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Manual - Grizzly Industrial Inc.

1. 1 R Oil Bottle for Oil 1 S Cross Slide Handwheel Handle 1 T Carriage Handwheel Handle 1 U Dead Centers 2 Model G0602 G0752 Mfg Since 11 12 o 17 The unpainted surfaces of your machine coated with a heavy duty rust preventative that prevents corrosion during shipment and storage This rust preventative works extremely well but it will take a little time to clean Be patient and do a thorough job cleaning your machine The time you spend doing this now will give you a better appreciation for the proper care of your machine s unpainted surfaces There are many ways to remove this rust preven tative but the following steps work well in a wide variety of situations Always follow the manufac turer s instructions with any cleaning product you use and make sure you work in a well ventilated area to minimize exposure to toxic fumes Before cleaning gather the following e Disposable Rags e Cleaner degreaser WDe40 works well e Safety glasses amp disposable gloves e Plastic paint scraper optional Basic steps for removing rust preventative 1 Put on safety glasses 2 Coat the rust preventative with a liberal amount of cleaner degreaser then let it soak for 5 10 minutes 3 Wipe off the surfaces If your cleaner degrea
2. 1 To set the compound rest at a certain angle 1 Loosen the two hex nuts at the base of the compound rest 1 of 2 shown in Figure 49 Compound Rest Figure 49 Compound rest 2 Rotate the rest to the desired angle as indicated by the scale at the base then retighten the two hex nuts Tip The first time you set the angle of the compound rest for cutting threads mark the location on the cross slide as a quick refer ence point This will allow you to quickly return the compound rest to that exact angle the next time you need to cut threads 39 Four Way Tool Post The four way tool post is mounted on top of the compound rest and allows a maximum of four tools to be loaded simultaneously Each tool can be quickly indexed to the workpiece by loosening the top handle rotating the tool post to the desired position then re tightening the handle to lock the tool into position Installing Tool Tool Needed Qty Hex Wrench 6mm 1 To install a tool in the tool post 1 Adjust the tool post screws so that the cutting tool can fit underneath them see Figure 50 Tool Post Cutting Figure 50 Example of tool mounted in tool post A WARNING Over extending a cutting tool from the post willincrease the risk of tool chatter breakage or tool loosening during operation which could cause metal pieces to be thrown at the oper
3. To Wiring Box To Wiring Box To Wiring Box Spindle Speed Page 69 ar Page 69 Page 69 Circuit Board 9 Spindle See Figure 110 Speed Page 72 Sensor See Figure 112 on Page 72 VS Switch See Figure 109 Page 72 10 RPM Display See Figure 108 Page 72 LA252HBE102C LA252HBE101C LA252HBE102C LA252HBE102C LA252HBE101C Spindle OFF Button ON Button E Stop Direction Switch Switch Button Switch Switch Control Panel Viewed from Behind See Figure 107 on Page 72 Model G0602 G0752 Mfg Since 11 12 READ ELECTRICAL SAFETY 71 66 30752 Control Panel Components Spindle Direction Switch E Stop Wa Button Button Switch Switch 112 Spindle speed sensor 72 READ ELECTRICAL SAFETY Model G0602 G0752 Mfg Since 11 12 ON PAGE 66 0752 Motor Wiring Diagram Motor 1HP 220V 3PH Motor Fan 110V 30W 1PH 110 VAC 5 15 Plug As Recommended Neutral To Wiring To Wiring To Wiring Box Box Box Page 69 Page 69 Page 69 Figure 113 Left motor junction box Figure 114 Right motor junction box Model G0602 G0752 Mfg Since 11 12 o 73 SECTION 9 PARTS Spindle amp Drive Belt 2 36 37 N 20602 8
4. 54 Tool Post 4 Compound Rest 77 Compound Slide 54 Tal Ir ETT 78 Change 55 Bed amp Leadscrew 79 Machine Storage 56 Steady Rest amp Follow Rest 80 G0602 Motor Electrical 81 00752 Motor amp Electrical 82 Change Gedal NENNT 83 i RA gt GearbOox n 84 acklash Adjustment Compound 60 l ee C 2 2 u u uu ann un a as 60 SECTION 10 APPENDIX 89 Gib Adjustment 61 G0602 Charts 89 Half Nut Adjustment 62 G0752 eii ARE TR AE 90 Leadscrew Shear Pin Replacement 62 V Belt Tension Replacement 63 AND RE IU S ai 93 Tensioning V Belt 63 Replacing V Belt 64 Timing Belt Tension Replacement 65 Tensioning Timing Belt 65 Replacing Timing Be
