Harbor Freight Tools Lathe 44859 User Manual

8” x 12” lathe  
44859  
assembly and operating instructions  
distributed exclusively by harbor Freight tools®.  
3491 Mission Oaks Blvd., Camarillo, CA 93011  
Visit our website at: http://www.harborfreight.com  
read this material before using this product.  
Failure to do so can result in serious injury.  
saVe this manual.  
Copyright© 2001 by Harbor Freight Tools®. All rights reserved. No portion of this manual or any artwork  
contained herein may be reproduced in any shape or form without the express written consent of Harbor Freight  
Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing improvements, actual  
product may differ slightly from the product described herein. Tools required for assembly and service may not  
be included.  
For technical questions or replacement parts, please call 1-800-444-3353.  
Revised 09g  
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3. Keep children away. Children must never be allowed in the work area. Do not let  
them handle machines, tools, or extension cords.  
4. store idle equipment. When not in use, tools must be stored in a dry location to  
inhibit rust. Always lock up tools and keep out of reach of children.  
5. do not force tool. It will do the job better and more safely at the rate for which it was  
intended. Do not use inappropriate attachments in an attempt to exceed the tool  
capacity.  
6. use the right tool for the job. Do not attempt to force a small tool or attachment to  
do the work of a larger industrial tool. There are certain applications for which this tool  
was designed. Do not modify this tool and do not use this tool for a purpose for which  
it was not intended.  
7. dress properly. Do not wear loose clothing or jewelry as they can be caught in  
moving parts. Protective, electrically non-conductive clothes and non-skid footwear  
are recommended when working. Wear restrictive hair covering to contain long hair.  
8. use eye and ear protection. Always wear ANSI approved impact safety goggles.  
Wear a full face shield if you are producing metal filings or wood chips. Wear an ANSI  
approved dust mask or respirator when working around metal, wood, and chemical  
dusts and mists.  
9. do not overreach. Keep proper footing and balance at all times. Do not reach over or  
across running machines.  
10. maintain tools with care. Keep tools sharp and clean for better and safer  
performance. Follow instructions for lubricating and changing accessories. Inspect tool  
cords periodically and, if damaged, have them repaired by an authorized technician.  
The handles must be kept clean, dry, and free from oil and grease at all times.  
11. disconnect power. Unplug tool when not in use.  
12. remove adjusting keys and wrenches. Check that keys and adjusting wrenches  
are removed from the tool or machine work surface before plugging it in.  
13. avoid unintentional starting. Be sure the switch is in the Off position when not in  
use and before plugging in.  
14. stay alert. Watch what you are doing, use common sense. Do not operate any tool  
when you are tired.  
15. check for damaged parts. Before using any tool, any part that appears damaged  
should be carefully checked to determine that it will operate properly and perform its  
intended function. Check for alignment and binding of moving parts; any broken parts  
or mounting fixtures; and any other condition that may affect proper operation. Any  
part that is damaged should be properly repaired or replaced by a qualified technician.  
Do not use the tool if any switch does not turn On and Off properly.  
16. guard against electric shock. Prevent body contact with grounded surfaces such as  
pipes, radiators, ranges, and refrigerator enclosures.  
17. replacement parts and accessories. When servicing, use only identical  
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replacement parts. Use of any other parts will void the warranty. Only use accessories  
intended for use with this tool. Approved accessories are available from Harbor Freight  
Tools.  
18. do not operate tool if under the inuence of alcohol or drugs. Read warning  
labels on prescriptions to determine if your judgment or reflexes are impaired while  
taking drugs. If there is any doubt, do not operate the tool.  
19. use proper size and type extension cord. If an extension cord is required, it must be  
of the proper size and type to supply the correct current to the tool without heating up.  
Otherwise, the extension cord could melt and catch fire, or cause electrical damage  
to the tool. This tool requires use of an extension cord of 0 to 12 amps capability (up  
to 50 feet), with wire size rated at 16 aWg. Longer extension cords require larger size  
wire. If you are using the tool outdoors, use an extension cord rated for outdoor use  
(signified by “WA” on the jacket).  
21. maintenance. For your safety, service and maintenance should be performed  
regularly by a qualified technician.  
