MODEL G8144Z/G8145Z/G8146Z
VARIABLE SPEED
VERTICAL METAL CUTTING
BANDSAW
OWNER'S MANUAL
Copyright © JANUAry, 2008 By grizzly iNdUstriAl, iNC., rEVisEd JUNE, 2011 (ts)
WARNING: NO PORTION Of ThIS MANUAL MAy BE REPRODUCED IN ANy ShAPE
OR fORM WIThOUT ThE WRITTEN APPROVAL Of GRIZZLy INDUSTRIAL, INC.
(For ModEls MANUFACtUrEd siNCE 6/11) #ts10085 priNtEd iN tAiWAN
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Table of Contents
INTRODUCTION............................................... 2
SECTION 5: ACCESSORIES......................... 36
Foreword........................................................ 2
Contact info.................................................... 2
g8144z Machine data sheet ........................ 3
g8145z Machine data sheet ........................ 5
g8146z Machine data sheet ........................ 7
Model g8144z/g8145z Basic identification. . 9
Model g8146z Basic identification.............. 10
Control panel identification.......................... 11
SECTION 6: MAINTENANCE......................... 37
schedule...................................................... 37
Cleaning....................................................... 37
redressing rubber tires............................. 37
lubrication ................................................... 38
SECTION 7: SERVICE ................................... 39
troubleshooting ........................................... 39
V-Belt pulley Alignment ............................... 41
tensioning/replacing V-Belts...................... 41
Wheel Alignment.......................................... 42
Aligning table to Blade............................... 44
Blade guides/support.................................. 45
g8144z/g8145z Control panel &
SECTION 1: SAfETy..................................... 12
safety instructions for Machinery ................ 12
safety instructions for
Metal Cutting Bandsaws.............................. 14
SECTION 2: CIRCUIT REQUIREMENTS ...... 15
220V operation............................................ 15
inverter Wiring diagram............................... 46
g8144z/g8145z Electrical Components..... 47
g8146z Electrical &
Control Wiring diagram ............................... 48
g8146z inverter Wiring diagram................. 49
g8146z Electrical Components................... 50
Motor Wiring diagram.................................. 51
Welding station Wiring diagram.................. 52
SECTION 3: SETUP ....................................... 16
setup safety ................................................ 16
items Needed for setup............................... 16
Unpacking.................................................... 16
Clean Up...................................................... 17
site Considerations...................................... 17
Mounting to shop Floor ............................... 18
Moving & placing......................................... 18
test run ...................................................... 19
SECTION 8: PARTS....................................... 53
g8144z Cabinet........................................... 53
g8144z table & guides.............................. 54
g8144z drive system ................................. 55
g8145z Cabinet........................................... 56
g8145z table & guides.............................. 57
g8145z drive system ................................. 58
g8146z Cabinet........................................... 59
g8146z table & lower guide..................... 60
g8146z Motor & lower Wheel.................... 61
g8146z guide post..................................... 62
g8146z Upper Wheel.................................. 63
Welder station ............................................. 64
label placement .......................................... 66
SECTION 4: OPERATIONS ........................... 21
operation safety.......................................... 21
Basic Controls.............................................. 21
Blade selection............................................ 23
Blade Breakage ........................................... 26
Blade Care & Break-in................................. 26
Chip inspection Chart .................................. 27
Cutting overview.......................................... 28
Blade Changes ............................................ 28
Blade tensioning ......................................... 29
guide post ................................................... 30
Adjusting Blade guides ............................... 31
Adjusting table tilt ...................................... 32
Blade Welding.............................................. 33
WARRANTy AND RETURNS ........................ 69
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INTRODUCTION
Contact Info
foreword
if you have any comments regarding this manual,
please write to us at the address below:
We are proud to offer the Model g8144z/g8145z/
g8146z Variable speed Vertical Metal Cutting
Bandsaw. this machine is part of a growing
grizzly family of fine metalworking machinery.
When used according to the guidelines set forth in
this manual, you can expect years of trouble-free,
enjoyable operation and proof of grizzly’s commit-
ment to customer satisfaction.
grizzly industrial, inc.
technical documentation Manager
p.o. Box 2069
C
/o
Bellingham, WA 98227-2069
Email: manuals@grizzly.com
We stand behind our machines. if you have any
service questions or parts requests, please call or
write us at the location listed below.
the specifications, drawings, and photographs
illustrated in this manual represent the Model
g8144z/g8145z/g8146z when the manual was
prepared. however, owing to grizzly’s policy of
continuous improvement, changes may be made
at any time with no obligation on the part of
grizzly.
grizzly industrial, inc.
1203 lycoming Mall Circle
Muncy, pA 17756
phone: (570) 546-9663
Fax: (800) 438-5901
E-Mail: techsupport@grizzly.com
Web site: http://www.grizzly.com
For your convenience, we always keep current
grizzly manuals available on our website at
will be reflected in these manuals as soon as they
are complete. Visit our site often to check for the
latest updates to this manual!
g8144z/g8145z/g8146z
(Manufactured since 6/11)
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G8144Z Machine Data Sheet
MACHINE DATA
SHEET
Customer Service #: (570) 546-9663 · To Order Call: (800) 523-4777 · Fax #: (800) 438-5901
MODEL G8144Z 12" VS VERTICAL METAL-CUTTING
BANDSAW WITH INVERTER
Product Dimensions:
Weight.............................................................................................................................................................. 495 lbs.
Width (side-to-side) x Depth (front-to-back) x Height.................................................... 33-7/16 x 21-1/4 x 59-7/16 in.
Footprint (Length x Width)..................................................................................................................... 28-5/8 x 15 in.
Shipping Dimensions:
Type............................................................................................................................................... Wood & Cardboard
Content........................................................................................................................................................... Machine
Weight.............................................................................................................................................................. 566 lbs.
Length x Width x Height....................................................................................................................... 33 x 24 x 68 in.
Electrical:
Power Requirement........................................................................................................... 220V, Single-Phase, 60 Hz
Minimum Circuit Size........................................................................................................................................ 15 amp
Switch......................................................................................................................................... ON/OFF Push Button
Switch Voltage..................................................................................................................................................... 220V
Cord Length...................................................................................................................................................... 6-1/2 ft.
Cord Gauge................................................................................................................................................... 14 guage
Plug Included........................................................................................................................................................... No
Motors:
Grinder
Type............................................................................................................................................................ ODP
Horsepower............................................................................................................................................. 1/8 HP
Voltage....................................................................................................................................................... 220V
Phase....................................................................................................................................................... Single
Amps........................................................................................................................................................... 0.6A
Speed................................................................................................................................................ 3450 RPM
Cycle......................................................................................................................................................... 60 Hz
Number of Speeds............................................................................................................................................ 1
Power Transfer ............................................................................................................................... Direct Drive
Bearings......................................................................................................................... Sealed and Lubricated
Bandsaw
Type.................................................................................................................. TEFC Capacitor Start Induction
Horsepower................................................................................................................................................ 1 HP
Voltage....................................................................................................................................................... 220V
Phase........................................................................................................................................................ Three
Amps........................................................................................................................................................... 3.3A
Speed................................................................................................................................................ 1725 RPM
Cycle......................................................................................................................................................... 60 Hz
Number of Speeds............................................................................................................................................ 1
Power Transfer .................................................................................................................................. Belt Drive
Bearings................................................................................................. Shielded and Permanently Lubricated
The information contained herein is deemed accurate as of 6/24/2011 and represents our most recent product specifications.
Due to our ongoing improvement efforts, this information may not accurately describe items previously purchased.
Model G8144Z
PAGE 1 OF 2
g8144z ds
g8144z/g8145z/g8146z
(Manufactured since 6/11)
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Main Specifications:
Operation Info
Blade Speeds........................................................................................................................... 104 - 1300 FPM
Std. Blade Length................................................................................................................... 94-1/4 - 98-1/4 in.
Blade Size Range............................................................................................................................. 1/8 - 3/8 in.
Cutting Capacities
Cutting Height........................................................................................................................................ 5-1/8 in.
Cutting Capacity Left of Blade........................................................................................................... 12-3/16 in.
Construction
Table....................................................................................................................... Precision Ground Cast Iron
Upper Wheel............................................................................................................... Fully-Balanced Cast Iron
Lower Wheel............................................................................................................... Fully-Balanced Cast Iron
Tire.......................................................................................................................................................... Rubber
Body..................................................................................................................................................... Cast Iron
Base......................................................................................................................................... Pre-formed Stee
Wheel Cover............................................................................................................................ Pre-formed Steel
Paint........................................................................................................................................... Powder Coated
Other
Wheel Size................................................................................................................................................. 12 in.
Blade Guides Upper................................................................................................................... Tungsten Steel
Blade Guides Lower................................................................................................................... Tungsten Steel
Electric Blade Welder.................................................................................................................. 220V, 1.2 KVA
Blade Welding Station Voltage................................................................................................................... 220V
Annealing Voltage...................................................................................................................................... 220V
Mobile Base........................................................................................................................................... G7314Z
Table Info
Table Tilt.......................................................................................................................... Left 15, Right 45 deg.
Table Size Length................................................................................................................................ 22-1/8 in.
Table Size Width................................................................................................................................. 18-1/8 in.
Table Size Thickness............................................................................................................................ 1-5/8 in.
Floor To Cutting Area Height............................................................................................................... 34-5/8 in.
Other Specifications:
Country Of Origin ............................................................................................................................................. Taiwan
Warranty ........................................................................................................................................................... 1 Year
Serial Number Location ............................................................................................... ID Tag on Upper Wheel Cover
Assembly Time ........................................................................................................................................... 60 minutes
Features:
Station for Joining Blade Ends
Includes Cut-Off Blades, Electric Welder w/Clamp, Annealer and Grinder
Variable Cutting Speeds w/Digital Read-Out
Lower Wheel Cleaning Brush
Work Light
The information contained herein is deemed accurate as of 6/24/2011 and represents our most recent product specifications.
Due to our ongoing improvement efforts, this information may not accurately describe items previously purchased.
Model G8144Z
PAGE 2 OF 2
g8144z/g8145z/g8146z
(Manufactured since 6/11)
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G8145Z Machine Data Sheet
MACHINE DATA
SHEET
Customer Service #: (570) 546-9663 · To Order Call: (800) 523-4777 · Fax #: (800) 438-5901
MODEL G8145Z 14-1/8" VS VERTICAL METAL-CUTTING
BANDSAW WITH INVERTER
Product Dimensions:
Weight.............................................................................................................................................................. 660 lbs.
Width (side-to-side) x Depth (front-to-back) x Height............................................................... 37 x 15-1/8 x 62-5/8 in.
Footprint (Length x Width)..................................................................................................................... 28 x 16-1/2 in.
Shipping Dimensions:
Type........................................................................................................................................... Wood and Cardboard
Content........................................................................................................................................................... Machine
Weight.............................................................................................................................................................. 774 lbs.
Length x Width x Height....................................................................................................................... 33 x 24 x 76 in.
Electrical:
Power Requirement........................................................................................................... 220V, Single-Phase, 60 Hz
Minimum Circuit Size........................................................................................................................................ 15 amp
Switch......................................................................................................................................... ON/OFF Push Button
Switch Voltage..................................................................................................................................................... 220V
Cord Length...................................................................................................................................................... 6-1/2 ft.
Cord Gauge................................................................................................................................................... 14 guage
Plug Included........................................................................................................................................................... No
Motors:
Grinder
Type............................................................................................................................................................ ODP
Horsepower............................................................................................................................................. 1/8 HP
Voltage....................................................................................................................................................... 110V
Phase....................................................................................................................................................... Single
Amps........................................................................................................................................................... 0.6A
Speed................................................................................................................................................ 3450 RPM
Cycle......................................................................................................................................................... 60 Hz
Number of Speeds............................................................................................................................................ 1
Power Transfer ............................................................................................................................... Direct Drive
Bearings......................................................................................................................... Sealed and Lubricated
Bandsaw
Type.................................................................................................................. TEFC Capacitor Start Induction
Horsepower.......................................................................................................................................... 1-1/2 HP
Voltage....................................................................................................................................................... 220V
Phase........................................................................................................................................................ Three
Amps........................................................................................................................................................... 5.1A
Speed................................................................................................................................................ 1725 RPM
Cycle......................................................................................................................................................... 60 Hz
Number of Speeds............................................................................................................................................ 1
Power Transfer .................................................................................................................................. Belt Drive
Bearings................................................................................................. Shielded and Permanently Lubricated
The information contained herein is deemed accurate as of 6/24/2011 and represents our most recent product specifications.
Due to our ongoing improvement efforts, this information may not accurately describe items previously purchased.
Model G8145Z
PAGE 1 OF 2
g8145z ds
g8144z/g8145z/g8146z
(Manufactured since 6/11)
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Main Specifications:
Operation Info
Blade Speeds........................................................................................................................... 108 - 1800 FPM
Std. Blade Length........................................................................................................................... 105 - 110 in.
Blade Size Range............................................................................................................................. 1/8 - 1/2 in.
Cutting Capacities
Cutting Height........................................................................................................................................ 7-1/2 in.
Cutting Capacity Left of Blade........................................................................................................... 14-3/16 in.
Construction
Table....................................................................................................................... Precision Ground Cast Iron
Upper Wheel............................................................................................................... Fully-Balanced Cast Iron
Lower Wheel............................................................................................................... Fully-Balanced Cast Iron
Tire.......................................................................................................................................................... Rubber
Body..................................................................................................................................................... Cast Iron
Base......................................................................................................................................... Pre-formed Stee
Wheel Cover............................................................................................................................ Pre-formed Steel
Paint........................................................................................................................................... Powder Coated
Other
Wheel Size................................................................................................................................................. 14 in.
Blade Guides Upper................................................................................................................... Tungsten Steel
Blade Guides Lower................................................................................................................... Tungsten Steel
Electric Blade Welder.................................................................................................................. 110V, 2.0 KVA
Blade Welding Station Voltage................................................................................................................... 110V
Annealing Voltage...................................................................................................................................... 110V
Mobile Base........................................................................................................................................... G7314Z
Table Info
Table Tilt.......................................................................................................................... Left 15, Right 45 deg.
Table Size Length.............................................................................................................................. 21-5/16 in.
Table Size Width................................................................................................................................. 19-3/4 in.
Table Size Thickness................................................................................................................................... 2 in.
Floor To Cutting Area Height..................................................................................................................... 35 in.