5. 5 8 P0602924 REF PART co co NO co N co N co N NO N N 2 cO cO O MI O IO PS07M PHLP HD SCR M4 7 X 8 P0602934 STRAIGHT WAY WIPER N 3 39 cO C Model G0602 G0752 Mfg Since 11 12 G0602 Labels amp Cosmetic 947 855 66 O READ and UNDERSTAND DISCONNECT instruction manual to EYE INJURY POWER BEFORE avoid serious injury If a HAZARD ADJUSTMENTS a not Always wear safety MAINTENANCE OR Haa i to www grizzly com or glasses when using SERVICE call 800 523 4777 this machine 2 P n gt ENTANGLEMENT HAZARD Tie back long hair roll up La G 0 6 02 long sleeves and remove 7 loose clothing jewelry Rai gloves to prevent getting 19 x 380 720 1200 2400 caught in moving parts zi 2 K ACI AQ um Dim NO 5 Sri 2114 MODEL 0602 10 X 22 LATHE 950 DAMAGE WILL OCCUR IF HIGH LOW WHILE RUNNING CARRIAGE FEEDS INTO HEADSTOCK OR TAILSTOCK 946 948 REF PART DESCRIPTION REF PART DESCRIPTION 66 P0602066 SAFETY GLASSES LABEL ALU
6. 1 Round Stock 2 x 6 2 Precision Level 1 Precision Calipers 1 ara 1 To align the tailstock to the spindle center line 1 Use the precision level to make sure the bedway is level from side to side and from front to back lf the bedway is not level correct this con dition before continuing refer to Leveling amp Mounting on Page 21 2 Center drill both ends of one piece of round stock then set it aside for use in Step 5 3 Use the other piece of round stock to make a dead center and turn it to a 60 point as illustrated in Figure 38 Figure 38 Turning a dead center 34 Note As long as this dead center remains in the chuck the point of the center will remain true to the spindle centerline The point will have to be refinished whenever the center is removed and then returned to the chuck Install a center in the tailstock Attach a lathe dog to the test stock from Step 2 then mount it between the centers see Figure 39 for an example Figure 39 Example photo of stock mounted between the centers Turn 0 010 off the stock diameter Mount a test or dial indicator so that the plunger is on the tailstock quill Note f necessary in the follo
7. gt you connect the machine to power before completing the setup process DO NOT connect power until instructed to do so later in this manual Model G0602 G0752 Mfg Since 11 12 9 Tailstock Back Splash Chip Tray Thread Dial Half Nut Lever Cross Slide Handwheel Carriage Handwheel Leadscrew Alpha Gearbox Dial Gearbox Oil Level Sight Glass Numeric Gearbox Dial Change Gear and Belt Safety Cover AWARNING Untrained users have an increased risk xz cadonovozz of seriously injuring themselves with this machine Do not operate this machine until you have understood this entire manual and received proper training Controls amp Components Refer to Figures 3 8 and the following descrip tions to become familiar with the basic controls of this lathe Model G0602 Control Panel 60602 sa 150 300 58g 703 Ki ACT 200 2400 ml AGE ACI Figure 3 Model G0602 control panel Model G0752 Control Panel p aoe 24 9 p E St i 2 N gt CS podio s i Tm Figure 4 Model G0752 control panel A Emergency STOP Button Cuts power to the motor and control panel when pressed Remains depressed until reset by twisting clockwise B Spindle Switch Starts stops and reverses spindle rotation C ON Button Enables spindle rotation D OFF Button Stops spindle rotation E Spindle Speed RPM Display Show
8. Flat Washer i Hex Bolt Figure 16 Example of a through mount setup 21 Assembly With the exception of the handwheel handles the lathe is shipped fully assembled To install the handwheel handles thread the large handle into the carriage handwheel and the small handle into the cross slide handwheel as shown in Figure 17 Figure 17 Handwheel handles installed Lubricating Lathe GEARBOX MUST BE FILLED WITH OIL STOP LATHE MAY NOT HAVE OIL INCLUDED Refer to the Lubrication Section in this Manual for Recommended Oil Type The lathe must be properly lubricated before it can be operated for the first time Damage caused to the bearings and gears from running the lathe without oil in the reservoirs will not be covered under warranty Refer to the Lubrication section beginning on Page 52 for details on how to lubricate the lathe 22 Power Connection Before the machine can be connected to the power source an electrical circuit and connec tion device must be prepared per the POWER SUPPLY section in this manual and all previ ous setup instructions in this manual must be completed to ensure that the machine has been assembled and installed properly Connecting Power Always make sure the spindle direction switch on the front of the headstock is turned OFF middle position before connecting power Insert the power cord plug into a matching power supply receptacle
