning in the next  
steps.  
3. Loosen the drawbar a couple of turns, then  
tap the top of it with brass hammer to knock  
the tool loose at the bottom of the spindle.  
4. Align the keyway of the tool with the  
protruding pin inside the spindle taper, then  
firmly push the tool into the spindle to seat  
it.  
4. Support the tool with one hand, then  
completely unthread the drawbar.  
-40-  
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M A I N T E N A N C E  
Maintenance Schedule Machine Storage  
Before Beginning Operations  
Make sure the electric box door is closed and  
properly latched.  
Turn the spindle direction switch to the  
STOP (middle) position and the speed dial  
all the way counterclockwise to prevent high-  
speed spindle startup when connected to  
power (see Page 26).  
!
Always disconnect  
machine from power before  
performing maintenance or  
serious personal injury may  
result.  
Move the downfeed selector to the manual  
(forward) position to prevent the spindle  
from unexpectedly downfeeding when  
rotation is started (see Page 35).  
Make sure the X-axis power feed is turned  
OFF to prevent unintentional table  
movement when connected to power (see  
Page 28).  
Check the coolant reservoir in the base. Fill  
or clean out if necessary (see Page 48).  
Perform the lubrication tasks as directed in  
the Lubrication section on Page 43.  
Check table movement in all three axes for  
loose/tight gibs. Adjust the gibs if necessary  
(see Page 50).  
Each operator of this machine is responsible  
for ensuring proper care of the equipment. We  
strongly recommend that all operators make  
a habit of following the daily maintenance  
procedures.  
For optimum performance from this machine,  
this maintenance schedule must be strictly  
followed. Use the Monthly Maintenance Chart  
on Page 42 to ensure this is done.  
Ongoing  
To maintain a low risk of injury and proper  
machine operation, if you ever observe any of the  
items below shut the machine down immediately,  
disconnect it from power, and fix the problem  
before continuing operations.  
Daily, After Operations  
Push the emergency STOP button, turn the  
main power switch to the OFF position, and  
disconnect the machine from power.  
Vacuum/clean all chips and swarf from table,  
slides, and base.  
Wipe down all unpainted or machined  
surfaces with a good quality rust  
preventative.  
Loose mounting bolts or fasteners.  
Worn, frayed, cracked, or damaged wires.  
Emergency STOP button not working  
correctly.  
Missing belt guards.  
Reduction in braking speed or efficiency.  
Coolant not flowing correctly.  
Any other unsafe condition.  
-41-  
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M A I N T E N A N C E  
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Model SB1027  
M A I N T E N A N C E  
Cleaning  
Lubrication  
Regular cleaning is one of the most important  
steps in taking good care of this machine. Each  
operator is responsible for cleaning the machine  
immediately after using it or at the end of the  
day. We recommend that the cleaning routine  
be planned into the workflow schedule, so that  
adequate time is set aside to do the job right.  
The mill has numerous moving metal-to-  
metal contacts that require regular and proper  
lubrication to ensure efficient and long-lasting  
operation, and to protect your investment.  
Other than the lubrication points covered in  
this section, all other bearings are internally  
lubricated and sealed at the factory. Simply leave  
Typically, the easiest way to clean swarf from the them alone unless they need to be replaced.  
ways and table is to use a wet/dry shop vacuum  
that is dedicated for this purpose only. The small  
chips leftover after vacuuming can be wiped up  
with a slightly oiled rag. Avoid using compressed  
air to blow off chips, as it may drive them deeper  
Before performing any lubrication task,  
DISCONNECT THE MILL FROM POWER!  
Important: Before adding lubricant, clean the  
into moving surfaces and could cause sharp chips debris and grime from the oil cup or grease  
to fly into your face or hands.  
fitting and the immediate area to prevent  
contamination of the oil cups, grease fittings, or  
All visible swarf should be removed from the mill new lubricant.  
during cleaning. Remember, personal neatness  
gives you personality!  
Use the schedule and information in Figure 45  
as a daily guide for lubrication tasks.  
Unpainted & Machined Surfaces  
Besides the ways and elevation leadscrew, all  
other unpainted and machined surfaces should  
be wiped down daily to keep them rust-free  
and in top condition. This includes surface you  
can find that could be vulnerable to rust if left  
unprotected (this especially includes any parts  
that may be exposed to water soluble cutting  
fluids). Typically with these parts, a thin film of  
oil is all that is necessary for protection.  
The following recommended lubrication  
schedule is based on light to medium mill  
usage. Keeping in mind that lubrication helps  
to protect the value and operation of the mill,  
you may need to perform the lubrication tasks  
more frequently depending on your usage.  
Frequency  
Page  
Lubrication Task  
(Hours of  
Ref.  
Operation)  
Quill  
3–4 hrs.  
44  
Table Ways (One-Shot  
Oiler)  
4–8 hrs.  
44  
Speed Range Bearing  
Sleeve  
40 hrs.  
45  
Headstock Gearing  
Ram Ways  
40 hrs.  
40 hrs.  
45  
45  
Table Elevation  
Leadscrew (Z-Axis)  
40 hrs.  
46  
46  
Power Feed Gears  
160 hrs.  
Figure 45. Recommended lubrication tasks,  
schedules, and instruction page references.  
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M A I N T E N A N C E  
Table Ways (One-Shot Oiler)  
Oil Type ......Mobil Vactra 2 or ISO 68 Equivalent  
Oil Amount................... One Pull of Pump Handle  
Check/Add Frequency..........4–8 hrs. of Operation  
Failure to follow reasonable lubrication  
practices as instructed in this manual for the  
mill could lead to premature failure of the mill  
and will void the warranty.  
The one-shot oiler is connected to a series of  
aluminum tubes that carry the lubricant to wear  
points along the table horizontal and vertical  
ways. After using the oiler pump handle shown  
in Figure 47, move the table through all paths of  
movement to evenly distribute the lubricant.  
Quill  
Oil Type ......Mobil Vactra 2 or ISO 68 Equivalent  
Oil Amount.......................................... Fill Oil Cup  
Check/Add Frequency..............4 hrs. of Operation  
Use the sight glass on the side of the oiler to  
know when to re-fill the reservoir.  
Lift the oil cup cap shown in Figure 46 to fill the  
oil cup with lubricant.  
Reservoir Cap  
Pump  
Handle  
Sight  
Glass  
Quill Oil Cup  
Figure 47. One-shot oiler controls.  
Figure 46. Quill oil cup location.  
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Model SB1027  
M A I N T E N A N C E  
Speed Range Bearing Sleeve  
Ram Ways  
Oil Type ......Mobil Vactra 2 or ISO 68 Equivalent Oil Type ......Mobil Vactra 2 or ISO 68 Equivalent  
Oil Amount.......................................... Fill Oil Cup Oil Amount............................................. Thin Coat  
Check/Add Frequency............40 hrs. of Operation Check/Add Frequency............40 hrs. of Operation  
Lift the oil cup cap shown in Figure 48 to fill the Move the ram back and forth as necessary  
oil cup with lubricant.  
to access the full length of the ways (see  
Figure 50), then use a clean shop rag to apply a  
thin coat of lubricant.  
Bearing Sleeve  
Oil Cup  
Ram Ways  
Figure 48. Speed range bearing sleeve.  
Figure 50. Exposing the ram ways for lubrication.  
Headstock Gearing  
Grease Type.........................NLGI 2 or Equivalent  
Grease Amount ...........Two Pumps of Grease Gun  
Head & Ram Rack & Pinion Gear  
Check/Add Frequency............40 hrs. of Operation The interaction between the cast iron surfaces  
of these devices (see Figure 51) produces a dry  
powder that provides an adequate lubrication.  
Add two pumps from a grease gun to the grease  
fitting for the mill that is shown in Figure 49.  
Do not apply any other lubricant which could  
produce a stiff compound that may interfere with  
smooth movement.  
Head Rack  
& Pinion Gear  
Headstock Gearing  
Grease Fitting  
Ram Pinion  
Gear  
Figure 49. Headstock gearing grease fitting.  
Ram Rack  
Figure 51. Locations of head and ram rack and pinion  
gears.  
-45-  
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M A I N T E N A N C E  
Table Elevation Leadscrew  
Power Feed Gears  
Grease Type.........................NLGI 2 or Equivalent Grease Type.......Medium-Weight Lithium Grease  
Grease Amount ...................................... Thin Coat Grease Amount ...........Two Pumps of Grease Gun  
Check/Add Frequency............40 hrs. of Operation Check/Add Frequency............40 hrs. of Operation  
Elevate the table all the way up, then use  
mineral spirits to clean any debris and built-up  
grime from the elevation leadscrew threads. Add  
one pump from a grease gun to the leadscrew  
grease fitting shown in Figure 52, then run  
the knee up and down to distribute the grease.  
Repeat this process until the entire leadscrew is  
covered with a thin coat of lubricant.  
Tool Needed  
Qty  
Wrench 19mm .......................................................1  
To lubricate the power feed gears:  
1. DISCONNECT MACHINE FROM POWER!  
2. Remove the hex nut and ball handle from the  
power unit end of the longitudinal leadscrew  
(see Figure 53).  
Leadscrew  
Graduated Dial Ring  
Leadscrew  
Grease  
Fitting  
Retaining Ring  
Figure 52. Table elevation leadscrew and grease  
fitting.  
Figure 53. Power feed ball handle removed.  
