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Page 9

For technical questions, please call 1-800-444-3353.

SKU 93212

generaL Mini Lathe 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

Bed Way

Chuck

H/L Speed Gear Shift Lever

Feed Direction Selector

Gear Drive Cover

Automatic Feed Handle

84a

Tailstock Quill Control Wheel

84b

Feed Control Wheel

86a

Cross Slide Crank

86b

Compound Rest Crank

100

Cross Slide

105/108 Compound Rest (A and B)

112

Tool Post

124

Power Cord

Part

description

126

Chip Tray

129

Lead Screw

138

Tailstock

143

Live Center

146

Tailstock Quill Fix Holder

151

Motor Cover

153

Rear Splash Guard

178

Power Switch

179

Fuse Holder

180

Speed Control Knob

181

Forward-Off-Reverse Switch

268

Tailstock Set Screw

302

Thread Dial Indicator

178

181

179

180

112 105 143

146 138

84(a)

268

86(b)

129

302

100

84(b)

86(a)

153

126

151

124

Figure 1

reV 10b

Содержание 93212

Страница 1: ...ts 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 technic...

Страница 2: ...h 12 Installing Handwheel Handles 12 Installing Guards 13 SET UP 14 Initial Test Run 14 Replacement of Chuck 15 Replacement of Jaws 15 Compound Rest Adjustment 17 Tailstock Adjustments 17 Tool Post Adjustment 18 Automatic Feeding 18 Threading Dial 19 Operation 20 Start up 20 To Stop the Lathe 21 Basic Operations 22 Threading Gears 23 Thread Size Gear Settings 23 Automatic Feed and Threading Dial 2...

Страница 3: ... symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury NOTICE is used to address practices not related to personal injury CAUTION without the safety alert symbol is used to address practices not related to personal injury General Tool Safety Warnings WARNING Read all safety warnings and instructions Failure to follow the warnings and instructions may ...

Страница 4: ...lenses they are NOT safety glasses SECURE WORK Use clamps or a vise 12 to hold work when practical It s safer than using your hand and it frees both hands to operate tool DON T OVERREACH Keep proper 13 footing and balance at all times MAINTAIN TOOLS WITH CARE Keep 14 tools sharp and clean for best and safest performance Follow instructions for lubricating and changing accessories DISCONNECT TOOLS ...

Страница 5: ...ssary do not connect the equipment grounding conductor to a live terminal Check with a qualified electrician or 4 service personnel if the grounding instructions are not completely understood or if in doubt as to whether the tool is properly grounded Use only 3 wire extension cords that 5 have 3 prong grounding plugs and 3 pole receptacles that accept the tool s plug Repair or replace damaged or w...

Страница 6: ...e before starting the lathe Check that no part of the tool tool 18 holder compound slide cross slide or carriage will contact the chuck during operation Use the appropriate feed and speed 19 rates for the project Allow the lathe to reach its full speed 20 before beginning a cut Only use safety equipment that has been 21 approved by an appropriate standards agency Unapproved safety equipment may no...

Страница 7: ... temporary or permanent physical injury particularly to the hands arms and shoulders To reduce the risk of vibration related injury Anyone using vibrating tools regularly 1 or for an extended period should first be examined by a doctor and then have regular medical check ups to ensure medical problems are not being caused or worsened from use Pregnant women or people who have impaired blood circul...

Страница 8: ... make sure that the item is intact and undamaged If any parts are missing or broken please call Harbor Freight Tools at 1 800 444 3353 as soon as possible Packing List Description Qty Part s 1 Main unit 1 2 External Chuck Jaw Set 3 jaws 166 3 Chip Tray 1 126 4 Chuck Key 1 167 5 5 A Fuse 1 314 6 Gear 30 35 40 40 45 50 55 57 60 65 T 10 gears 157 165 7 Spanner Wrench 8 10 14 17 2 wrenches 312 313 8 H...