9. Model G0602 G0752 Mfg Since 11 12 READ ELECTRICAL SAFETY 67 ON PAGE 66 G0602 Electrical Components Figure 101 Spindle direction switch and ON Figure 104 Spindle direction switch and button emergency stop switch 111 312 13NO 21NC 31NC 43NO SIEMENS 32NC 44NO Figure 105 Magnetic contactor Figure 103 Motor connection detail 68 READ ELECTRICAL SAFETY Model G0602 G0752 Mfg Since 11 12 ON PAGE 66 20752 Wiring Box Diagram To Control Panel To Circuit Board To Variable Speed Spindle Direction Page 71 Page 71 Switch Page 71 Switch Page 71 _ kd ed Contactor Siemens 22bE KM1 3TB41 42232955945 MI L x PE 110 220 Transformer BEIJING AOHENGDA ELECTRICAL JBK5 40VA a To Left Motor Right Motor To Power Junction Box Junction Box Supply Page 73 Page 73 Page 73 Model G0602 G0752 Mfg Since 11 12 READ ELECTRICAL SAFETY 69 ON PAGE 66 G0752 Wiring Box Components Figure 106 20752 electrical box 70 READ ELECTRICAL SAFETY Model G0602 G0752 Mfg Since 11 12 ON PAGE 66 G0752 Control Panel Wiring Diagram
10. 720 REF PART DESCRIPTION 01 PSSOIM SET SCREW M6 1 X 10 02 03 04 06 07 708 Model G0602 G0752 Mfg Since 11 12 724 721 9 722 REF PART DESCRIPTION FLAT WASHER 6MM LOCK WASHER 8MM 28 83 84 Gearbox Model G0602 G0752 Mfg Since 11 12 Gearbox Parts List REF PART DESCRIPTION 01 _ 0602801_ 02 602802 K133M EV e O O N Po602808 BUSHING 0 05 10 11 P0602811 P0602812 P0602813 P0602814 P0602815 P0602816 P0602817 PCAP26M 19 P0602819 FLANGE 20 P6202 OPEN 21 2 2 24 P0602824 25 0602825 U O N Co Co Co 00 N O 00 NIO 00 TI gt Z m 00 23 o elg lt lt N Model G0602 G0752 Mfg Since 11 12 9 REF PART DESCRIPTION 85 Cross Slide amp Carriage 907 909 903 REF PART DESCRIPTION SADDLE 906 PO602906 LEADSCREWBRACKET 909 RIVET2X5MMSTEELFLUTED CROSS SLIDE HANDWHEEL HANDWHEEL HEX NUT SLIDE BLOCK 917 P0602917 SLIDE BLOCK P0602918 GUARD PCAP26M CAP SCREW 1 X 12 PSS11M SET SCREW M6 1 X 16 9 86 919 DESCRIPTION 21 2
11. CORRECT INCORRECT Unsafe Jaw Position and Safer Outside Poor Scroll Gear Engagement Jaw Use Poor Grip Unstable CORRECT INCORRECT Unsafe Inside Safer Outside Jaw Use Jaw Use Poor Scroll Gear Engagement Unsafe Jaw CORRECT Position INCORRECT Safer Inside Unsafe Jaw Position Jaw Use Poor Scroll CORRECT Gear Engagement Figure 29 Jaw selection and workpiece holding INCORRECT 29 4 Jaw Chuck Refer to the Chuck Installation see Page 27 and Chuck Removal see Page 28 instructions to install or remove the 4 jaw chuck The 4 jaw chuck features independently adjust able hardened steel jaws for holding non con centric or off center workpieces Each jaw can be independently removed from the chuck body and reversed for a wide range of work holding versatility AWARNING Because of the dynamic forces involved in machining a non concentric or off center workpiece always use a low spindle speed to reduce risk of the workpiece coming loose and being thrown from the lathe which could cause death or serious personal injury Tools Needed Qty 4 Jaw Chuck K ey 1 Dial 9 aT 1 mount the workpiece 1 DISCONNECT LATHE FROM POWER 2 Place a chuck cradle or plywood on the bedway below the chuck to protect the bedway surfaces 3 Use the chuck key to open each jaw so the workpiece will lay flat against the chuck face j
12. 6 Changing Jaw 561 28 Model G0602 Control Panel 6 Scroll Chuck Clamping 29 Model G0752 Control Panel 6 BAW CRUCK RR NOTET 30 Quick Change 6 31 RE 7 Q I K 32 6191 uuu P 7 Positioning Tailstock 32 Change Gears Pulleys 7 Re mV 32 Machine Data 8 Installing Tooling aa 32 SECTION 1 10 Removing Tooling 33 Salani Sha tor Machina 10 Offsetting Tailstock 33 y Aligning Tailstock to Spindle Centerline 34 Additional Safety for Metal Lathes 12 Cenere 36 Glossary of Terms 13 Dead Centers 36 SECTION 2 POWER SUPPLY 14 Live Centers oi 36 PAN 14 Mounting Dead Center in Spindle 36 Full Load Current Rating 14 Removing Center from Spindle 37 Circuit Requirements eee 14 Mounting Center in Tailstock 37 Grounding a
13. Industrial Inc MODEL G0602 G0752 10 X 22 BENCHTOP LATHE OWNER S MANUAL For models manufactured since 11 12 s G0602 As 150 300 560 720 1200 2400 BEI 802 BCS agg G0602 Shown COPYRIGHT MARCH 2013 BY GRIZZLY INDUSTRIAL INC REVISED MARCH 2015 BL WARNING NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT THE WRITTEN APPROVAL OF GRIZZLY INDUSTRIAL INC BL15556 PRINTED IN CHINA Ax WARNING This manual provides critical safety instructions on the proper setup operation maintenance and service of this machine tool Save this document refer to it often and use it to instruct other operators Failure to read understand and follow the instructions this manual may result in fire or serious personal injury including amputation electrocution or death The owner of this machine tool is solely responsible for its safe use This responsibility includes but is not limited to proper installation in a safe environment personnel training and usage authorization proper inspection and maintenance manual availability and compre hension application of safety devices cutting sanding grinding tool integrity and the usage of personal protective equipment The manufacturer will not be held liable for injury or property damage from negligence improper training machine modifications or misuse Ax WARNING Some dust created by