3. Unthread and remove the knurled retaining  
ring and graduated dial ring from the end of  
the leadscrew.  
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M A I N T E N A N C E  
4. Remove the brass bevel gear from the  
leadscrew, then remove the leadscrew  
alignment key (see Figure 54).  
6. Replace the leadscrew alignment key, then  
align the bevel gear keyway with the key as  
you slide the gear onto the leadscrew and  
mesh its teeth with the drive gear.  
7. Replace the graduated dial ring into position  
and secure it with the knurled retaining  
ring—do not overtighten.  
Alignment Key  
8. Slide the ball handle onto the leadscrew,  
align the keyway with the leadscrew  
alignment key, then secure it with the hex  
nut removed in Step 2.  
9. Move the table with the power feed ball  
handle to check the gear movement and to  
distribute the grease on the gears. If the  
movement is not smooth, repeat Steps 2–8  
until it is.  
Brass Bevel Gear  
Figure 54. Power feed brass gear and leadscrew  
alignment key.  
5. Brush a light coat of lubricant on the teeth  
of the bevel gear and the smaller drive gear  
(see Figure 55).  
Drive Gear  
Bevel Gear  
Figure 55. Power feed brass gear and drive gear.  
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M A I N T E N A N C E  
To check the coolant level:  
1. DISCONNECT MILL FROM POWER!  
Coolant Reservoir  
2. Clean away debris and grime from the  
coolant drain screens on the base of the mill  
(see Figure 56), then insert a clean and dry  
piece of wire through one of the screens to  
check the level of the coolant.  
BIOLOGICAL & POISON  
HAZARD!  
Use the correct personal  
protection equipment  
when handling cutting  
fluid. Follow federal, state,  
and fluid manufacturer  
requirements for proper  
disposal.  
A small amount of coolant is lost during normal  
operation. Check the coolant reservoir regularly  
and fill it if necessary. We recommend changing  
the coolant every three months or sooner if it  
develops an unpleasant odor.  
Drain  
Screens  
The coolant reservoir holds approximately five  
gallons (19 liters) of fluid.  
Figure 56. Locations of the coolant drain screens.  
Checking Coolant Level  
Tools Needed  
Qty  
Hex Wrench 3mm .................................................1  
Piece of Wire..........................................................1  
Running the coolant pump without adequate  
coolant in the reservoir may permanently  
damage the coolant pump. This action is  
considered abusive and is not covered by the  
warranty.  
3. If the level of coolant in the reservoir is less  
than 2", add more fluid through the screen to  
fill the tank.  
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M A I N T E N A N C E  
5. Remove the two pump mounting cap screws  
and move the pump out of the way (see  
Figure 57).  
The coolant reservoir on this mill is only  
designed to store coolant. During storage  
some fluids grow dangerous microbes, which  
will produce an unpleasant odor. As well,  
due to the collection of toxic metal chips in  
the fluid, the fluid can become a potent and  
extremely poisonous solution to humans and  
animals. Use the correct personal protection  
equipment and immediately change the  
coolant if either of these conditions occur.  
Figure 57. Location of coolant pump.  
6. Use rags, scrapers, and cleaning solvent  
to thoroughly clean out the bottom of the  
reservoir and the base of the pump. Make  
sure that the interior is completely dry  
before adding new coolant.  
Follow Federal, State, and the coolant  
manufacturer's requirement to safely dispose  
of the used coolant.  
Note: Use a cleaning solvent that is compatible  
with the type of coolant. For instance, if you  
are using a water-base coolant, then use a  
water-base cleaning solvent.  
Changing Coolant  
7. When the reservoir and pump are clean and  
dry, replace the pump, access panel, and the  
drain plug.  
Tools Needed  
Qty  
Hex Wrench 3mm .................................................1  
Hex Wrench 5mm .................................................1  
Catch Pan ..............................................................1  
Bucket 5 Gal..........................................................1  
8. Clean away debris and grime from the  
coolant drain screens on the base of the mill  
(see Figure 56 on the previous page), then  
pour the coolant through one of the screens  
to fill the reservoir.  
To change the coolant:  
1. Put on personal protective equipment.  
2. Place a the catch pan on the table, position  
the coolant nozzle over the pan, then use the  
coolant pump to drain the reservoir.  
Note: When the catch pan is full, empty it into  
the 5 gallon bucket, then repeat the process.  
3. DISCONNECT MILL FROM POWER!  
4. Remove the coolant reservoir access panel  
from the rear of the column.  
-49-  
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M A I N T E N A N C E  
Machine Storage  
Adjusting Gibs  
To avoid rust problems or corrosion damage,  
use the following information to protect your  
investment when storing the mill for any length  
of time.  
Gibs are tapered lengths of metal between two  
dovetail sliding surfaces. Gibs control the gap  
between these surfaces and how they slide past  
one another. Correctly adjusting the gibs is  
critical to producing good milling results.  
DISCONNECT MILL FROM POWER!  
Tight gibs make table movement more  
accurate but stiff. Loose gibs make moving the  
table sloppy but easier to do. The goal of gib  
adjustment is to remove unnecessary sloppiness  
without causing the ways to bind.  
Lubricate the mill as directed in the  
Lubrication section beginning on Page 43.  
Clean out the coolant reservoir in the base  
of the mill as directed in the Changing  
Coolant section on Page 49.  
Gibs are adjusted with a screw on each end of  
the gib, that move the tapered gib back-and-  
forth to increase or decrease the friction pressure  
between the sliding surfaces. The process of  
properly adjusting the gibs requires trial-and-  
Thoroughly clean all unpainted, bare metal  
surfaces, then coat them with a light weight  
grease or rust preventative. Take care to  
ensure these surfaces are completely covered error and patience.  
but that the grease or rust preventative is  
kept off painted surfaces.  
DISCONNECT MILL FROM POWER BEFORE  
ADJUSTING THE GIBS!  
Note: If the machine will be out of service for  
only a short period of time, use way oil or a  
good grade of medium-weight machine oil  
(not auto engine oil) in place of the grease or  
rust preventative.  
Make sure all table and knee locks are loose.  
Then, loosen one gib adjustment screw and  
tighten the other the same amount to move the  
gib. Use the handwheel/crank to move table/  
knee until you feel a slight drag in that path of  
movement.  
Loosen the belts to prevent them from  
stretching during storage. Post a reminder  
on the mill that the belts need to be re-  
installed or tensioned before resuming  
operations.  
Refer to Figures 58–60 on the next page to  
identify the locations of the table, saddle, and  
knee gibs, and one of the two adjustment screws  
for each.  
Place a few moisture absorbing desiccant  
packs inside the electrical and control panel  
boxes.  
Note: It will be necessary to remove small parts,  
such as way wipers and covers, to access the gib  
adjustment screws.  
Cover and place the machine in a dry area  
that is out of direct sunlight and away from  
hazardous fumes, paint, solvents, or gas.  
Fumes and sunlight can bleach or discolor  
paint and plastic parts.  
At least once a month, start the mill and  
run all gear-driven components for a few  
minutes. This will keep the bearings,  
bushings, gears, and shafts well lubricated  
and protected from corrosion, especially  
during the winter months.  
-50-  
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S E R V I C E  
Adjusting Leadscrew  
Backlash  
Leadscrew backlash is the amount the leadscrew  
rotates before the attached device begins to  
move.  
Table Gib &  
Adjustment Screw  
Although the mill is equipped with double-  
bronzed longitudinal and cross leadscrew nuts to  
minimize backlash, leadscrews will always have  
a certain amount of backlash that will increase  
with normal wear.  
Figure 58. Table gib and adjustment screw  
underneath the left side of the table.  
Generally, 0.005"–0.010" leadscrew backlash  
is acceptable to ensure smooth movement and  
reduce the risk of premature thread wear.  
However, if you find it necessary to adjust  
leadscrew backlash, perform the procedures  
listed below.  
Tools Needed  
Qty  
T-Handle Hex Wrench 5mm.................................1  
Hex Wrench 3mm .................................................2  
Hex Wrench 8mm .................................................1  
Wrench 19mm .......................................................1  
Saddle Gib &  
Adjustment Screw  
Figure 59. Saddle gib and adjustment screw.  
Knee Gib &  
Adjustment  
Screw  
Figure 60. Knee gib and adjustment screw.  
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S E R V I C E  
3. Unthread and remove the knurled retaining  
ring, graduated dial ring, and the leadscrew  
key, as shown in Figure 62.  
Longitudinal Leadscrew Backlash  
1. DISCONNECT MILL FROM POWER!  
2. Loosen the two cap screws on the leadscrew  
nut accessed from underneath the left side of  
the table, as shown in Figure 61.  
Cross Leadscrew  
Leadscrew Nut (1 of 2)  
& Cap Screw  
Figure 62. Ball handle, rings, and key removed from  
the cross leadscrew.  
4. Remove the four cap screws from the bearing  
housing, then slide it off the leadscrew (see  
Figure 63).  
Figure 61. Longitudinal leadscrew nut and cap screw,  
as viewed from underneath the left side of the table.  
3. Use the T-handle hex wrench or similar  
tool to rotate the adjustment plate on the  
leadscrew nut in small increments, then  
rotate the X-axis ball handle to check the  
amount of backlash.  
Note: It may be necessary to use a dead blow  
hammer or rubber mallet on the housing to  
knock it loose.  
4. When you are satisfied with the adjustment,  
re-tighten the two cap screws.  