Other Specifications:
Country Of Origin ............................................................................................................................................. Taiwan
Warranty ........................................................................................................................................................... 1 Year
Serial Number Location ............................................................................................... ID Tag on Upper Wheel Cover
Assembly Time ........................................................................................................................................... 60 minutes
Features:
Station for Joining Blade Ends
Includes Cut-Off Blades, Electric Welder w/Clamp, Annealer and Grinder
Variable Cutting Speed w/Digital Read-Out
Lower Wheel Cleaning Brush
Work Light
g8144z/g8145z/g8146z
(Manufactured since 6/11)
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G8146Z Machine Data Sheet
MACHINE DATA
SHEET
Customer Service #: (570) 546-9663 · To Order Call: (800) 523-4777 · Fax #: (800) 438-5901
MODEL G8146Z 15-3/4" VS VERTICAL METAL-CUTTING
BANDSAW WITH INVERTER
Product Dimensions:
Weight.............................................................................................................................................................. 914 lbs.
Width (side-to-side) x Depth (front-to-back) x Height........................................................ 36-3/8 x 19-1/8 x 17-7/8 in.
Footprint (Length x Width)............................................................................................................. 40-1/8 x 27-9/16 in.
Shipping Dimensions:
Type........................................................................................................................................... Wood and Cardboard
Content........................................................................................................................................................... Machine
Weight............................................................................................................................................................ 1020 lbs.
Length x Width x Height..................................................................................................... 41-3/4 x 31-1/2 x 79-3/4 in.
Electrical:
Power Requirement........................................................................................................... 220V, Single-Phase, 60 Hz
Minimum Circuit Size........................................................................................................................................ 15 amp
Switch..................................................................................................... ON/OFF Push Button w/Safety Lockout Key
Switch Voltage..................................................................................................................................................... 220V
Cord Length...................................................................................................................................................... 6-1/2 ft.
Cord Gauge................................................................................................................................................... 14 guage
Plug Included........................................................................................................................................................... No
Motors:
Grinder
Type............................................................................................................................................................ ODP
Horsepower............................................................................................................................................. 1/8 HP
Voltage....................................................................................................................................................... 220V
Phase.......................................................................................................................................................... Split
Amps........................................................................................................................................................... 0.6A
Speed................................................................................................................................................ 3450 RPM
Cycle......................................................................................................................................................... 60 Hz
Number of Speeds............................................................................................................................................ 1
Power Transfer ............................................................................................................................... Direct Drive
Bearings......................................................................................................................... Sealed and Lubricated
Bandsaw
Type.......................................................................................................................................................... TEFC
Horsepower................................................................................................................................................ 2 HP
Voltage....................................................................................................................................................... 220V
Phase........................................................................................................................................................ Three
Amps........................................................................................................................................................... 6.6A
Speed................................................................................................................................................ 1725 RPM
Cycle......................................................................................................................................................... 60 Hz
Number of Speeds............................................................................................................................................ 1
Power Transfer .................................................................................................................................. Belt Drive
Bearings................................................................................................. Shielded and Permanently Lubricated
The information contained herein is deemed accurate as of 6/24/2011 and represents our most recent product specifications.
Due to our ongoing improvement efforts, this information may not accurately describe items previously purchased.
Model G8146Z
PAGE 1 OF 2
g8146z ds
g8144z/g8145z/g8146z
(Manufactured since 6/11)
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Main Specifications:
Operation Info
Blade Speeds........................................................................................................................... 105 - 2100 FPM
Std. Blade Length........................................................................................................................... 133 - 136 in.
Blade Size Range............................................................................................................................. 1/8 - 3/4 in.
Cutting Capacities
Cutting Height...................................................................................................................................... 10-1/4 in.
Cutting Capacity Left of Blade............................................................................................................. 15-3/4 in.
Construction
Table....................................................................................................................... Precision Ground Cast Iron
Upper Wheel............................................................................................................... Fully-Balanced Cast Iron
Lower Wheel............................................................................................................... Fully-Balanced Cast Iron
Tire.......................................................................................................................................................... Rubber
Body..................................................................................................................................................... Cast Iron
Base........................................................................................................................................ Pre-formed Steel
Wheel Cover............................................................................................................................ Pre-formed Steel
Paint........................................................................................................................................... Powder Coated
Other
Wheel Size................................................................................................................................................. 16 in.
Blade Guides Upper................................................................................................................... Tungsten Steel
Blade Guides Lower................................................................................................................... Tungsten Steel
Electric Blade Welder.................................................................................................................. 220V, 4.2 KVA
Blade Welding Station Voltage................................................................................................................... 220V
Annealing Voltage...................................................................................................................................... 220V
Mobile Base........................................................................................................................................... G7315Z
Table Info
Table Tilt.......................................................................................................................... Left 15, Right 45 deg.
Table Size Length................................................................................................................................ 23-5/8 in.
Table Size Width............................................................................................................................. 21-11/16 in.
Table Size Thickness................................................................................................................................... 2 in.
Floor To Cutting Area Height..................................................................................................................... 38 in.
Other Specifications:
Country Of Origin ............................................................................................................................................. Taiwan
Warranty ........................................................................................................................................................... 1 Year
Serial Number Location ............................................................................................... ID Tag on Upper Wheel Cover
Assembly Time ........................................................................................................................................... 60 minutes
Features:
Station for Joining Blade Ends
Includes Cut-Off Blades
Includes Electric Welder w/Clamp, Annealer and Grinder
Variable Cutting Speeds w/Digital Read-Out
Lower Wheel Cleaning Brush
Work Light
g8144z/g8145z/g8146z
(Manufactured since 6/11)
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Model G8144Z/G8145Z Basic Identification
A
B
C
N
F
d
M
E
g
h
i
l
J
K
figure 1. Model g8144z/g8145z basic identification.
A. Blade tensioning handwheel
B. Upper Wheel door
C. Work light (220V)
D. Blade post lock Knob
E. Air hose & Jet
f. Blade guard
G. Upper Blade guide Assembly
h. table
I. lower Blade guide Assembly
J. lower Wheel door
K. Machine Mounting Flange
L. Bandsaw start/stop switch
M. Blade Welding station
N. Blade shear
g8144z/g8145z/g8146z
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Model G8146Z Basic Identification
B
A
d
C
E
F
g
o
N
M
Q
l
h
i
p
K
J
Front View
rear View
figure 2. Model g8146z basic identification.
A. Blade shear
J. Machine Mounting Flange
K. lower Wheel door
L. lower Blade guide Assembly
M. table
N. Upper Blade guide Assembly
O. Blade post
B. Upper Wheel door
C. guide post Elevation handwheel
D. guide post lock Knob
E. Work light (220V)
f. Air hose & Jet
G. Blade tension handwheel
h. table tilt scale
P. Bandsaw power Control panel
Q. Blade Welding station
I. Motor Access panel
g8144z/g8145z/g8146z
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Control Panel Identification
A
B
figure 4. Model g8144z/g8145z power switch.
C
d
E
J
K
F
l
M
figure 5. Model g8146z power control panel.
Model G8146Z only:
J. power switch & Key
K. power lamp
L. Emergency stop Button
M. Bandsaw start Button
g
h
i
figure 3. Control panel identification.
A. digital speed display (FpM)
B. Variable speed Control
C. Welding oN Button
D. Annealing oN Button
E. Clamping pressure dial
f. Welder Jaws
G. Welding Jaw lock levers
h. grinding Wheel oN/oFF switch
I. grinding Wheel
g8144z/g8145z/g8146z
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SECTION 1: SAFETY
For Your Own Safety, Read Instruction
Manual Before Operating this Machine
The purpose of safety symbols is to attract your attention to possible hazardous conditions. This
manual uses a series of symbols and signal words intended to convey the level of importance
of the safety messages. The progression of symbols is described below. Remember that safety
messages by themselves do not eliminate danger and are not a substitute for proper accident
prevention measures.
Indicates an imminently hazardous situation which, if not avoided,
WILL result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
COULD result in death or serious injury.
Indicates a potentially hazardous situation which, if not avoided,
MAY result in minor or moderate injury. It may also be used to alert
against unsafe practices.
This symbol is used to alert the user to useful information about
proper operation of the machine.
NOTICE
Safety Instructions for Machinery
Safety Instructions for Machinery
OWNER’S MANUAL. Read and understand
this owner’s manual BEFORE using machine.
Untrained users can be seriously hurt.
WEARING PROPER APPAREL. Do not wear
clothing, apparel, or jewelry that can become
entangled in moving parts. Always tie back or
cover long hair. Wear non-slip footwear to avoid
accidental slips which could cause a loss of
workpiece control.
EYE PROTECTION. Always wear ANSI-
approved safety glasses or a face shield when
operating or observing machinery. to reduce
the risk of eye injury or blindness from fly-
ing particles Everyday eyeglasses are not
approved safety glasses.
HEARING PROTECTION. Always wear hear-
ing protection when operating or observiing loud
machinery. Extended exposure to this noise
without hearing protection can cause permanent
hearing loss.
HAzARDOUS DUST. Dust created while using
machinery may cause cancer, birth defects,
or long-term respiratory damage. Be aware of
dust hazards associated with each workpiece
material, and always wear a NIOSH-approved
respirator to reduce your risk.
MENTAL ALERTNESS. Be mentally alert when
running machinery. Never operate under the
influence of drugs or alcohol, when tired, or when
distracted.
g8144z/g8145z/g8146z
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Safety Instructions for Machinery
DISCONNECTING POWER SUPPLY. Always
APPROVED OPERATION. Untrained operators
can be seriously hurt by machinery. Only allow
trained or properly supervised people to use
machine. When machine is not being used, dis-
connect power, remove switch keys, or lock-out
machine to prevent unauthorized use—especially
around children. Make workshop kid proof!
disconnect machine from power supply before
servicing, adjusting, or changing cutting tools
(bits, blades, cutters, etc.). Make sure switch is
in OFF position before reconnecting to avoid an
unexpected or unintentional start.
INTENDED USE. Only use the machine for its
intended purpose and only use recommended
accessories. Never stand on machine, modify
it for an alternative use, or outfit it with non-
approved accessories.
CHILDREN & BYSTANDERS. Keep children
and bystanders a safe distance away from work
area. Stop using machine if children or bystand-
ers become a distraction.
STABLE MACHINE. Unexpected movement
during operations greatly increases the risk of
injury and loss of control. Verify machines are
stable/secure and mobile bases (if used) are
locked before starting.
FEED DIRECTION. Unless otherwise noted, feed
work against the rotation of blades or cutters.
Feeding in the same direction of rotation may pull
your hand into the cut.
SECURING WORKPIECE. When required, use
clamps or vises to secure workpiece. A secured
workpiece protects hands and frees both of them
to operate the machine.
FORCINGMACHINERY.Donotforcemachine.
It will do the job safer and better at the rate for
which it was designed.
UNATTENDED OPERATION. Never leave
machine running while unattended. Turn machine
Off and ensure all moving parts completely stop
before walking away.
GUARDS & COVERS. Guards and covers can
protect you from accidental contact with mov-
ing parts or flying debris. Make sure they are
properly installed, undamaged, and working
correctly before using machine.
MAINTENANCE & INSPECTION. A machine that
is not properly maintained may operate unpre-
dictably. Follow all maintenance instructions and
lubrication schedules to keep machine in good
working condition. Regularly inspect machine for
loose bolts, alignment of critical parts, binding, or
any other conditions that may affect safe opera-
tion. Always repair or replace damaged or mis-
adjusted parts before operating machine.
REMOVING TOOLS. Never leave adjustment
tools, chuck keys, wrenches, etc. in or on
machine—especially near moving parts. Verify
removal before starting!
AWKWARD POSITIONS. Keep proper foot-
ing and balance at all times when operating
machine. Do not overreach! Avoid awkward
hand positions that make workpiece control dif-
ficult or increase the risk of accidental injury.
EXPERIENCING DIFFICULTIES. If at any time
you are experiencing difficulties performing the
intended operation, stop using the machine!
Contact our Technical Support Department at
(570) 546-9663.
DANGEROUS ENVIRONMENTS. Do not use
machinery in wet locations, cluttered areas,
around flammables, or in poorly-lit areas. Keep
work area clean, dry, and well lighted to mini-
mize risk of injury.
g8144z/g8145z/g8146z
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Safety Instructions for Metal Cutting
Bandsaws
1. BLADE CONDITION. do not operate with
dull, cracked or badly worn blade that can
break during operation or decrease the per-
formance of the bandsaw. inspect blades
for cracks and missing teeth before each
use.
7. CUTTING fLUID SAfETy. Cutting fluids
are poisonous. Always follow manufactur-
er’s cutting-fluid safety instructions. pay
particular attention to contact, contamina-
tion, inhalation, storage and disposal warn-
ings. spilled cutting fluid invites slipping
hazards.
2. BLADE REPLACEMENT. Wear gloves to
protect hands and safety glasses to pro-
tect eyes when replacing the blade. When
replacing blades, make sure teeth face
forward and down toward the table in the
direction of blade travel.
8. ENTANGLEMENT hAZARDS. Always
keep the blade guard correctly positioned
and wheel doors closed and secured when
bandsaw is in operation. loose clothing,
jewelry, long hair and work gloves can be
drawn into working parts.
3. WORKPIECE hANDLING. your hands can
be drawn into the blade during operation if
the workpiece moves unexpectedly. Always
keep your hands a safe distance away from
the moving blade.
9. MAINTENANCE/SERVICE. All inspections,
adjustments, and maintenance are to be
done with the power OFF and the plug
pulled from the outlet. Wait for all moving
parts to come to a complete stop.
4. fIRE hAZARD. Use EXtrEME CAUtioN
if cutting magnesium. Using the wrong cut-
ting fluid will lead to chip fire and possible
explosion.
10. UNSTABLE WORKPIECES. Workpieces
that cannot be supported or stabilized with-
out a vise or jig should not be cut on a verti-
cal metal-cutting bandsaw, because they
can unexpectedly move while cutting and
draw the operator's hands into the blade
causing serious personal injury. Examples
are chains, cables, round or oblong-shaped
workpieces, workpieces with internal or
built-in moving or rotations parts, etc.
5. WELDING AND GRINDING SAfETy. the
welding station represents a serious hazard.
do Not touch any metal parts of the blade,
welder, or machine when activating the
welder. Keep your hands a safe distance
away from the grinding wheel when in use.
11. EXPERIENCING DIffICULTy. if at any
time you are experiencing difficulties per-
forming the intended operation, stop using
the machine! Contact our technical support
department at (570) 546-9663.
6. hOT SURfACES. Be aware that touch-
ing hot workpieces or chips after welding,
grinding, or cutting can cause burns.