14. Disconnecting Power If you need to disconnect the machine from power for maintenance service or adjustments turn the machine off and pull the plug completely out of the receptacle Test Run Once the assembly is complete test run your machine to make sure it runs properly and is ready for regular operation The test run consist of verifying the following 1 The motor powers up and runs correctly 2 the emergency STOP button safety feature works correctly If during the test run you cannot easily locate the source of an unusual noise or vibration stop using the machine immediately then review Troubleshooting on Page 57 If you still cannot remedy a problem contact our Tech Support at 570 546 9663 for assistance Model G0602 G0752 Mfg Since 11 12 test run your machine 1 Make sure the spindle direction switch see Figure 18 is turned to STOP and press the emergency STOP button 18 JO ur Emergency EE EN LA E i Stop Button x t Spindle Direction Switch to STOP p w E Figure 18 Headstock and gearbox controls 2 Read and follow the safety instructions at the beginning of the manual take all required safety precautions and make sure all pre vious preparation steps discussed in this manual have been followed and completed 3 Clear away all tools and objects used during assembly lubrication and preparation 4 M
15. j 37 Ryo n i gt Ri x 4 x DR DRS 74 o Model G0602 G0752 Mfg Since 11 12 Spindle amp Drive Belt Parts REF PART DESCRIPTION REF PART DESCRIPTION 6 _ 0602006 FLATWASHEReMM 8 Po602008 CLAMP 17 19 P0752019 SPEED SENSOR RING WMAGNETS 54 1 0602054 1 3 CHUCK JAWINT3 PCSET _______ V BELT M 27 5 3L275 G0602 4 JAW CHUCK 6 5 4 JAW CHUCK BACKPLATE 60 __ 2060 _ TOOLBOX EMPTY BALL BEARING 600122 G0602 69 602069 STANDARD SCREWDRIVER 1 PULLEY 60602 Please Note We do our best to stock replacement parts whenever possible we cannot guarantee that all parts shown here are available for purchase Call 800 523 4777 or visit our online parts store at www grizzly com to check for availability Model G0602 G0752 Mfg Since 11 12 o 75 111 X 112 M gt Si 135 113 wr 4 G0752 Only N 114 115 4 gt 131 v 130 121 1122 126 1 123 124 2 125 126 4 P i ARN 127 ae E gt 9 12 140 138 129 142 i41 139 b O medi 00602 Only REF PART DESCRIPTION REF PART DESCRIPTION 76 9 29 30 31 32 33 CARRIAGE HANDWHEEL G0602 33 CARRIAGE HANDWHEEL G0752 34 ROLL PIN 4 X 24 G0602
16. 0 0120 in rev 1 DISCONNECT LATHE FROM POWER 2 Turn the feed dials to the numeral and letter indicated by the chart in Figure 61 Note You may have to rock the chuck by hand to get the gearbox gears to mesh 3 Gather the required change gears based upon the chart in Figure 61 4 Remove the cap screw that secures the change gear cover open the cover then loosen the lash adjuster cap screw see Figure 61 and swing the change gear assembly out of the way 5 Remove the E clips and cap screw from the change gears 6 Lubricate the change gears refer to Page 55 for detailed instructions and swap them out in the order shown on the chart in Figure 61 then re install the E clips and cap screw Note A change gears are stamped with the number of teeth they have 7 Move the lash adjuster so the gear backlash is between 0 003 to 0 008 tighten the lash adjuster cap screw then close and secure the change gear cover 8 Loosen the carriage lock see Figure 60 and push down on the half nut lever to engage the power feed TZ we s tie Tri ES Carriage Lock 3 Screw Ww KK e gt i f ED TRA TM f bo Lu Half Nut E Lever aes N 7 47 Figure 60 Carriage lock and feed control The lathe is now set up for a power feed rate of 0 0120 in rev NOTICE
17. 03 LOCK WASHER 6MM 04 ELECTRICAL CABINET COVER 07 STRAIN RELIEF NUT 08 STRAIN RELIEF M25 1 5 6 10 PS17M PHLP HD SCR M4 7 X 6 11V2 602611 2 110V 1 PH ALUM BDY V2 09 08 11V2 1 P0602611V2 1 MOTOR FAN 11V2 2 P0602611V2 2 MOTOR FAN COVER 11V2 3 PC150 5 CAPACITOR 150M 125V 11V2 4 P0602611V2 4 R CAPACITOR 20M 400V Model G0602 G0752 Mfg Since 11 12 DESCRIPTION REF PART o 81 30752 Motor amp Electrical 611 2 611 DESCRIPTION ELECTRICAL CABINET CAP SCREW 6 1 X 25 LOCK WASHER 6MM ELECTRICAL CABINET COVER STRAIN RELIEF NUT STRAIN RELIEF M25 1 5 P0752618 TRANSFORMER BAEEC JBK5 40VA REF PART 01 P0752601 PCAPO6M PLWOSM P0752604 P0602607 N 0 0 0 S o gt o O gt 00 2 1 1 2 3 4 6 O gt O gt O N 00 82 9 629 _ cos 626 rare 622 625 604 612 610 REF PART DESCRIPTION 19 Ble O 21 RELAY OMRON 2 220V 2 2 28 2 30 3 32 33 34 O gt O gt O gt O gt O gt O gt N N TM IO O1 O O O co O O O O Model G0602 G0752 Mfg Since 11 12 lt 711 731 a gt 732 Co 733 Co 734 725 723
