Harbor Freight Tools 93212 Lathe User Manual
Contents
1. iN N zx BEN 272 ProtectiveCover 1 273 ScrewM4x6 2 j 300 Seew 1 1 j 301 Label 1 j 302 ThreadDialindicator 1 308 Plate 1 j 304 ScewM6x12 1_ 310 Ollcan amp 1 j 3115 Lhexwrenchset 3 4 5 6 1 312 Doubleend wrench 8 10 1 313 Doubleendwrench 4177 1 318 Carbon brushset 1 Not shown on Assembly Diagrams REV 10b SKU 93212 For technical questions please call 1 800 444 3353 Page 33 ASSEMBLY DIAGRAM D0 Le VIDES m I D o hd o di 1 E Lj dba 4 N 4 W REV 10b Page 34 For technical questions please call 1 800 444 3353 SKU 93212 ASSEMBLY DIAGRAM CONTINUED I 146 P 145 139 145 142 1404 44 137 LJ pri OZ N B us 138 q 193 268 gt 199 ate 136 LE E 196 19 197 CUZ Record Product s Serial Number Here Note If produc2. 36 LIMITED 1 YEAR 90 DAY WARRANTY 37 REV 10b SKU 93212 SAVE 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 has no number Keep this manual and the receipt in a safe and dry place for future reference IMPORTANT SAFETY INFORMATION In this manual on the labeling and all other information provided with this product This is the safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death DANGER indicates a A DANGER hazardous situation which if not avoided will result in death or serious injury AWARNING WARNING indicates a hazardous situation which if not avoided could result in death or serious injury ACAUTION CAUTION used with the safety alert symbol indicates a hazardous situation which if not avoided could result in minor or moderate injury SKU 93212 For technical questions please call 1 800 444 3353 NOTICE is used to address practices not NOTICE related to personal injury CAUTION without the CAUTION safety alert symbol is used to address practices not related to personal injury Gene
3. 1 2 208 Washer6 1 140 Bracket 0 71 2 209 ScrewM3x4 24 141 ScewM4x10 2 210 Switchcover 1 42 Tailstock quill 1 211 ScewM5x16 0 43 jLiveCentr 1 212 Fixedcover 1 44 j StdM8x40 1 235 Protective cover 1 45 Clamp 1 236 Slotted screw 1 Tailstock Quill Fix Holder 1 Compression spring 1 Pulley Screw M6 x 30 LE ow 150 jMoton 1 Small washer 6 LN 151 MotrCovr 1 725 HeegonntM 1 152 CableRoler 1 L 1 153 Rearspashguard 1 752 Roepe O 1 15r Gerst 1 1 1 S8rw29x45 15 Gea3oT 7259 Cover y 159 5 1 1 1 2 725 MeoSwkh 16 5 5 726 Dusprootseeve 1 101 Gears 5 5 1 J 7257 J Protective Cover forLeadscrew 1 1027 Geaoor 0 1 SrwMox8 3 16 Gears7t 75 1 2 104 1 1 3 1 BgWaner f gt 165 Gerst 6 swwM x2 O 1 2 166 Exemalaws Ge 3 1 mistckNuMi0 1 167 External Jaw set 21 SrewM5xi4 1 168 mtemalJaw se LeadscewSuppt Tn 172 Check ring 8 1 A
4. 1 j 47 Parllelkey3x8 1 48 11 2 49 ScewM5x18 2 50 Gear20T_ 2 j 91 jWashrM 6 52 CapScrewM6x8 2 53 Gear Drive Cover 1 54 ScewM5x45 3 2 j 55 Thread cutting chat 1 56 ScewM5x8 12 57 WasherM4 2 j 58 Bushingwkey 1 99 Gear80T 2 j 60 Shaft 1 y 61 Supportplate 1 62 3 63 3 j 64 Shaft 1124 AFA SB Aa Phy Sa SB ey ey ey i l l RSPR Te el lel RS PMO PRO TOO TOOT RT 7 Nh jojo 32 For technical questions please call 1 800 444 3353 Pat Description 66 Pinion 16T 11412 68 ThreadingDial Body 1 69 jSetscewM4x10 3 71 jGibsrip j 1 72 Washer 1202 73 ScrewM4x8 2 74 8 tt 75 jHafnutbaese 1 76 1 77 SeewM4x10 2 78 jGrovecam 11 2 79 AutomaticFeedLever 11 2 80 Shaft te 81 Feedinggear11T 54T 11 2 82 jFeedinggear24T 1 83 ScrewM6x10 O 4 84a Wheel Tailstock Quill Contro 1 84b Wheel Feed Contro 1 85 j Knb 2 4L L 9 2 86A Cross Slide 1 868 Compound Rest Crank 1 87 1224 88 Bracket O 1 89 Feedingscre
5. position switch will turn Red and place the Forward Off Reverse Switch 181 in the direction needed 8 Move the Variable Speed Control Knob 180 to the needed operating speed to start the Lathe REV 10b SKU 93212 For technical questions please call 1 800 444 3353 Page 21 Basic Operations WARNING 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 before using this tool Consult books on the subject and or web page resources for your project before using this tool Holding a project between the Chuck 2 and the Live Center 143 ER 3l As seen from back of Lathe to show de fail Figure 27 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 Page 22 For technical questions please call 1 800 444 3353 Face Cutting Figure 28 2 Use the chuck to hold the workpiece firmly and the cutter positioned as shown above for face cutting The edge of the cutter must be at the same height as the center Internal Cutting D 4 Figure 29 3 By changing the tool post angle and adjusting the compound rest you can make i
6. Use the following table also located on the front of the Lathe to determine what number to start threading Indicator Table 16T Move the cutting blade to the proper position Pull down the Automatic Feed Lever 79 to start threading automatically To stop the automatic setting pull up on the Automatic Feed Lever Remember After thread cutting operation is complete change back to the factory set up gear setting Position A 20T Position B 80T Position C 20T Position D 80T Page 24 For technical questions please call 1 800 444 3353 REV 10b SKU 93212 MAINTENANCE AND SERVICING Procedures not specifically A explained in this manual must be performed only by a qualified technician TO PREVENT AWARNING SERIOUS INJURY FROM ACCIDENTAL OPERATION Turn the Power Switch of the tool to its OFF position and unplug the tool from its electrical outlet before performing any inspection maintenance or cleaning procedures TO PREVENT SERIOUS INJURY FROM TOOL FAILURE Do not use damaged equipment If abnormal noise or vibration occurs have the problem corrected before further use Cleaning Maintenance and Lubrication 1 BEFORE EACH USE inspect the general condition of the tool Check for loose hardware misalignment or binding of moving parts cracked or broken parts damaged electrical wiring and any other condition that may affect its safe operation 2 AFTER USE wipe ext
7. HIS OR HER REPAIRS TO THE ORIGINAL PRODUCT OR REPLACEMENT BAR op THERETO OR ARISING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO SKU 93212 For technical questions please call 1 800 444 3353 Page 31 PARTS LIST Part Description Qty 21 Bedway 1 j __ 2 Chuck 11 2 3 Spinde 1124 4 StudM6x25 139 6 J NXtMO 5 j 27 jJKey5x40 1 8 KeyAx8 2 j 9 SetScewM5x12 6 10 Covr 1204 11 Ball bearing 80206 2 12 Spacer 122 13 Headstockcas ng 1 14 H Lgear21T 29T 1 15 Spacer 1 1 j 16 Spurgear45T 1 17 NuM27x15 2 j 18 8 1 19 Steelball 12 20 Compressionspring 3 21 SetscrewM6x8 3 22 Retaining ring12 2 23 Ballbearing62017 2 24 j H Lgear i2T 20T 1 25 Parallelkey4x45 1 20 HiLgearshaft 1 27 Puley o 1 y 28 Retainingring10 2 29 TimingbelttL136 1 30 Shiftingfork 1 31 Shifingam 1 32 Shiftingknob 1 33 H LSpeedGearShiftLever 1 34 Shiftinggrip 1 35 Feed Direction Selector 36 Handlemount_ 1102 37 Spin 5 1 38 Indicator 17124 39 jPinon25T 1 40 Supportscrew 2 41 Pinion 207 1124 42 Fixedcover 1 43 ScewM6x20 2 45 17124 46 Shaft