No list of safety guidelines can be complete. Every shop environment is different. Always con-
sider safety first, as it applies to your individual working conditions. Use this and other machin-
ery with caution and respect. failure to do so could result in serious personal injury, damage to
equipment, or poor work results.
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SECTION 2: CIRCUIT REQUIREMENTS
Power Connection Device
220V Operation
the type of plug required to connect your machine
to power depends on the type of service you cur-
rently have or plan to install. We recommend
using the plug shown in figure 6.
Serious personal injury could occur if you
connect the machine to power before com-
pleting the setup process. DO NOT connect
the machine to the power until instructed
later in this manual.
GROUNDED
6-15 RECEPTACLE
Current Carrying Prongs
6-15 PLUG
Electrocution or fire could
result if machine is not
Grounding Prong
grounded and installed in
compliance with electrical
codes. Compliance MUST
be verified by a qualified
electrician!
figure 6. NEMA 6-15 plug and receptacle.
Extension Cords
Using extension cords may reduce the life of the
motor. instead, place the machine near a power
source. if you must use an extension cord:
full Load Amperage Draw
g8144z Motor draw at 220V...................5 Amps
g8145z Motor draw at 220V...................6 Amps
g8146z Motor draw at 220V...................7 Amps
•
•
•
Use at least a 14 gauge cord that does not
exceed 50 feet in length!
the extension cord must also have a ground
wire and plug pin.
Circuit Requirements
you MUst connect your machine to a grounded
circuit that is rated for the amperage given below.
Never replace a circuit breaker on an existing cir-
cuit with one of higher amperage without consult-
ing a qualified electrician to ensure compliance
with wiring codes. If you are unsure about the
wiring codes in your area or you plan to con-
nect your machine to a shared circuit, consult
a qualified electrician.
A qualified electrician MUst size cords over
50 feet long to prevent motor damage.
Minimum 220V Circuit (All Models).......15 Amps
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SECTION 3: SETUP
Items Needed for
Setup Safety
Setup
the following items are needed to complete the
setup process, but are not included with your
machine:
This machine presents
serious injury hazards
to untrained users. Read
through this entire manu-
al to become familiar with
the controls and opera-
tions before starting the
machine!
Description
Qty
•
•
•
Assistants ................................................... 2
safety glasses (for each person) .............. 1
lifting straps (rated for 1000 lbs.)
................................................... As Needed
Forklift (rated for 1000 lbs.)........................ 1
Floor Mounting hardware........... As Needed
•
•
Wear safety glasses or
a face shield during the
entire setup process!
Unpacking
your machine was carefully packaged for safe
transportation. remove the packaging materials
from around your machine and inspect it. if you
discover the machine is damaged, please imme-
diately call Customer Service at (570) 546-9663
for advice.
This machine and its com-
ponents are very heavy.
Get lifting help and use
power lifting equipment
such as a forklift to move
heavy items.
save the containers and all packing materials for
possible inspection by the carrier or its agent.
Otherwise, filing a freight claim can be difficult.
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Clean Up
Site Considerations
the unpainted surfaces are coated with a waxy
oil to prevent corrosion during shipment. remove
this protective coating with a solvent cleaner or
citrus-based degreaser such as grizzly’s g7895
Citrus degreaser. to clean thoroughly, some parts
must be removed. for optimum performance
from your machine, clean all moving parts or
sliding contact 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.
floor Load
refer to the Machine Data Sheet (starting on
Page 3) for the weight and footprint specifications
of your machine. some floors may require addi-
tional reinforcement to support both the machine
and operator.
Placement Location
Consider existing and anticipated needs, size of
material to be processed through each machine,
and space for auxiliary stands, work tables or
other machinery when establishing a location for
your new machine. see figures 8–9 for the mini-
mum working clearances.
Gasoline and petroleum
products have low flash
points and can explode
or cause fire if used to
clean machinery. DO
NOT use these products
to clean the machinery.
C
B
D
A
Many cleaning solvents
are toxic if inhaled.
Minimize your risk by only
using these products in a
well ventilated area.
figure 8. Minimum horizontal working clear-
ances (top view).
G2544—Solvent Cleaner & Degreaser
A great product for removing the waxy shipping
grease from your machine during clean up.
A
B
337⁄16"
C
15"
D
285⁄16"
1
G8144Z
21 ⁄4
"
G8145Z 151⁄8
G8146Z 191⁄8
"
"
37"
363⁄8
161⁄2
"
279⁄16"
28"
401⁄8
"
"
figure 9. Minimum working clearance
dimensions.
figure 7. Cleaner/degreaser available from
grizzly.
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Mounting to Shop
Moving & Placing
floor
the bandsaw center of gravity is above the middle
of the machine. Although not required, we strong-
ly recommend that you mount your new machine
to the floor to prevent tipping. Because this is an
optional step and floor materials may vary, floor
mounting hardware is not included.
This bandsaw is a heavy
machine. Serious per-
sonal injury may occur if
safe moving methods are
not used. To be safe, get
assistance and use power
equipment rated for over
1000 lbs. to move the ship-
ping crate and remove the
machine from the crate.
Bolting to Concrete floors
Anchor studs and lag bolts (figure 10) are two
popular methods for anchoring an object to a con-
crete floor. We suggest you research the many
options and methods for mounting your machine
and choose the best that fits your specific applica-
tion.
To lift and move the bandsaw:
1. position lifting straps under the head of the
bandsaw and on the forklift forks, as shown
in figure 11.
NOTICE
Anchor studs are stronger and more perma-
nent alternatives to lag bolts; however, they
will stick out of the floor, which may cause
a tripping hazard if you decide to move your
machine.
Anchor stud
figure 11. lifting straps positioned on bandsaw
and forklift forks.
lag Anchor & Bolt
Only us lifting straps and power lifting
equipment rated for at least 1000 lbs., and
in good working condition. If the bandsaw
should fall or tip over while moving it, seri-
ous personal injury and property damage
could result.
figure 10. typical fasteners for mounting to
concrete floors.
NOTICE
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.
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2. Unbolt the bandsaw from the pallet.
5. Model G8146Z only:
3. With two assistants to steady the bandsaw,
slowly lift it just enough to clear the pallet and
floor obstacles, then move it to the prepared
location.
a. place the key in the power switch and
turn it to the oN position—the power
lamp should light.
b. push the Emergency stop button in, then
twist it clockwise so it pops out. When
the Emergency stop button pops out, the
switch is reset and ready for operation.
4. Use shims between the machine mounting
flanges and the floor to level the bandsaw.
Note: Tighten the mounting fasteners evenly
to avoid warping or cracking the cast iron
base.
c. push the start button to turn the machine
ON.
6. Models G8144Z & G8145Z only: push the
start button in to turn the machine ON.
Test Run
7. Verify that the machine is operating cor-
rectly.
once the bandsaw is in place, test run your
machine to make sure it runs properly and is
ready for regular operation. the test run consists
of verifying the following: 1) the bandsaw motor
powers up and runs correctly, and 2) the stop but-
ton safety feature works correctly.
—When operating correctly, the machine
runs smoothly with little or no vibration or
rubbing noises.
—investigate and correct strange or unusual
noises or vibrations before operating the
machine further. Always disconnect the
machine from power when investigating or
correcting potential problems.
if, during the test run, you cannot easily locate
the source of an unusual noise or vibration,
stop using the machine immediately, then review
Troubleshooting on Page 39.
8. Verify that the motor is running in the correct
direction.
if you cannot find a remedy, contact our tech
support at (570) 546-9663 for assistance.
—When the motor is running in the correct
direction, the blade will be moving down
into the table.
To test run the bandsaw:
1. read and follow the safety instructions at the
beginning of the manual, and make sure the
machine is setup properly.
—if the motor is Not running in the cor-
rect direction, stop the machine, discon-
nect the machine from power, and switch
any two incoming power leads inside the
motor wiring junction box (refer to the
Model G8144Z/G8145Z Control Panel
& Inverter Wiring Diagram on Page 46,
or the Model G8146Z Inverter Wiring
Diagram on Page 49 for detailed illustra-
tions).
2. Clear all tools and objects used during setup
away from the machine.
3. Make sure the blade is properly tensioned
and the blade guides are positioned correctly
(refer to Blade Tensioning on Page 29, and
Adjusting Blade Guides on Page 31 for
detailed instructions).
4. Connect the machine to the power source.
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9. Model G8146Z only:
c. reset the Emergency stop button by
twisting it clockwise until it pops out.
a. press the Emergency stop button to stop
the machine.
d. turn the power switch key to the oFF
position—the power lamp should go
out.
b. WithoUt resetting the switch, press
the start button. the machine should not
start.
e. press the start button.
—if the machine does not start, the
Emergency stop button safety feature
is working correctly.
—if the machine does not start, the
power switch safety feature is working
correctly.
—if the machine does start (with the
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 pro-
ceeding with regular operations. Call
tech support for help.
—if the machine does start with the
power switch key turned to the oFF
position, immediately disconnect power
to the machine. the power switch
safety feature is not working correctly.
this safety feature must work properly
before proceeding with regular opera-
tions. Call tech support for help.
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SECTION 4: OPERATIONS
Operation Safety
Basic Controls
Use the descriptions and figures below to become
familiar with the basic controls of your bandsaw.
Damage to your eyes and lungs could result
from using this machine without proper pro-
tective gear. Always wear safety glasses and
a respirator when operating this machine.
Model G8144Z/G8145Z
Digital Speed Display: shows the blade speed
in feet per minute (FpM).
Variable Speed Control: Adjusts the blade
speed between 104–1300 FpM (Model g8144z)
or 108–1800 FpM (Model g8145z).
digital display
Variable speed
Control
Loose hair and cloth-
ing could get caught in
machinery and cause seri-
ous personal injury. Keep
loose clothing and long
hair away from moving
machinery.
Blade
Welding
station
start/stop
switch
NOTICE
figure 12. Model g8144z/g8145z electrical
controls.
If you have never used this type of machine
or equipment before, WE STRONGLy REC-
OMMEND that you read books, trade maga-
zines, or get formal training before begin-
ning any projects. Regardless of the con-
tent in this section, Grizzly Industrial will
not be held liable for accidents caused by
lack of training.
Blade Welding Station: Welds two blade ends to
make a continuous loop when repairing a broken
blade, fabricating a new blade, or making internal
contour cuts.
Bandsaw Start/Stop Switch: turns power oN/
oFF to the bandsaw motor.
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Blade Tensioning handwheel: increases/
decreases blade tension when rotated.
Power Switch: the main power switch for the
entire machine.
Blade Post Lock Knob: secures the blade post
and upper blade guide assembly in position.
Power Lamp: lights when the power switch is
turned ON and there is power to the machine.
ON Button: turns the bandsaw motor ON.
Blade
tensioning
handwheel
Emergency Stop Button: turns the bandsaw
motor OFF.
Blade post
lock Knob
Blade post
lock Knob
figure 13. Model g8144z/g8145z blade
controls.
Blade guide
Elevation
handwheel
Blade
tensioning
handwheel
Model G8146Z
Digital Speed Display: shows blade speed in
feet per minute (FpM).
figure 15. Model g8146z blade controls.
Blade Post Lock Knob: secures the blade post
and upper blade guide assembly in position.
Variable Speed Control: Adjusts the blade speed
between 105–2100 FpM.
Blade Guide Elevation handwheel: raises/low-
ers the blade post and upper blade guide assem-
bly when rotated.
Blade Welding Station: Welds two blade ends to
make a continuous loop when repairing a broken
blade, fabricating a new blade, or making internal
contour cuts.
Blade Tensioning handwheel: increases/
decreases blade tension when rotated.
digital
display
Variable
speed
The bandsaw blade is
sharp and can easily cut
your hand or fingers.
Always disconnect the
power and wear leather
gloves when making
adjustments near the
blade.
Blade
Control
Welding
station
power
lamp
power
switch
Emergency
stop
oN Button
Button
figure 14. Model g8146z electrical controls.
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blade widths and radius
blade selection
Blade Length
Measured by the blade circumference, blade
lengths are usually unique to the brand of your
bandsaw and the distance between the wheels.
Blade Selection
selecting the right blade for the cut requires a
knowledge of various blade characteristics.
Model
Blade Length Range
g8144z..............................................941⁄4"–981⁄4
"
Blade Terminology
g8145z................................................105"–110"
g8146z................................................133"–136"
A
Blade Width
Measured from the back of the blade to the tip of
the blade tooth (the widest point), blade width is
often the first consideration given to blade selec-
tion. Blade width dictates the largest and smallest
curve that can be cut, as well as how accurately
it can cut a straight line—generally the wider the
blade, the straighter it will cut.
B
C
E
d
h
F
Model
Blade Width Range
g8144z......................................................1⁄8"–3⁄8
g8145z......................................................1⁄8"–1⁄2
g8146z......................................................1⁄8"–3⁄4
"
"
"
g
i
figure 16. Bandsaw blade terminology.
Always pick the blade width that best suits your
operation.
A. Kerf: the amount of material removed by the
blade during cutting.
Curve Cutting: Use the chart in figure 17
to choose the correct blade for curve cutting.
determine the smallest radius curve that will be
cut on your workpiece and use the corresponding
blade width.
B. Tooth Set: the amount each tooth is bent
left or right from the blade.
C. Gauge: the thickness of the blade.
D. Blade Width: the widest point of the blade
measured from the tip of the tooth to the back
edge of the blade.
The list below shows the minimum radius
that can be cut by common blade widths.
E. Tooth Rake: the angle of the tooth face
from a line perpendicular to the length of the
blade.
Width
Radius
1
⁄
8"....................................1⁄8
"
"
3⁄16"...................................3⁄8
1
⁄
⁄
⁄
⁄
⁄
4''....................................5⁄8''
f. Gullet Depth: the distance from the tooth tip
to the bottom of the curved area (gullet).
3
1
5
3
8''....................................11⁄4''
2''....................................21⁄2''
8''....................................33⁄4''
4''....................................51⁄2''
G. Tooth Pitch: the distance between tooth
tips.
figure 17. Blade width radii.
h. Blade Back: the distance between the bot-
tom of the gullet and the back edge of the
blade.
I. TPI: the number of teeth per inch measured
from gullet to gullet.
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Tooth Set
three common tooth sets are standard, wavy,
and raker (see figure 18), each removing mate-
rial in a different manner to make the kerf in the
workpiece.
Standard (or Raker)
Variable Pitch (VP)
Variable Pitch Positive Rake
Hook (or Claw)
Alternate
Wavy
raker
figure 18. Bandsaw tooth sets.
Skip (or Skip Tooth)
Alternate: An all-purpose arrangement of bend-
ing the teeth evenly left and right of the blade.
generally used for milder metals.
figure 19. Bandsaw blade tooth types.
