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Harbor Freight Tools 33684 manual

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Table of contents for the manual

  • Page 1

    7” x 10” Mini Lathe Model 33684 Assembly and Operating Instructions 3491 Mission Oaks Blvd., Camarillo, CA 9301 1 Copyright 2000 by Harbor Freight T ools ® . 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 T ools. For tec[...]

  • Page 2

    Important Safety Instructions READ ALL INSTRUCTIONS AND W ARNINGS BEFORE USING THIS T OOL. Operator COMMON SENSE AND CAUTION ARE F ACTORS WHICH CANNOT BE BUIL T INT O ANY PRODUCT . THESE F ACT ORS MUST BE SUPPLIED BY THE OPERA TOR. PLEASE REMEMBER: 1. When using electric tools, machines or equipment, basic safety precautions should always be follow[...]

  • Page 3

    Operation 1. Never force the tool or attachment to do the work of a larger industrial tool. It is designed to do the job better and more safely at the rate for which it was intended. 2. Do not carry the tool by its power cord. 3. Always unplug the cord by the plug. Never yank the cord out of the wall. 4. Always turn off the machine before unpluggin[...]

  • Page 4

    Additional Safety Rules for Mini Lathe 1. Before turning on the motor , make sure that proper lubrication is included (see page of this manual). 2. Always dismount the chuck and lathe’ s face plate by hand. Do not use power tools to perform these tasks. 3. After the chuck is installed, remove the wrenches and tools to eliminate the possi- bility [...]

  • Page 5

    Unpacking Carefully unpack the Mini Lathe and check all items. Figure 1 below shows all the contents of the carton. Do not discard any packing material until the Mini Lathe is fully assembled and operational. If any parts are missing or broken, please call Harbor Freight T ools at 1-800-444-3353. Be sure you have all parts described in the parts li[...]

  • Page 6

    Mini Lathe Features 1. Power Switch 2. Power lamp 3. Fuse 4. Speed Control Knob 6. Chuck 7. Compound Rest 8. T ool Post 9. Fixed Center 10.T ailstock Quill Fix Holder 1 1. T ailstock 12. T ailstock Quill Adjust Handwheel 13. T ailstock Set Screw 14. Compound Rest Crank 1.15. Feeding Control Wheel 16. Cross Feeding Crank 17. Automatic Feeding Handle[...]

  • Page 7

    Adjusting the Mini Lathe 1. Clean off the protective grease on the Mini Lathe. 2. Check to see that the three set screws on the chuck are tight. 3. T urn the chuck by hand and check that it rotates freely . 4. Move the Feeding Direction Selector (located on the back of lathe) to the middle. 5. Make sure the Switch (#1 in figure 4 below) is at the O[...]

  • Page 8

    Replacement of Jaws There are two types of jaws: the internal jaws and external jaws. Please note that the number of jaws fit with the number inside the chuck’ s groove. Do not mix them together . When you are going to mount the jaws, mount them in ascending order . When they are taken out, make sure to take them out in descending order (3-2-1) o[...]

  • Page 9

    T ool Post Adjustment Loosen the lever shown in (B) of figure 1 1, the adjust the tool post position. Once the adjustment is made, re-tighten the lever . T o replace the work cutter , loosen the screws (A) with the allen wrench provided. Automatic Feeding Adjust the feeding direction selector to the direction you desire. Press down the handle (A) i[...]

  • Page 10

    3. By changing the tool post angle and adjusting the compound rest, you can do internal cutting (figure 15). 4. After adjusting the angle of the compound rest, you can do bevel cutting (figure 16). Set-Up Instructions for Threading Gears By changing the gear set-up it is possible to cut any thread size. The factory set-up for Mini Lathe gears is as[...]

  • Page 11

    Gear Settings for V arious Thread Sizes SKU #33684 Page 11 Threads Stud Gear Box Threads Stud Gear Box Per Inch A B C D Per Inch A B C D 12 40 30 38 20 50 60 57 13 40 65 60 30 40 20 50 14 40 35 44 20 55 16 40 40 48 20 60 18 40 45 52 20 65 19 40 50 60 57 56 20 35 30 60 20 40 50 64 20 40 20 40 22 40 55 72 20 45 20 40 24 40 60 76 20 50 30 57 26 40 65 [...]

  • Page 12

    SKU #33684 Page 13[...]

  • Page 13

    SKU #33684 Page 14[...]

  • Page 14

    SKU #33684 Page 15 Parts Diagram[...]

  • Page 15

    Additional Set-Up Instructions for Threading Gears When the lathe is ON and the Spindle is revolving, the threaded bar and the Thread Dial Indicator will also be revolving (see below). Insure that the Alignment Mark is lined up with the Thread Dial Indicator before operation. Move the cutting blade to the proper position, and adjust theThread Dial [...]

  • Page 16

    SKU #33684 Page 16[...]

  • Page 17

    P ACKING LIST N o . Description Qt y Part No. 1 7” x 10” Mini Lathe 1 piece 2 Chuck external jaws 3 piece 3 Chueck Key 1 piece 4 Fuse 5A 1 piece 5 Gear Z: 30, 35, 40, 40, 45, 50, 55, 57, 60, 65 10 pieces 6 Double head wrench 8-10, 14-17 2 pieces 7 Inside six horn wrench S: 3, 4, 5, 6 4 pieces 8 Oil can 1 piece 9 Center MT : 2 1 piece 143 1 0 Ru[...]

  • Page 18

    SKU #33684 Page 18 Potentiometer Switch 2 Motor Switch 1 1 10V/60Hz Fuse SCHEMA TIC DIAGRAM REV 08/04[...]