18. 104 tooth Installed 1 A 5 Three Jaw 1 Change Gear 120 tooth 1 B Steady Rest 1 Change Gear 127 tooth Installed 1 C Follow 1 X Frequency Drive Manual VFD E G0752 Not D 4 Way Tool Post 1 MER 1 E Compound Rest 1 u os sS 1 Figure 10 Installed components Packaged Components Figure 11 Qty G Chip Pan Not 1 Figure 11 Packaged components H Hex Wrench Set 2 5 3 4 5 6 mm 1 Ea Dl 1 jJ 8 Faceplate 1 67 4 Jaw Independent Chuck 1 If you cannot find an item on this list care L Low Range Belt 2772 20602 1 fully check around inside the machine and High Range Belt 33 Installed GO602 1 packaging materials Often these items get V Belt 33 Installed G0752 1 lost in packaging materials while unpack M 2 Phillips and Standard Screwdriver 1 Ea ing Or they are pre installed at the factory Wrench Set 8 10 12 14 19 17mm 1 Ea 3 Jaw Chuck Internal Jaw Set 1 P 3 Jaw Chuck 1 Q 4 Jaw Chuck
19. 34 SET SCREW 6 1 X 12 G0752 35 36 GEAR SHAFT G0602 36 37 38 39 40 41 42 43 PLATE SPRING G0752 144 145 ROLL PIN G0752 KEY 3 X 3 X 12 G0752 Model G0602 G0752 Mfg Since 11 12 Tool Post amp Compound Rest 220A 223 213 225 230 231 REF PART DESCRIPTION REF PART DESCRIPTION 01 17 02 18 03 19 04 20 05 20 06 21 0602221 Model G0602 G0752 Mfg Since 11 12 77 Tailstock REF DESCRIPTION REF PART DESCRIPTION 08 09 10 11 I 26 1 78 o Model G0602 G0752 Mfg Since 11 12 Bed amp Leadscrew 2 404 407 406 408 REF PART DESCRIPTION REF PART DESCRIPTION 05 602405 LEADSCREW END BRACKET PWO1M FLAT WASHER 8MM 06 P0602406 BALL 6MM PNO3M HEX NUT M8 1 25 07 2 CAP SCREW 6 1 X 20 415 P0602415 CHIP PAN 08 PLNOSM LOCK NUT M10 1 5 Model G0602 G0752 Mfg Since 11 12 79 Steady Rest amp Follow Rest REF PART DESCRIPTION STEADY REST ASSEMBLY HEX NUT M12 1 75 11 FOLLOW REST ASSEMBLY FINGER FOLLOW REST CASTING HEX NUT M6 1 18 Model G0602 G0752 Mfg Since 11 12 G0602 Motor amp Electrical 611V2 6 611V2 1 611V2 2 611V2 3 gt gt 7 6112 5 62 604 sa 610 lt 612 e lt e yr TX 611V2 7 611V2 611V2 4 621 REF PART DESCRIPTION 01 ELECTRICAL CABINET 02 AP SCREW 6 1 X 25
20. G0752 Mfg Since 11 12 Tools Needed Qty Hex Wrench 6mm 1 Steel 5 5 As Needed Cutting TR 1 Tailstock 1 To align the cutting tool with the tailstock center 1 Mount the cutting tool in the tool post then secure the post so the tool faces the tailstock 2 Install a center in the tailstock and position the center tip near the cutting tool tip 3 Lock the tailstock and quill in place 4 Adjust the height of the cutting tool so that the tool tip is aligned vertically and horizontally with the center tip as shown in Figure 52 Tailstock Center Cutting Tailstock Tool Center Figure 52 Cutting tool aligned to the tailstock center Model G0602 G0752 Mfg Since 11 12 Manual Feed The handwheels shown in Figure 53 allow the operator to manually move the cutting tool Compound Rest Handwheel AZ Figure 53 Manual handwheel controls Carriage Handwheel Use the carriage handwheel to move the carriage left or right along the bed This control is help ful when setting up the machine for turning or when manual movement is desired during turning operations Cross Slide Handwheel Graduated Dial 5 0 001 0 025mm One Full Revolution 0 06 1 52mm Use
21. Slide the carriage tailstock and steady rest down the lathe bed to make sure that way spotting is not beginning to occur Model G0602 G0752 Mfg Since 11 12 SECTION 7 SERVICE Review the troubleshooting and procedures in this section if a problem develops with your machine If you need replacement parts or additional help with a procedure call our Technical Support at 570 546 9663 Note Please gather the serial number and manufacture date of your machine before calling Troubleshooting Motor amp Electrical Machine does not 1 Emergency stop button engaged or at fault 1 Rotate button clockwise until it pops out to reset it start or a circuit for operation replace if not working properly breaker trips 2 Spindle direction switch turned OFF or at 2 Turn spindle direciton switch to FWD or REV fault Ensure switch has correct voltage Replace if faulty Start capacitor at fault Test replace if faulty Wall fuse circuit breaker is blown tripped Verify circuit is rated for machine amp load short in electrical system start up load too troubleshoot and repair cause of overload replace high for circuit weak breaker find repair electrical short Wiring is open has high resistance Check for broken wires or disconnected corroded connections and repair replace as necessary Contactor not getting energized has poor Test for power on all legs and contactor operation contacts Replace unit if faulty Motor co