Wavy: generally three or more teeth in a group
that are bent one way, followed by a non-set
tooth, and then a group bent the other way.
recommended for straight cuts in thin metals or
thin-wall tubing.
Variable Pitch (VP): Varying gullet depth and
tooth spacing, a "0" rake angle, excellent chip
removing capacity, and smooth cutting.
Variable Pitch with Positive Rake: Varying gul-
let depth and tooth spacing, a positive rake angle,
better chip formation, and aggressive cutting.
Raker: three teeth in a recurring group—one bent
left, next one bent right, and then a non-set tooth.
the raker set is ideal for most contour cuts.
hook or Claw: Wide gullets (round or flat), equal-
ly spaced teeth, positive rake angle, and fast cut
with good surface finish.
Tooth Type
the most common tooth types are described
below and illustrated in figure 19.
Skip or Skip Tooth: Wide, flat gullets, a "0" rake
angle, equally spaced teeth, and recommended
for non-ferrous materials.
Standard or Raker: Equally spaced teeth set
a "0" rake angle. recommended for all purpose
use.
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3. refer to the "Material shapes" row and find
the shape of the material to be cut.
Blade Pitch (TPI)
the chart below is a basic starting point for
choosing teeth per inch (tpi) for variable tooth
pitch blades and standard raker set bi-metal
blades/hss blades. however, for exact specifica-
tions of bandsaw blades that are correct for your
operation, contact the blade manufacturer.
4. in the applicable row, read across to the right
and find the box where the row and column
intersect. listed in the box is the minimum
tpi recommended for the variable tooth pitch
blades.
To select the correct blade pitch:
5. the "Cutting speed rate recommendation"
section of the chart offers guidelines for vari-
ous metals, given in feet per minute (FpM).
Choose the speed closest to the number
shown in the chart.
1. Measure the material thickness. this mea-
surement is the length of cut taken from
where the tooth enters the workpiece, sweeps
through, and exits the workpiece.
2. refer to the "Material Width/diameter" row of
the blade selection chart in figure 20, and
read across to find the workpiece thickness
you need to cut.
Material Width/diameter
teeth per inch (tpi) for Variable pitch Blades
Material shapes
TOOTH SELECTION
mm
50
75
5/8
3/4
2 2½ 3 3½ 4 5
100
4/6
150
200
8
250
300
350
400
2/3
450
3/4
9
1.5/.8
2/3
6
1.4/2.5
inch
7
10 11 12 13 14 15 16 17 18 19
CUTTING SPEED RATE RECOMMENDATION
Speed FPM
(M/Min)
Speed FPM
(M/Min)
Speed FPM
(M/Min)
Speed FPM
(M/Min)
Material
Material
Material
Material
Carbon
Steel
Free Machining
Stainless Steel
196~354
(60) (108)
203
(62)
111~321
(34) (98)
150~203
(46) (62)
Alloy
Steel
Tool Steel
75~118
(25) (36)
246
(75)
108~225
(33) (75)
High-Speed
Tool Steel
180~220
(54) (67)
Angle
Steel
Gray
Cast Iron
Mold Steel
Water
Hardened
Tool Steel
Ductile
Austenitic
Cast Iron
180~220
(54) (67)
242
(75)
65~85
(20) (26)
Cold-Work
Tool Steel
95~213
(29) (65)
Thin
Tube
203
(62)
220~534
(67) (163)
Stainless
Steel
85
(26)
321
(98)
Aluminum
Alloy
Hot-Work
Tool Steel
Malleable
Cast Iron
203~213
(62) (65)
Copper
Alloy
229~482
(70) (147)
85-203
(26) (62)
Oil-Hardened
Tool Steel
CR Stainless
Steel
220
(67)
Plastics
figure 20. general guidelines for blade selection and speed chart.
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Blade Breakage
Blade Care &
Break-In
Many conditions may cause a bandsaw blade to
break. Blade breakage is unavoidable, in some
cases, since it is the natural result of the peculiar
stresses that bandsaw blades must endure. Blade
breakage is also due to avoidable circumstances.
Avoidable blade breakage is most often the result
of poor care or judgement on the part of the
operator when mounting or adjusting the blade or
support guides.
Blade Care
A bandsaw blade is a delicate piece of steel that
is subjected to tremendous strain. you can obtain
longer use from a bandsaw blade if you give it fair
treatment and always use the appropriate feed
rate for your operation.
Be sure to select blades with the proper width,
set, type, and pitch for each application. the
wrong blades will produces unnecessary heat and
shortens the life of the blade.
The most common causes of blade breakage
are:
•
Faulty alignment or adjustment of the blade
guides.
A clean blade will perform much better than a dirty
blade. dirty or gummed up blades pass through
the cutting material with much more resistance
than clean blades. this extra resistance also
causes unnecessary heat.
•
Forcing or twisting a wide blade around a
short radius.
•
•
•
•
Feeding the workpiece too fast.
dull or damaged teeth.
Blade Break-In
the sharp teeth tips and edges of a new blade are
extremely sharp, and cutting at too fast of a feed
rate fractures of the beveled edges of the teeth
and causes premature blade wear.
over-tensioned blade.
top blade guide assembly set too high above
the workpiece. Adjust the top blade guide
assembly so that there is approximately
⁄
To properly break-in a new blade:
1
8"–1⁄4" between the bottom of the assembly
and the workpiece.
1. Choose the correct speed for the blade and
material of the operation.
•
•
•
•
Using a blade with a lumpy or improperly fin-
ished braze or weld.
2. reduce the feed pressure by half for the first
50–100 in2 of material cut.
Continuously running the bandsaw when not
in use.
3. to avoid twisting the blade when cutting,
adjust the feed pressure when the total width
of the blade is in the cut.
leaving the blade tensioned when not in
use.
4. Use the Chip Inspection Chart on Page 27
to check the blade efficiency.
Using the wrong pitch (tpi) for the workpiece
thickness. the general rule of thumb is to
have not less than two teeth in contact with
the workpiece at all times during cutting.
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chip inspection chart
Chip Inspection Chart
the best method of evaluating the performance of your cutting operation is to inspect the chips that are
formed. refer to the chart below for chip inspection guidelines.
Chip
Appearance
Chip
Description
Chip
Color
Blade
Speed
feed
Pressure
Additional
Actions
thin & Curled
silver
Good
decrease
decrease
Good
Good
hard, thick &
short
Check Cutting
Fluid Mix
Brown or Blue
Brown or Blue
decrease
decrease
hard, strong &
thick
Check Cutting
Fluid Mix
hard, strong & silver or light
decrease
slightly
Check Blade
pitch
thick
Brown
Check Blade
pitch
hard & thin
silver
increase
Good
decrease
increase
increase
decrease
straight & thin
powdery
silver
silver
silver
decrease
Good
Curled tight &
thin
Check Blade
pitch
figure 21. Chip inspection chart.
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blade changes
Cutting Overview
Blade Changes
the vertical metal cutting bandsaw has a flexible
continuous blade that cuts in one direction. the
type of bandsaw blade and the speed of the blade
to be used depends on the workpiece material
and the type of cut required.
Alwaysdisconnectpower
to the machine when
changing blades. failure
to do this may result in
serious personal injury.
this type of bandsaw can be used for straight cuts,
angular cuts, and curved or contour cuts. straight
cuts are made using workpiece fixtures and with
a light, even pressure against the blade. Angular
cuts are made with the table and workpiece tilted
at an angle other than "0".
All saw blades are dan-
gerous and may cause
personalinjury.Toreduce
the risk of being injured,
wear leather gloves when
handling saw blades.
When an internal contour cut is to be made, a
hole must be drilled in the workpiece. the blade
is then cut, fed through the hole in the workpiece,
welded together again using the welding station,
and re-installed on the bandsaw to make the cut.
the welding station can also be used to fabricate
new blades and repair broken blades.
To replace the blade:
1. disCoNNECt BANdsAW FroM poWEr!
2. open the upper and lower wheel doors.
the blade is supported by upper and lower tung-
sten steel blade guides that keep the blade from
wandering during the cut.
3. release tension on the blade by rotating the
tensioning handwheel.
the efficiency of the cutting operation can be eas-
ily checked by examining the form and color of the
metal chips.
4. put on heavy gloves, then slide the blade
off the upper and lower wheels, around the
blade post, and through the table slit.
5. install a new blade in reverse order.
ELECTROCUTION hAZARD
This bandsaw is not designed to be used
with water soluble cutting fluid or coolant.
If needed, use a small amount of oil-based
lubricant.
Workpieces that cannot be supported or
stabilized without a vise or jig should not
be cut on a vertical metal-cutting bandsaw,
because they can unexpectedly move while
cutting and draw the operator's hands into
the blade causing serious personal inju-
ry. Examples are chains, cables, round or
oblong-shaped workpieces, workpieces
with internal or built-in moving or rotations
parts, etc.
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blade tensioning
6. position the back edge of the blade so that
it is next to, but not against, the flange of the
top wheel (see figure 22).
Blade Tensioning
Note: Excessive blade contact with the wheel
flange during operation could lead to blade
and wheel damage.
NOTICE
To prolong blade life, release the tension on
the blade if the machine will be idle for an
extended period of time.
Wheel
Flange
proper blade tension reduces the risk of blade
breakage and improves cutting performance.
To correctly tension the blade:
1. disCoNNECt BANdsAW FroM poWEr!
2. open the upper wheel door, and raise the
blade post and upper blade guide assembly
to the highest position.
Blade
3. Check the side-to-side deflection of the blade
midway between the upper blade guide and
the table. the proper amount of deflection
figure 22. Back edge of blade next to wheel
flange.
3
should be approximately ⁄8" when moderate
pressure is applied (see figure 23).
7. rotate the top wheel by hand several times
to make sure the blade tracks evenly without
wandering across the wheel surface.
Note: The quickest and easiest way to
check blade tension is to use the Model
H5408 Blade Tensioning Gauge to reach a
blade tension of 25,000–30,000 PSI (refer to
Page 36)
Note: If the blade does wander across the
wheel and away from the flange, the wheel
alignment may need to be adjusted. Refer to
Wheel Alignment on Page 42 for detailed
instructions.
8. re-tension the blade (refer to Blade
Tensioning on this page).
3
Approximately /8
"
Blade Deflection
9. Check the upper and lower blade guides for
clearance (refer to Adjusting Blade Guides
on Page 31).
Note: Generally if the replacement blade is
the same gauge, width, and type, blade guide
adjustment is not necessary. Otherwise, you
must adjust the blade guides.
10. Close and secure the upper and lower wheel
doors.
figure 23. Blade deflection when correctly
tensioned.
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4. Make small adjustments to the blade tension-
ing handwheel, then rotate the top wheel by
hand several times before checking the blade
deflection again. repeat this step until you
are satisfied.
guide post
lock Knob
Blade guard
Note: Make sure the blade tracks next to, but
not touching, the upper wheel flange as you
rotate the upper wheel by hand.
5. Close the upper wheel door and reposition
the guide post.
Blade guide
& Air Nozzle
guide post
figure 24. Model g8144z/g8145z guide post
assembly.
Guide Post
3. Model G8146Z (figure 25):
the guide post assembly is used for two purpos-
es: 1) to properly position the blade guard to pro-
tect the operator from the exposed blade between
the workpiece and the upper wheel housing, and
2) to position the upper blade guides close to the
workpiece for blade support.
a. loosen the guide post lock knob.
b. Use the guide post elevation handwheel
to position the bottom of the upper blade
guides approximately
1
⁄4" above the
workpiece, then re-tighten the lock knob.
in order to cut accurately and safely, position the
bottom of the upper blade guides approximately
1
⁄4" above the workpiece—this positioning pro-
guide
post
Elevation
handwheel
vides the greatest blade support and minimizes
the amount of blade exposed to the operator dur-
ing operation.
To properly position the guide post:
guide post
lock Knob
Blade
guard
1. disCoNNECt BANdsAW FroM poWEr!
2. Model G8144Z/G8145Z (figure 24):
Blade guide
& Air Nozzle
a. hold the guide post with one hand and
loosen the guide post lock knob with the
other.
guide post
figure 25. Model g8146z guide post assembly.
b. position the bottom of the upper blade
1
guides approximately
⁄4" above the
workpiece, then re-tighten the lock knob
to secure the setting.
The bandsaw blade is
sharp and can easily cut
your hand or fingers.
Always disconnect the
power and wear leather
gloves when making
adjustments near the
blade.
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adjusting blade guides
Blade support
Cap screw
Adjusting Blade
Guides
the blade guides provide side-to-side and back
support to keep the blade straight while cutting.
the blade guides and the back support have tung-
sten steel facing to reduce wear on the guides.
properly adjusted blade guides are essential to
making accurate cuts.
Blade guide Bracket
Cap screw
To properly adjust the upper and lower blade
guides:
figure 27. lower blade guides and bracket.
1. disCoNNECt BANdsAW FroM poWEr!
4. position the blade guides so that they are
1
approximately ⁄16" behind the tooth gullets
(see figure 28), then re-tighten the blade
guide bracket cap screw.
2. Make sure the bandsaw blade is properly
tensioned (Page 29) and the blade post is in
the correct position and locked.
3. Use a 6mm hex wrench to loosen the cap
screws that secure the blade guide bracket
and blade support (see figures 26–27).
Blade Guide
Blade guide Bracket Cap screw
1/16"
figure 28. Blade guides positioned
1
approximately ⁄16" behind tooth gullets.
Blade support
Cap screw
Note: The blade guards must be adjusted
far enough back so that they are behind the
tooth gullets when the blade is deflected back
against the blade support.
figure 26. Upper blade guides and bracket.
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5. slide the blade support (see figure 29) up to,
but not touching, the back of the blade, then
re-tighten the blade support cap screw.
9. lightly pinch the dollar bill against the blade
with the blade guides, re-position the air
nozzle if necessary, then re-tighten the blade
guide cap screws.
Note: The goal is to position the blade guides
as close as possible to the blade without
touching it during operation.
Blade guide
Cap screws
Air Nozzle
Adjusting Table Tilt
to perform beveled cuts, the bandsaw table tilts
15° to the left and 45° to the right.
Blade support
To adjust the table tilt:
figure 29. Blade guide assembly (upper
assembly shown without blade for clarity).
1. disCoNNECt BANdsAW FroM poWEr!
2. Use a 23mm wrench to loosen the hex
nut underneath the rear of the table (see
figure 31).
6. rotate the upper wheel by hand so that the
blade weld is between the blade guides.