8. Tool Bit Size Compound Travel Carriage Travel Cross Slide Travel Work Tolerance Packing List Gear 30 35 40 40 45 50 55 57 60 65 T 7 Spanner Wrench 8 10 14 17 wrenches Hex Key Wrench Set 3 4 5 6 10 MT 2 Live Center 0222400 13 11 12 13 NO Rubber Foot Mounting Screw 55 317 Tailstock Taper MT 2 Through Chuck Capacity Chuck Dia External Internal Jaws iam memi S 5 64 1 1 8 1 2 3 4 7 8 2 1 2 EEE Shipping Bolt Locations To remove the lathe from the packing crate remove both bolts on the crate bottom as shown above UNPACKING When unpacking 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 Page 8 For technical questions please call 1 800 444 3353 Many components need to be installed before use It is ESSENTIAL that both guards found in separate boxes within the main box are installed before connecting power Note Wipe off protective grease from the lathe before using REV 10b 10e 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 Thread Dial Indicator 181 179 180 2 112 105 143 146 138 84 a 1 84 b 86 a 100 79 302 129 126 33 1
9. is in the High setting the Speed Control Knob runs from 0 to 2500 RPM REV 10b Page 10 For technical questions please call 1 800 444 3353 SKU 93212 LATHE COMPONENTS OVERVIEW Following are brief descriptions of major components of the Mini Lathe Bed Way 1 The Bed Way is the base of the work area under the Chuck and Tailstock It is where the Tailstock 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 Compound Rest 105 108 The Compound Rest and Compound Slide 100 work together to adjust the position of the Cutting Tool to the desired location Jaws 166 amp 168 The Jaws fit into the Chuck 2 and hold the workpiece in place There are a set of internal Jaws 168 which fit inside the workpiece and External Jaws 166 which fit on the outside of the workpiece Lead Screw 129 The Lead Screw controls automatic feeding In thread cutting or when you want to cut into the workpiece automatically you engage the Lead screw with the Feeding Direction Selector 35 and use the Automatic Feed Handle 79 Keep track of the cut with the Thread Dial Indicator 302 Live Center 143 The Live 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 d
10. 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 circulation to the hand past hand injuries nervous system disorders diabetes or Raynaud s Disease should not use this tool If you feel any medical For technical questions please call 1 800 444 3353 or physical symptoms related to vibration such as tingling numbness and white or blue fingers seek medical advice as soon as possible Do not smoke during use Nicotine reduces the blood supply to the hands and fingers increasing the risk of vibration related injury Wear suitable gloves to reduce the vibration effects on the user Use tools with the lowest vibration when there is a choice between different processes Include vibration free periods each day of work When cutting do not apply too much pressure to the workpiece Let the tool do the work To reduce vibration maintain the tool as explained in this manual If any abnormal vibration occurs stop use immediately SAVE THESE INSTRUCTIONS Page 7 SPECIFICATIONS 120 V 60 Hz 3 4 HP 0 1100 RPM Low 0 2500 RPM High Fast Acting 4 amp mini glass FAAL250VP Lx136 Belt Pitch 1 5mm Teeth 70 Motor Speed Ranges Fuse Type Drive owing Over Bed Dist Between Centers owing Over Cross Slide Swing Over Saddle Swing Over Gap Max
11. the machine using a flat head screwdriver sold separately 2 Pull the Brush out noting the orientation of the old Carbon Brushes to prevent needless wear if they will be reinstalled 3 he Carbon Brushes are approximately 5 8 long If either one is worn down by more than 1 2 replace both Brushes 4 clean old Carbon Brushes rub the contact areas with a pencil eraser 5 Carefully without forcing them insert the Carbon Brushes Make sure the carbon portions of the brushes contact the motor armature and that the springs operate freely If reinserting a used brush make sure it is in the same orientation to reduce wear 6 Replace the Brush Covers REV 10b SKU 93212 For technical questions please call 1 800 444 3353 Page 27 Replacing the Fuse The Fuse 314 is located in the Fuse Holder 179 on the Control Panel 122 The Fuse Holder is spring fitted Fuse Holder 179 ba _ K Fuse Holder older 179 ono Panel Press down then turn counterclockwise 122 Fuse 314 1 Fuse Holder AE me i Fuse Holder Socket Figure 34 To Remove the Fuse Holder a Insert a flathead screwdriver sold separately into the slot in the Fuse Holder b Press down and turn counterclockwise 1 4 turn c Release pressure Pull the Fuse Holder and Fuse out of the socket d Replace with a new 250V 3 amp mini glass fuse To Replace the Fuse Holder slide it into
12. 51 124 REVUE Figure 1 SKU 93212 For technical questions please call 1 800 444 3353 Page 9 POWER CONTROLS OVERVIEW Controls on the Front of the Lathe Controls on the Back of the Lathe Forward OFF Reverse Switch 181 Feed Direction Selector 35 LEFT FEED RIGHT FEEO 0 1 FORWARD Power Switch 178 Speed Control Knob 180 Figure 2 Power Switch 178 Turns on and off power to the motor Figure 3 When the Power Switch is lit the motor Feed Direction Selector 35 Changes the Lead Screw 129 rotation Forward OFF Reverse Switch 181 mM Neutral no rotation to Reverse away Changes the Spindle 3 Chuck 2 from the Chuck rotation from Forward clockwise to OFF no rotation to Reverse counterclockwise DO NOT change the Forward OFF H L Gear Shift Lever 33 Reverse Switch direction while the lathe is running DO NOT Change the Feed Direction Selector while the Lathe is running Changes the spindle speed range from High 0 2500 RPM to Low 0 1100 Speed Control Knob 180 RPM Adjusts the Spindle 3 speed from 0 to DO NOT adjust the H L Gear Shift 2500 RPMs Lever while the Lathe is running Check that this knob is at O 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