Страница 9: ...matic Feed Handle 84a Tailstock Quill Control Wheel 84b Feed Control Wheel 86a Cross Slide Crank 86b Compound Rest Crank 100 Cross Slide 105 108 Compound Rest A and B 112 Tool Post 124 Power Cord Part Description 126 Chip Tray 129 Lead Screw 138 Tailstock 143 Live Center 146 Tailstock Quill Fix Holder 151 Motor Cover 153 Rear Splash Guard 178 Power Switch 179 Fuse Holder 180 Speed Control Knob 181...

Страница 10: ...before turning on the Lathe Note The Speed Control Knob 180 is dependant on the H L Gear Shift Lever 33 When the H L Gear Shift Lever is in the Low setting the Speed Control Knob runs from 0 to 1100 RPM When the H L Gear Shift Lever is in the High setting the Speed Control Knob runs from 0 to 2500 RPM Controls on the Back of the Lathe Figure 3 H L Gear Shift Lever 33 Feed Direction Selector 35 Fee...

Страница 11: ... Center fits into the Tailstock Quill 142 on the Tailstock 138 and helps to hold the end of the workpiece that is opposite from the Chuck 2 A live center spins with the workpiece and chuck while a dead center sold separately does not spin Tailstock 138 The Tailstock holds the Tailstock Quill 142 which is used to hold various tools sold separately or a Live Center 143 Thread Indicator Dial 302 The ...

Страница 12: ...thread the Bolts 67 from the bottom of the Chip Tray 126 Slide the Rubber Feet onto the Bolts and re thread them into the bottom of the Lathe through the Chip Tray holes Tighten securely To Mount the Lathe to a Workbench Figure 5 14 7 8 Drill holes for permanent mounting 2 7 8 Unthread the Bolts 67 from the bottom of the unit Measure and drill holes in the workbench Use appropriate length M6 1 bol...

Страница 13: ...1 to the Hinge using the Screws The Chuck Guard should be aligned so that it covers the Chuck 2 when swung down over it Figure 9 2 To install the Protective Cover 235 remove the Screw 238 from the Compound Rest 108 Slide the Screw 238 through the Protective Cover 235 Washer 239 Spring 237 and Nut 240 Then thread the Screw 238 into the Compound Rest 108 Slide the notch in the Protective Cover 235 o...

Страница 14: ...1 Fuse Holder 179 Power Switch 178 Speed Control Knob 180 make sure the Forward OFF Reverse Switch 181 is set to the OFF position Turn the Speed Control Knob 180 to 6 zero WARNING BEFORE TURNING ON THE MINI LATHE EACH TIME IT IS TO BE USED THE SPEED CONTROL KNOB 180 MUST BE SET TO ZERO Plug in the electrical cord and turn 7 the Forward OFF Reverse Switch to Forward Turn the Power Switch 178 to the...

Страница 15: ... Compound Rest Crank 86b 14 and the Cross Slide Crank 86a to see that the Compound Rest 105 108 and Cross Slide work properly If they are too tight or too loose adjust the Gibs 94 107 located at both crank sides See Gib Adjustments in the Maintenance Section of this manual Replacement of Chuck Figure 13 Nut 6 Spindle 3 Chuck 2 1 When replacing the Chuck place a cloth or a piece of wood on the bedw...

Страница 16: ...e spiral of the scroll rotates around the Chuck Figure 16 Lead thread of Scroll Chuck 2 Insert Chuck Key 167 Turn Clockwise A Insert Jaw 1 B C To replace the Jaws Unplug the Lathe a Place a towel under the Chuck to b protect the Bed Way 1 from any Jaws that may be dropped Carefully remove any Jaws by inserting the Chuck Key 167 into the side of the Chuck turning it counterclockwise and sliding eac...

Страница 17: ...s The Tailstock 138 holds tools such as the Live Center 143 which are used with the Chuck Jaws 167 or 168 to hold work pieces in place Tailstock Nut 268 Tailstock 138 Tailstock Quill Fix Holder 146 Live Center 143 Tailstock Quill 142 Tailstock Quill Control Wheel 84a Figure 18 Nut 6 Screw 197 Underside of Tailstock 1 Use the Tailstock Quill Control Wheel 84a to position the Live Center Turning the...