Cross Leadscrew Backlash  
Tools Needed  
Qty  
T-Handle Hex Wrench 5mm.................................1  
Hex Wrench 8mm .................................................1  
Wrench 19mm .......................................................1  
Bearing  
Housing  
1. DISCONNECT MILL FROM POWER!  
Figure 63. Removing the bearing housing from the  
cross leadscrew.  
2. Remove the hex nut and ball handle from the  
cross leadscrew.  
Note: In the next step, take care not to misplace  
the leadscrew key as you remove the parts.  
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5. Loosen the two cap screws on the face of the  
Belt Tensioning  
leadscrew nut shown in Figure 64.  
Power is transferred from the motor to the  
spindle with heavy-duty ribbed belts. With  
normal use, these belts will gradually stretch  
over time. When they do, perform the follow  
procedure to re-tension them.  
Tools Needed  
Qty  
Hex Wrench 6mm .................................................1  
Hex Wrench 10mm ...............................................1  
To re-tension the belts:  
1. DISCONNECT MILL FROM POWER!  
Cross Leadscrew  
Nut & Cap Screws  
2. Loosen the two motor mount cap screws, one  
Figure 64. Cross leadscrew nut and cap screws.  
on each side of the motor (see Figure 65).  
6. Re-install the key onto the leadscrew so that  
you can use the ball handle in the next step.  
Adjustment  
Cap Screw  
Tension  
Adjustment  
Lever  
7. Use the T-handle hex wrench or similar  
tool to rotate the adjustment plate on the  
leadscrew nut in small increments, then  
rotate the cross slide ball handle to check the  
amount of backlash.  
8. When you are satisfied with the adjustment,  
Motor Mount  
Cap Screw  
(1 of 2)  
re-tighten the two cap screws.  
9. Re-install the parts previously removed in  
the reverse order.  
Figure 65. Belt tensioning controls.  
3. Push the belt tension adjustment lever  
back with moderate force, then tighten the  
adjustment cap screw in and against the  
motor mounting plate to secure the setting.  
4. Re-tighten the motor mount cap screws.  
-53-  
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TROUBLESHOOTING  
If you need replacement parts, or if you are unsure how to do any of the solutions given here, feel free  
to call us at (360) 734-1540.  
!
Symptom  
Possible Cause  
Possible Solution  
Machine does not  
start or a breaker  
trips.  
1. Emergency stop button is pushed in  
1. Rotate the button clockwise until it pops out;  
or is at fault.  
replace if necessary.  
2. Main power switch not turned ON.  
2. Make sure the electrical box door is closed and  
securely latched, then turn the main power switch  
ON.  
3. Plug/receptacle is at fault or wired  
3. Test for good contacts; correct the wiring.  
incorrectly.  
4. Power supply is switched OFF or is  
4. Ensure hot lines have correct voltage on all legs and  
at fault.  
main power supply is switched ON.  
5. Main power switch is at fault.  
5. Replace the main power switch.  
6. Motor connection wired incorrectly.  
6. Correct motor wiring connections (Page 59).  
7. ON button or spindle direction  
7. Replace faulty ON button or spindle direction  
switch at fault.  
switch.  
8. Motor windings or motor is at fault.  
8. Replace motor.  
Machine stalls or is  
overloaded.  
1. Machine is undersized for the task.  
1. Use smaller sharp tooling; reduce the feed rate;  
reduce the spindle speed; use coolant.  
2. Workpiece alignment is poor.  
2. Eliminate workpiece binding; use vise or clamps as  
required for proper workpiece alignment control.  
3. Dull or incorrect cutting tool.  
3. Use sharp and correct cutting tool for the operation.  
4. Spindle speed is incorrect for the  
4. Select appropriate spindle speed (Page 34).  
operation.  
5. Motor connection wired incorrectly.  
5. Correct motor wiring connections (Page 59).  
6. Plug/receptacle is at fault or wired  
incorrectly; incorrect voltage  
coming from power source.  
6. Test for good contact; correct wiring problems;  
ensure hot lines have correct voltage on all legs.  
7. Pulley(s) slipping on shaft.  
7. Replace loose pulley/shaft.  
8. Motor bearings at fault.  
8. Test by rotating shaft; rotation grinding/loose shaft  
requires bearing replacement.  
9. Motor has overheated.  
9. Clean off motor, let cool, and reduce workload.  
10. Motor is at fault.  
10. Replace motor.  
Machine has  
vibration or noisy  
operation.  
1. Tool holder or cutter is at fault.  
2. Workpiece alignment is poor.  
3. Motor or component is loose.  
4. Pulley is loose.  
1. Replace out-of-round tool holder; replace/re-sharpen  
cutter; use appropriate feed rate spindle speed.  
2. Eliminate workpiece binding; use vise or clamps as  
required for proper workpiece alignment control.  
3. Inspect replace stripped or damaged bolts/nuts and  
re-tighten with thread locking fluid.  
4. Re-align/replace shaft, pulley, set screw, and key as  
required.  
5. Machine is incorrectly mounted to  
5. Re-tighten/replace mounting bolts in floor; relocate/  
floor or sits uneven.  
shim machine.  
6. Motor fan is rubbing on fan cover.  
7. Pulley(s) slipping on shaft.  
8. Motor bearings at fault.  
6. Replace dented fan cover or fan.  
7. Replace loose pulley/shaft.  
8. Test by rotating shaft; rotation grinding/loose shaft  
requires bearing replacement.  
9. Gearbox is at fault.  
9. Rebuild gearbox for bad gear(s)/bearing(s).  
-54-  
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For Machines Mfg. Since 8/09  
Model SB1027  
TROUBLESHOOTING  
!
Symptom  
Possible Cause  
Possible Solution  
Tool slips in collect.  
1. Collet is not fully drawn into  
1. Snug up the drawbar to fully seat the collet.  
spindle taper.  
2. Wrong size collet.  
2. Use correct collect for tool shank diameter.  
3. Debris on mating surfaces of collet  
3. Remove oil and debris from mating surfaces, then  
and spindle.  
re-install.  
4. Excessive depth of cut.  
4. Decrease depth of cut and allow chips to clear.  
Tool breakage.  
1. Spindle speed too slow/feed rate too  
1. Use correct spindle speed and feed rate (Page 34).  
fast.  
2. Tool getting too hot.  
2. Use coolant; reduce spindle speed/feed rate  
(Page 34).  
3. Excessive depth of cut.  
3. Decrease depth of cut and allow chips to clear.  
Workpiece chatters  
or vibrates during  
operation.  
1. Table/saddle/knee locks not tight.  
1. Tighten all locks on mill that are not associated  
with necessary table movement for the operation.  
2. Workpiece not securely clamped to  
2. Check that clamping is tight and sufficient for the  
operation; make sure mill vise is clamped tight to  
table.  
table or mill vise.  
3. Tool not secure or is damaged.  
3. Properly secure the tool; replace if damaged.  
4. Spindle speed too fast/feed rate too  
4. Use correct spindle speed and feed rate (Page 34).  
slow.  
5. Gibs are too loose.  
5. Properly adjust gibs (Page 50).  
Table hard to  
move.  
1. Table/saddle/knee locks are  
1. Full loosen locks needed for movement.  
tightened down.  
2. Chips have loaded up on the ways.  
2. Frequently clean away chips from the ways that  
build up during operation.  
3. Ways are dry and in need of  
3. Use the one-shot oiler (Page 44).  
lubrication.  
4. Gibs are too tight.  
4. Properly adjust gibs (Page 50).  
Bad surface finish.  
1. Wrong spindle speed/feed rate.  
1. Use correct spindle speed and feed rate (Page 34).  
2. Dull/damaged tool; wrong tool for  
2. Sharpen/replace tool; use correct tool for operation.  
operation.  
3. Wrong spindle rotation direction for  
3. Check for proper spindle rotation direction for tool.  
tool.  
4. Workpiece not securely clamped to  
4. Check that clamping is tight and sufficient for the  
operation; make sure mill vise is clamped tight to  
table.  
table or mill vise.  
5. Gibs are too loose.  
5. Properly adjust gibs (Page 50).  
Power feed chatters  
or grinds during  
operation.  
1. Brass bevel gear is not meshed with  
1. Remove parts from the power feed side of the  
longitudinal leadscrew to ensure the bevel gear is  
properly meshed; make sure the ball handle nut is  
tight.  
the drive gear.  
2. Power feed unit is at fault  
2. Replace.  
-55-  
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Model SB1027  
For Machines Mfg. Since 8/09  
E L E C T R I C A L  
Electrical Safety Instructions  
These pages are accurate at the time of printing. In the constant effort to improve, however, we may  
make changes to the electrical systems of future machines. Study this section carefully. If you see  
differences between your machine and what is shown in this section, call Technical Support at (360)  
734-1540 for assistance BEFORE making any changes to the wiring on the machine.  
1. Shock Hazard: Working on wiring that is  
connected to a power source is extremely  
dangerous. Touching electrified parts will  
result in personal injury including but  
not limited to severe burns, electrocution,  
or death. Disconnect the power from  
the machine before servicing electrical  
components!  
5. Circuit Requirements: You MUST follow  
the requirements at the beginning of this  
manual when connecting your machine to a  
power source.  
6. Capacitors/Inverters: Some capacitors and  
power inverters store an electrical charge for  
up to 10 minutes after being disconnected  
from the power source. To reduce the risk of  
being shocked, wait at least this long before  
working on capacitors.  
