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Harbor Freight Tools 93212 manual

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  • Page 1

    7” X 10” PRECISION MINI LA THE Model 93212 SET UP AND OPERA TING INSTRUCTIONS Visit our website at: http://www .harborfreight.com Read this material before using this product. Failure to do so can result in serious injury . SA VE THIS MANUAL. Copyright © 2006 by Harbor Freight T ools ® . All rights reserved. No portion of this manual or any a[...]

  • Page 2

    Page 2 For technical questions, please call 1-800-444-3353. SKU 93212 CONTENTS IMPORT ANT SAFETY INFORMA TION ................................. 3 GENERAL T OOL SAFETY W ARNINGS . 3 GROUNDING INSTRUCTIONS .......... 5 1 10-120 V~ GROUNDED TOOLS: TOOLS WITH THREE PRONG PLUGS 5 MINI LA THE SAFETY W ARNINGS ......... 5 SPECIFICA TIONS .................[...]

  • Page 3

    Page 3 For technical questions, please call 1-800-444-3353. SKU 93212 SA VE THIS MANUAL Keep this manual for the safety warnings and precautions, assembly , operating, inspection, maintenance and cleaning procedures. Write the product’ s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product ha[...]

  • Page 4

    Page 4 For technical questions, please call 1-800-444-3353. SKU 93212 USE RIGHT TOOL. Don’t force tool or 8. attachment to do a job for which it was not designed. RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS (120 VOL T) NAMEPLA TE AMPERES (at full load) EXTENSION CORD LENGTH 25’ 50’ 100’ 150’ 0 – 6 18 16 16 14 6.1 – 10 18 16 14 [...]

  • Page 5

    Page 5 For technical questions, please call 1-800-444-3353. SKU 93212 GROUNDING INSTRUCTIONS TO PREVENT ELECTRIC SHOCK AND DEA TH FROM INCORRECT GROUNDING WIRE CONNECTION READ AND FOLLOW THESE INSTRUCTIONS: 1 10-120 V~ Grounded T ools: T ools with Three Prong Plugs In the event of a malfunction or 1. breakdown, grounding provides a path of least re[...]

  • Page 6

    Page 6 For technical questions, please call 1-800-444-3353. SKU 93212 DO NOT OPERA TE WITH ANY 6. GUARD DISABLED, DAMAGED, OR REMOVED. Moving guards must move freely and close instantly . Rotate workpiece by hand before 7. applying power . Rough out workpiece before installing on 8. faceplate. Do not mount split workpiece or one 9. containing knot.[...]

  • Page 7

    Page 7 For technical questions, please call 1-800-444-3353. SKU 93212 Y our risk from these exposures varies, depending on how often you do this type of work. T o reduce your exposure to these chemicals: work in a well ventilated area, and work with approved safety equipment, such as those dust masks that are specially designed to lter out micro[...]

  • Page 8

    Page 8 For technical questions, please call 1-800-444-3353. SKU 93212 SPECIFICA TIONS Motor 120 V~ / 60 Hz / 3/4 HP Speed Ranges 0 - 1 100 RPM (Low) 0 - 2500 RPM (High) Fuse T ype Fast Acting 4 amp mini glass (F4AL250VP) Belt Lx136 Pitch: 1.5mm T eeth: 70 Drive Gear and Belt Swing Over Bed 7” Dist. Between Centers 10” Swing Over Cross Slide 2-1[...]

  • Page 9

    Page 9 For technical questions, please call 1-800-444-3353. SKU 93212 GENERAL MINI LA THE COMPONENTS Note: Refer to the parts list and diagram at the end of this manual for complete part number listings and locations. See the following page for a description of the major components. Part Description 1 Bed W ay 2 Chuck 33 H/L Speed Gear Shift Lever [...]

  • Page 10

    Page 10 For technical questions, please call 1-800-444-3353. SKU 93212 Controls on the Front of the Lathe Forward-OFF-Reverse Switch (181) Power Switch (178) Speed Control Knob (180) Figure 2 Power Switch (178) T urns on and off power to the motor . When the Power Switch is lit, the motor is on. Forward-OFF-Reverse Switch (181) Changes the Spindle [...]

  • Page 11

    Page 1 1 For technical questions, please call 1-800-444-3353. SKU 93212 Bed W ay (1) - The Bed W ay is the base of the work area under the Chuck and T ailstock. It is where the T ailstock and Compound Rest are attached and what they slide along. Chuck (2) - The Chuck holds the three Jaws (two sets included) which clamp the work piece in place. Comp[...]

  • Page 12

    Page 12 For technical questions, please call 1-800-444-3353. SKU 93212 ASSEMBL Y INSTRUCTIONS Note: For additional information regarding the parts listed in the following pages, refer to the Assembly Diagram near the end of this manual. 1. W ARNING! Make sure the Power Switch of the tool is in its “OFF” position and that the tool is unplugged f[...]