13. 81 and the variable Speed Control Knob 180 are in their off positions The variable Speed Control Knob has an actual 0 Off position and will click when placed in the Off position Note The Lathe will not start up unless the Variable Speed Control Knob is turned to the 0 Off position before restarting Attempting to start the lathe with the Speed Control Knob 180 set at any speed other then 0 Off or attempting to start the lathe out of sequence will cause the fuse to blow REV 10b SKU 93212 To Stop the Lathe ae crees 1 the Speed Control Knob 180 to 0 Safety a Mechanism hi 251 extended into the recess allowing the lathe to operate 2 Move the Forward OFF Reverse Switch to OFF 3 Turn the Power Switch 178 OFF 4 Unplug the Lathe when not in use Figure 25 5901200910 5 The Chuck Guard 201 has a safety interlock and the Lathe will not operate unless the guard is properly in place Install the guard if not already done so Check to ensure that the Guard 201 is in its operating 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 6 Plugin the Lathe Forward OFF Reverse Switch 1 81 bus 0 Power Switch 7 78 Figure 26 Speed Control Knob 180 7 Move the Power Switch 178 to the On
14. CENTRAL MACHINERY 7 X10 PRECISION MINI LATHE 111118 93212 SET UP AND OPERATING 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 SAVE THIS MANUAL Copyright 2006 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 Manual technical questions or replacement parts please call 1 800 444 3353 CONTENTS IMPORTANT SAFETY INFORMATION 3 GENERAL TOOL SAFETY WARNINGS 3 GROUNDING INSTRUCTIONS 5 110 120 V GROUNDED TOOLS TOOLS WITH THREE PRONG PLUGS5 MINI LATHE SAFETY WARNINGS 5 SPECIFICATIONS 8 UNPACKING 8 PACKING EIS T nissim 8 GENERAL MINI LATHE COMPONENTS 9 POWER CONTROLS OVERVIEW 10 CONTROLS ON THE FRONT OF THE LATHE e 10 CONTROLS ON THE BACK OF THE Poi m 10 LATHE COMPONENTS OV
15. ERVIEW 11 ASSEMBLY INSTRUCTIONS 12 ATTACHING RUBBER FEET OR INSTALLING TO WORKBENCH 12 INSTALLING HANDWHEEL HANDLES 12 INSTALLING GUARDS 13 Rs 14 INITIAL TEST RUN 14 REPLACEMENT OF CHUCK 15 REPLACEMENT OF JAWS 15 COMPOUND REST ADJUSTMENT 17 TAILSTOCK ADJUSTMENT S 17 TOOL POST ADJUSTMENT 18 AUTOMATIC FEEDING 18 THREADING DIAL 19 Page 2 For technical questions please call 1 800 444 3353 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 Jr 24 MAINTENANCE AND SERVICING 25 CLEANING MAINTENANCE AND LUBRICATION 25 BELT INSPECTION AND TENSIONING25 GIB ADJUSTMENT S 26 TAILSTOCK ALIGNMENT 26 REPLACEMENT OF CARBON BISUSPIES 27 REPLACING THE FUSE 28 TROUBLESHOOTING 29 ASSEMBLY DIAGRAM 34 ASSEMBLY DIAGRAM CONTINUED 35 WIRING DIAGRAM
16. ace and no more operation than 1 3 of the tool extends beyond the Tool Post Gibs need adjustment Adjust Gib screws 99 and or 106 tool need sharpening pn or replace tool P or feed rate incorrect for Check and adjust for recommended RPM and or feed rate Finished piece mu and Tailstock are not aligned Realign Tailstock following Tailstock Alignment uneven from one instructions in the maintenance section of this end to the other manual Chuck Jaws Chuck then reinstall Jaws Carriage will not 1 Gear or gears not engaged 1 Check gears and adjust positions feed 2 Damaged gears 2 Check and replace damaged gears 3 Feed Handle screw loose 3 Tighten feed handle screw Follow all safety precautions whenever diagnosing or servicing the tool Disconnect power supply before service PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND OR DISTRIBUTOR HAS PROVIDED THE PARTS LIST AND ASSEMBLY DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY NEITHER THE MANUFACTURER OR DISTRIBUTOR 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 STATES THAT 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
17. ach setting before increasing to the next level Continue until you ve run the Lathe all the way up to the highest setting 11 Turn the Power Switch OFF and wait for the Lathe to come to a complete stop 12 Repeat the process with the H L Gear Shift Lever at the High setting Then repeat at both the Low then High setting with the Forward OFF Reverse Switch in the Reverse position WARNING THE MINI LATHE MUST BE COMPLETELY STOPPED BEFORE CHANGING THE FORWARD OFF REVERSE SWITCH 181 THE FEED DIRECTION SELECTOR 35 OR THE GEAR SHIFT LEVER 33 13 Turn the Power Switch off the Speed Control Knob to 0 and unplug the Lathe 14 Check the Compound Rest Crank 86b 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 REV 10b SKU 93212 Figure 13 2 External Jaw Set 166 For technical questions please call 1 800 444 3353 Replacement of Chuck Chuck 2 Nut 6 Spindle 3 When replacing the Chuck place a cloth or a piece of wood on the bedway at the bottom of the chuck This step will help avoid damage to the bedway caused by accidentally dropping the chuck To replace the chuck loosen the 3 Nuts 6 as shown in Figure 13 remove the old Chuck and replace with a new chuck Replace and tighten
18. ase 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 To set up the Threading Dial _ Plate 303 Threading Dial Body 68 Automatic Feel Lever 79 Loosen here me 8 i Pinion 66 129 K M f Hex Wrench 311 Remove before using Lathe 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 REV 10b SKU 93212 Use the 5mm Hex Wrench part of 311 to loosen the Plate 303 and the Threading Dial Body 68 Rotate both pieces so the Pinion 66 on the back side of the Threading Dial Body makes contact with the Lead screw 129 Dial Engaged in Figure 21 bottom photo Tighten both pieces in place and remove the Wrench To dis engage the Threading Dial Body when not in use loosen the Plate and rotate the Dial away from the Lead screw 129 then retighten the Plate For technical questions please call 1 800 444 3353 Page 19 OPERATION 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 m