7. Use a 4mm hex wrench to loosen the blade
guide cap screws (see figure 29).
table tilt scale
8. Fold a crisp dollar bill in half and place it over
the blade (between the blade guides and the
blade), as shown in figure 30.
hex Nut
figure 31. table tilt scale and hex nut.
3. Using the table tilt scale, adjust the angle of
the table for your operation, then re-tighten
the hex nut.
figure 30. Using a dollar bill to set blade guide
spacing.
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blade welding
Blade Welding
Being able to quickly and safely weld a bandsaw
blade comes in handy for the following situa-
tions:
•
•
•
to repair a broken blade that is still sharp and
useful.
to fabricate a new blade from a larger sec-
tion of blade material to fit your bandsaw.
to re-join a blade that has been purposely
cut for making an internal contour cut.
figure 32. Using the blade shear to cut the
blade.
your metal cutting bandsaw is equipped with a
blade welder that uses electrical resistance to
heat and fuse the blade ends together. this pro-
cess will leave the joint brittle, so it will need to be
annealed to give it strength and flexibility.
Note: To make a proper blade weld, the ends
of the blade must be evenly butted together
during the welding process. If necessary, use
the grinder to square up the ends or remove
any teeth that are in the welding zone (see
Figures 33–34).
The electric current that flows through the
blade welder during operation could cause
serious personal injury or death. To avoid
the risk of electrocution, never touch any
metal part of the welding station during
blade welding or annealing.
To weld the ends of bandsaw together:
1. turn the bandsaw motor OFF.
2. place the blade evenly against the back of
the blade shear and firmly pull the handle
down to square off the blade end (see figure
32).
figure 33. Using the grinder to square up the
blade end.
Welding Zone
Grind Off
figure 34. Blade ends and welding zone.
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3. loosen the welding clamps by pulling the
lock levers down.
6. place the other blade end in the opposite
welding clamp and position it so that it evenly
butts up against the opposing blade end, then
lock it in place by rotating the lock lever all the
way up, as shown in figure 36.
4. position the back of one blade end evenly
against the back of the welding clamp so that
the end is midway between the two clamps,
then rotate the lock lever all the way up to
hold the blade end in place (see figure 35).
Note: For a good blade weld, it is critical that
the blade ends evenly butt up against each
other.
Welding
Clamp
7. Use the chart in figure 37 and set the correct
clamping pressure setting for the blade.
Blade
End
Blade Width
Pressure Setting
1
Up to ⁄4
"
1
1
3
⁄
4" to ⁄8
"
2–3
4+
Above 3⁄8
"
lock lever
figure 37. Blade clamping pressure chart.
Burning sparks from the blade welding oper-
ation may be thrown in all directions and
could cause serious personal injury or fire.
When using the blade welder, always protect
yourself from the flying sparks and have fire
extinguishing equipment readily available.
DO NOT weld near flammables.
figure 35. Blade end properly position in
welding clamp and locked in place.
5. set the clamping pressure dial (see figure
36) to "0".
Note: As the blade material melts to form the
weld, pressure is applied to the joint by the
welding clamps. The correct amount of pres-
sure is set with the clamping pressure dial in
a later step.
8. press and release—do Not hold—the weld-
ing button.
Note: There is a limit switch that senses the
electrical resistance between the blade ends.
If there is a adequate amount of welded mate-
rial, the limit switch will not allow the welding
button to activate the operation again.
Clamping
pressure
Welding
dial
Button
Annealing
Button
figure 36. Blade ends in correct position for
welding.
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9. rotate the lock levers down to release the
welding clamps, then rotate the clamping
pressure dial to "0".
15. Allow the blade to cool, then re-inspect the
weld.
16. grind away the weld flash flat on the top and
bottom of the joint so that the blade will run
smoothly on the wheels.
10. inspect the weld. the welded joint should be
even across the width of the blade with no
gaps (see figure 38).
Note: Make sure not to grind the teeth or
blade body, or overheat the blade during
grinding—this will weaken the blade.
Correct
17. re-clamp the blade in the welding clamps
with the joint centered, then repeat Step 13
twice more.
Not Correct
18. test the strength and flexibility of the weld by
bending the blade in an arc similar to that of
the bandsaw wheels. the blade should bend
smoothly without any angles (see figure
39).
Not Correct
figure 38. Blade welded joint examples.
Correct
—if the weld is satisfactory, continue to Step
11.
—if the weld is Not satisfactory, begin again
at Step 2.
11. set the clamping pressure dial to 4 or greater
to bring the welding clamps close together.
Not Correct
12. place the blade in the welding clamps with
the weld centered between the clamps and
re-tighten the lock levers.
figure 39. Correct blade weld bend for strength
and flexibility.
Note: The welding operation has left the
blade joint brittle. Annealing will allow the
material to cool in gradual manner, giving the
weld strength and flexibility.
NOTICE
for good metal-to-metal contact between
the welding clamps and the blade, make
sure the blade material and the clamps are
free from any debris or flash before each
use.
13. rapidly press and release—do Not hold—
the annealing button two or three times until
the weld zone turns dull red.
14. repeat Step 13 three to four more times,
allowing the weld to cool for about 30 sec-
onds between each repetition.
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accessories
SECTION 5: ACCESSORIES
T20501—face Shield Crown Protector 4"
T20502—face Shield Crown Protector 7"
T20503—face Shield Window
T20452—"Kirova" Anti-Reflective S. Glasses
T20451—"Kirova" Clear Safety Glasses
h0736—Shop fox® Safety Glasses
h7194—Bifocal Safety Glasses 1.5
h7195—Bifocal Safety Glasses 2.0
h7196—Bifocal Safety Glasses 2.5
Grizzly Bandsaw Blades
TPI
/Style
Model Material Length Width
tool
steel
1
g8803
g8804
97"
97"
⁄
4
"
6/hook
tool
steel
1
⁄
4"
14/raker
1
1
1
g8805 Bi-Metal
g8806 Bi-Metal
g8807 Bi-Metal
97"
97"
97"
⁄
4"
6/hook
10-14/Vp
10-14/Vp
⁄
4"
T20502
T20452
⁄
2
"
tool
g8808
1
108"
108"
⁄
4
"
6/hook
steel
tool
g8809
1
⁄4
"
14/raker
steel
1
1
1
T20503
g8810 Bi-Metal
g8811 Bi-Metal
g8812 Bi-Metal
108"
108"
108"
⁄
4
"
6/hook
10-14/Vp
10-14/Vp
T20451
h0736
⁄4
"
⁄
2
"
tool
g8813
1
134"
134"
⁄4
"
6/hook
steel
h7194
tool
g8814
1
⁄4
"
14/raker
steel
figure 40. Eye protection assortment.
1
1
1
g8815 Bi-Metal
g8816 Bi-Metal
g8817 Bi-Metal
134"
134"
134"
⁄
4
"
6/hook
10-14/Vp
10-14/Vp
h5408—Blade Tensioning Gauge
⁄4
"
the Blade tensioning gauge ensures long blade
life, reduced blade breakage, and straight cutting
by indicating correct tension. A precision dial indi-
cator provides you with a direct readout in psi.
⁄
2
"
G5562—SLIPIT® 1 Qt. Gel
G5563—SLIPIT® 12 oz Spray
G2871—Boeshield® T-9 12 oz Spray
h3788—G96® Gun Treatment 12 oz Spray
figure 41. h5408 Blade tensioning gauge.
figure 42. recommended products for protect-
ing unpainted cast iron/steel part on machinery.
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redressing
SECTION 6: MAINTENANCE
When cleaning the wheel areas, empty and clean
the chip pan (see figure 43).
Always disconnect power
to the machine before
performing maintenance.
failure to do this may
result in serious person-
al injury.
Schedule
For optimum performance from your machine,
follow this maintenance schedule and refer to any
specific instructions given in this section.
figure 43. lower wheel chip pan.
Daily:
Redressing Rubber
Tires
•
•
•
•
•
Check/correct loose mounting bolts.
Check/correct damaged or dull saw blade.
Check/correct worn or damaged wires.
Clean/protect table.
Clean metal chips from upper and lower
wheel areas, and empty bottom chip pan.
Correct any other unsafe condition.
As the bandsaw ages, the rubber tires on the
wheel may need to be redressed if they become
hardened or glazed over. redressing the rubber
tires improves blade tracking and reduces vibra-
tion/blade lead.
•
Monthly:
•
Check for V-belt tension, damage, or wear.
•
lubricate tension leadscrews and guide post
rack.
remove the blade and clean the wheels.
if the rubber tires become too worn, then blade
tracking will become extremely difficult. At that
point, redressing will no longer be effective, and
the rubber tires must be replaced.
•
To redress the rubber tires:
Cleaning
1. disCoNNECt BANdsAW FroM poWEr!
2. put on heavy gloves and remove the blade.
Use a brush and a shop vacuum to remove chips
and other debris from the machine. Keep the table
rust-free with regular applications of products like
g96® gun treatment, slipit®, or Boeshield® t-
9 (see Section 5: Accessories on Page 36 for
more details).
3. Use a brush and shop vacuum to clean any
chips from the rubber tires.
4. hold a piece of 100-grit sandpaper against
the rubber tire and rotate the wheel by hand.
only redress the rubber enough to expose a
fresh rubber surface.
once a month, remove the blade and thoroughly
clean all metal chips or built-up grease from the
wheel surfaces. redress the rubber tires if neces-
sary.
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if the table becomes difficult to tilt, position it so
that you can brush a thin coat of multi-purpose
grease on the trunnion surface (see figure 46).
Lubrication
the bearings on your bandsaw are factory lubri-
cated and sealed. Merely leave them alone unless
they need to be replaced.
When needed, brush a light coat of multi-purpose
grease on the tension leadscrew (all Models) and
guide post rack (Model g8146z only) to maintain
smooth operation (see figures 44 & 45).
trunnion
surface
figure 46. table tilted to expose trunnion
surface.
figure 44. Model g8144z/g8145z tension
leadscrew.
guide post rack
tension
leadscrew
figure 45. Model g8146z tension leadscrew
and guide post rack.
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troubleshooting
SECTION 7: SERVICE
review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel-
ops. if you need replacement parts or you are unsure of your repair skills, then feel free to call our technical
support at (570) 546-9663.
Troubleshooting
Motor & Electrical
symptom
possible Cause
possible solution
Machine does not 1. power switch key is removed or not in oN 1. install power switch key and turn it to the oN posi-
start or a breaker
trips.
position (Model g8146z only).
tion.
2. Emergency stop push-button is engaged/ 2. rotate clockwise until it pops out; replace it if faulty.
faulty (Model g8146z only).
3. plug/receptacle is at fault or wired incor- 3. test for good contacts; correct the wiring.
rectly.
4. Motor connection wired incorrectly.
4. Correct motor wiring connections (Page 51).
5. Ensure circuit size is suitable for this machine;
replace weak breaker.
5. Wall fuse/circuit breaker is blown/tripped.
6. power supply switched oFF or is at fault.
7. Wiring is open/has high resistance.
6. Ensure power supply is switched on; ensure power
supply has the correct voltage.
7. Check for broken wires or disconnected/corroded
connections, and repair/replace as necessary.
8. start/stop switch is at fault (Model g8144z/ 8. replace start/stop switch.
g8145z).
9. inverter is at fault.
10. Motor is at fault.
9. replace inverter.
10. test/repair/replace.
Machine stalls or is 1. Feeding workpiece too fast.
1. reduce feed rate; increase blade speed.
2. Eliminate workpiece binding; use jig, fence, guide,
clamps, roller table, or push blocks as required for
workpiece alignment control.
overloaded.
2. Workpiece alignment is poor.
3. Wrong workpiece material or blade.
4. Blade is slipping on wheels.
3. Use metal with correct properties for your type of
machining; match blade with workpiece and opera-
tion.
4. Adjust blade tracking and tension (Page 29), redress
rubber wheel tires if necessary (Page 37).
5. Correct motor wiring connections (Page 51).
6. replace bad V-belt(s) as a matched set, align pul-
leys, and re-tension (Page 41).
5. Motor connection is wired incorrectly.
6. V-belt(s) slipping.
7. plug/receptacle is at fault.
8. pulley/sprocket slipping on shaft.
9. Motor bearings are at fault.
7. test for good contacts; correct the wiring.
8. replace loose pulley/shaft.
9. test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
10. Machine is undersized for the task.
10. Use sharp blade with lower tpi; reduce the feed
rate; use a small amount of oil-based coolant if nec-
essary.
11. Motor has overheated.
12. Motor is at fault.
11. Clean off motor, let cool, and reduce workload.
12. test/repair/replace.
g8144z/g8145z/g8146z
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Motor & Electrical (continued)
symptom
possible Cause
possible solution
Machine has vibra- 1. V-belt(s) worn or loose.
tion or noisy opera-
1. inspect/replace belts with a new matched set (Page
41).
tion.
2. pulley is loose.
2. realign/replace shaft, pulley, set screw, and key as
required.
3. Motor mount loose/broken.
3. tighten/replace.
4. Machine is incorrectly mounted or sits 4. tighten/replace anchor studs in floor; relocate/shim
unevenly.
machine.
5. Workpiece is loose.
5. Use the correct holding fixture and reclamp
workpiece.
6. Motor fan is rubbing on fan cover.
7. Motor bearings are at fault.
6. replace dented fan cover; replace loose/damaged
fan.
7. test by rotating shaft; rotational grinding/loose shaft
requires bearing replacement.
8. Blade is at fault.
8. re-tension/replace blade (Pages 28 & 29).
9. re-align blade wheels (Page 42).
9. Blade wheels out of alignment.
Cutting Operations
symptom
possible Cause
possible solution
Machine slows when 1. Feeding workpiece too fast.
operating.
1. reduce feed rate/increase blade speed.
2. replace blade (Page 28).
2. Blade is dull.
ticking sound when 1. Blade weld contacting blade guide/support 1. inspect/re-grind blade weld (Page 33); re-adjust
the saw is running.
(a light ticking is normal).
blade guides/support (Page 31).
2. Blade weld may be failing.
2. inspect weld and re-weld blade if necessary (Page
33), or replace blade (Page 28).
Blade contacting 1. table improperly mounted or aligned.
table.
1. properly align table (Page 44).
Vibration when cut- 1. Workpiece is loose.
ting.
1. Use the correct holding fixture and reclamp
workpiece.
2. loose or damaged blade.
2. re-tension/replace blade (Pages 28 & 29).
3. Clean metal chips from wheels.
3. Metal chip buildup on wheels.
rough or poor qual- 1. Feeding workpiece too fast.
1. reduce feed rate/increase blade speed.
ity cuts.