22. Know your power tool. Read and understand this assembly and operating manual,  
and labels affixed to the tool. Learn it’s application and limitations, as well as the  
specific potential hazards particular to this tool.  
23. ground the tool. This tool is equipped with an approved 3-conductor cord and 3-  
prong grounding type plug to fit a grounding type receptacle. The green wire in the  
cord is the grounding wire. Never connect the green wire to a live terminal.  
24. use safety guards. Keep guards in place, in working order, and in proper adjustment  
and alignment.  
25. secure workpiece. Use clamps or a vise to hold workpiece when practical. Keep both  
hands free to operate tool.  
26. direction of Feed. Feed workpiece into the blade or cutter against the direction of the  
rotation.  
note: Performance of this tool may vary depending on variations in local line voltage. Exten-  
sion cord usage may also affect tool performance.  
Warning:the warnings, cautions, and instructions discussed in this instruction manual  
cannot cover all possible conditions and situations that may occur. it must be under-  
stood by the operator that common sense and caution are factors which cannot be built  
into this product, but must be supplied by the operator.  
unpacking  
When unpacking, check to make sure that all the parts are included. Refer to the Accesso-  
ries list in the Specifications table, and the Parts List.  
If any parts are missing or broken, please call Harbor Freight Tools at the number on the  
cover of this manual as soon as possible.  
07h  
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installation  
1. Carefully place the Lathe on a sturdy, level work table with sufficient light.  
2. Use appropriate hardware (not included) in the mounting holes of the lathe base, to  
properly secure the lathe. The work table must also be properly mounted to the floor.  
3. Before operation, verify that the slide, worktable, and spindle can move, and are not  
locked in place.  
4. Clean machine with nonflammable solvent and oil the machine according to the  
lubrication requirements (see Lubrication section) before running the machine.  
operation  
This 8 x 12 inch Lathe is capable of machining metal and nonmetallic stock by cutting,  
drilling, and milling. It can cut circular surfaces, both inside and out, cones, mill planes or  
grooves, and other cutting functions depending on the tools used. It can also create SAE  
B
and metric threads.  
A
controls  
E
F
H
I
C
D
G
note: the splash guard shown in the photo above is not included. it can be ordered using sKu 26962.  
ITEM  
NAME  
USAGE  
ASSY NO.  
200  
A
B
C
D
E
F
G
H
I
Reversing Switch Change rotation direction of the spindle  
Master Switch  
Turn Lever  
Turn machine power On and Off  
Moves saddle transversely  
Moves saddle longitudinally  
Clamps the square tool rest  
Moves the square tool rest carriage longitudinally  
Controls apron clasp nut  
200  
500  
Turn Lever  
600  
Straight Lever  
Straight Lever  
Straight Lever  
Straight Lever  
Turn Lever  
400  
400  
600  
Controls tailstock sleeve  
300  
Moves tailstock sleeve longitudinally  
07h  
300  
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lathe safety precautions  
1. Keep fingers away from revolving parts and cutting tools while in operation.  
2. Never force cutting action.  
3. Never perform an abnormal or little used operation without study and use of adequate  
blocks, jigs, stops, and fixtures.  
4. Verify proper cutting speed for the material being cut, and any special operation, in a  
machinery shop handbook.  
5. Do not open drive cover while in operation.  
6. Always remove chuck key from chuck.  
7. Do not attempt to adjust or remove tools when lathe is in operation.  
8. Always keep cutting tools sharp.  
cutting procedures  
The instructions that follow are basic operational procedures. It is assumed that the opera-  
tor understands lathe operation and it’s capabilities.  
1. Rotate Turn Lever (C) counterclockwise to move the saddle outward.  
2. Place the workpiece in the chuck, center, and secure with the chuck key.  
3. Loosen the Straight Lever (H) and then rotate the Turn Lever (I) clockwise to engage  
the Dead Center tool into the end of the workpiece. Tighten Straight Lever (H) again.  
4. Select the desired tool set and place it into the tool rest. Align the tool nose to the  
spindle centerline, then tighten.  
5. Open the Gear Box and verify that the proper  
speed is engaged.  
Typically, the harder the metal workpiece, the  
faster the spindle speed.  