2. Wire Connections: All connections must be  
tight to prevent wires from loosening during  
machine operation. Double-check all wires  
disconnected or connected during any wiring  
task to ensure tight connections.  
7. Wire/Component Damage: Damaged wires  
or components increase the risk of serious  
personal injury, fire, or machine damage. If  
you notice that any wires or components are  
damaged while performing a wiring task,  
replace those wires or components before  
completing the task.  
3. Modifications: Using aftermarket parts or  
modifying the wiring beyond what is shown  
in the diagram may lead to unpredictable  
results, including serious injury or fire.  
4. Motor Wiring: The motor wiring shown  
in these diagrams is current at the time of  
printing, but it may not match your machine.  
Always use the wiring diagram inside the  
motor junction box.  
8. Experiencing Difficulties: If you are  
experiencing difficulties understanding the  
information included in this section, contact  
our Technical Support at (360) 734-1540.  
WIRING DIAGRAM COLOR KEY  
BLUE  
WHITE  
BLACK  
BLUE  
PINK  
RED  
WHITE  
YELLOW  
GREEN  
LIGHT  
BLUE  
GREEN  
PURPLE  
TUR-  
QUIOSE  
YELLOW  
GRAY  
ORANGE  
BROWN  
The photos and diagrams included in this section are best viewed in color. You can  
NOTICE:  
-56-  
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For Machines Mfg. Since 8/09  
Model SB1027  
E L E C T R I C A L  
freq drive wiring  
Upper Electrical Panel  
Variable Frequency Drive  
Yaskawa V1000  
Bk  
CIMR-VT2A0020BAA  
200V 3-Ph 5.5kW/3.7kW  
To Control  
Panel  
(Page 59)  
11  
13  
12  
8
+
-
10  
7
6
600 W  
40 Ohm  
Thermal  
Brake  
Resistor  
To Spindle  
Motor  
(Page 59)  
R1  
T1  
B1  
B2  
W
U
V
R1  
T1  
8
13  
Bk  
To Lower Electrical  
Panel (Page 58)  
Upper Electrical Panel  
See Figure 67  
-57-  
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Model SB1027  
For Machines Mfg. Since 8/09  
E L E C T R I C A L  
electrical panel wiring  
See Figure 67  
Lower Electrical Panel  
Lower Electrical Panel  
To Upper Electrical  
Panel (Page 57)  
T
R
R
To Spindle  
R2  
T2  
Motor  
(Page 59)  
Yung-Jeng  
Transformer  
500VA A009-0392  
To  
Frequency  
Drive  
(Page 57)  
0
R
R
T
T
2R  
1R  
1R  
R
13  
T1  
R1  
8
0
0
T
2
35  
33  
30  
1
3
34  
R
R
T
13  
20  
5
0
R
A2  
A1  
A2  
A1  
33  
2
T
0
20  
3
9
53NO  
63NO  
24V Relay  
Omron MY4I  
8
Aux Contactor  
AB 100F A20  
35  
34  
54NO  
64NO  
4
21  
22  
0
W2  
4
0
R1  
R2  
T2  
U2  
T1  
1
3
5
7
21  
21  
21  
22  
22  
22  
Main Power Switch  
4
U2  
0
1
2
2
2
3
3
3
4
4
4
5
9 21 22 30 34 35  
9 21 22 30 34 35  
22  
W2  
L1 L3  
L1 L3  
2
9
8
L3  
U2  
W2  
0
0
1
1
5
5
L1  
9
21  
3435 3435  
110V 5-15  
Outlets  
L1  
L3  
34 35  
Ground  
Hot  
G
To Pump (Page 59)  
220V  
To Control Panel  
(Page 59)  
To Cabinet Fan  
Hot  
6-15 Plug  
(As Recommended)  
-58-  
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For Machines Mfg. Since 8/09  
component wiring  
Model SB1027  
control panel wiring  
E L E C T R I C A L  
Control Panel Wiring  
Control Panel  
See Figure 66  
Spindle  
Speed Display  
1
+
1
NC  
2
+
2
2
12  
10  
11  
2
3
4 5  
2
3
9
6
7
0
11  
10  
12  
2
3
1
X1  
3
NO  
4
3
NO  
4
3
NO  
4
NO  
4
To Electrical Panel  
& Frequency Drive  
(Pages 58–57)  
X2  
Spindle  
Speed Dial  
4
5
9
Coolant Pump Motor  
220V Single-Phase  
See Figure 70  
Yl  
Rd  
Rd  
Yl  
Yl  
Spindle Motor  
220V 3-Phase  
See Figure 68  
Rd  
Rd  
U2  
S. Capacitor  
3M 450V  
W2  
W2  
Z1  
W1  
W
V2  
Y1  
V1  
35  
34  
W
U
V
2
U1  
3
3
COM  
NC  
X1  
U2  
3
2
2
Ground  
NO  
Spindle Brake  
See Figure 69  
-59-  
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Model SB1027  
For Machines Mfg. Since 8/09  
E L E C T R I C A L  
Electrical Component Pictures  
Figure 66. Control panel wiring.  
Figure 68. Spindle motor wiring.  
Figure 69. Spindle brake switch wiring.  
Figure 67. Electrical panel wiring.  
Figure 70. Coolant pump motor wiring.  
-60-  
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For Machines Mfg. Since 8/09  
Model SB1027  
P A R T S  
Headstock  
-61-  
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Model SB1027  
For Machines Mfg. Since 8/09  
P A R T S  
Headstock Parts List  
REF PART #  
DESCRIPTION  
REF PART #  
DESCRIPTION  
1
2
3
4
5
6
PSB10240449 ROUND KNOB 3/8-16  
PSB10240002 PINION SHAFT LEVER  
PSB10240003 PINION SHAFT HUB  
50  
51  
52  
53  
54  
PSB10240037A CLUSTER GEAR SHAFT 18T/12T  
PSB10240037A FEED DRIVE CLUSTER GEAR 23T  
PSB10240037A NEEDLE BEARING BZ66Z TIMKEN  
PSB10240053 REVERSE CLUTCH ROD  
PSTB004  
PSB10240005 COMPRESSION SPRING  
PSS05 SET SCREW 5/16-18 X 1/4  
STEEL BALL 3/16  
PSB10240055A FEED REVERSE BUSHING  
55A PSB10270055A FEED REVERSE BEVEL GEAR ASSY  
7
8
9
10  
11  
12  
13  
14  
15  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
PSB10240007 HUB RETAINER  
PSB10240008 PINION SHAFT HUB SLEEVE  
55  
56  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
PSB10240055A FEED REVERSE BEVEL GEAR  
PSB10240056 FEED REVERSE CLUTCH  
PCAP33M  
CAP SCREW M5-.8 X 12  
PRP42M  
PR03M  
ROLL PIN 3 X 20  
EXT RETAINING RING 12MM  
PSB10240010 RETURN SPRING COVER  
PSB10240011  
PK155M  
FLAT COIL SPRING  
KEY 3 X 3 X 18  
PSB10240059 FEED WORM SHAFT BUSHING  
PK39M  
PK52M  
KEY 3 X 3 X 10  
KEY 3 X 3 X 15  
PSB10240013  
PSB10240014  
PRIV001M  
RETURN SPRING STUD  
QUILL PINION SHAFT 10T/16T  
STEEL FLUTED RIVET 2 X 5MM  
ZERO SCALE  
PSB10240062 WORM  
PSB10240063 BUSHING  
PSB10240017  
PCAP06M  
PSS01M  
CAP SCREW M6-1 X 25  
SET SCREW M6-1 X 10  
PSB10240018 ROUND KNOB 1/4-20  
PSB10240019  
PSS11  
PSB10240021  
SHIFT CRANK  
SET SCREW 1/4-20 X 1/4  
COMPRESSION SPRING  
PSB10240066 FEED GEAR SHIFTER FORK  
PSB10240067 CLUSTER GEAR SHIFT CRANK  
PSB10240068 FEED SHIFT ROD  
PSB10240069 CLUSTER GEAR COVER  
PSB10240070 QUILL PINION SHAFT BUSHING  
PSB10240022 GEAR SHIFT PLUNGER  
PSB10240023 SHIFT SLEEVE  
PSB10240024 WORM GEAR CRADLE THROW-OUT  
PSB10240025 WORM SHAFT  
PSB10240071  
PR05M  
OVERLOAD CLUTCH WORM GEAR 30T  
EXT RETAINING RING 15MM  
72  
PSS01M  
PK102M  
SET SCREW M6-1 X 10  
KEY 4 X 4 X 18  
73A PSB10240073A PINION OVERLOAD CLUTCH ASSY  
73  
74  
75  
76  
77  
78  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
93  
94  
95  
96  
PSB10240073A PINION OVERLOAD CLUTCH SHAFT  