Страница 18: ...ol Post Lever clockwise tightening the Tool Post in place To install a cutting tool Sold separately Use the 1 4 Hex Wrench part of 311 a to raise enough Tool Post Bolts 110 to hold the tool Use at least two Tool Post Bolts to hold the tool in place Turn counterclockwise to raise Slide the tool under the raised screws b and hold it while lowering the screws until they are securely holding the tool ...

Страница 19: ...aged Dial Disengaged Rotate up to engage Figure 21 a Adjust the dial to line up with one of the numbers or lines as needed Consult advanced information about cutting threads with mini lathes to determine where to line up the dial for your threading project Use the 5mm Hex Wrench part of b 311 to loosen the Plate 303 and the Threading Dial Body 68 Rotate both pieces so the Pinion 66 c on the back s...

Страница 20: ...rank 86a Dials 87 Compound Rest Crank 86b To do this begin rotating the Crank in the desired direction until all play is gone Hold the Crank in place with one hand and rotate the Dial 87 to zero Repeat each time before using a Crank in either direction when you need precise measurements Adjust the Controls 4 H L L N R Figure 23 a On the back of the Lathe set the Spindle Speed with the H L Gear Shi...

Страница 21: ...perating position over the Chuck 2 The Pin 251 must be correctly seated in the recess in the Rotating Plate 252 for the Lathe to work Plug in the Lathe 6 Forward OFF Reverse Switch 181 Power Switch 178 Speed Control Knob 180 Figure 26 7 Move the Power Switch 178 to the On position switch will turn Red and place the Forward Off Reverse Switch 181 in the direction needed Move the Variable Speed Cont...

Страница 22: ...ng this tool Holding a project between the Chuck 2 and the Live Center 143 Figure 27 As seen from back of Lathe to show detail 1 Use the chuck to hold the workpiece firmly Then use the Live Center 143 to fix the other end Note If you change the Live Center to a drilling chuck sold separately you start your drilling immediately Face Cutting Figure 28 2 Use the chuck to hold the workpiece firmly and...

Страница 23: ...ad size use the gear box settings shown on the table that follows Thread Size Gear Settings Threads Per Inch Gear Box Stud A B C D 12 40 30 13 40 65 60 30 14 40 35 16 40 40 18 40 45 19 40 50 60 57 20 40 50 22 40 55 24 40 60 26 40 65 28 20 35 32 20 40 36 20 45 38 20 50 60 57 40 20 50 44 20 55 48 20 60 52 20 65 A B D A B D Example 1 To cut 12 threads per inch see illustration above use 40T in positi...

Страница 24: ...ion about cutting threads with mini lathes Use the following table also located on the front of the Lathe to determine what number to start threading Indicator Table 16T T P I SCALE T P I SCALE 12 1 3 5 7 26 1 5 13 1 28 1 3 5 7 14 1 5 32 1 8 16 1 8 36 1 3 5 7 18 1 5 38 1 5 19 1 40 1 8 20 1 3 5 7 44 1 3 5 7 22 1 5 48 1 8 24 1 8 52 1 3 5 7 Move the cutting blade to the proper position Pull down the ...

Страница 25: ...alified service technician Belt Inspection and Tensioning Remove belt cover if equipped 1 Examine belt for cracks tears in the 2 backing or other damage Replace belt if damaged according to steps below Loosen the motor mounting bolts and a slide the motor towards the other pulley as far as possible Slide the old belt off of the smallest b pulley first then remove it Put the new belt around the lar...

Страница 26: ...e checked periodically for any play Readjust the Gibs as needed Compound Rest A 108 Gib Screws 106 and Nuts 98 Gib Screws 99 and Nuts 98 Gib 94 Cross Slide 100 Figure 32 To make the adjustment Unplug the Lathe 1 Working one set of three gib Screws and 2 Nuts at a time loosen the three Nuts 98 with a wrench sold separately Holding the center Nut with the wrench 3 loosen or tighten the Center Screw ...