6. Set the desired feed amount according to the  
type of stock, workpiece dimensions, and the  
type of cut.  
7. Close the Gear Box.  
8. Open the safety cover over the On / Off switch and press the green On button.  
Verify that the lathe head and feed amount is correct.  
9. Align the tool nose on the workpiece where the cut is to begin.  
10. Rotate the Turn Lever (C) clockwise to move the saddle transversely, moving the tool  
nose into the workpiece for cutting.  
11. When the cut is complete, press the red Off button.  
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machining cylinders  
1. Repeat the cutting procedure steps 1 through 8, listed on the previous page.  
2. Rotate Turn Lever (D) clockwise and move the saddle to the right of the workpiece.  
3. Rotate Turn Lever (C) clockwise until the desired depth of cut is reached on the far  
right surface of the work piece.  
4. Press down on the Straight Lever (G) to engage apron clasp nut over the Gear Shaft.  
The tool will automatically move from right to left while cutting the workpiece.  
5. When the cut is complete, press the red Off button.  
Optionally, you can turn the Reverse switch to have the tool go over the same cut in  
the opposite direction (left-to-right). This will clean and smooth the previous cut.  
6. When the cut is complete, press the red Off button.  
machining cones  
Manually  
This operation is similar to machining cylinders with the following differences.  
1. To manually cut a cone, determine the taper requirement and turn the small cutter rest  
to the desired slope on the workpiece. Retighten the cutter rest.  
2. Press the green On button to start the lathe.  
3. Turn the Straight Lever (F) clockwise to make the cut.  
Automatically  
1. To automatically cut a cone, determine the taper requirement and turn the small cutter  
rest to the desired slope on the workpiece. Retighten the cutter rest.  
2. Horizontally move the tailstock from the spindle centerline to the required slope on the  
far right surface of the work piece.  
3. Press the green On button to start the lathe.  
4. Press down on the Straight Lever (G) to engage apron clasp nut over the Gear Shaft.  
The tool will automatically move from right to left while cutting the workpiece.  
5. Repeat steps 2 through 4 until the desired cone size is cut.  
6. When the cut is complete, press the red Off button.  
machining threads  
The Gear Box is composed of the change gears, shaft bolt, fixing shaft bolt, and square  
nut. The change gear box is fixed on the left support of the leadscrew (101). To cut threads,  
select the proper change gears for the desired thread type (see Thread Formula Table), and  
engage with approximately 0.1 mm tolerance. Tighten Screw (835).  
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The Fixed Shaft Bolt (825) under the spindle is used for right hand cutting and threading.  
The set of Fixed Shaft Bolts in the accessory kit is used in combination with the original set  
of Shaft Bolts to reverse the rotation of the long leadscrew for left-handed threading and  
cutting.  
The change gear for metric or inch threading is selected according to the Thread to Gear  
formula and table. The feed amount depends on the material to be cut, the surface rough-  
ness, and finish requirements. If the two settings “0.1 and 0.2”, of the Gear table do not  
meet the requirement, you can add or change gears. The same is true if the number of  
teeth listed in the Gear table do not coincide with the calculated number of teeth. In this  
case, use gears with similar number of teeth. In doing so, however, the following relation-  
ship of the driving shaft must be met: Z3+Z4+>Z2+Z5. Otherwise, the addendum of circles A2  
and Z5 will hit each other.  
The left formula below is an example of 0.3 mm spindle round. The right formula is an ex-  
ample for 8 threads per inch.  
The Thread to Gear settings table on the following page allows you to select the number of  
threads per inch or millimeter, and which gears need to be used.  
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rest accessories  
The Follow Rest (not supplied) is mainly used for cutting long and thin shaft pieces to en-  
sure no bending takes place during cutting. It also provides a better finish surface as a  
result of less vibration. The Steady Rest (not supplied) provides a similar function as with  
the Follow Rest. The difference being that the Steady Rest is fixed on the bed guides, and  
does not follow the movement of the cutting tool. Both rests can be purchased from Harbor  
Freight Tools.  
maintenance  
general  
1. Unplug power cord from receptacle when not in use.  
2. Using compressed air, blow off all dirt and particles after using.  
3. Keep all tools sharp.  
4. Cover Lathe when not in use.  
5. Periodically, check all bolts and nuts for tightness.  
lubrication  
Lubricate the Lathe daily using an appropriate machine oil from a forced-feed oil can.  