  • Page 13

    Page 13 For technical questions, please call 1-800-444-3353. SKU 93212 Installing Guards Figure 7 Protective Cover (235) Chuck Guard (201) Figure 8 1. T o install the Chuck Guard (201), remove the two Screws (73) on the Hinge (202). Attach the Chuck Guard (201) to the Hinge using the Screws. The Chuck Guard should be aligned so that it covers the C[...]

  • Page 14

    Page 14 For technical questions, please call 1-800-444-3353. SKU 93212 SET UP Initial T est Run Before further set-up of the Lathe, check that the power components are working properly by performing the following test run. Check that all loose parts and tools are 1. out of the way and nothing will interfere with the Chuck (2) when it rotates. Figur[...]

  • Page 15

    Page 15 For technical questions, please call 1-800-444-3353. SKU 93212 setting, and letting it run for several minutes at each setting before increasing to the next level. Continue until you’ve run the Lathe all the way up to the highest setting. T urn the Power Switch OFF and wait for 1 1. the Lathe to come to a complete stop. Repeat the process[...]

  • Page 16

    Page 16 For technical questions, please call 1-800-444-3353. SKU 93212 in the Chuck groove. The Jaws are designed to work as complete sets. Do not mix pieces from one set with the other set when installing in the Chuck. Figure 15 Chuck (2) Chuck Key (167) Scroll Grooves Jaw The jaws are held in place by a spiralled scroll inside the Chuck which rot[...]

  • Page 17

    Page 17 For technical questions, please call 1-800-444-3353. SKU 93212 slightly , then clockwise, to engage the lead thread into the Jaw (B and C in Figure 16). Slide Jaw #2 into the next groove e. and continue turning the Chuck Key clockwise to advance the lead thread into the next Jaw . Slide Jaw #3 with the same procedure as Jaw #2. Note: When m[...]

  • Page 18

    Page 18 For technical questions, please call 1-800-444-3353. SKU 93212 The T ailstock Quill is locked in place with 4. the T ailstock Quill Fix Holder (146). T urn it clockwise to lock the Quill in place and counterclockwise to loosen it. T ighten the Nut (6) underneath the Quill to eliminate any play in the Quill. 5. T o adjust the T ailstock slig[...]

  • Page 19

    Page 19 For technical questions, please call 1-800-444-3353. SKU 93212 Threading Dial The Threading Dial (65) is used to align and track the threads cut in a threading project. It can only be used when the Lathe is set to automatic feed (See previous section on Automatic Feeding). T o set up the Threading Dial: Threading Dial (65) Threading Dial Bo[...]

  • Page 20

    Page 20 For technical questions, please call 1-800-444-3353. SKU 93212 OPERA TION Start up Note: Not following this start-up procedure will cause the Lathe to immediately shutdown. This is an overload protection feature for the circuit board and motor . Begin with the Lathe unplugged. 1. Install the required Jaws (166 or 168) 2. into the Chuck (2).[...]

  • Page 21

    Page 21 For technical questions, please call 1-800-444-3353. SKU 93212 Chuck Guard (201) Properly in place Safety Mechanism Figure 25 Safety Mechanism Pin (251) properly extended into the recess, allowing the lathe to operate. Rotating Plate (252) 5. The Chuck Guard (201) has a safety interlock and the Lathe will not operate unless the guard is pro[...]

  • Page 22

    Page 22 For technical questions, please call 1-800-444-3353. SKU 93212 Basic Operations W ARNING: Make sure the Lathe power is off and the Lathe is unplugged before setting up a project or working near the Chuck (2). Following are some of the basic operations used with the Lathe. It is recommended that you become familiar with mini lathe techniques[...]

  • Page 23

    Page 23 For technical questions, please call 1-800-444-3353. SKU 93212 Bevel Cutting Figure 30 4. After adjusting the angle of the compound rest, you can make bevel cuts. 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 follows: D B A C A B C D D A B C Motor end view of[...]

  • Page 24

    Page 24 For technical questions, please call 1-800-444-3353. SKU 93212 Automatic Feed and Threading Dial Once the gears are set up, you will need to engage the Threading Dial (65) so you can monitor the number of threads cut. Set up the Threading Dial as described in the SET UP section under Threading Dial . Set the direction for the lathe with the[...]

  • Page 25

    Page 25 For technical questions, please call 1-800-444-3353. SKU 93212 MAINTENANCE AND SER VICING  Proceduresnotspecically explained in this manual must beperformedonlybyaqualied technician. TO PREVENT SERIOUS INJUR Y FROM ACCIDENT AL OPERA TION: T urn the Power Switch of the tool to its “OFF” position and un[...]