19. draw An undersized cord will cause a drop in line voltage resulting in loss of power and overheating Table A shows the correct size to use depending on cord length and nameplate ampere rating If in doubt use the next heavier gauge The smaller the gauge number the heavier the cord loose clothing gloves neckties rings bracelets or other jewelry which may get caught in moving parts Nonslip footwear is recommended Wear protective hair covering to contain long hair ALWAYS USE SAFETY GLASSES Also use face or dust mask if cutting operation 20 is dusty Everyday eyeglasses only have impact resistant lenses they are NOT safety glasses 12 SECURE WORK Use clamps or a vise Page 4 to hold work when practical Its safer than using your hand and it frees both hands to operate tool 13 14 19 16 17 For technical questions please call 1 800 444 3353 DON T OVERREACH Keep proper footing and balance at all times MAINTAIN TOOLS WITH CARE Keep tools sharp and clean for best and safest performance Follow instructions for lubricating and changing accessories DISCONNECT TOOLS before servicing when changing accessories such as blades bits cutters and the like REDUCE THE RISK OF UNINTENTIONAL STARTING Make sure switch is in off position before plugging in USE RECOMMENDED ACCESSORIES Consult the owner s manual for recommended accessories The use of improper accessories may cau
20. ead center sold separately does not spin REV 10b 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 Threading Dial is used to measure the number of rotations of the Lead Screw when thread cutting It eliminates the need to reverse the lathe and return the carriage to the starting point each time a successive threading cut is taken You must adjust the Threading Dial so that it engages the Lead Screw 129 in order for it to function Threading Gears 45 50 59 157 165 The Threading Gears are positioned under the Gear Drive Cover 53 on the far left side of the Lathe They are used in various configurations for thread cutting Tool Post 112 The Tool Post sits on the top of the Compound Rest 105 108 and is used to hold various cutting tools by clamping them in place with Tool Post Bolts 110 SKU 93212 For technical questions please call 1 800 444 3353 Page 11 ASSEMBLY INSTRUCTIONS 2Mount the Lathe to a Workbench 2 Drill holes for permanent mounting Note For additional information regarding the E parts listed the following pages refer to the Assembly Diagram near the end of this manual 1 A WARNING Make sure the Power Figure 5 Switch of the tool is in its OFF position Unthread the Bolts 67 from the bottom and that the tool is unplugged from its
21. earings Adjust RPM and or feed rate Sharpen and or change tool Tighten Gibs 99 and or 106 See Gib Adjustment in Maintenance Section Lower position of tool Turn quill handwheel until taper is forced out of quill In the future make sure that the quill is fully seated in the tailstock and that the tool is wiped free of debris before installing 1 Loosen or tighten the Gib screws 99 and or 106 See Gib Adjustment in Maintenance Section 2 Tighten Handwheel and or crank handle 3 Tighten Leadscrew fasteners or have lead screw replaced by a qualified technician Follow all safety precautions whenever diagnosing or servicing the tool Disconnect power supply before service Page 30 For technical questions please call 1 800 444 3353 REV 10b SKU 93212 Possible Causes Likely Solutions Difficulty moving 1 Debris jammed around Gibs Remove Gibs clean Gibs and all adjacent areas Cranks of Cross Re lubricate then reinstall Gibs Slide Compound Gibs adjusted too tight Loosen Gib screws 99 and or 106 and lubricate Slide and or bedways Carriage Handwheel 3 Bedways need lubrication Lubricate bedways Cutting Tool Tool Post 112 too loose Clean any debris around Tool Post then securely or machine tighten Tool Post Cutting tool jutting too far out of Remove and reinstall cutting tool so that at least excessively during Tool Post or not secure two screws hold it securely in pl
22. electrical outlet before making any adjustments to the tool of the unit Measure and drill holes in the workbench Use appropriate length M6 1 bolts and washers sold separately to 2 Clean off the protective grease on the secure the Lathe and Chip Tray to the Mini Lathe workbench Attaching Rubber Feet or Installing Handwheel Handles Installing to Workbench gt y Tailstock Quill Control Wheel 84a Note Mount or place the Lathe on a sturdy workbench or table with good lighting t C lide p at a height that allows you to comfortably Crank 86a work without back strain Eo The Lathe can be mounted permanently to a workbench or used with it s included Rubber Feet 125 on a tabletop M lt lt To Attach the Rubber Feet 4 e Control Wheel 84b Chip Tray 126 Bolts 67 Figure 6 Handwheel Handles 1 Toinstall the Handwheel Handles on the Tailstock Quill Control Wheel 84a and the Feed Control Wheel 84b use a flathead screwdriver and a 14mm open E T Feet 125 lt Figure 4 Bolts 67 end wrench to thread the handles onto To attach the Rubber Feet to the bottom MOWERS of the Lathe unthread the Bolts 67 2 For packaging purposes the Cross Slide from the bottom of the Chip Tray 126 Crank 86a is shipped from the factory Slide the Rubber Feet onto the Bolts facing backwards Adjust the Cross Slide and re thread them into the bottom of Crank 86a to face for
23. ent grounding conductor can result in a risk of electric shock The conductor with insulation having an outer surface that is green with or without yellow stripes is 1 the equipment grounding conductor If repair or replacement of the electric cord or plug is necessary do not connect the equipment grounding conductor to a live terminal 2 4 Check with a qualified electrician or 3 service personnel if the grounding instructions are not completely 4 understood or if in doubt as to whether the tool is properly grounded 5 Use only 3 wire extension cords that 5 have 3 prong grounding plugs and TO PREVENT AWARNING ELECTRIC SHOCK 6 3 pole receptacles that accept the tool s plug Repair or replace damaged or worn cord immediately CER Grounding Pin 125 V 3 Prong Plug and Outlet for up to 125 V and up to 15 A This tool is intended for use on a circuit that has an outlet that looks like the one illustrated above in 125 V 3 Prong Plug and Outlet The tool has a grounding plug that looks like the plug illustrated above in 125 V 3 Prong Plug and Outlet The outlet must be properly installed and grounded in accordance with all codes and ordinances Do not use an adapter to connect this tool to a different outlet Mini Lathe Safety Warnings FOR YOUR OWN SAFETY READ AND UNDERSTAND THIS INSTRUCTION MANUAL BEFORE OPERATING LATHE Wear ANSI approved eye protection Do not wear gloves necktie or