Страница 27: ...unt of accuracy is achieved Replacement of Carbon Brushes Carbon Brush 318 Carbon Brush Cover Back Motor Cover 151 Front Bed Way 1 Plug Carbon Brush Cover Carbon Brush Cover Feed Control Wheel 84b Figure 33 1 Unscrew the Brush Covers on the front and back of the machine using a flat head screwdriver sold separately Pull the Brush out noting the orientation 2 of the old Carbon Brushes to prevent ne...

Страница 28: ...t Fuse 314 1 To Remove the Fuse Holder Insert a flathead screwdriver sold a separately into the slot in the Fuse Holder Press down and turn counterclockwise b 1 4 turn Release pressure Pull the Fuse Holder c and Fuse out of the socket Replace with a new 250V 3 amp mini d glass fuse To Replace the Fuse Holder slide it into 2 the Fuse Holder Socket and press in with the screw driver turning clockwis...

Страница 29: ...Lathe stalls Incorrect workpiece material 1 metal Drive Pulleys slipping on shaft 2 Removing too much material per 3 pass Use metal suited for Lathe 1 Tighten or Replace Pulleys 27 148 2 Remove less material per pass 3 Lathe operates slowly Extension cord too long or wire size too small Eliminate use of extension cord If an extension cord is needed use shorter heavier gauge cord See Extension Cord...

Страница 30: ... or unbalanced 5 Spindle bearings worn 6 Re center workpiece 1 Tighten or replace the belt 2 Align Drive Pulleys 27 148 3 Inspect gears and replace if needed 4 Tighten Nuts 6 or have a qualified technician 5 rebalance Chuck Have a qualified technician replace bearings 6 Uneven surface finish Incorrect RPM or feed rate for 1 job Dull or incorrect tool for job 2 Gibs need adjustment 3 Tool positione...

Страница 31: ...hen reinstall Gibs Loosen Gib screws 99 and or 106 and lubricate 2 bedways Lubricate bedways 3 Cutting Tool or machine components vibrate excessively during operation Tool Post 112 too loose 1 Cutting tool jutting too far out of 2 Tool Post or not secure Gibs need adjustment 3 Cutting tool need sharpening 4 RPM or feed rate incorrect for 5 job Clean any debris around Tool Post then securely 1 tigh...

Страница 32: ...Screw M5 x 8 12 57 Washer M4 2 58 Bushing w key 1 59 Gear 80T 2 60 Shaft 1 61 Support plate 1 62 Washer 8 3 63 Nut M8 3 64 Shaft 1 Part Description Qty 65 Threading Dial 1 66 Pinion 16T 1 67 Bolt M6 x 16 10 68 Threading Dial Body 1 69 Set screw M4 x 10 3 70 Apron 1 71 Gib strip 1 72 Washer 2 73 Screw M4 x 8 2 74 Shaft 1 75 Half nut base 1 76 Angle block 1 77 Screw M4 x 10 2 78 Groove cam 1 79 Auto...

Страница 33: ... 185 Spring washer 5 1 186 Washer 5 1 187 Key 3 16 1 188 Spacer 1 190 Spring 2 191 Washer 8 1 192 Spring washer 2 193 Screw M8 x 55 2 Part Description Qty 194 Screw M4 x 38 1 195 Nut M4 1 196 Tailstock plate 1 197 Screw M5 x 16 1 198 Flange 1 199 Screw M5 x 25 1 200 Key 3 x 12 1 201 Chuck Guard 1 202 Hinge 1 205 Spring washer 6 1 206 Big washer 6 1 207 Spring 1 208 Washer 6 1 209 Screw M3 x 4 4 21...

Страница 34: ...Page 34 For technical questions please call 1 800 444 3353 SKU 93212 ASSEMBLY DIAGRAM REV 10b ...

Страница 35: ...EMBLY 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 a b REV 10b ...

Страница 36: ...nical questions please call 1 800 444 3353 SKU 93212 MOTOR FUSE POWER SWITCH SAFETY SWITCH FC250BJ 110V CONTROLLER POTENTIOMETER F O R SWITCH POWER CORD DC Output AC Input White Black Rev Off For WIRING DIAGRAM REV 10b ...

Страница 37: ...y or for incidental contingent 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 advantag...

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