PSB10240073A OVERLOAD CLUTCH  
PSB10240073A CLUTCH COMPRESSION SPRING  
PSB10240028 WORM GEAR  
PSB10240029 CLUSTER GEAR RETAINER  
PSB10240030 FEED CLUSTER GEAR 17T/28T/22T  
PSS05M  
SET SCREW M5-.8 X 10  
PR06M  
EXT RETAINING RING 16MM  
PSB10240073A PINION OVERLOAD CLUTCH COLLAR  
PSB10240078 CLUTCH RING  
PSB10240079 OVERLOAD CLUTCH WASHER  
PSB10240032 BEVEL GEAR BUSHING  
PSB10240033 BEVEL GEAR THRUST SPACER  
PSB10240034 FEED REVERSE BEVEL PINION  
PR01M  
EXT RETAINING RING 10MM  
PK53M  
PSB10240037A FEED ENGAGE PIN  
37A PSB10240037A WORM GEAR CRADLE ASSEMBLY  
KEY 3 X 3 X 45  
PSB10240081 CLUTCH RING SCREW  
PSB10240082 OVERLOAD CLUTCH TRIP LEVER  
PRP03M  
ROLL PIN 5 X 20  
37  
38  
39  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
PSB10240037A WORM GEAR CRADLE  
PSB10240084 CLUTCH ARM COVER  
PSS26M  
PCAP04M  
PW03M  
SET SCREW M5-.8 X 6  
CAP SCREW M6-1 X 10  
FLAT WASHER 6MM  
PCAP79M  
PN05  
CAP SCREW M5-.8 X 35  
HEX NUT 1/4-20  
PSS06  
SET SCREW 1/4-20 X 3/4  
PSB10240037A WORM GEAR SPACER  
PSB10240037A FEED DRIVE WORM GEAR 20T  
PSB10240037A WORM CRADLE BUSHING  
PSB10240088 COMPRESSION SPRING  
PSB10240089 OVERLOAD CLUTCH PLUNGER  
PSB10240090 OIL CUP 1/8"  
PK103M  
PSB10240037A FEED REVERSE BEVEL PINION  
PCAP30 CAP SCREW 5/16-18 X 1/2  
KEY 3 X 3 X 12  
PSB10240091  
TRIP PLUNGER BUSHING  
PSB10240092 FEED TRIP PLUNGER  
PSB10240093 FEED TRIP LEVER  
PSB10240094 TRIP LEVER PIN  
PSB10240037A BEVEL GEAR FLAT WASHER 8MM  
PSB10240037A FEED BEVEL GEAR 24T  
PN04M  
HEX NUT M4-.7  
PK03M  
KEY 3 X 3 X 8  
PSS49M  
SET SCREW M4-.7 X 16  
-62-  
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For Machines Mfg. Since 8/09  
Model SB1027  
P A R T S  
Headstock Parts List  
REF PART #  
DESCRIPTION  
REF PART #  
DESCRIPTION  
97  
98  
99  
100  
101  
102  
103  
104  
PSB10240097 INDICATOR ROD LOCK KNOB  
PSB10240098 INDICATOR ROD  
PSB10240099 REVERSE TRIP BALL LEVER SCREW  
PSB10240100 FEED REVERSE TRIP PLUNGER  
119  
120  
121  
122  
123  
124  
125  
126  
PSTB004M  
PSB10240120  
PSS17M  
PSB10240122  
PS17M  
PSB10240124  
PSB10240124  
PEC13M  
STEEL BALL 5MM  
COMPRESSION SPRING  
SET SCREW M8-1.25 X 6  
QUILL DEPTH SCALE  
PHLP HD SCR M4-.7 X 6  
FINE DOWNFEED HANDWHEEL  
HANDWHEEL HANDLE  
E-CLIP 5MM  
PSB10240101  
PSB10240102  
REVERSE TRIP BALL LEVER  
QUILL STOP KNOB  
PSB10240105A UPPER QUILL MICRO STOP  
PSB10240105A LOWER QUILL MICRO STOP  
105A PSB10270105A QUILL MICRO STOP ASSEMBLY  
127A PSB10270127A KNURLED SLEEVE ASSEMBLY  
105  
106  
PSB10240105A QUILL MICRO STOP SHAFT  
PCAP105 CAP SCREW 3/8-16 X 5/8  
127  
128  
129  
130  
131  
PSB10240127A KNURLED SLEEVE  
PSB10240127A HANDWHEEL CAPTIVE PIN  
107A PSB10240107A STOP TRIP BAR ASSEMBLY  
PSB10240129  
PSB10240130  
QUILL LOCK NUT  
QUILL LOCK SLEEVE  
107  
108  
109  
110  
111  
112  
113  
114  
115  
116  
117  
PSB10240107A STOP SHAFT TRIP BAR  
PSB10240107A COMPRESSION SPRING  
PSB10240107A STOP SHAFT TRIP SHAFT  
PSB10240133A LOCK SHAFT  
PSB10240133A TAPERED COMPRESSION SPRING  
132  
PRP61M  
PSB10240107A STOP SHAFT END CAP  
PRP02M ROLL PIN 3 X 16  
ROLL PIN 3 X 12  
133A PSB10240133A LOCK HANDLE ASSEMBLY  
133  
134  
135  
136  
137  
138  
139  
PSB10240133A LOCK HANDLE  
PSB10240133A LOCK HANDLE STEP SCREW  
PSB10240107A TRIP BAR SET SCREW  
PSB10240107A STOP SHAFT PLUNGER  
PSB10240135  
PSB10240136  
PSB10240137  
PSB10240138  
PSB10240139  
HEAD ROTATION LOCK BOLT  
LOWER CLAMPING BOLT SPACER  
LOCK BOLT FLAT WASHER  
LOCK BOLT HEX NUT  
PSB10240115  
PCAP02M  
PSB10240117  
PSB10240118  
FEED TRIP BRACKET  
CAP SCREW M6-1 X 20  
STOP SHAFT TRIP LEVER  
HANDWHEEL CLUTCH  
QUILL HOUSING  
118  
-63-  
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Model SB1027  
For Machines Mfg. Since 8/09  
P A R T S  
Quill  
Quill  
Housing  
217  
216  
215  
218  
214  
213  
212  
211  
210  
209  
208  
205  
206A  
207  
206  
205  
204  
201  
202  
203  
REF PART #  
DESCRIPTION  
SPINDLE R8  
SET SCREW M6-1 X 8  
REF PART #  
DESCRIPTION  
SPANNER LOCK WASHER  
SPANNER NUT  
QUILL SKIRT  
SET SCREW M5-.8 X 6  
QUILL  
FLAT WASHER 5MM  
PHLP HD SCR M5-.8 X 10  
DRAWBAR 7/16-20 x 18-1/2  
DRAWBAR WASHER  
201  
PSB10240201  
210  
211  
PSB10240210  
PSB10240211  
PSB10240212  
PSS26M  
202 PSS03M  
203 PSB10240203 QUILL END CAP  
204 PSB10240204 QUILL SEAL  
205 PSB10240205 ANGULAR CONTACT BEARING 7207 P4  
206A PSB10240206A BEARING SPACER ASSEMBLY  
206 PSB10240206A BEARING SPACER  
212  
213  
214  
215  
216  
217  
218  
PSB10240214  
PW02M  
PS09M  
207  
208 PSB10240208 SLEEVE  
209 P6206ZZ BALL BEARING 6206ZZ  
PSB10240206A BEARING SPACER  
PSB10240217  
PSB10240218  
-64-  
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For Machines Mfg. Since 8/09  
Model SB1027  
P A R T S  
Gearbox  
305  
306  
324  
325  
301  
326  
327  
307A  
307  
308  
303A  
328  
329  
330  
302  
303  
306  
309  
310  
331  
332  
333  
311  
312  
304  
334  
329  
336  
314  
313  
335  
315  
337  
317  
341  
316  
342  
343  
339  
318  
340  
344  
345  
321  
322  
323  
346  
347  
348  
349  
For Reference Only  
-65-  
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Model SB1027  
For Machines Mfg. Since 8/09  
P A R T S  
Gearbox Parts List  
REF PART #  
DESCRIPTION  
REF PART #  
DESCRIPTION  
301  
PSB10240301  
GEARBOX PLATE  
KEY 8 X 8 X 12  
325 PSB10240325 BELT PULLEY GEAR  
326 PCAP24M CAP SCREW M5-.8 X 16  
327 PSB10240327 BULL GEAR PINION BEARING CAP  
328 PSB10240328 WAVE SPRING WASHER  
302 PK70M  
303A PSB10240303A SPINDLE GEAR HUB ASSEMBLY  
303 PSB10240303A SPINDLE GEAR HUB  
304 PSB10240304 SPINDLE BULL GEAR  
305 PSB10240305 BEARING SLEEVE  
329 P6203VV-N  
DEEP GROOVE BALL BEARING 6203VV NSK  
330 PSB10240330 PINION GEAR 30T  
306 P6908VV-N  
DEEP GROOVE BALL BEARING 6908VV NSK  
331  
PSS20M  
SET SCREW M8-1.25 X 8  
307A PSB10240307A BEARING SPACER ASSEMBLY  
307 PSB10240307A BULL GEAR BEARING SPACER  
308 PSB10240307A BULL GEAR BEARING SPACER  
332 PSB10240332 PINION GEAR SHAFT  
333 PK19M  
334 PK14M  
KEY 5 X 5 X 14  
KEY 5 X 5 X 18  
309 PR38M  
INT RETAINING RING 62MM  
SPACER  
335 PZERK005  
336 PSB10240336 GEARBOX HOUSING  
337 PCAP14M CAP SCREW M8-1.25 X 20  
339 PSB10240339 BULL GEAR SHIFT PINION  
340 PSB10240340 HI-LOW DETENT PLATE  
GREASE FITTING ST 1/8 PT  
310  
311  
PSB10240310  
PSB10240303A SPANNER LOCK WASHER  