24. enter continue To adjust the angle of Compound Rest a Turn the Compound Rest Crank 86b turning the Tailstock Quill Control Wheel counterclockwise to slide the top section counterclockwise until the Live Center of the Compound Rest Compound Rest begins to slide out of the Quill Insert 108 so that the two screw holes the Live Center or other tool sold are exposed on the lower section of the separately into the Quill and turn the Compound Rest Compound Rest B Tailstock Quill Control Wheel clockwise 105 to lock the tool in place b Turn the two Bolts 67 3 You may need to slide the Tailstock counterclockwise to loosen them closer to or further away from the c Swivel the Compound Rest to the Chuck before adjusting the Live Center desired angle To do so loosen the Tailstock Nut 268 d Tighten the two Screws adjust the Tailstock as needed then re tighten the Nut Use this method when replacing the Tailstock as well REV 10b SKU 93212 For technical questions please call 1 800 444 3353 Page 17 The Tailstock Quill is locked in place with until they are securely holding the tool in the Tailstock Quill Fix Holder 146 Turn place it clockwise to lock the Quill in place and counterclockwise to loosen it Tighten the Automatic Feeding Nut 6 underneath the Quill to eliminate any play in the Quill Feed Control lt r Wheel 84b To adjust the Tailstock slightly to the right
25. ernal surfaces of the tool with clean cloth 3 AWARNING If the supply cord of this power tool is damaged it must be replaced only by a qualified service technician REV 10b 2 D Belt Inspection and Tensioning Remove belt cover if equipped Examine belt for cracks tears in the backing or other damage Replace belt if damaged according to steps below Loosen the motor mounting bolts and slide the motor towards the other pulley as far as possible Slide the old belt off of the smallest pulley first then remove it c Put the new belt around the larger pulley first then around the smaller pulley Move the motor away from the other pulley until it is properly tensioned according to the directions below Tighten the motor mounting bolts Check and adjust belt tension according to the steps below Deflection Distance a Press on the center of the longest span on the belt with moderate finger pressure Then measure the deflection distance the distance that the belt moved The belt should deflect about 1 4 If the belt deflects too much tighten belt by loosening the motor mounting bolts and moving the motor away from the other pulley slightly Secure motor mounting bolts and retest tension If the belt is too long to be properly tensioned it must be replaced If the belt deflects too little loosen belt by loosening the motor mounting SKU 93212 For technical questions p
26. extension cord If an extension slowly too small cord is needed use shorter heavier gauge cord oee Extension Cords in GROUNDING section Performance 1 Accessory dull or damaged 1 Keep cutting accessories sharp Replace as decreases over time needed Carbon Brushes 318 worn or Replace Carbon Brushes See Maintenance damaged section of this manual Excessive noise or Pulley setscrews missing or Check Pulley keys and setscrews Replace or rattling loose tighten as needed Motor fan hitting cover Tighten fan cover or replace as needed Belt if equipped too loose Properly tension belt slipping or too tight bearing damage Internal motor damage or wear 4 Have technician service tool Follow all safety precautions whenever diagnosing or servicing the tool Disconnect power supply before service REV 10b SKU 93212 For technical questions please call 1 800 444 3353 Page 29 Possible Causes Likely Solutions Overheating Whole unit vibrates excessively while in use Uneven surface finish Unable to remove tapered tool from Tailstock Cross Slide Compound Slide and or carriage feed do not move smoothly 1 2 Forcing machine to work too fast 9 4 Motor overloaded Accessory dull or damaged Incorrect RPM or feed rate Gear setup is too tight gears bind Blocked motor housing vents Motor being strained by long or small diameter extensio
27. he groove and rotate the Chuck Key counterclockwise REV 10b Page 16 For technical questions please call 1 800 444 3353 SKU 93212 slightly then clockwise to engage the Tailstock Adjustments lead thread into the Jaw B and C in Figure 16 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 e Slide Jaw 2 into the next groove and continue turning the Chuck Key clockwise to advance the lead thread into the next Jaw Slide Jaw 3 with the Tailstock Tailstock Quill Fix same procedure as Jaw 2 Quill 142 Holder 146 Tailstock Live Center 138 143 Note When mounting a workpiece it is recommended that all three jaws are loosened at the same time This will protect the threads inside b p Tailstock Compound Rest Adjustment Quill Nut 6 Control m Tailstock Wheel Screw 197 j Nut 84a 268 Compoum Crank 86b Figure 18 5 L B 195 lt Ba 1 Use the Tailstock Quill Control Wheel 84a to position the Live Center Turning the Wheel counterclockwise slides ta 1 the Live Center away from the Chuck gt gh turning it clockwise slides it toward tz 4 AN the Chuck It can be adjusted up to ar approximately 2 Compound Bo any Figure 17 2 The Tailstock Quill 142 holds the Live Center in place To remove or replace the Live C
28. hese chemicals are Lead from lead based paints e Crystalline silica from bricks cement or other masonry products Arsenic and chromium from chemically treated lumber SKU 93212 27 28 Your risk from these exposures varies depending on how often you do this type of work To 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 filter out microscopic particles California Health amp Safety Code 25249 5 et seq WARNING Handling the cord on this product will expose you to lead a chemical known to the State of California to cause cancer and birth defects or other reproductive harm Wash hands after handling California Health amp Safety Code S 25249 5 et seq The warnings precautions and instructions discussed in this instruction manual cannot cover all possible conditions and situations that may occur It must be understood by the operator that common sense and caution are factors which cannot be built into this product but must be supplied by the operator Vibration Safety REV 10 SKU 93212 This tool vibrates during use Repeated or long term exposure to vibration may cause 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 or for an extended period