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ITEM  
PART TO BE LUBRICATED  
LUBE POINT  
See lubrication location illustration on next page  
1
2
Fix bolt of intermediate gear  
Leadscrew support  
Cutter rest screw  
Cutter rest carriage  
Tailstock sleeve  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
Oil Cup  
On Leadscrew  
3
4
5
6
Tailstock leadscrew  
Leadscrew support  
Sync. counter-pulley over shaft  
Change gear, shaft bolt  
Change gear  
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
Bed guides  
Saddle Carriage  
Saddle leadscrew  
Saddle Carriage  
Bed guides  
Cutter rest leadscrew  
Apron  
Bed guides  
Saddle carriage leadscrew support  
Apron  
Bed guides  
Leadscrew  
lubrication points  
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headstock parts list  
ITEM #  
201  
202  
203  
204  
205  
206  
207  
208  
209  
210  
211  
212  
213  
214  
215  
216  
217  
NAME  
QTY  
1
REMARKS  
35x62x17  
M3x8  
Front Oil Ring  
Roller Bearing  
Oil Ring  
2
1
Screw  
4
Front Panel  
Rear Oil Ring  
Tube Separator  
Spindle Pulley  
Nut  
1
1
1
1
2
M27x1.5  
M5x10  
Spindle Gear  
Screw  
1
4
Switch Box  
Headstock  
Plat Key  
1
1
1
4x40  
Screw  
3
M8x16  
Spindle  
1
Cover  
1
note: Some parts are listed and shown for illustration purposes only and are not available  
individually as replacement parts.  
please read the FolloWing careFully  
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDEDTHE PARTS DIAGRAM INTHIS  
MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBU-  
TOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT  
HE OR SHE IS QUALIFIED TO MAKE ANY REPAIRS TO THE PRODUCT OR THAT HE OR SHE  
IS QUALIFIED TO REPLACE ANY PARTS OF THE PRODUCT. IN FACT, THE MANUFACTURER  
AND/OR DISTRIBUTOR EXPRESSLY STATESTHAT ALL REPAIRS AND PARTS REPLACEMENTS  
SHOULD BE UNDERTAKEN BY CERTIFIED AND LICENSED TECHNICIANS AND NOT BY THE  
BUYER. THE BUYER ASSUMES ALL RISK AND LIABILITY ARISING OUT OF HIS OR HER  
REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT PARTS THERETO, OR ARISING  
OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.  
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headstock assembly drawing  
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motor and pulley drive parts list  
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motor and pulley drive parts list  
1537  
1538  
1539  
1540  
1541  
Check Ring  
Motor Pulley  
Screw  
1
1
5
1
1
item #  
1501  
name  
Qty remarKs  
Nut  
3
1
M5  
M5x8  
75(3”)  
1502  
Synchronized Counter  
Pulley  
Check Ring  
1503  
1504  
1505  
1506  
1507  
1508  
1509  
1510  
1511  
1512  
Slide Bearing  
Shaft  
1
1
1
1
1
1
1
1
4
1
Synchronized Drive  
Pulley  
1542  
1543  
1544  
1545  
1546  
Hinge  
2
1
1
4
4
Over Plate  
Washer  
Washer  
Nut  
Check Ring  
Motor  
12  
10  
550W  
8
Washer  
Bolt  
M12  
M10  
M12  
M5x8  
M8x25  
Nut  
Nut  
Screw  
Motor Guard Assem-  
bly  
1513  
1514  
1515  
1516  
1517  
1518  
1519  
1520  
Bolt  
3
1
1
1
1
1
2
1
M10x20  
Washer  
Washer  
Fan-Support  
Protecting Cover Rest  
Washer  
8
Screw  
M5x12  
Synchronized Tooth  
Belt  
M1.5xZ118  
1521  
1522  
1523  
1524  
1525  
1526  
V-Belt  
1
1
1
1
1
2