PSB10240303A SPANNER NUT  
PSB10240313  
PSB10240314  
PSB10240315  
PFH71M  
PSB10240317  
PSB10240090 OILCUP 1/8  
PSB10240321  
PLW05  
312  
313  
314  
315  
316  
317  
318  
321  
322  
BEARING SLEEVE WASHER  
STEP PIN  
COMPRESSION SPRING  
FLAT HD CAP SCR M5-.8 X 8  
BLOCK  
341  
342  
PCAP33M  
PRP02M  
CAP SCREW M5-.8 X 12  
ROLL PIN 3 X 16  
SET SCREW M5-.8 X 6  
343 PSS26M  
344 PSB10240344 HI-LOW PINION BLOCK  
345 PCAP16M CAP SCREW M4-.7 X 16  
346 PSB10240346 HI-LOW DETENT PLUNGER  
347 PSB10240005 COMPRESSION SPRING  
348 PSB10240348 HI-LOW LEVER  
349 PSB10240018 ROUND KNOB 1/4-20  
DOUBLE-END STUD  
LOCK WASHER 7/16  
HEX NUT 7/16-14  
HEX NUT 5/8-11  
323 PN19  
324  
PN09  
-66-  
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For Machines Mfg. Since 8/09  
Model SB1027  
P A R T S  
Belt Housing  
415  
412  
412  
401  
413  
414  
462  
422  
416  
417  
421  
420  
419  
402  
418  
403A  
423  
461  
404  
405  
403-1  
403  
464  
465  
463  
425  
426  
427  
428  
429  
424  
418  
406  
407  
408  
430  
466  
431  
432  
433  
434  
409  
410  
411  
435  
436  
437  
438  
446  
445  
450  
415  
447  
448  
444  
442  
443  
439  
441  
440  
454  
449  
442  
453  
451  
452  
455  
456  
457  
458  
459  
460  
For Reference Only  
-67-  
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Model SB1027  
For Machines Mfg. Since 8/09  
P A R T S  
Belt Housing Parts List  
REF PART #  
DESCRIPTION  
REF PART #  
433 PW03M  
DESCRIPTION  
FLAT WASHER 6MM  
401 PSB10270403A MOTOR FAN COVER  
402 PSB10270403A MOTOR FAN  
434 PSB10240442 BRAKE BEARING CAP  
403A PSB10270403A MOTOR ASSEMBLY  
403 PSB10270403A MOTOR 3HP 220V 3PH 60HZ  
403-1 PSB10270403A MOTOR JUNCTION BOX  
435 PCAP115M  
436 PSB10240444 BRAKE SHOW PIVOT SLEEVE  
BUTTON HD CAP SCR M6-1 X 16  
437  
PS12M  
PHLP HD SCR M3-.5 X 6  
404 PCAP111M  
405 PW06M  
CAP SCREW M12-1.75 X 35  
FLAT WASHER 12MM  
438 PSB10240446 BRAKE SHOE SPRING  
439 PSB10240447 BRAKE SHOE SET  
406 PSB10250403 BELT TENSION ADJUSTMENT LEVER  
407 PSB10250407 KNOB 5/16-18  
408 PSB10270408 MOTOR PULLEY  
440 P6010VV-N  
DEEP GROOVE BALL BEARING 6010VV NSK  
441  
PR47M  
EXT RETAINING RING 13MM  
SET SCREW M6-1 X 8  
BRAKE SHAFT SLEEVE  
BRAKE SHAFT  
442  
PSS03M  
409 PK163M  
KEY 8 X 7 X 30  
443 PSS03M  
410  
411  
PSB10270410  
PCAP31M  
PCAP02M  
PSB10270413  
PCAP12M  
MOTOR PULLEY FLAT WASHER  
CAP SCREW M8-1.25 X 25  
CAP SCREW M6-1 X 20  
MOTOR ADJUSTMENT BLOCK  
CAP SCREW M8-1.25 X 40  
SET SCREW M5-.8 X 6  
TOP BEARING COVER  
BRAKE SWITCH MOUNTING BLOCK  
CAP SCREW M5-.8 X 16  
BRAKE SWITCH  
444  
PSB10240451  
445 PEC02M  
446 PSB10240453 BRAKE LEVER BRACKET  
447 PSB10270447 CAPTIVE PIN  
448 PSB10240456 BRAKE LEVER  
449 PSB10240449 KNOB 3/8-16  
E-CLIP 4MM  
412  
413  
414  
415  
416  
417  
418  
419  
PSS26M  
PSB10270416  
PSB10270417  
PCAP24M  
450 PSB10240458 BRAKE OPERATING FINGER  
451  
PSB10240459 BRAKE FINGER PIVOT STUD  
452  
PR36M  
EXT RETAINING RING 7MM  
BRAKE SEAT  
CAP SCREW M6-1 X 16  
PSB10270419  
453 PSB10240461  
454 PCAP01M  
420 PW05M  
FLAT WASHER 4MM  
421  
PCAP21M  
CAP SCREW M4-.7 X 30  
455 PSB10240463 SPINDLE PULLEY SPACER  
456 PSB10270456 SPINDLE PULLEY HUB  
422  
423  
424  
425  
PSB10270422 BRAKE SWITCH COVER  
PS09M PHLP HD SCR M5-.8 X 10  
PSB10270424 BELT HOUSING  
PSB10270425 SPANNER NUT  
457  
458 PK27M  
PK109M  
KEY 7 X 7 X 35  
KEY 7 X 7 X 25  
459 PSB10250447 TIMING BELT 225L-100  
426 PSB10270426 TABBED SPANNER LOCK WASHER  
427 P6007VV-N DEEP GROOVE BALL BEARING 6007VV NSK  
428 PSB10270428 BEARING SPACER  
429 PSB10270429 TIMING BELT 800-8YU-25  
430 PSB10270430 SPINDLE PULLEY  
460 PSB10270460 SPINDLE PULLEY HUB COLLAR  
461  
462 PS05M  
463 PSB10270463 BELT HOUSING BOTTOM COVER  
PSB10240420 BELT HOUSING REAR COVER  
PHLP HD SCR M5-.8 X 8  
464 SB1319  
465 PS05M  
SOUTH BEND NAMEPLATE 90MM  
PHLP HD SCR M5-.8 X 8  
431  
432  
PSB10240438 BRAKE ASSEMBLY COVER  
PS68M PHLP HD SCR M6-1 X 10  
466 PSB10270466 PULLEY COLLAR  
-68-  
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For Machines Mfg. Since 8/09  
Model SB1027  
P A R T S  
Ram  
522  
521  
520  
517  
515  
516  
524  
508  
510  
525  
527  
519  
506  
526  
504  
531A  
528  
513  
509  
503  
502  
504  
531  
515  
518  
517  
511  
514  
532  
510  
512  
529  
507  
504  
505  
530  
533  
501  
534  
535  
523  
504  
536  
For Reference Only  
REF PART #  
501 PCAP31M  
DESCRIPTION  
CAP SCREW M8-1.25 X 25  
REF PART #  
520 PSB10240519  
DESCRIPTION  
HEAD TILT WORM SHAFT  
502 PSB10240502 DOWEL PIN 8 X 30  
503 PSB10240503 GEAR 33T  
521  
522  
PSB10240520 LIFTING EYE BOLT 3/4-10  
PSB10240521 RAM  
504 PRIV001M  
STEEL FLUTED RIVET 2 X 5MM  
523 PSB10240522 RAM GIB  
505 PSB10240505 HEAD ROTATION SCALE  
506 PSB10240506 RAM ADAPTER  
524  
525  
PSB10240523 TURRET CLAMP BOLT  
PSB10240524 RAM PINION SCREW  
507  
PSB10240017  
INDICATOR PLATE  
526 PSB10240525 TURRET  
527 PSB10240526 RAM GIB ADJUSTMENT SCREW  
528 PN08 HEX NUT 3/8-16  
508 PSB10240508 WORM THRUST WASHER  
509 PSB10240509 LOCK COLLAR  
510  
511  
PSS02M  
PK36M  
SET SCREW M6-1 X 6  
KEY 5 X 5 X 50  
HEAD TILT WORM  
HEAD TILT SCALE  
TILT LOCK BOLT  
FLAT WASHER 14MM  
LONG HEX NUT M12-1.75  
EXT RETAINING RING 28MM  
TILT PIVOT STUD  
529 PSB10240528 RAM LOCK PLUNGER  
530 PSB10240530A LOCK LEVER STUD  
531A PSB10240530A LOCK LEVER ASSEMBLY  
512  
513  
514  
515  
516  
517  
518  
519  
PSB10240512  
PSB10240513  
PSB10240514  
PW10M  
PSB10240138  
PR19M  
531  
PSB10240530A LOCK LEVER  
532 PSB10240530A COMPRESSION SPRING  
533 PSB10240530A STEP SCREW  
534 PSB10240533 RAM PINION  
535 PSB10240534 RAM ROTATION SCALE  
536 PSB10240535 TURRET BRACKET  
PSB10240517  
PSB10240518  
TILT LOCK BOLT BUSHING  
-69-  
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Model SB1027  
For Machines Mfg. Since 8/09  
P A R T S  
Column, Knee & Saddle  
-70-  
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For Machines Mfg. Since 8/09  
Model SB1027  
P A R T S  
Column, Knee & Saddle Parts List  
REF PART #  
DESCRIPTION  
REF PART #  
DESCRIPTION  
601  
PSB10240601 COLUMN  
634 PSB10240634 KNEE  
602 PRIV001M  
603 PSB10240017  
604 PSB10240604 REAR COLUMN COVER  
605 PS09M PHLP HD SCR M5-.8 X 10  
606 PSB10240606 PLUG 1/2" PT  
607 PS40M  
608 PW02M  
609 PCAP11M  