29. huck 2 when it rotates Power Switch 178 Figure 12 Speed Control Knob 180 5 On the front of the Lathe make sure the Forward OFF Reverse Switch 181 is set to the OFF position 6 Turn the Speed Control Knob 180 to Zero WARNING BEFORE TURNING ON THE MINI LATHE EACH TIME IT IS TO BE HE HIGH LOW GEAR V E USED THE SPEED CONTROL KNOB Nuts 6 10 180 MUST BE SET TO ZERO 2 the Chuck by hand and check that it 7 Plug in the electrical cord and turn rotates freely the Forward OFF Reverse Switch to 3 Check that the three Nuts 6 on the Forward Chuck are tight 8 Turn the Power Switch 178 to the ON Feeding Direction Selector 35 position 9 Gently rotate the Speed Control Knob clockwise past the 1 to the first setting The speed will increase the further the Knob is turned The Lathe should run smoothly with little or no vibration or friction sounds when it starts If you notice unusual sounds or vibrations turn off the Power Switch turn the Speed Control Knob to 0 unplug the machine and have the problem corrected before further use 11 10 If the Lathe is running smoothly continue 4 Onthe back of the Lathe set the H L running it for several minutes gradually Gear Shift Lever 33 to low and the increasing the Speed Control Knob REV 10b Page 14 For technical questions please call 1 800 444 3353 SKU 93212 setting and letting it run for several minutes at e
30. idental 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 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 SKU 93212 For technical questions please call 1 800 444 3353 Page 3
31. lease call 1 800 444 3353 Page 25 4 Page 26 bolts and moving the motor towards the other pulley very slightly Secure motor mounting bolts and retest tension Before use replace belt cover if equipped Gib Adjustments Compound Rest A 108 9 rank 86B 2 E x eu 2 e t Slide Keo Figure 31 Adjusting the metal strips or Gibs 94 107 on the underside of the Compound Rest A 108 and the Cross Slide 100 helps to snug up those units so they slide smoothly along the lathe The goal is to tighten them enough so that the Compound Rest and Cross Slide do not have any unnecessary movement but not so tight that they bind It should not be difficult to turn the hand Cranks 86A 86B The Gibs become loose with use so the Compound Rest A and Cross Slide should be checked periodically for any play Readjust the Gibs as needed For technical questions please call 1 800 444 3353 Compound Rest A 108 Sh UE y Sa Es Gib Screws 106 A sr a n gt Gib Screwsl 99 2 and Nuts 98 7 Na er To make the adjustment Unplug the Lathe Working one set of three gib Screws and Nuts at a time loosen the three Nuts 98 with a wrench sold separately Holding the center Nut with the wrench loosen or tighten the Center Screw 99 or 106 with a flat head screw driver sold separately and check the sliding movement It should be even and s
32. loose clothing while operating the Lathe Tie back long hair Long hair in a ponytail needs to be secured so there is no risk of entanglement Tighten all locks before operating SKU 93212 For technical questions please call 1 800 444 3353 Page 5 10 11 12 13 14 15 16 17 18 Page 6 DO NOT OPERATE WITH ANY GUARD DISABLED DAMAGED OR REMOVED Moving guards must move freely and close instantly Rotate workpiece by hand before applying power Rough out workpiece before installing on faceplate Do not mount split workpiece or one containing knot Use lowest speed when starting new workpiece Do not reverse motor direction while the lathe is in motion Do not clear chips by hand or when lathe is running Use a brush to sweep chips away after the tool has come to a complete stop Select the proper tool for the job Using the correct tool for the job produces a better finish and minimizes strain on the lathe The use of accessories or attachments not recommended by the manufacturer may result in a risk of injury to persons When servicing use only identical replacement parts Support pieces extending beyond the headstock so they cannot cause injury to the operator bystanders or lathe Turn supported long stock at slower RPM s Use a chuck cradle or piece of plywood to protect the precision ground ways and your hands when servicing chucks Check that the workpiece tool to
33. mooth while removing any play Adjust as needed then holding the Screw with the screw driver tighten the Nut with the wrench Repeat step 3 for the two side Screw Nut sets Tailstock Alignment The Tailstock 138 needs to be adjusted for offset then re aligned before first use and any time the tool in the Tailstock is changed To align the Tailstock Center drill both ends of a 6 long piece of round cold rolled stock Set aside Turn a 60 point on a piece of scrap metal to make a dead center REV 10b SKU 93212 3 Place the dead center in the Tailstock Replacement of Carbon Brushes 4 Attach a Lathe Dog part of SKU 3448 sold separately the to 6 piece from step Carbon Brish caver 1 and mount between centers 5 Turn approximately 0 010 off of the diameter of the mounted workpiece 6 Measure the workpiece with a micrometer at the Tailstock end and the Front Bed Way 1 Wheel 84b Chuck end Divide any difference by two If it is thicker at the Chuck 2 end move the tailstock away from you by the resulting amount If it is thicker at the Tailstock end move the Tailstock closer to you by the resulting amount Carbon Brush Cover 7 Turn another 0 010 off of the workpiece Back Motor Cover 151 8 Repeat steps 5 and 6 as needed until ee there is no taper and or the desired amount of accuracy is achieved Figure 33 1 Unscrew the Brush Covers on the front and back of
34. n cord Reduce load on motor Loosen drive Belt see Maintenance section of this manual Allow machine to work at its own rate Keep cutting accessories sharp Replace as needed Check that RPM feed rate chart for appropriate rates for operation Adjust gears so there is a small amount of play and the gears move freely and smoothly when the Chuck is rotated by hand Wear ANSI approved safety goggles and NIOSH approved dust mask respirator while blowing dust out of motor using compressed air Eliminate use of extension cord If an extension cord is needed use one with the proper diameter for its length and load See Extension Cords in GROUNDING section Tool Performance Workpiece unbalanced Loose or damaged belt s Drive Pulleys not aligned Worn or broken gear Chuck loose or unbalanced Spindle bearings worn Incorrect RPM or feed rate for job Dull or incorrect tool for job Gibs need adjustment Tool positioned too high Quill not fully seated in Tailstock or taper was inserted without first removing debris Gibs need adjusting Handwheel or crank handles are too loose Leadscrew worn or needs adjustment Re center workpiece Tighten or replace the belt Align Drive Pulleys 27 148 Inspect gears and replace if needed Tighten Nuts 6 or have a qualified technician rebalance Chuck Have a qualified technician replace b