22. below The plug must only be inserted into a matching receptacle outlet that is properly installed and grounded in accordance with all local codes and ordinances AWARNING Serious injury could occur if you connect the machine to power before completing the setup process DO NOT connect to power until instructed later in this manual GROUNDED 5 15 RECEPTACLE Grounding Prong SHOCK HAZARD Two prong outlets do not meet the grounding requirements for this machine Do not modify or use an adapter on the plug provided if it will not fit the outlet have a qualified electrician install the proper outlet with a verified ground Model G0602 G0752 Mfg Since 11 12 Improper connection of the equipment grounding wire can result in a risk of electric shock The wire with green insulation with or without yellow stripes is the equipment grounding wire If repair or replacement of the power cord or plug is nec essary do not connect the equipment grounding wire to a live current carrying terminal Check with a qualified electrician or service per sonnel if you do not understand these grounding requirements or if you are in doubt about whether the tool is properly grounded If you ever notice that a cord or plug is damaged or worn discon nect it from power and immediately replace it with a new one Extension Cords We do not recommend using an extension cord with this machine If you must use an extension cord only
23. by the motor On the Model G0752 V belt tension is controlled by a tensioner between the spindle and motor pulleys Tools Needed Qty Open End Wrench 17mm 1 Hex Wrench T 1 Hex Wrench 8mm 1 Tensioning V Belt To tension the Model G0602 low range V belt or Model G0752 V belt 1 DISCONNECT LATHE FROM POWER 2 Open the change gear cover 3 Loosen the tensioner lock nut Model G0602 or tensioner lock bolt Model G0752 shown in Figures 93 94 Tensioner TA 8 es ne ago DO 00 Figure 93 Model 20602 tensioner and lock nut Model G0602 G0752 Mfg Since 11 12 4 Push the tensioner against the V belt to ten sion it then secure the tensioner The V belt is correctly tensioned when there is approximately 4 deflection when it is pushed with moderate pressure as shown in Figure 95 Deflection Figure 95 Correct V belt deflection f there is more than 4 deflection when the V belt is pushed with moderate pressure loosen the tensioner adjust it so the ten sion is correct then secure the tensioner 5 Secure the change gear cover 63 tension the Model 0602 high range V belt 1 Follow Steps 1 3 in Tensioning Timing Belt on Page 65 2 Lower the motor and re tighten the mounting hex nuts The high range V belt is correctly tensio
24. capability when it Is engaged with the lead screw The rate that the carriage moves feed rate is controlled by V belt change gear and gearbox dial configurations Feed rate and spindle speed must be considered together when determining the proper cutting speed for a given workpiece The sources you use to determine the optimum spindle speed for an operation will also provide the optimal feed rate to use with that spindle speed Often the experienced machinist will use the feeds and speeds given in their reference charts or web calculators as a starting point then make minor adjustments to the feed rate and some times spindle speed to achieve the best results The carriage can alternately be driven by the leadscrew for threading operations However this section only covers using the power feed option for the carriage for non threading operations To learn how to power the carriage for threading operations refer to Threading on Page 46 Tools Needed Qty Hex Wrench 1 Hex Wrench 1 Model G0602 G0752 Mfg Since 11 12 Setting Power Feed Rate The feed rate chart on the headstock displays the settings for the feed controls for inch feed rates Using the controls on the lathe follow along with the example below to better understand how to set the lathe for the desired power feed rate Setting Power Feed Rate of