0-710  
Pivot  
Bolt  
M8x20  
Bearing Arbor  
Tension Pulley  
Single Row Annular  
Bearing  
12x28x8  
12  
1527  
1528  
1529  
1530  
1531  
1532  
1533  
1534  
1535  
1536  
Check Ring  
Tube Separator  
Front Feed Oil Cup  
Check Ring  
Big Washer  
Check Ring  
Check Ring  
Front Panel  
Cover  
1
1
1
1
1
1
1
1
1
1
6
12  
12  
28  
Screw  
M5x35  
REV 09g  
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motor and pulley drive assembly drawing  
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bed parts list  
item #  
101  
102  
107  
108  
109  
110  
111  
112  
113  
114  
115  
116  
117  
118  
name  
Qty  
remarKs  
Left Support of Lead Screw  
1
Flat Key  
1
4 x 6  
A 400B 555  
M8 x 12  
Bed  
1
Screw  
1
Screw  
A 4 B 5  
M5 x 16  
Oil Cup  
2
1
1
1
1
1
3
1
2
Right Support of Lead Screw  
Screw  
M6 x 16  
6 x 22  
Laer-pin  
Lead Screw  
Rack  
Screw  
M4 x 16  
5 x 16  
Adjusting Disc  
Spring Pin  
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bed assembly drawing  
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tailstock parts list  
item #  
301  
303  
304  
305  
306  
307  
308  
310  
311  
312  
313  
314  
315  
316  
317  
318  
319  
320  
321  
322  
323  
324  
325  
326  
name  
Qty  
remarKs  
M8x20  
B12  
Screw  
1
1
1
1
1
1
1
1
1
1
2
1
1
4
1
1
1
1
1
1
1
1
1
1
Washer  
Nut  
M12  
Tailstock Body  
Single Row Radial Ball Bearing  
Tailstock Leadscrew  
Tailstock Sleeve  
Washer  
8101  
B8  
6
Bolt  
Hand Lever  
Force Feed Oil Cup  
T-type Flat Key  
Screw  
M8x16  
M5x16  
Screw  
Tailstock End Cover  
Cylinder Pin  
4x30  
Spring Bow  
Handwheel  
Hand Lever Bolt  
Hand Lever Sleeve  
Index Ring  
Bolt  
M12x80  
Tailstock Clamp Plate  
Base  
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tailstock assembly drawing  
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rest parts list  
item #  
401  
402  
403  
404  
405  
406  
407  
408  
409  
410  
411  
412  
413  
414  
415  
416  
417  
418  
419  
420  
421  
422  
423  
424  
425  
426  
427  
428  
429  
430  
431  
432  
name  
Qty  
2
1
2
1
1
3
3
1
1
1
1
8
1
1
1
1
1
1
1
1
1
2
1
2
1
2
1
1
1
1
2
1
remarKs  
Nut  
Index Piece  
Rivet  
Cutter Rest Revolving Disc  
Rest Bolt  
Nut  
M4  
M4x20  
M4x12  
M4  
Screw  
Screw  
Nut  
Position Pin  
Square Cutter Rest  
Screw  
M8x25  
Hand Lever  
Hand Lever Base  
Washer  
Spring  
Cutter Rest Carriage  
Pad Iron  
Cylinder Pin  
Cutter Rest Carriage Lead  
Flat Key  
3x10  
3x10  
6
Force Feed Oil Cup  
Leadscrew Support  
Screw  
M5x16  
Spring Bow  
Hand Lever  
Nut  
M8  
B8  
Washer  
Cutter Rest Carriage Hand Wheel  
Index Ring  
Screw  
M6x22  
Clamp Disc  
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rest assembly drawing  
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saddle parts list  
item #  
501  
502  
503  
504  
505  
506  
507  
508  
509  
510  
511  
512  
513  
514  
515  
516  
517  
518  
519  
520  
521  
522  
523  
524  
525  
526  
527  
528  
529  
530  
531  
532  
533  
534  
535  
536  
537  
538  
539  
540  
541  
542  
name  
Qty  
1
1
9
1
1
1
4
1
4
1
2
1
4
4
1
1
8
1
1
4
5
5
1
1
3
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
remarKs  
Screw  
M5x10  
Washer  