35. nternal cuts REV 09c 10b SKU 93212 Bevel Cutting Thread Size Gear Settings Threads Se ae 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 Motor end view of Lathe with Gear Drive Cover 53 removed Example 1 To cut 12 threads per inch see illustration above use 40T in position A 30T in position D and put any other gear is position B to connect A and D Positions A and C 20T b Positions B amp D 80T To change the thread size use the gear box settings shown on the table that follows Example 2 To cut 38 threads per inch see illustration above use 20 in position A o T in position D 50T in position B and 60T in position C REV 10b SKU 93212 For technical questions please call 1 800 444 3353 Page 23 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 Forward OFF Reverse Switch Turn the Power Switch on the switch will light up Adjust the speed needed to cut the threads consult advanced information about cutting threads with mini lathes
36. ol post chuck and saddle all have adequate clearance before starting the lathe Check that no part of the tool tool holder compound slide cross slide or 19 20 21 22 23 24 25 26 For technical questions please call 1 800 444 3353 carriage will contact the chuck during operation Use the appropriate feed and speed rates for the project Allow the lathe to reach its full soeed before beginning a cut Only use safety equipment that has been approved by an appropriate standards agency Unapproved safety equipment may not provide adequate protection Eye protection must be ANSI approved and breathing protection must be NIOSH approved for the specific hazards in the work area Industrial applications must follow OSHA guidelines Maintain labels and nameplates on the tool These carry important safety information If unreadable or missing contact Harbor Freight Tools for a replacement Avoid unintentional starting Prepare to begin work before turning on the tool People with pacemakers should consult their physician s before use Electromagnetic fields in close proximity to heart pacemaker could cause pacemaker interference or pacemaker failure WARNING Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other reproductive harm Some examples of t
37. or left of center loosen the Screw 197 on the bottom of the Tailstock Adjust then tighten y Tool Post Adjustment ON Tool Post Lever 111 Automatic Feel Lever 79 Tool Post 112 Figure 20 ie Post Bolt 110 The Automatic Feed Lever 79 controls whether the Carriage 93 moves 2 automatically or manually When the Lever is Up the Lathe is in 4 EB e Manual mode Use the Feed Control E 5 Wheel 84b to slide the Carriage to the right or left a B P When the Lever is Down the Lathe is _ in automatic mode carriage will Figure 19 automatically move to the right or left To adjust the position of the Tool Post depending on whether it is set to forward 1 1 2 or reverse a Turn the Tool Post Lever 111 Note The Feed Control Wheel 84b is locked counterclockwise to loosen the Tool when the automatic feed is ON Post b Rotate the Tool Post as needed c Hold the Tool Post in position while turning the Tool Post Lever clockwise tightening the Tool Post in place To install a cutting tool Sold separately a Use the 1 4 Hex Wrench part of 311 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 b Slide the tool under the raised screws and hold it while lowering the screws REV 10b Page 18 For technical questions ple
38. otor 1 Begin with the Lathe unplugged 2 Install the required Jaws 166 or 168 into the Chuck 2 3 Setup the work area as needed for your project You will need to a Secure the workpiece in place b Install the cutting tool sold separately in the Tool Post 112 c Set the Automatic Feed Lever 79 to manual or automatic d If threading engage the Threading Dial 65 and set it as needed for the project e Move the cutting tool in place using the Cross Slide 100 and Compound Rest 105 108 Cranks 86a and 86b Note Before beginning any machining process remove backlash from the Cross Slide 100 and or Compound Rest 105 108 Cranks 86a and 86b and reset the Dials 87 to zero Figure 22 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 Page 20 For technical questions please call 1 800 444 3353 Repeat each time before using a Crank in either direction when you need precise measurements Adjust the Controls Figure 23 a On the back of the Lathe set the Spindle Speed with the H L Gear Shift Lever 33 and the feed direction with the Feed Direction Selector 35 Forward OF F Reverse Switch 1 81 Power Switch 78 Figure 24 Speed Control Knob 180 b On the front of the Lathe make sure that the Main Power Switch 178 Forward OFF Reverse Switch 1
39. ral Tool Safety Warninas WARNING Read all safety warnings and instructions Failure to follow the warnings and instructions may result in electric shock fire and or serious injury Save all warnings and instructions for future reference 1 KEEP GUARDS IN PLACE and in working order 2 REMOVE ADJUSTING KEYS AND WRENCHES Form habit of checking to see that keys and adjusting wrenches are removed from tool before turning it on 3 KEEP WORK AREA CLEAN Cluttered areas and benches invite accidents 4 DON T USE IN DANGEROUS ENVIRONMENT Don t use power tools in damp or wet locations or expose them to rain Keep work area well lighted 5 KEEP CHILDREN AWAY All visitors should be kept safe distance from work area 6 MAKE WORKSHOP KID PROOF with padlocks master switches or by removing starter keys 7 DON T FORCE TOOL It will do the job better and safer at the rate for which it was designed Page 3 USE RIGHT TOOL Don t force tool or attachment to do a job for which it was not designed RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS 120 VOLT NAMEPLATE EXTENSION CORD AMPERES LENGTH at full load 725 50 a TABLEA TABLE A 9 10 WEAR PROPER APPAREL Do not wear 11 USE PROPER EXTENSION CORD Make sure your extension cord is in good condition When using an extension cord be sure to use one heavy enough to carry the current your product will