25. cutting tool Figure 54 Spindle speed formula for lathes Cutting speed typically defined in feet per minute FPM is the speed at which the edge of a tool moves across the material surface A recommended cutting speed is an ideal speed for cutting a type of material in order to produce the desired finish and optimize tool life The books Machinery s Handbook or Machine Shop Practice and some internet sites pro vide excellent recommendations for which cutting speeds to use when calculating the spindle speed These sources also provide a wealth of additional information about the variables that affect cutting speed and they are a good educational resource Also there are a large number of easy to use spindle speed calculators that can be found on the internet These sources will help you take into account the applicable variables in order to deter mine the best spindle speed for the operation 42 9 Setting Spindle Speed Selecting one of the available six spindle speeds Model G0602 or one of the three spindle speed ranges Model G0752 is performed by reposition ing the V belt s between the pulleys Tools Needed Qty Hex Wrench 5mm 1 Hex Wrench Slan 1 Open End Wrench 17mm 1 AWARNING Use a low RPM when machining heavy eccentric workpieces securely clamp your workpiece and remove the chuck key Objects thrown from a lath
26. move in unison to center 1 DISCONNECT LATHE FROM POWER a concentric workpiece 2 Use an appropriate device to protect the ways When installing the jaws it is important to make and support the chuck refer to Installation amp sure they are installed correctly Incorrect installa Removal Devices on Page 26 tion will result in jaws that do not converge evenly and are unable to securely clamp a workpiece 3 Remove the cap screws and chuck locks see Figure 24 Inside Set Chuck Lock Figure 24 Location of chuck lock and cap screws Figure 26 Chuck and jaw selection 4 Insert the chuck wrenches as shown in Figure 25 then while holding the spindle Jaws are numbered from 1 3 see Figure 27 unthread the chuck in a counterclockwise They are designed to be installed in numerical direction order in the jaw guides so they will hold a concen tric workpiece evenly Figure 25 Location to insert chuck keys when removing chuck Figure 27 Jaw guide and jaw numbers 5 Support the chuck unscrew it and remove 28 o Model G0602 G0752 Mfg Since 11 12 To change the jaw set 1 DISCONNECT LATHE FROM POWER 2 Place apiece of plywood over the bedways to protect them from potential damage 3 Insert the chuck key and turn it counterclock wise to back the jaws out and remove them 4 Use mineral spirits to clean the debris and grime from the jaws and chuck jaw guides 5 Apply a thin coat of wh
27. must accompany the merchandise The manufacturers reserve the right to change specifications at any time because they constantly strive to achieve better quality equipment We make every effort to ensure that our products meet high quality and durability standards and we hope you never need to use this warranty Please feel free to write or call us if you have any questions about the machine or the manual Thank you again for your business and continued support We hope to serve you again soon Jam TOOL BSITE Buy Direct and Save with Grizzly Trusted Proven and a Great Value Since 1983 Visit Our Website Today For Current Specials ORDER 24 HOURS A DAY 1 800 523 4777 ER Y AMERICAN VISA MasterCard Weed S
28. other tools on machine Always verify removal before starting USE CORRECT TOOL FOR THE JOB Only use this tool for its intended purpose do not force it or an attachment to do a job for which it was not designed Never make unapproved modifica tions modifying tool or using it differently than intended may result in malfunction or mechanical failure that can lead to personal injury or death AWKWARD POSITIONS Keep proper footing and balance at all times when operating machine Do not overreach Avoid awkward hand positions that make workpiece control difficult or increase the risk of accidental injury CHILDREN amp BYSTANDERS Keep children and bystanders at a safe distance from the work area Stop using machine if they become a distraction GUARDS amp COVERS Guards and covers reduce accidental contact with moving parts or flying debris Make sure they are properly installed undamaged and working correctly Model G0602 G0752 Mfg Since 11 12 9 FORCING MACHINERY Do not force machine It will do the job safer and better at the rate for which it was designed NEVER STAND ON MACHINE Serious injury may occur if machine is tipped or if the cutting tool is unintentionally contacted STABLE MACHINE Unexpected movement dur ing operation greatly increases risk of injury or loss of control Before starting verify machine is stable and mobile base if used is locked USE RECOMMENDED ACCESSORIES Consult this owner
29. 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 these chemicals are e Lead from lead based paints Crystalline silica from bricks cement and other masonry products e Arsenic and chromium from chemically treated lumber 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 equip ment such as those dust masks that are specially designed to filter out microscopic particles Table of Contents INTRODUCTION eere 3 SECTION 4 OPERATIONS 25 Machine Description 3 Operation Overview 25 Contact Info 3 Chuck amp Faceplate Mounting 26 Manual Accuracy 3 Installation amp Removal Devices 26 Model 0602 Identification 4 Chuck Installation 27 Model G0752 Identification 5 Chuck Removal 28 Controls amp Components