STEEL FLUTED RIVET 2 X 5MM  
INDICATOR PLATE  
635 PSB10240635 CRANK HANDLE  
636 PSB10240636 VERTICAL CRANK  
637 PSB10240637 CRANK CLUTCH  
638 PSB10240638 FRONT DIAL RETAINER  
639 PSB10240639 VERTICAL DIAL (INCH)  
640 PSB10240640 REAR DIAL RETAINER  
PHLP HD SCR M5-.8 X 16  
FLAT WASHER 5MM  
CAP SCREW M8-1.25 X 16  
LOCK WASHER 8MM  
641  
642 PSB10240642 BEARING RETAINER  
643 P6204ZZ BALL BEARING 6204ZZ  
644 PSB10240644 BEARING SEAT  
645 PK47M KEY 4 X 4 X 15  
646 PSB10240646 VERTICAL CRANK SHAFT  
PCAP01M  
CAP SCREW M6-1 X 16  
610  
611  
PLW04M  
PSB10240613A STEP SCREW  
612  
PSB10240613A COMPRESSION SPRING  
613A PSB10240613A KNEE LOCK LEVER ASSEMBLY  
613  
614  
615  
616  
617  
618  
PSB10240613A KNEE LOCK LEVER  
PSB10240613A LOCK LEVER SHAFT  
647  
PK48M  
KEY 4 X 4 X 20  
SET SCREW M6-1 X 6  
648 PSS02M  
649 PSB10240649 BEVEL PINION  
650 PSS03M  
651A PSB10240651A CHIP GUARD SET  
PSB10240615  
UPPER KNEE LOCK PLUNGER  
PSB10240616 LOWER KNEE LOCK PLUNGER  
SET SCREW M6-1 X 8  
P51305  
PK20M  
THRUST BEARING 51305  
KEY 5 X 5 X 15  
651  
PSB10240651A OUTER CHIP GUARD  
619A PSB10240619A VERTICAL LEADSCREW W/NUT ASSY  
619 PSB10240619A VERTICAL LEADSCREW INCH  
620 PCAP02M CAP SCREW M6-1 X 20  
621 PSB10240619A VERTICAL LEADSCREW BEVEL NUT INCH  
622 PZERK005 GREASE FITTING ST 1/8 PT  
623 PSB10240623 VERTICAL LEADSCREW HOUSING  
624 PCAP19 CAP SCREW 3/8-16 X 1-1/4  
625 PSB10240625 COOLANT SCREEN  
626A PSB10240626A SADDLE/KNEE WIPER SET  
626 PSB10240626A RIGHT KNEE WIPER  
652 PSB10240651A MIDDLE CHIP GUARD  
653 PSB10240651A INNER CHIP GUARD  
654 PSB10240654 WAY COVER SUPPORT  
655 PN06M  
656 PSB10240626A FRONT SADDLE WIPER  
657 PSB10240657 SADDLE GIB  
HEX NUT M5-.8  
658 PSB10240658 LEFT TABLE LOCK PLUNGER  
659 PSB10240659 RIGHT TABLE LOCK PLUNGER  
660 PSB10240660 SADDLE LOCK PLUNGER  
661  
PSB10240661 TABLE GIB SCREW  
627  
PSB10240626A LEFT KNEE WIPER  
662 PSB10240662 TABLE GIB  
663 PSB10240663 SADDLE  
664 PSB10240626A REAR SADDLE WIPER  
628 PSB10240628 GIB SCREW  
629 PSB10240629 KNEE GIB  
630 PN01  
631 PSB10240631  
632 PSB10240632 BEVEL GEAR  
633 P6205ZZ BALL BEARING 6205ZZ  
HEX NUT 1/2-20  
BEVEL GEAR FLAT WASHER 1/2  
665 PBHS13M  
666 PSB10240666 FRONT WAY COVER  
667 PSB10240667 REAR WAY COVER  
BUTTON HD CAP SCR M5-.8 X 18  
-71-  
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Model SB1027  
For Machines Mfg. Since 8/09  
P A R T S  
Table  
-72-  
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For Machines Mfg. Since 8/09  
Model SB1027  
P A R T S  
Table Parts List  
REF PART #  
DESCRIPTION  
HEX NUT 1/2-20  
REF PART #  
DESCRIPTION  
PSB10240723A TABLE BALL HANDLE CLUTCH ASSY  
PCAP03M CAP SCREW M5-.8 X 8  
PSB10270730 TABLE BEARING BRACKET COVER  
701  
PN01  
725  
729  
730  
731  
702  
PSB10270723A HANDLE  
703 PSB10240703 CROSS FEED BALL HANDLE  
704A PSB10240704A DIAL HOLDER ASSEMBLY  
PRIV001M  
STEEL FLUTED RIVET 2 X 5MM  
INDICATOR PLATE  
704  
705  
PSB10240704A OUTER DIAL HOLDER  
PSB10240705 TABLE DIAL (INCH)  
732  
733  
734  
735  
PSB10270732  
PSB10270733 BEARING BRACKET  
PSB10240730 RUBBER TABLE T-SLOT PLUG  
PSB10240606 PIPE PLUG 1/2 PT  
706 PSB10240704A INNER DIAL HOLDER  
707 PCAP01M CAP SCREW M6-1 X 16  
708 PSB10240642 BEARING RETAINING RING  
736A PSB10270736A LONGITUDINAL LEADSCREW W/NUT ASSY  
736 PSB10270736A LONGITUDINAL LEADSCREW  
709 P6204ZZ  
BALL BEARING 6204ZZ  
ROLL PIN 5 X 30  
CAP SCREW 3/8-16 X 1  
CROSS FEED BEARING BRACKET  
KEY 3 X 3 X 25  
710  
711  
PRP05M  
PCAP14  
737  
PR09M  
EXT RETAINING RING 20MM  
CAP SCREW M6-1 X 25  
FLAT WASHER 6MM  
738 PCAP06M  
712  
713  
PSB10240712  
PK92M  
739  
740  
741  
PW03M  
PSB10240714A FRONT CROSS LEADSCREW NUT  
PSB10240736 LEADSCREW NUT BRACKET  
714A PSB10240714A CROSS FEED LEADSCREW W/NUT ASSY  
714  
715  
716  
717  
718  
719  
720  
721  
722  
PSB10240714A CROSS FEED LEADSCREW  
742  
743  
744  
745  
746  
747  
748  
749  
750  
751  
PSB10270736A LEFT LONGITUDINAL LEADSCREW NUT  
PSB10240714A REAR CROSS LEADSCREW NUT  
PSB10270736A RIGHT LONGITUDINAL LEADSCREW NUT  
PSS01  
PW07  
PSB10240717  
PSB10240718  
PSB10270719  
SET SCREW 5/16-18 X 1  
FLAT WASHER 5/16  
TRAVEL STOP  
TRAVEL STOP SHAFT  
COMPRESSION SPRING  
PSB10270745  
PSB10240741  
BEARING RETAINING RING  
POWER FEED ASSEMBLY  
PSB10240742 BEVEL GEAR BUSHING  
PSB10240743 POWER FEED BEVEL GEAR  
PSB10240744 BEVEL GEAR NUT  
PSB10270750 TABLE 9 X 48 IN  
PSB10240746 LONGITUDINAL LIMIT SWITCH ASSEMBLY  
PSB10240720 TRAVEL STOP T-NUT  
PSB10240721  
PR36M  
TRAVEL STOP FLAT WASHER 8MM  
EXT RETAINING RING 7MM  
723A PSB10240723A TABLE BALL HANDLE ASSEMBLY  
723  
724  
PSB10240723A TABLE BALL HANDLE  
PSS08M SET SCREW M4-.7 X 5  
752  
753  
PW04M  
PCAP100  
FLAT WASHER 10MM  
CAP SCREW 3/8-16 X 1/2  
-73-  
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Model SB1027  
For Machines Mfg. Since 8/09  
P A R T S  
One-Shot Oiler  
807  
806  
801  
801  
808  
803  
802  
K
K
804  
805  
Oil distributor  
B
D
G
E
A
B
C
D
E
F
G
H
C
801  
F
H
A
REF PART #  
801 PSB10240801 ELBOW JOINT M4 X 1/8 PT  
802 PSB10240802 T-JOINT  
803 PSB10240803 ONE SHOT OILER ASSEMBLY  
DESCRIPTION  
REF PART #  
805 PCAP01M  
806 PSB10240806 FLEXIBLE STEEL TUBE 4 X 500MM  
807 PCAP38M CAP SCREW M5-.8 X 25  
808 PSB10240808 OIL DISTRIBUTOR 8-PORT  
DESCRIPTION  
CAP SCREW M6-1 X 16  
804 PCAP02M  
CAP SCREW M6-1 X 20  
-74-  
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For Machines Mfg. Since 8/09  
Model SB1027  
P A R T S  
Coolant System  
912  
913  
905  
914  
908  
911  
905  
907  
910  
909  
917  
918  
901  
915  
902  
916  
903  
904  
906  
905  
REF PART #  
901 PCAP02M  
902 PW03M  
903 PSB10270903 COOLANT PUMP 1/8HP 220V 1PH 60HZ  
904 PSB10270904 BARBED HOSE FITTING 3/8 PT X 1/2 IN  
905 PSB10270905 THREADED HOSE CLAMP 3/4 IN  
906 PSB10270906 COOLANT HOSE 1/2 X 43-1/2 IN  
907 PSB10270904 BARBED HOSE FITTING 3/8 PT X 1/2 IN  
908 PSB10270908 STANDPIPE BRACKET  
DESCRIPTION  
CAP SCREW M6-1 X 20  
FLAT WASHER 6MM  
REF PART #  
DESCRIPTION  
910  
911  
PSB10270910  
PIPE ELBOW 90 DEG 3/8 X 3/8 PT  
COOLANT VALVE ASSEMBLY  
COOLANT NOZZLE 3/8 X 30 IN  
PIPE ELBOW 90 DEG 3/8 PT X 1/2 IN  
COOLANT HOSE 1/2 X 59 IN  
HOSE CLAMP 3/4 IN  
SPLASH PAN  
CAP SCREW M5-.8 X 10  
FLAT WASHER 5MM  
PSB10270911  
PSB10270912  
PSB10270913  
PSB10270914  