40. se risk of injury to persons NEVER STAND ON TOOL Serious injury could occur if the tool is tipped or if the cutting tool is unintentionally contacted CHECK DAMAGED PARTS Before further use of the tool a guard or other part that is damaged should be carefully checked to determine that it will operate properly and perform its intended function check for alignment of moving parts binding of moving parts breakage of parts mounting and any other conditions that may affect its operation A guard or other part that is damaged should be properly repaired or replaced NEVER LEAVE TOOL RUNNING UNATTENDED TURN POWER OFF Don t leave tool until it comes to a complete stop SKU 93212 GROUNDING INSTRUCTIONS AND DEATH FROM INCORRECT GROUNDING WIRE CONNECTION READ AND FOLLOW THESE INSTRUCTIONS 110 120 V Grounded Tools Tools with Three Prong Plugs 1 Inthe event of a malfunction or breakdown grounding provides a path of least resistance for electric current to reduce the risk of electric shock 7 This tool is equipped with an electric cord having an equipment grounding conductor and a grounding plug The plug must be plugged into a matching outlet that is properly installed and grounded in accordance with all local codes and ordinances 2 Donot modify the plug provided if it will not fit the outlet have the proper outlet installed by a qualified electrician 3 Improper connection of the equipm
41. t 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 REV 10b SKU 93212 For technical questions please call 1 800 444 3353 Page 35 WIRING DIAGRAM FC250BJ 110V CONTROLLER DC AC Output Input SAFETY P1 P2 P3 P4 POTUIT 2 SWITCH POWER SWITCH REV 10b Page 36 For technical questions please call 1 800 444 3353 SKU 93212 LIMITED 1 YEAR 90 DAY WARRANTY Harbor Freight Tools 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 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 inc
42. the Fuse Holder Socket and press in with the screw driver turning clockwise until the Fuse Holder clicks into place Release pressure The Fuse Holder will be flush with the rim of the Fuse Holder Socket REV 10b Page 28 For technical questions please call 1 800 444 3353 SKU 93212 Troubleshooting Possible Causes Likely Solutions Motor and Electrical Lathe will not start Cord not connected Check that cord is plugged in or a breaker trips on 2 No power at outlet Check power at outlet If outlet is unpowered startup turn off tool and check circuit breaker If breaker is tripped make sure circuit is right capacity for tool and circuit has no other loads Fuse has blown Check for short replace fuse see Maintenance section of this manual Chuck Guard safety interlock not 4 Rotate Pin 251 so it seats in Plate 252 in place PC Board 182 faulty Inspect PC Board have replaced if needed Power Switch 178 Forward Check and replace as needed OFF Reverse Switch 181 and or Speed Control Knob 180 not working Internal damage or wear such Have technician service tool as wiring Lathe stalls Incorrect workpiece material Use metal suited for Lathe metal Drive Pulleys slipping on shaft Tighten or Replace Pulleys 27 148 Removing too much material per 3 Remove less material per pass pass Lathe operates Extension cord too long or wire size Eliminate use of
43. the Nuts Replacement of Jaws Internal Jaw Set 168 9 47 JS end first 2 Number Figure 14 The Lathe comes with two sets of Jaws an External Jaw Set 166 and an Internal Jaw Set 168 Each piece is numbered and fits into the Chuck grooves with the corresponding number Page 15 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 NEP S Y 7 Grooves Figure 15 2 The jaws held in place by spiralled scroll inside the Chuck which rotates around the center of the chuck with the Chuck Key As the scroll rotates it hooks into the jaw ridges then pulls each Jaw toward the center of the Chuck as the spiral of the scroll rotates around the Chuck A Lead thread of Scroll y B Insert Jaw 1 Insert Chuck Key 167 Turn Clockwise Figure 16 To replace the Jaws a Unplug the Lathe b Place a towel under the Chuck to 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 each Jaw out of it s slot as it becomes free c Look at the Chuck so you can see into the grooves and find the groove marked 1 Rotate the Chuck Key clockwise until you see the lead thread of the Scroll in groove 1 Ain Figure 16 d Slide Jaw 1 into t
44. w 1 90 jJNKtM5 4 91 jScewM6x12 6 92 Slideplate 12 93 jCarage 1 94 jGibstrip 1 1 95 Feedingnutimperial 1 96 Swiveldisk j 1 97 j ScewM8x20 116 98 NutM4 16 99 j ScewM4x16 1 3 110 jToolPostBoltM6 x25 1 111 ToolPostlever 1 112 ToolPost 11 2 113 StudM10x65 1 114 jCrossfeedscrev 1 115 Bracket 11 116 5 4 12 2 119 124 120 jModellabe CC 1 121 jDialindicatorlabel 11 2 Control Panel Control box Power Cord Not shown on Assembly Diagrams 1 5 1 S REV 106 SKU 93212 PARTS LIST CONTINUED Part Description Qty Partt Description Qty 125 j Rubberfot 4 194 ScewM4x38 1 126 Chiptray 1 195 1 127 Bracket 196 Tailstockplate S 1 128 KeyM3x16 1 197 ScewM5x16 S 1_ 129 Leadscrew 1 198 Flang 1 1 131 Bracket 199 ScewM5x25 j 1 133 SeewM3x10 3 200 Key3x12 1 134 o 1 201 Chuck Guard S 1 135 jClmpplate 71 1 202 Hinge S 1 136 _ WasherMi0__ 1 205 Springwasher 1 L 137 ScewM5x16 1 206 Bigwasher 171 138 1 207 Sping 11 139 jJTalstockscrew
45. ward using a 5mm the Lathe through the Chip Tray holes Hex Wrench part of 311 to unthread the Tighten securely Cap Screw 52 and turn the Cross Slide Crank around Tighten the Cap Screw securely REV 10b Page 12 For technical questions please call 1 800 444 3353 SKU 93212 Installing Guards q Guards Washer 239 Spring 237 and Nut 240 Then thread the Screw 238 into Protective Cover 235 the Compound Rest 108 Slide the Chuck Guard 201 NC notch in the Protective Cover 235 over fes the end of the Slotted Screw 236 Figure 7 Figure 8 202 1 To 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 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 REV 10b SKU 93212 For technical questions please call 1 800 444 3353 Page 13 SET UP Feeding Direction Selector 35 to the middle Neutral Initial Test Run Forward OFF Reverse Switch 181 Fuse Holder 179 Before further set up of the Lathe check that the power components are working REV RSE properly by performing the following test li run 0 1 Check that all loose parts and tools are os out of the way and nothing will interfere with the C
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