Oil Cup  
Nut  
Middle Saddle  
Large Saddle  
Screw  
M5x20  
M8x20  
M6x35  
Screw  
Screw  
Protecting panel and oil-stopping falt  
Screw  
M8x10  
Protecting panel and oil-stopping falt  
Screw  
M525  
M5  
Nut  
Pad Iron  
Protecting panel and oil-stopping falt  
Screw  
M3x12  
Rear-clamp plate  
Pad Iron  
Screw  
M5x16  
M4x16  
M4x16  
Nut  
Screw  
Protecting panel and oil-stopping falt  
Flat Key  
4x8  
Screw  
M5x22  
Pring Bow  
Washer  
Screw  
M6x10  
Bracking Plate  
Saddle Front-clamp Plate  
Hand Lever Bolt  
Hand Lever Sleeve  
Hand wheel  
Rolling Bearing  
Index Ring  
8101  
100 Rulled  
0.02mm  
8101  
Bearing Base  
Rolling Bearing  
Leadscrew  
Leadscrew support  
Nut  
10TPI  
10TPI  
M3x16  
M8x20  
Screw  
Screw  
Page 22  
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saddle assembly drawing  
Page 23  
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apron parts list  
item #  
601  
602  
603  
604  
605  
606  
607  
608  
609  
610  
611  
612  
613  
614  
615  
616  
617  
618  
619  
620  
621  
622  
623  
624  
625  
626  
627  
628  
629  
630  
631  
632  
633  
name  
Qty  
1
remarKs  
Slotted Disc  
Taper Pin  
1
3x20  
Shaft Sleeve  
Case  
1
1
Bolt  
3
M5x30  
M5  
Nut  
3
Revolving Shaft  
Hand Lever  
Steel Ball  
1
1
Shared Piece  
5
1
Spring  
1
08x5x25  
Positioning Lever  
Screw  
1
1
M6x10  
M6x20  
M4x8  
Screw  
1
Screw  
3
Flanged Shaft Sleeve  
Taper Pin  
1
1
3x30  
Hand Lever Sleeve  
Hand Lever Sleeve  
Handwheel  
Screw  
1
1
1
Shared Piece  
M4x8  
3
Small Flanged Shaft Sleeve  
Small Gear Shaft  
Shaft Sleeve  
Gear  
1
1
1
1
Shaft Sleeve  
Flat Key  
1
1
5x10  
Gear Shaft  
Screw  
1
2
M4x8  
M5x30  
M5x25  
Nut  
1
Screw  
1
Clasp-nut  
1 set  
1
Pad Iron  
Cylinderial Pin  
2
5x12  
Page 24  
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apron assembly drawing  
Page 25  
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gear box parts list  
item #  
801  
802  
803  
804  
805  
806  
807  
808  
809  
810  
811  
812  
813  
814  
815  
816  
817  
818  
819  
820  
821  
822  
823  
824  
825  
826  
827  
828  
829  
830  
831  
832  
833  
834  
835  
836  
837  
name  
Qty  
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
3
1
1
2
1
1
1
1
1
1
2
1
1
1
2
3
1
2
1
1
1
remarKs  
Z70  
Change Gear  
Change Gear  
Change Gear  
Change Gear  
Change Gear  
Change Gear  
Change Gear  
Change Gear  
Change Gear  
Washer  
Z68  
Z66  
Z60  
Z50  
Z48  
Z45  
Z40  
Z100  
Check Ring  
Screw  
6
M5x8  
Z30  
Z90  
Change Gear  
Change Gear  
Shaft Bolt  
Nut  
M12  
6
Oil Cup  
Change Gear  
Change Gear  
Open Washer  
Rolling Bearing  
Z80  
Z35  
12x28x8  
Z40  
Intermediate Gear  
Check Ring  
Outer Washer  
Fixed Shaft Bolt  
Washer  
Z12  
10  
M5x8  
6
Screw  
Washer  
Screw  
M6x10  
Cover  
Slide Bearing  
Washer  
Change Gear Box  
Square Nut  
Screw  
M6x35  
Z75  
Change Gear  
Chang Gear  
Z72  
Page 26  
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gear box assembly drawing  
drive system parts list  
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drive system parts list  
item #  
name  
no.of modular thread dia.of pulley component  
remarKs  
teeth  
pitch  
1.5  
1
hand  
no.  