PSB10270915  
PSB10270916  
PCAP50M  
912  
913  
914  
915  
916  
917  
918  
909 PCAP33M  
CAP SCREW M5-.8 X 12  
PW02M  
-75-  
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Model SB1027  
For Machines Mfg. Since 8/09  
P A R T S  
Electric Box & Control Panel  
1001  
1021  
1002  
1020  
1019  
1018  
1004  
1003  
1005  
1006  
1017  
1013  
1014  
1015  
1016  
1022  
1007  
1008  
1012  
1011  
1009  
1010  
1032  
1029  
1028  
1023  
1024  
1027  
1026  
1025  
-76-  
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For Machines Mfg. Since 8/09  
Model SB1027  
P A R T S  
Electric Box & Control Panel Parts List  
REF PART #  
DESCRIPTION  
REF PART #  
DESCRIPTION  
1001 PSB10271001  
1002 PSB10271002  
1003 PSB10271003  
1004 PSB10271004  
1005 PSB10271005  
1006 PSB10271006  
1007 PSB10271007  
1008 PSB10271008  
1009 PSB10271009  
1010 PSB10271010  
ELECTRIC BOX BACKBOARD  
INVERTER YASAKAWA V1000  
FUSE HOLDER 3P  
1017 PSB10271017  
1018 PSB10271018  
1019 PSB10271019  
1020 PSB10271020  
1021 PCAP15M  
1022 PSB10271022  
1023 PSB10271023  
1024 PSB10271024  
1025 PSB10271025  
1026 PSB10271026  
1027 PSB10271027  
1028 PSB10271028  
1029 PSB10271029  
1030 PSB10271030  
1031 PSB10271031  
1032 PSB10271032  
FUSE HOLDER 4P  
TRANSFORMER YUNG-JENG A009-0392 500V  
BRAKE RESISTOR 600W 40 OHM  
ELECTRIC CABINET W/DOOR & LATCH  
CAP SCREW M5-.8 X 20  
RELAY SOCKET OMRON  
EMERGENCY STOP BUTTON  
SPINDLE MOTOR ON BUTTON  
COOLANT SWITCH  
SPINDLE DIRECTION SWITCH  
SPINDLE SPEED DIAL  
SPINDLE SPEED DISPLAY  
FUSE 20A  
CONTACTOR AB C09-400 220V  
AUX CONTACTOR AB AB-100F-A20  
RELAY OMRON MYA1 24V  
CONTACTOR AB C09-400 220V  
ELECTRICAL RECEPTACLE 110V  
COOLING FAN ASSEMBLY  
TERMINAL BLOCK 14-POST  
MAIN POWER SWITCH ASSEMBLY  
FUSE 5A  
1011  
PSB10271011  
1012 PSB10271012  
1013 PSB10271013  
1014 PSB10271014  
1015 PSB10271013  
1016 PSB10271016  
CONTROL PANEL FRONT PLATE  
CONTROL PANEL BOX ASSEMBLY (NOT SHOWN)  
CONTROL PANEL ARM ASSEMBLY (NOT SHOWN)  
TERMINAL BLOCK 4-POST  
FUSE 2A  
FUSE 5A  
FUSE 1A  
-77-  
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Model SB1027  
For Machines Mfg. Since 8/09  
P A R T S  
Tools  
1101  
1106  
1107  
1104  
1103  
1105  
1102  
REF PART #  
DESCRIPTION  
REF PART #  
DESCRIPTION  
1101  
PSB10241004  
TOOLBOX  
SCREWDRIVER FLAT #2  
PHLP HD SCREWDRIVER #2  
WRENCH 12/14MM  
1105 PWR1921C  
1106 PAW1510M  
1107 PSB10241007  
CLOSED WRENCH 19/21MM  
HEX WRENCH 10PC 1.5-10 MM  
BOTTLE FOR OIL  
1102 PSDF2  
1103 PSDP2  
1104 PWR1214  
-78-  
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For Machines Mfg. Since 8/09  
Model SB1027  
P A R T S  
Machine Labels A  
1206  
1204  
1203  
1205  
1207  
1202  
1201  
1208  
1209  
1210  
1211  
1212  
1216  
1215  
1213  
1214  
REF PART #  
1201 PSBLABEL08HL ENTANGLEMENT HAZARD LABEL  
1202 PSB10271202 LUBRICATION DIRECTION LABEL  
DESCRIPTION  
REF PART #  
1209 PSBLABEL02HL DISCONNECT WARNING LABEL  
1210 PSBLABEL13HL CLOSE DOOR WARNING LABEL  
DESCRIPTION  
1203 PSBLABEL03HL EYE INJURY HAZARD LABEL  
1204 PSBLABEL01HL READ MANUAL LABEL  
1211  
1212  
PSB10241113  
PSB10241114  
RAPID FEED LABEL  
POWER FEED CONTROL PANEL LABEL  
MODEL NUMBER LABEL  
SB DARK BLUE TOUCH-UP PAINT  
SB LIGHT BLUE TOUCH-UP PAINT  
SB GRAY TOUCH-UP PAINT  
1205 PSB10271205  
1206 PSB10271206  
1207 PSB10271207  
1208 PSB10241105  
TRAINED PERSONNEL NOTICE LABEL  
MACHINE ID LABEL  
CONTROL PANEL LABEL  
DOWNFEED SELECTOR LABEL  
1213 PSB10271213  
1214 PSBPAINT03  
1215 PSBPAINT 02  
1216 PSBPAINT01  
The safety labels provided with your machine are used to make the operator aware of the  
machine hazards and ways to prevent injury. The owner of this machine MUST maintain the  
original location and readability of these safety labels. If any label is removed or becomes  
unreadable, REPLACE that label before using the machine again. Contact South Bend Lathe Co. at  
-79-  
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Model SB1027  
For Machines Mfg. Since 8/09  
P A R T S  
Machine Labels B  
1220  
1210  
1219  
1209  
1218  
1221  
1217  
1222  
1223  
1224  
REF PART #  
1209 PSBLABEL02HL DISCONNECT WARNING LABEL  
1210 PSBLABEL13HL CLOSE DOOR WARNING LABEL  
DESCRIPTION  
REF PART #  
1220 PSB10271220  
1221 PSB10271221  
DESCRIPTION  
SPEED RANGE LABEL  
220V 1PH LABEL  
1217  
PSB10241112  
POWER FEED CAUTION LABEL  
POWER FEED NOTICE LABEL  
110V 1PH LABEL  
1222 PSB10271222  
1223 PSB10241119  
1224 PSB10241118  
BIOHAZARD WARNING LABEL  
110V OUTLET CAUTION LABEL  
110V 1PH OUTLET LABEL  
1218 PSB10241115  
1219 PSB10241116  
-80-  
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W A R R A N T Y  
This quality product is warranted by South Bend Lathe Company to the original buyer for one year  
from the date of purchase. This warranty does not apply to consumable parts, or defects due to any  
kind of misuse, abuse, negligence, accidents, repairs, alterations or lack of maintenance. We do not  
reimburse for third party repairs. In no event shall we be liable for death, injuries to persons or  
property, or for incidental, contingent, special or consequential damages arising from the use of our  
products.  
We do not warrant or represent that this machine complies with the provisions of any law, act, code,  
regulation, or standard of any domestic or foreign government, industry, or authority. In no event  
shall South Bend’s liability under this warranty exceed the original purchase price paid for this  
machine. Any legal actions brought against South Bend Lathe Company shall be tried in the State of  
Washington, County of Whatcom.  
This is the sole written warranty for this machine. Any and all warranties that may be implied by  
law, including any merchantability or fitness, for any purpose, are hereby limited to the duration of  
this warranty. To take advantage of this warranty, contact us by mail or phone to give us the details  
of the problem you are having.  
Thank you for your business and continued support.  
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South Bend Lathe Co.  
P.O. Box 2027  
Bellingham, WA 98227  
PHONE: (360) 734-1540 (Administrative Offices)  
FAX: (360) 676-1075 (International)  
FAX: (360) 734-1639 (USA only)  
southbendlathe.com  
Printed In Taiwan  
#JBTS12256  
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