2. incorrect blade for operation; worn or dam- 2. Use the correct blade for the operation (Page 23);
aged blade.
replace worn or damaged blade (Page 28).
3. Correctly adjust blade guides/support (Page 31);
set the blade guides approximately 1/8" above
workpiece.
3. Blade guides/support adjusted incorrectly.
Blade wanders or 1. Blade lead.
doesn't cut straight.
1. re-tension/replace blade (Pages 28 & 29).
2. Clean metal chips from wheels.
2. Metal chip buildup on wheels.
Cuts are not square 1. table tilt is not adjusted to "0".
1. Adjust table to "0" tilt.
(vertically).
2. table is not square to the blade.
2. Adjust table square with blade (Page 44).
Wheel is noisy.
1. Wheel bearing is worn out.
1. replace wheel bearing.
2. V-belt is too tight (lower wheel).
2. Check/re-tension the V-belt (Page 41).
Blade does not track 1. Wheels are not coplanar or aligned with 1. Adjust wheels to be coplanar/aligned with one
consistently, cor-
rectly, or at all.
each other.
another (Page 42).
2. rubber tires on wheels are worn out.
2. redress the rubber tires on the wheels (Page 37).
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-40-
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tensioning/replacing v-belts
V-Belt Pulley
Tensioning/
Replacing V-Belts
Alignment
the correct alignment of the motor and lower
wheel pulleys helps to ensure correct and even
tension of the V-belts, proper power transmission,
and reduced V-belt heat and wear during opera-
tion.
to ensure optimum power transfer from the motor
to the blade without slipping, the V-belts must be
in good condition and operate under proper ten-
sion. Check V-belt tension at least every three
months—more often if the bandsaw is used daily.
V-belts stretch with use and must be periodically
re-tensioned.
remove the rear motor access panel, and use
a straightedge across both pulleys, as shown in
figure 47, to check the pulley alignment.
replace the V-belts as a matched set if they are
cracked, frayed, or excessively worn.
To check/tension/replace the V-belts:
1. disCoNNECt BANdsAW FroM poWEr!
2. remove the rear motor access panel.
Wheel pulley
hex Bolts
3. Make sure the motor and lower wheel pulleys
are correctly aligned.
4. push the center of each V-belt as illustrated
in figure 48, using moderate force. When
tensioned correctly, the deflection should be
3
about ⁄4".
figure 47. Checking pulley alignment.
if necessary, use a 19mm wrench to loosen the
two hex nuts securing the wheel pulley to its shaft,
align the wheel pulley with the motor pulley, then
re-tighten the hex bolts.
Pulley
Deflection
Pulley
figure 48. Checking for correct V-belt tension.
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-41-
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wheel alignment
—if the deflection is correct and the V-belts
are in good condition, no further action is
required. replace the rear motor access
panel.
Wheel Alignment
When the wheels are coplanar (in the same
plane), the bandsaw cuts straighter, with much
less vibration, heat, and blade wear because the
blade is continuously balanced on the wheels.
refer to figure 50 to better understand this
arrangement.
—if the deflection is more than or less than
1
⁄4" or the V-belts need to be replaced, then
continue to Step 5.
5. Use a 12mm wrench to loosen the four motor
mount hex bolts (see figure 49).
Coplanar
Not Coplanar
Motor Mount hex Bolts
figure 49. Motor mount hex bolts.
6. if it is necessary to replace the V-belts, slide
the motor toward the wheel pulley to relieve
the tension, then replace the V-belts with a
new matched set.
7. position the motor to adjust the V-belt tension
until they have the correct deflection, then re-
tighten the hex bolts.
Parallel,
Not Coplanar
Not Coplanar
figure 50. Wheel coplanar examples.
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-42-
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checking coplanarity
Note: The lower wheel adjusting assemblies
have a locking hex bolt threaded into an
adjusting sleeve.
Checking Wheel Coplanarity
1. disCoNNECt BANdsAW FroM poWEr!
2. remove the table assembly from the
machine.
2. Use a 17mm wrench to loosen the locking
hex bolts.
3. Make sure the blade is correctly installed and
tensioned.
3. Use a 21mm wrench to loosen or tighten the
adjusting sleeves as necessary to bring the
lower wheel coplanar with the upper wheel.
4. hold a self-made coplanarity gauge (see
figure 50) close to the center of both wheels,
making sure that the gauge fully extends
across the wheels as shown in figure 50.
Example 1: If the top of the lower wheel
leans to far forward (see the top right exam-
ple in Figure 50), thread the top two adjusting
sleeves out.
—if the wheels are coplaner (in the same
plane), the gauge will evenly touch the top
and bottom of both wheels.
Example 2: Alternately, if the lower wheel
is parallel to the upper wheel but behind the
plane of the upper wheel (see bottom right
example in Figure 50), then thread all four
adjusting sleeves in.
—if the wheels are Not coplanar, place the
coplanarity gauge on the upper wheel first,
ensuring that it touches both the top and
bottom rim. then adjust the lower wheel to
be coplanar with the upper wheel.
4. re-tighten the locking hex bolts to secure the
settings of the adjusting sleeves.
Note: The upper wheel of the Model G8146Z
can also be adjusted. To do this, refer to the
detailed instructions later in this subsection.
5. re-check the wheels for alignment and repeat
the steps above if necessary.
6. re-check the pulley alignment and V-belt
tension (Page 41).
Adjusting Lower Wheel
7. re-install the table and check its alignment
with the blade (Page 44).
1. Check the coplanarity of the wheels as
outlined above, then identify the four wheel
adjusting assemblies of the bottom wheel
(see figure 51).
lower Wheel
Adjusting Assemblies
(3 of 4 shown)
figure 51. lower wheel adjusting assemblies.
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-43-
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table alignment
Adjusting Upper Wheel
(Model G8146Z only)
the Model g8146z upper wheel adjusting fasten-
ers consist of four locking hex bolts and four adjust-
ing hex bolts with jam nuts (see figure 52).
Aligning Table To
Blade
to ensure the angle accuracy of the cut, the table
must be 90° to the blade from front-to-back and
side-to-side. if the table is not square to the blade,
it needs to be adjusted.
To adjust the table square to the blade:
locking hex Bolt
1. disCoNNECt BANdsAW FroM poWEr!
2. Make sure the wheels are coplanar (Page
43) and the blade is properly tensioned
(Page 29).
Adjusting
hex Bolt
& Jam Nut
3. set the angle of the table to "0".
4. Use a square to check table alignment with
the blade, as shown in figure 53.
figure 52. Model g8146z upper wheel adjusting
fasteners.
To adjust the Model G8146Z upper wheel:
1. Complete all steps in the Checking Wheel
Coplanarity subsection on Page 43.
2. Use a 17mm wrench to loosen the locking
hex bolts and a 12 mm wrench to loosen the
jam nuts on the upper wheel (see figure
52).
Note: Threading an adjusting hex bolt in
will force that part of the wheel forward.
Conversely, threading an adjusting hex bolt
out will pull that wheel section to the rear of
the machine when the locking hex bolt is re-
tightened.
figure 53. Checking table alignment with the
blade.
3. re-tighten the locking hex bolts and jam nuts
to secure the settings of the adjusting hex
bolts.
4. re-check the wheels for alignment and repeat
the steps above if necessary.
5. re-install the table and check its alignment
with the blade.
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-44-
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5. Use a 12mm wrench to loosen the table
mounting hex bolts (see figure 54).
Blade Guides/
Support
the inserts in the face of the blade guides and the
blade support are made of tungsten steel.
set screws
With use, the front of the blade guide inserts will
wear and it may become difficult to properly adjust
the guides to the blade (refer to Adjusting Blade
Guides on Page 31). if this is the case, swap and
turn over the blade guides so that the inserts are
reversed relative to the blade (see figure 55).
Mounting
hex Bolts
Swap &
Turn Over
figure 54. table mounting hex bolts and
adjusting set screws.
6. Use a 5mm hex wrench to adjust the set
screws so that the table is square to the
blade front-to-back and side-to-side.
Note: Make small adjustments to the set
screws, then recheck the alignment of the
table with the blade.
Tungsten Steel
Inserts
7. When the table is 90° to the blade from
front-to-back and side-to-side, re-tighten the
mounting hex bolts to secure the table align-
ment.
Rotate
Wear
Blade Support
Mark
figure 55. Blade guide and support orientation.
As the blade is deflected back into the blade
support during operation, a groove will eventu-
ally wear into the blade support. As this groove
becomes deeper, it can affect the accuracy of the
cut. When this happens, loosen the blade support
cap screw and rotate the blade support, as shown
in figure 55.
Note: Make sure to re-adjust the blade guides
and support as directed in Adjusting Blade
Guides on Page 31 after making these changes.
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-45-
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g8144z/g8145z electrical wiring diagram
G8144Z/G8145Z Control Panel & Inverter
Wiring Diagram
COLOR KEY
Bk
Rd
Bu
Black
White
Green
Red
digital display
(see figure 56
on Page 47)
Wt
Gn
Blue
Yl
Yellow
Air pump
(see figure 58
on Page 47)
Variable speed dial
(see figure 59
on Page 47)
Bk
Bk
Wt
Work lamp
Rd
2
1
Bk
Gn
Gn
to Motor
Bk
Wt
Rd
Bk
Wt
Bk
(see photo &
Wiring diagram
on Page 51)
W
V
U
T
S
R
Bk
Wt
Rd
Bk
to Motor Fan
(see photo &
Wiring diagram
on Page 51)
Rd
COM X5
X6
X2
X4
Y1 AM+ Iin
Vin
Tb1 Ta2
Tc1 Ta1 Tc2
Rd
FWD REV C0M X1
X3 CME Y2 FM+ GND 12V
inverter
(figure 60 on
Page 47)
to Welding station
(see photo &
Bk
Bk
Wiring diagram
on Page 52)
RM5G 220V 3-PH
Bk
Wt
start/stop switch
(see figure 57
on Page 47)
Rd
Wt
220V
Single-Phase
Power
Gn
Ground
1
Gn
Ground
Rd
Gn
Hot
Bk
Bk
Bk
Wt
Bk
220
VAC
Gn
2
S
Hot
NEMA 6-15 Plug
(As Recommended)
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-46-
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g8144z/g8145z electrical components
G8144Z/G8145Z Electrical Components
figure 56. digital display wiring (see wiring
diagram on Page 46).
figure 58. Air pump wiring (see wiring diagram
on Page 46).
figure 57. start/stop switch wiring
(see wiring diagram on Page 46).
figure 59. Variable speed dial wiring (see wiring
diagram on Page 46).
figure 60. inverter/controller box wiring (see wiring diagram on Page 46).
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-47-
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g8146z electrical & switch wiring diagram
G8146Z Electrical & Control Wiring Diagram
Electrical panel
(see figure 65
on Page 50)
Control panel
(see figure 63
on Page 50)
1
24V
0
1
3
2
S2
2
1
R2
24V
O
OV
COLOR KEY
Bk
Black
White
Green
Red
Wt
Gn
Rd
Yg
Air pump
1
(see figure 58
on Page 47)
Grn/Yel
2
R
T
R
T
OV
A1
U 3 2 V 1
12
1L/1
3L/2
5L/3 13NO
8
7
6
5
to Motor Fan
(see photo & Wiring
diagram on Page 51)
Overload
Relay
NHD
C12D
24V
ARITA MR4P 24V
11
S3
0
12 11 10
9
2T/1
4T/2 6T/3 14NO
to Welding station
(see photo & Wiring
diagram on Page 52)
Bk
3
A2
Bk
4
14 13
S2
R1 U
U
V
R2
O
R3
O
W
3
OV
Ground
W
U
R1 S1 OV R3 S3
T
R
to inverter
(see Wiring
diagram
R
T
Grnd
U
W
R1
Bk
S1
OV
R3
S3
Bk
Bk
R
T
on Page 49)
Bk
Bk
Bk
U
W
Wt Bk
Bk
Bk
220V
Single-Phase
Ground
Power
Gn
Rd
Bk
Hot
220
VAC
Hot
NEMA 6-15 Plug
(As Recommended)
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-48-
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g8146z inverter wiring diagram
G8146Z Inverter Wiring Diagram
COLOR KEY
Bk
Rd
Bu
Black
White
Green
Red
Wt
Blue
Gn
Yl
Yellow
figure 61. digital
display wiring.
figure 62. Variable
speed dial wiring.
Wt
Rd
Bk
to Motor
(see photo &
Wiring diagram
on Page 51)
Gn
Gn
Bk
Wt
Rd
Bk
Rd
W
V
U
T
Wt
S
R
to Electrical panel
(see figure 65 on
Page 50, Wiring
Rd
Bk
Wt
Wt
Bk
Bk
diagram on Page 48)
COM X5
X6
X2
X4
Y1 AM+ Iin
Vin
Tb1 Ta2
Tc1 Ta1 Tc2
FWD REV C0M X1
X3 CME Y2 FM+ GND 12V
RM5G 220V 3-PH
inverter
(see figure 64 on Page 50)
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-49-
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g8146z electrical components
G8146Z Electrical Components
power
lamp
power
switch
Bandsaw
start
Emergency
stop
figure 63. Control panel wiring (see wiring
diagram on Page 48).
figure 64. inverter/Controller box wiring (see
wiring diagram on Page 49).
figure 65. Main electrical wiring (see wiring diagram on Page 48).
g8144z/g8145z/g8146z
(Manufactured since 6/11)
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motor wiring diagram
Motor Wiring Diagram
COLOR KEY
Bk
Black
Wt
White
Gn
Green
Rd
Red
figure 66. Motor junction box wiring.
Motor
Bk
Bk
Bk
1
2
3
Bk
Rd
Ground
Rd
Wt
Bk
Gn
Motor Fan
Wiring
G8144Z/G8145Z:
to Control panel
& inverter
The motor wiring shown here is
current at the time of printing, but it
may not match your machine.
Always use the wiring diagram
inside the motor junction box.
(see Page 46)
G8146Z: to inverter
(see Page 49) &
Electrical panel
(see Page 48)
MOTOR DIRECTION
If motor rotates in opposite direc-
tion, swap any two power source
wires at the incoming terminals.
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-51-
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welding station wiring diagram
Welding Station Wiring Diagram
Welding
Button
1
1
Bk
4
2
4
2
Bk
Right
Welding
Clamp
Bk
NC NO
Left
Welding
Clamp
Bk
Bk
Bk
Yl
Yl
Bk
1
1
2
3
4
5
6
figure 67. Welding station wiring.