1
2
3
Synchronized Drive Pulley  
Change Gear  
19  
15  
25  
08  
Spindle Pulley  
Ø72/102/120  
02  
4
6
Spindle Gear  
40  
1
02  
01  
05  
05  
04  
04  
06  
01  
06  
06  
06  
06  
03  
03  
15  
15  
08  
08  
08  
08  
08  
08  
15  
15  
15  
15  
Lead Screw  
12TPI  
10TPI  
10TPI  
20TPI  
20TPI  
1
Right  
Left  
8
Clearance Elimination Nut  
Carriage Leadscrew  
Cutter Rest Leadscrew  
Cutter Rest Revolving Disc  
Gear  
9
Left  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
21  
22  
24  
26  
27  
28  
28-1  
29  
30  
31  
32  
33  
34  
Right  
Right  
57  
17  
Rack  
1.25  
Gear Shaft  
1.25  
Clasp Nut  
12TPI  
Right  
Slotted Disc  
Pin  
Gb119 76/5x12  
Tailstock Leadscrew  
Tailstock Sleeve  
Synchronized Counter Pulley  
Tension Pulley  
Intermediate Gear  
Change Gear  
Change Gear  
Change Gear  
Change Gear  
Change Gear  
Synchronized Tooth Belt  
V-Belt  
10TPI  
10TPI  
1.5  
Left  
Left  
90  
Ø51/72/100  
40  
80  
1
1
35  
1
90  
1
30  
1
100  
118  
1
1.5  
B=15  
0720  
Motor Pulley  
Ø53/73/103  
Motor  
550w  
06  
Pinion Shaft  
17  
1
Page 28  
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roller bearing parts list  
item #  
name  
model no. specication Qty assembly no.  
remarKs  
5
Single Row Taper Roller Bearing  
Single-direction Trust Ball Bearing  
Single Row Annular Bearing  
Single Row Annular Bearing  
Single Row Annular Bearing  
2007107  
8101  
8101  
101  
35x62x17  
12x26x9  
12x26x9  
12x28x8  
12x28x8  
2
2
1
2
1
200  
500  
Grade D  
7
20  
23  
25  
300  
1500  
800  
101  
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drive system and roller bearing assembly drawing  
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limited 1year / 90 day Warranty  
Harbor Freight Tools Co. makes every effort to assure that its products meet high qual-  
ity and durability standards, and warrants to the original purchaser that for a period of ninety  
days from date of purchase that the engine/motor, the belts (if so equipped), and the blades  
(if so equipped) are free of defects in materials and workmanship. Harbor Freight Tools also  
warrants to the original purchaser, for a period of one year from date of purchase, that all other  
parts and components of the product are free from defects in materials and workmanship (90  
days if used by a professional contractor or if used as rental equipment). This warranty does  
not apply to damage due directly or indirectly, to misuse, abuse, negligence or accidents,  
repairs or alterations outside our facilities, normal wear and tear, or to lack of maintenance.  
We shall in no event be liable for death, injuries to persons or property, or for incidental, con-  
tingent, special or consequential damages arising from the use of our product. Some states  
do not allow the exclusion or limitation of incidental or consequential damages, so the above  
limitation of exclusion may not apply to you. THIS WARRANTY IS EXPRESSLY IN LIEU OF  
ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF  
MERCHANTABILITY AND FITNESS.  
To take advantage of this warranty, the product or part must be returned to us with  
transportation charges prepaid. Proof of purchase date and an explanation of the complaint  
must accompany the merchandise. If our inspection verifies the defect, we will either repair or  
replace the product at our election or we may elect to refund the purchase price if we cannot  
readily and quickly provide you with a replacement. We will return repaired products at our  
expense, but if we determine there is no defect, or that the defect resulted from causes not  
within the scope of our warranty, then you must bear the cost of returning the product.  
This warranty gives you specific legal rights and you may also have other rights which  
vary from state to state.  
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353  
For technical questions and replacement parts, please call 1-800-444-3353  
REV 09g  
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