  • Page 26

    Page 26 For technical questions, please call 1-800-444-3353. SKU 93212 bolts and moving the motor towards the other pulley very slightly . Secure motor mounting bolts and retest tension. Before use, replace belt cover if 4. equipped. Gib Adjustments Cross Slide Crank (86A) Compound Rest Crank (86B) Compound Rest A (108) Gib (94) Gib (107) Cross Sli[...]

  • Page 27

    Page 27 For technical questions, please call 1-800-444-3353. SKU 93212 Place the dead center in the T ailstock. 3. Attach a Lathe Dog (part of SKU 3448 - 4. sold separately) the to 6” piece from step 1 and mount between centers. T urn approximately 0.010” off of the 5. diameter of the mounted workpiece. Measure the workpiece with a 6. micromete[...]

  • Page 28

    Page 28 For technical questions, please call 1-800-444-3353. SKU 93212 Replacing the Fuse The Fuse (314) is located in the Fuse Holder (179) on the Control Panel (122). The Fuse Holder is spring tted. Figure 34 T o remove Fuse Holder (179) Press down, then turn counterclockwise. Fuse Holder (179) Control Panel (122) Fuse Holder (179) Fuse Holder[...]

  • Page 29

    Page 29 For technical questions, please call 1-800-444-3353. SKU 93212 T roubleshooting Problem Possible Causes Likely Solutions Motor and Electrical Lathe will not start or a breaker trips on startup. Cord not connected. 1. No power at outlet. 2. Fuse has blown. 3. Chuck Guard safety interlock not 4. in place. PC Board (182) faulty . 5. Power Swit[...]

  • Page 30

    Page 30 For technical questions, please call 1-800-444-3353. SKU 93212 Problem Possible Causes Likely Solutions Overheating. Motor overloaded. 1. Forcing machine to work too fast. 2. Accessory dull or damaged. 3. Incorrect RPM or feed rate. 4. Gear setup is too tight, gears 5. bind. Blocked motor housing vents. 6. Motor being strained by long or 7.[...]

  • Page 31

    Page 31 For technical questions, please call 1-800-444-3353. SKU 93212 PLEASE READ THE FOLLOWING CAREFULL Y THE MANUF ACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE P ARTS LIST AND ASSEMBL Y DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONL Y . NEITHER THE MANUF ACTURER OR DISTRIBUTOR MAKES ANY REPRESENT A TION OR WARRANTY OF ANY KIND T O THE BUYER THA T[...]

  • Page 32

    Page 32 For technical questions, please call 1-800-444-3353. SKU 93212 P ARTS LIST Part Description Qty 1 Bed way 1 2 Chuck 1 3 Spindle 1 4 Stud M6 x 25 3 6 Nut M6 5 7 Key 5 x 40 1 8 Key 4 x 8 2 9 Set Screw M5 x 12 6 10 Cover 2 11 Ball bearing 80206 2 12 Spacer 2 13 Headstock casting 1 14 H/L gear 21T/29T 1 15 Spacer 1 16 Spur gear 45T 1 17 Nut M27[...]

  • Page 33

    Page 33 For technical questions, please call 1-800-444-3353. SKU 93212 Part Description Qty 125 Rubber foot 4 126 Chip tray 1 127 Bracket 1 128 Key M3 x 16 1 129 Lead screw 1 131 Bracket 1 133 Screw M3 x 10 3 134 Rack 1 135 Clamp plate 1 136 Washer M10 1 137 Screw M5 x 16 1 138 T ailstock 1 139 T ailstock screw 1 140 Bracket 1 141 Screw M4 x 10 2 1[...]

  • Page 34

    Page 34 For technical questions, please call 1-800-444-3353. SKU 93212 ASSEMBL Y DIAGRAM REV 10b[...]

  • Page 35

    Page 35 For technical questions, please call 1-800-444-3353. SKU 93212 ASSEMBL Y DIAGRAM (CONTINUED) Record Product’ s Serial Number Here: Note: If product has no serial number , record month and year of purchase instead. Note: Some parts are listed and shown for illustration purposes only , and are not available individually as replacement parts[...]

  • Page 36

    Page 36 For technical questions, please call 1-800-444-3353. SKU 93212 MOTOR FUSE POWER SWITCH SAFETY SWITCH FC250BJ/1 10V CONTROLLER POTENTIOMETER F/O/R SWITCH POWER CORD DC Output AC Input White Black Rev Off For WIRING DIAGRAM REV 10b[...]

  • Page 37

    Page 37 For technical questions, please call 1-800-444-3353. SKU 93212 LIMITED 1 YEAR / 90 DA Y W ARRANTY Harbor Freight T ools Co. makes every effort to assure that its products meet high quality 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[...]