Yl
Bk
Bk
Bk
Bk
Bk
G8144Z/G8145Z:
to start/stop switch
(see Page 46)
G8146Z:
to Electrical panel
(see Page 48)
220V Transformer
Grinder
Switch
O N
Grinder
Motor
O F F
4
2
6
Wt
Gn
COLOR KEY
1
Bk
Rd
Bu
Black
White
Green
Red
3
5
Wt
Gn
Blue
Yl
Yellow
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-52-
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SECTION 8: PARTS
G8144Z Cabinet Breakdown & Parts List
&)
&+
&-
&&
&'
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-
&*
&,
'&
.
&(
''
&.
'*
')
'%
,
)
(
*
'(
+
&.
'
'-
',
'%
'+
&
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
1
P8144Z001
P8144Z002
PS05M
WHEEL DOOR LOWER
HINGE PIN LOWER
15
16
17
18
19
20
21
22
23
24
25
26
27
28
P8144Z015
P8144Z016
P8144Z017
P8144Z018
P8144Z019
PS47M
BANDSAW CABINET
AIR HOSE 4X6MM
2
3
PHLP HD SCR M5-.8 X 8
AIR NOZZLE
4
P8144Z004
P8144Z005
PS47M
ON/OFF SWITCH W/PADDLE
BLADE CLEANING BRUSH
PHLP HD SCR M6-1 X 25
WHEEL DOOR UPPER
HINGE PIN UPPER
WORK LAMP 220V
DOOR KNOB
5
6
PHLP HD SCR M6-1 X 25
CAP SCREW M6-1 X 15
FLAT WASHER 6MM
MOTOR ACCESS PANEL
FLAT WASHER 6MM
PHLP HD SCR M6-1 X 10
CHIP PAN
7
P8144Z007
P8144Z002
PS05M
PSB28M
8
PW03M
9
PHLP HD SCR M5-.8 X 8
DIGITIAL DISPLAY BRACKET
CAP SCREW M8-1.25 X 16
BLADE SHEAR
P8144Z023
PW03M
10
11
12
13
14
P8144Z010
PSB11M
PS68M
P8144Z012
P8144Z013
P8144Z014
P8144Z026
P8144Z027
P8144Z028
VARIABLE SPEED DIAL
AIR PUMP
DIGITAL DISPLAY
INVERTER RM5G 1HP 220V 3PH
G8144Z/G8145Z/G8146Z
(Manufactured Since 6/11)
-53-
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G8144Z Table & Guides Breakdown
& Parts List
125
117
122
124
123
121
116
115
120
104-1
119
118
103
112
113
107
111
102
101
105
107
103
104
102
101
110
109
108
106
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
101
102
103
104
PSB15M
CAP SCREW M5-.8 X 20
FLAT WASHER 5MM
BLADE GUIDE
113
115
116
117
118
119
120
121
122
123
124
125
PSB31M
CAP SCREW M8-1.25 X 25
TRUNNION
PW02M
P8144Z115
P8144Z116
P8144Z117
PSB11M
P8144Z103
P8144Z104
TABLE TILT LOCK 5/8-11 X 2
TABLE
BLADE GUIDE BRACKET LOWER
104-1 P8144Z104-1 BLADE GUIDE BRACKET UPPER
CAP SCREW M8-1.25 X 16
FLAT WASHER 8MM
BLADE GUARD
105
106
107
108
109
110
111
112
P8144Z105
PSB64M
P8144Z107
PN04
GUIDE POST LOWER
CAP SCREW M10-1.5 X 25
BLADE SUPPORT
PW01M
P8144Z120
PSB11M
CAP SCREW M8-1.25 X 16
GUIDE POST UPPER
CAP SCREW M8-1.25 X 30
FLAT WASHER 8MM
GUIDE POST WAY
HEX NUT 5/8-11
P8144Z122
PSB13M
PW14
FLAT WASHER 5/8
FLAT WASHER 8MM
HEX BOLT M8-1.25 X 30
TRUNNION BASE
PW01M
PW01M
PB26M
P8144Z125
P8144Z112
g8144z/g8145z/g8146z
(Manufactured since 6/11)
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G8144Z Drive System Breakdown
211
202
212
213
204
209
206
201
210
216
217
203
207
214
215
205
208
239-3
241
224
222
218
223
219
239-1
239-2
226
220
225
234
228
221
227
233
234
225
229
236
240
230
231
237
238
235
239
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
PN01
HEX NUT 1/2-20
223
224
225
226
227
228
229
230
231
233
234
235
236
237
238
239
PLW06
LOCK WASHER 5/8
PLW07
LOCK WASHER 1/2
PSS20M
SET SCREW M8-1.25 X 8
COLLAR
P6203
BALL BEARING 6203ZZ
P8144Z225
P6203
PR21M
INT RETAINING RING 35MM
WHEEL TIRE
BALL BEARING 6203ZZ
WHEEL LOWER
P8144Z205
P8144Z206
P8144Z207
P6203
P8144Z227
P8144Z228
P8144Z229
PLW06M
PSB143M
P6205
WHEEL UPPER
BEARING HOUSING
SPECIAL SCREW 3/4-16
LOCK WASHER 10MM
CAP SCREW M10-1.5 X 50
BALL BEARING 6205ZZ
INT RETAINING RING 52MM
LOWER WHEEL SHAFT
WHEEL PULLEY
BANDSAW BLADE 1/4"W STANDARD
BALL BEARING 6203ZZ
HEX BOLT M6-1 X 12
FLAT WASHER 6MM
BLADE TENSIONING HANDWHEEL
BUSHING
PB02M
PW03M
P8144Z211
P8144Z212
PSB13M
P8144Z214
P8144Z215
PSS09M
PLW04M
P8144Z218
P8144Z219
P8144Z220
P8144Z221
PN09
PR26M
P8144Z235
P8144Z236
PSB36M
CAP SCREW M8-1.25 X 30
LEADSCREW BRACKET
LEADSCREW 3/4-6 X 7
SET SCREW M8-1.25 X 20
LOCK WASHER 8MM
UPPER WHEEL SHAFT
BUSHING
CAP SCREW M12-1.75 X 25
MOTOR PULLEY
P8144Z238
P8144Z239
MOTOR 1HP 220V 3PH
239-1 P8144Z239-1 MOTOR FAN COVER
239-2 P8144Z239-2 MOTOR FAN
239-3 P8144Z239-3 MOTOR WIRING JUNCTION BOX
LEADSCREW NUT 3/4-6
TENSIONING WAY
240
241
PVA57
V-BELT A-57 4L570
TENSIONING PANEL
P8144Z241
HEX NUT 5/8-18
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-55-
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G8145Z Cabinet Breakdown & Parts List
14
16
18
11
12
10
8
15
17
21
9
13
22
19
20
25
24
7
4
3
5
23
6
19
20
2
28
27
KEYPAD
26
RPM
MPM
T.S
PROG
RUN
FUN
STOP
DATA
RESET
1
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
1
P8145Z001
P8144Z002
PS05M
WHEEL DOOR LOWER
HINGE PIN LOWER
15
16
17
18
19
20
21
22
23
24
25
26
27
28
P8145Z015
P8144Z016
P8144Z017
P8144Z018
P8144Z019
PS47M
BANDSAW CABINET
AIR HOSE 4X6MM
2
3
PHLP HD SCR M5-.8 X 8
AIR NOZZLE
4
P8145Z004
P8144Z005
PS47M
ON/OFF SWITCH W/PADDLE
BLADE CLEANING BRUSH
PHLP HD SCR M6-1 X 25
WHEEL DOOR UPPER
HINGE PIN UPPER
WORK LAMP 220V
DOOR KNOB
5
6
PHLP HD SCR M6-1 X 25
CAP SCREW M6-1 X 15
FLAT WASHER 6MM
MOTOR ACCESS PANEL
FLAT WASHER 6MM
PHLP HD SCR M6-1 X 10
CHIP PAN
7
P8145Z007
P8144Z002
PS05M
PSB28M
8
PW03M
9
PHLP HD SCR M5-.8 X 8
DIGITIAL DISPLAY BRACKET
CAP SCREW M8-1.25 X 16
BLADE SHEAR
P8145Z023
PW03M
10
11
12
13
14
P8144Z010
PSB11M
PS68M
P8144Z012
P8144Z013
P8144Z014
P8145Z026
P8144Z027
P8145Z028
VARIABLE SPEED DIAL
AIR PUMP
DIGITAL DISPLAY
INVERTER RM5G 1-1/2HP 220V 3PH
g8144z/g8145z/g8146z
(Manufactured since 6/11)
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G8145Z Table & Guides Breakdown
& Parts List
125
117
122
124
123
121
116
115
120
104-1
119
118
103
112
113
107
111
102
101
105
104
103
102
101
110
107
109
108
106
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
101
102
103
104
PSB15M
CAP SCREW M5-.8 X 20
FLAT WASHER 5MM
113
115
116
117
118
119
120
121
122
123
124
125
PSB31M
CAP SCREW M8-1.25 X 25
TRUNNION
PW02M
P8144Z115
P8144Z116
P8145Z117
PSB11M
P8144Z103
P8144Z104
BLADE GUIDE
TABLE TILT LOCK 5/8-11 X 2
TABLE
BLADE GUIDE BRACKET LOWER
104-1 P8144Z104-1 BLADE GUIDE BRACKET UPPER
CAP SCREW M8-1.25 X 16
FLAT WASHER 8MM
BLADE GUARD
105
106
107
108
109
110
111
112
P8144Z105
PSB64M
P8145Z107
PN04
GUIDE POST LOWER
CAP SCREW M10-1.5 X 25
BLADE SUPPORT
PW01M
P8145Z120
PSB11M
CAP SCREW M8-1.25 X 16
GUIDE POST UPPER
CAP SCREW M8-1.25 X 30
FLAT WASHER 8MM
GUIDE POST WAY
HEX NUT 5/8-11
P8145Z122
PSB13M
PLW06
LOCK WASHER 5/8
FLAT WASHER 8MM
HEX BOLT M8-1.25 X 30
TRUNNION BASE
PW01M
PW01M
PB26M
P8145Z125
P8144Z112
g8144z/g8145z/g8146z
(Manufactured since 6/11)
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G8145Z Drive System Breakdown
211
202
212
204
209
206
201
213
210
203
207
216
217
214
215
239-1
205
239-2
239-3
208
241
224
226
222
218
223
219
220
224
225
234
228
221
227
233
235
236
240
234
225
229
237
230
231
238
239
DESCRIPTION
REF PART #
DESCRIPTION
REF PART #
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
PN01
HEX NUT 1/2-20
223
224
225
226
227
228
229
230
231
233
234
235
236
237
238
239
PLW06
LOCK WASHER 5/8
SET SCREW M8-1.25 X 8
COLLAR
PLW07
LOCK WASHER 1/2
BALL BEARING 6203ZZ
PSS20M
P8144Z225
P6203
P6203
PR23M
INT RETAINING RING 40MM
WHEEL TIRE
BALL BEARING 6203ZZ
WHEEL LOWER
P8145Z205
P8145Z206
P8145Z207
P6203
P8145Z227
P8144Z228
P8145Z229
PLW06M
PB73M
WHEEL UPPER
BEARING HOUSING
SPECIAL SCREW 3/4-16
LOCK WASHER 10MM
HEX BOLT M10-1.5 X 50
BALL BEARING 6205ZZ
BANDSAW BLADE 1/4"W STANDARD
BALL BEARING 6203ZZ
HEX BOLT M6-1 X 12
FLAT WASHER 6MM
BLADE TENSIONING HANDWHEEL
BUSHING
PB02M
PW03M
P6205
P8144Z211
P8144Z212
PSB13M
P8144Z214
P8144Z215
PSS09M
PLW04M
P8144Z218
P8144Z219
P8144Z220
P8144Z221
PN09
PR26M
INT RETAINING RING 52MM
LOWER WHEEL SHAFT
WHEEL PULLEY
P8144Z235
P8145Z236
PSB36M
P8145Z238
P8145Z239
CAP SCREW M8-1.25 X 30
LEADSCREW BRACKET
LEADSCREW 3/4-6 x 7
SET SCREW M8-1.25 X 20
LOCK WASHER 8MM
UPPER WHEEL SHAFT
BUSHING
CAP SCREW M12-1.75 X 25
MOTOR PULLEY
MOTOR 1-1/2HP 220V 3PH
239-1 P8145Z239-1 MOTOR FAN COVER
239-2 P8145Z239-2 MOTOR FAN
239-3 P8145Z239-3 MOTOR WIRING JUNCTION BOX
LEADSCREW NUT 3/4-6
TENSIONING WAY
240
241
PVA58
V-BELT A-58 4L580
TENSIONING PANEL
P8145Z241
HEX NUT 5/8-18
g8144z/g8145z/g8146z
(Manufactured since 6/11)
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G8146Z Cabinet Breakdown & Parts List
14
30
32
33
29
16
31
18
11
35
12
34
10
8
15
17
21
9
13
22
19
20
25
24
7
4-1
4-2
4
4-4
5
23
3
6
4-3
19
20
2
28
27
KEYPAD
26
RPM
MPM
T.S
PROG
RUN
FUN
STOP
DATA
RESET
1
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
1
P8146Z001
P8144Z002
PS05M
WHEEL DOOR LOWER
HINGE PIN LOWER
PHLP HD SCR M5-.8 X 8
CONTROL PANEL
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
P8144Z017
P8146Z018
P8144Z019
PS47M
AIR NOZZLE
2
WORK LAMP 220V
DOOR KNOB
3
4
P8146Z004
PHLP HD SCR M6-1 X 25
CAP SCREW M6-1 X 15
FLAT WASHER 6MM
MOTOR ACCESS PANEL
FLAT WASHER 6MM
PHLP HD SCR M6-1 X 10
CHIP PAN
4-1
4-2
4-3
4-4
5
P8146Z004-1 POWER SWITCH W/KEY
P8146Z004-2 POWER LAMP
PSB28M
PW03M
P8146Z004-3 EMERGENCY STOP BUTTON
P8146Z004-4 MOTOR ON BUTTON
P8146Z023
PW03M
P8144Z005
PS22M
BLADE CLEANING BRUSH
PHLP HD SCR M5-.8 X 25
WHEEL DOOR UPPER
HINGE PIN UPPER
PS68M
6
P8146Z026
P8144Z027
P8146Z028
P8146Z029
P8146Z030
P8146Z031
P8146Z032
P8146Z033
P8146Z034
P8146Z035
7
P8146Z007
P8144Z002
PS05M
DIGITAL DISPLAY
8
INVERTER RM5G 2HP 220V 3PH
CONTROL PANEL
9
PHLP HD SCR M5-.8 X 8
DIGITIAL DISPLAY BRACKET
CAP SCREW M8-1.25 X 16
BLADE SHEAR
10
11
12
13
14
15
16
P8144Z010
PSB11M
TRANSFORMER 1PH 0-3VA
CONTACTOR NHD C-12D 24V
OL RELAY ARITA MR4P 24V 3-5A
FUSE HOLDER
P8144Z012
P8144Z013
P8144Z014
P8146Z015
P8144Z016
VARIABLE SPEED DIAL
AIR PUMP
FUSE 3A
BANDSAW CABINET
AIR HOSE 4X6MM
WIRING BLOCK 10-POST
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-59-
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G8146Z Table & Lower Guide Breakdown
& Parts List
117
116
115
112
113
105
111
104
110
103
102
101
109
108
106
107
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
101
102
103
104
105
106
107
108
PSB15M
CAP SCREW M5-.8 X 20
LOCK WASHER 5MM
BLADE GUIDE
109
110
111
112
113
115
116
117
PLW06
LOCK WASHER 5/8
FLAT WASHER 8MM
PLW02M
P8144Z103
P8144Z104
P8146Z105
PSB06M
PW01M
PSB14M
CAP SCREW M8-1.25 X 20
TRUNNION BASE
BLADE GUIDE BRACKET LOWER
GUIDE POST LOWER
CAP SCREW M6-1 X 25
BLADE SUPPORT
P8146Z112
PSB14M
CAP SCREW M8-1.25 X 20
TRUNNION
P8146Z115
P8144Z116
P8146Z117
P8144Z107
PN04
TABLE TILT LOCK 5/8-11 X 2
TABLE
HEX NUT 5/8-11
g8144z/g8145z/g8146z
(Manufactured since 6/11)
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G8146Z Motor & Lower Wheel Breakdown
& Parts List
213
214
211
209A-1
210
212A
215A
208
217
209A
204
207
206
216
202
205
218
218-1
218-2
203
201
218-3
REF PART #
DESCRIPTION
WHEEL TIRE
REF PART #
DESCRIPTION
HEX BOLT M10-1.5 X 50
212A P8146Z212A BEARING HOUSING V2.04.08
201
202
203
204
205
206
207
208
P8146Z201
P8146Z202
P8146Z203
PB170M
211
PB73M
BANDSAW BLADE 3/8"W STANDARD
WHEEL LOWER
213
214
PB25M
HEX BOLT M12-1.75 X 25
WHEEL PULLEY
HEX BOLT M10-1.5 X 10
COLLAR
P8146Z214
P8146Z205
PSS20M
215A PVA62
V-BELT A-62 4L620
SET SCREW M8-1.25 X 8
BALL BEARING 6206ZZ
KEY 8 X 8 X 20
216
217
218
PSS16M
SET SCREW M8-1.25 X 10
MOTOR PULLEY
P6206
P8146Z217
P8146Z218
PK107M
MOTOR 2HP 220V 3PH
209A P8146Z209A LOWER WHEEL SHAFT V2.04.08
218-1 P8146Z218-1 MOTOR FAN COVER
218-2 P8146Z218-2 MOTOR FAN
209A-1 PR15M
210 P8146Z210
EXT RETAINING RING 30MM
SPECIAL SCREW 3/4-16
218-3 P8146Z218-3 MOTOR WIRING JUNCTION BOX
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-61-
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G8146Z Guide Post Breakdown & Parts List
512
511
510
509
513
514
508
507
515
516
518
506
517
504
503
520
519
502
521
522
501
523
505
524
525
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
501
502
503
504
505
506
507
508
509
510
511
512
513
PSB15M
PW02M
CAP SCREW M5-.8 X 20
FLAT WASHER 5MM
514
515
516
517
518
519
520
521
522
523
524
525
P8146Z514 GUIDE POST PINION GEAR 15T OD 32MM
P8146Z515 WORM GEAR P6.2832 OD 27MM
P8146Z516 COLLAR
P8144Z503 BLADE GUIDE
P8144Z504 BLADE GUIDE BRACKET UPPER
P8144Z505 BLADE SUPPORT
P8146Z517 HANDWHEEL HANDLE
P8146Z518 HANDWHEEL
PSB02M
CAP SCREW M6-1 X 20
PSS02M
SET SCREW M6-1 X 6
PRP102M ROLL PIN 4 X 36
P8146Z520 BRACKET
P8146Z508 GUIDE POST CLAMP PLATE
P8146Z509 GUIDE POST RACK
PLW03M
PSB02M
LOCK WASHER 6MM
CAP SCREW M6-1 X 20
P8146Z510 GUIDE POST BRACKET
P8146Z511 SPECIAL FLAT WASHER 13 X 35 X T2
P8146Z512 LOCK KNOB 7/16-14 X 7/8
P8146Z513 SPECIAL SCREW 1/2-12 X 9/16
P8146Z523 BLADE GUARD
PW04M
FLAT WASHER 10MM
PSB146M CAP SCREW M10-1.5 X 15
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-62-
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G8146Z Upper Wheel Breakdown & Parts List
611
613
610
609
612
614
615
608
607
616
614
605
617
606
612
605
613
604
603
618
620
619
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
603
604
605
606
607
608
609
610
611
PN09
HEX NUT 5/8-18
612
613
614
615
616
617
618
619
620
PSS02M
SET SCREW M6-1 X 6
COLLAR
PLW06
P6304
LOCK WASHER 5/8
P8146Z613
P2901
BALL BEARING 6304ZZ
WHEEL UPPER
THRUST BEARING 2901
TENSIONING WAY
P8146Z606
P8146Z607
P8146Z608
PB07M
P8146Z615
P8146Z616
PSB31M
UPPER WHEEL SHAFT
SLIDING BLOCK
LEADSCREW BRACKET
CAP SCREW M8-1.25 X 25
LEADSCREW 5/8-18 X 11-13/16
HANDWHEEL
HEX BOLT M8-1.25 X 25
LOCK WASHER 8MM
LOCK PLATE
P8146Z618
P8146Z619
PSS16M
PLW04M
P8146Z611
SET SCREW M8-1.25 X 10
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-63-
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Welder Station Breakdown
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-64-
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Welder Station Parts List
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
301 PB96
HEX BOLT 1/4-20 X 4
326 PS11M
327 PS26M
PHLP HD SCR M6-1 X 16
PHLP HD SCR M6-1 X 20
302 P8144Z302 TRANSFORMER BRACKET
303 PW06
304 PN05
FLAT WASHER 1/4
HEX NUT 1/4-20
328 P8144Z328 WELDING PANEL
329 P8144Z329 CLAMP PRESSURE KNOB
305 P8144Z305 LIMIT SWITCH
330 PEC02M
E-CLIP 4MM
306 PSB06M
307 PSB04M
CAP SCREW M6-1 X 25
CAP SCREW M6-1 X 10
331 P8144Z331 CLAMP LEVER
332 P8144Z332 SHAFT
308 P8144Z308 LIMIT SWITCH BRACKET
309 P8144Z309 SLIDING BLOCK
333 P8144Z333 WELDING CLAMP RIGHT
334 P8144Z334 INSULATING PLATE
310 P8144Z310 WELDING CLAMP LEFT
311 P8144Z311 WELDING JAW LEFT
335 PW03M
336 PSB02M
337 PSB02M
FLAT WASHER 6MM
CAP SCREW M6-1 X 20
CAP SCREW M6-1 X 20
312 PSB26M
313 PEC02M
CAP SCREW M6-1 X 12
E-CLIP 4MM
338 P8144Z338 WELDING JAW RIGHT
314 P8144Z314 SHAFT
339 PSB02M
340 PN01M
341 PW03M
CAP SCREW M6-1 X 20
HEX NUT M6-1
315 P8144Z315 CLAMP LEVER
316 PSB26M
CAP SCREW M6-1 X 12
FLAT WASHER 6MM
317 P8144Z317 SLIDING BLOCK BASE
342 P8144Z342 PRESSURE CAM
343 P8144Z343 CAM SHAFT
318 PS11M
PHLP HD SCR M6-1 X 16
319 P8144Z319 GRINDER COVER
344 P8144Z344 TENSION SPRING 0.8 X 25MM
320 PN01M
321 PW03M
HEX NUT M6-1
345 PS04
PHLP HD SCR 1/4-20 X 1/2
FLAT WASHER 6MM
346 P8144Z346 BRACKET
322 P8144Z322 GRINDING WHEEL 2-1/2"D
323 PW03M FLAT WASHER 6MM
347 P8144Z347 ANNEALING PUSH BUTTON
348 P8144Z348 WELDING PUSH BUTTON
349 P8144Z349 TRANSFORMER 1.2KVA 220V (G8144Z)
349 P8145Z349 TRANSFORMER 2KVA 220V (G8145Z)
349 P8146Z349 TRANSFORMER 4.2KVA 220V (G8146Z)
324 P8144Z324 GRINDER MOTOR 1/8HP 220V 1PH
324-1 P8144Z324-1 S CAPACITOR 3M 250V 3/4 X 1-1/4
325 P8144Z325 ON/OFF SWITCH
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-65-
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Label Placement & List
406
407
405
409
404
408
403
410
402
401
411
REF PART #
DESCRIPTION
REF PART #
DESCRIPTION
401
401
401
402
403
404
405
406
P8144Z401 MODEL # LABEL (G8144Z)
P8145Z401 MODEL # LABEL (G8145Z)
P8146Z401 MODEL # LABEL (G8146Z)
407
407
407
408
409
410
411
P8144Z407 MACHINE ID LABEL (G8144Z)
P8145Z407 MACHINE ID LABEL (G8145Z)
P8146Z407 MACHINE ID LABEL (G8146Z)
P8144Z408 BLADE HAZARD LABEL VERT L
P8144Z409 DOOR INJURY HAZARD LABEL VERT S
PPAINT-11 GRIZZLY PUTTY TOUCH UP PAINT
P8144Z411 UNSTABLE WORKPIECE LABEL
P8144Z402 BLADE SPECIFICATION LABEL
P8144Z403 POWER DISCONNECT LABEL VERT S
P8144Z404 EYE/LUNG HAZARD LABEL VERT L
P8144Z405 READ MANUAL LABEL VERT L
G8588
GRIZZLY NAMEPLATE 9-1/2" X 4-1/2"
Safety labels warn about machine hazards and ways to prevent injury. The owner of this machine
MUST maintain the original location and readability of the labels on the machine. If any label is
removed or becomes unreadable, REPLACE that label before using the machine again. Contact
g8144z/g8145z/g8146z
(Manufactured since 6/11)
-66-
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WARRANTY CARD
Name_____________________________________________________________________________
Street_____________________________________________________________________________
City _______________________ State_________________________ Zip _____________________
Phone #____________________ Email ________________________ Invoice #_________________
Model # ____________________ Order #_______________________ Serial #__________________
The following information is given on a voluntary basis. It will be used for marketing purposes to help us develop
better products and services. Of course, all information is strictly confidential.
1. How did you learn about us?
____ Advertisement
____ Card Deck
____ Friend
____ Website
____ Catalog
____ Other:
2. Which of the following magazines do you subscribe to?
____ Cabinetmaker & FDM
____ Family Handyman
____ Hand Loader
____ Popular Science
____ Popular Woodworking
____ Precision Shooter
____ Projects in Metal
____ RC Modeler
____ Rifle
____ Shop Notes
____ Wooden Boat
____ Woodshop News
____ Woodsmith
____ Handy
____ Woodwork
____ Home Shop Machinist
____ Journal of Light Cont.
____ Live Steam
____ Woodworker West
____ Woodworker’s Journal
____ Other:
____ Model Airplane News
____ Old House Journal
____ Popular Mechanics
____ Shotgun News
____ Today’s Homeowner
____ Wood
3. What is your annual household income?
____ $20,000-$29,000
____ $30,000-$39,000
____ $40,000-$49,000
____ $70,000+
____ $50,000-$59,000
____ $60,000-$69,000
4. What is your age group?
____ 20-29
____ 30-39
____ 60-69
____ 40-49
____ 70+
____ 50-59
5. How long have you been a woodworker/metalworker?
____ 0-2 Years ____ 2-8 Years
____ 8-20 Years
____20+ Years
____10+
6. How many of your machines or tools are Grizzly?
____ 0-2 ____ 3-5
____ 6-9
7. Do you think your machine represents a good value?
8. Would you recommend Grizzly Industrial to a friend?
_____Yes
_____Yes
_____No
_____No
9. Would you allow us to use your name as a reference for Grizzly customers in your area?
Note: We never use names more than 3 times. _____Yes _____No
10. Comments:_____________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
_________________________________________________________________________________
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FOLD ALONG DOTTED LINE
Place
Stamp
Here
GRIZZLY INDUSTRIAL, INC.
P.O. BOX 2069
BELLINGHAM, WA 98227-2069
FOLD ALONG DOTTED LINE
Send a Grizzly Catalog to a friend:
Name_______________________________
Street_______________________________
City______________State______Zip______
TAPE ALONG EDGES--PLEASE DO NOT STAPLE
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WARRANTy AND RETURNS
grizzly industrial, inc. warrants every product it sells for a period of 1 year to the original purchaser from
the date of purchase. this warranty does not apply to defects due directly or indirectly to misuse, abuse,
negligence, accidents, repairs or alterations or lack of maintenance. this is grizzly’s sole written warranty
and any and all warranties that may be implied by law, including any merchantability or fitness, for any par-
ticular purpose, are hereby limited to the duration of this written warranty. We do not warrant or represent
that the merchandise complies with the provisions of any law or acts unless the manufacturer so warrants.
in no event shall grizzly’s liability under this warranty exceed the purchase price paid for the product and
any legal actions brought against grizzly shall be tried in the state of Washington, County of Whatcom.
We shall in no event be liable for death, injuries to persons or property or for incidental, contingent, special,
or consequential damages arising from the use of our products.
to take advantage of this warranty, contact us by mail or phone and give us all the details. We will then
issue you a “return Number,’’ which must be clearly posted on the outside as well as the inside of the
carton. We will not accept any item back without this number. proof of purchase must accompany the
merchandise.
the manufacturers reserve the right to change specifications at any time because they constantly strive to
achieve better quality equipment. We make every effort to ensure that our products meet high quality and
durability standards and we hope you never need to use this warranty.
please feel free to write or call us if you have any questions about the machine or the manual.
thank you again for your business and continued support. We hope to serve you again soon.
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Buy Direct and Save with Grizzly® – Trusted, Proven and a Great Value!
~Since 1983~
Visit Our Website Today For
Current Specials!
ORDER
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