30. s manual or the manufacturer for rec ommended accessories Using improper acces sories will increase the risk of serious injury UNATTENDED OPERATION To reduce the risk of accidental injury turn machine OFF and ensure all moving parts completely stop before walking away Never leave machine running while unattended MAINTAIN WITH CARE Follow all maintenance instructions and lubrication schedules to keep machine in good working condition A machine that is improperly maintained could malfunction leading to serious personal injury or death CHECK DAMAGED PARTS Regularly inspect machine for any condition that may affect safe operation Immediately repair or replace damaged or mis adjusted parts before operating machine MAINTAIN POWER CORDS When disconnect ing cord connected machines from power grab and pull the plug NOT the cord Pulling the cord may damage the wires inside Do not handle cord plug with wet hands Avoid cord damage by keeping it away from heated surfaces high traffic areas harsh chemicals and wet damp locations EXPERIENCING DIFFICULTIES If at any time you experience difficulties performing the intend ed operation stop using the machine Contact our Technical Support at 570 546 9663 11 Additional Safety for Metal Lathes AWARNING SPEED RATES Operating the lathe at the wrong speed can cause nearby parts to break or the workpiece to come loose which will result in dan gerous projectiles t
31. the workpiece and is used to support long slender workpieces in the tailstock A carbide tipped dead center not included can better withstand the effects of friction than a typi cal dead center and is best used in the tailstock where the workpiece will rotate against it The tip of a dead center must be generously lubricated during the operation to avoid premature wear and maximize smooth operation Using low spindle speeds will also reduce the heat and wear from friction Use the dead center in the spindle for operations where the workpiece rotates with the center and does not generate friction 36 Live Centers A live center not included has bearings that allow the center tip and the workpiece to rotate together it can be installed in the tailstock quill for higher speeds Mounting Dead Center in Spindle 1 DISCONNECT LATHE FROM POWER 2 Thoroughly clean and dry all threads and mating surfaces of the spindle bore and the center making sure that no lint or oil remains on these surfaces Note This will prevent the tapered surfaces from seizing due to operational pressures which could make it very difficult to remove the center 3 Mount a chuck or faceplate onto the spindle whichever is correct for your operation 4 Insert the center into the spindle bore through the chuck or faceplate Figure 43 shows an example photo of a dead center installed in the spindle using a lathe dog and faceplate for turni
32. to leave access to a means of disconnecting the power source or engaging a lockout tagout device if required Lighting Lighting around the machine must be adequate enough that operations can be performed safely Shadows glare or strobe effects that may distract or impede the operator must be eliminated Min 30 for Maintenance Access Workpiece Loading Area Unobstructed 30 Footprint Footprint Figure 13 Minimum working clearances Model G0602 G0752 Mfg Since 11 12 19 Lifting amp Placing AWARNING HEAVY LIFT Straining or crushing injury may occur from improperly lifting machine or some of its parts To reduce this risk get help from other people and use a forklift or other lifting equipment rated for weight of this machine Do not attempt to lift or move this lathe without using the proper lifting equipment Such as forklift or crane or the necessary assistance from other people Refer to Needed for Setup on Page 16 for details To lift and move the lathe 1 Remove the shipping crate top and sides then remove the chip pan 4 jaw chuck face plate and toolbox from the shipping pallet Position the chip pan on the selected mount ing surface and use it as a template to mark the hole locations for the mounting hardware refer to Leveling amp Mounting on Page 21 Unbolt the lathe from the shipping pallet AWARNING Only use lifting straps and power l
33. to show when to engage the half nut during inch threading The thread dial num bers are not used when cutting metric threads since this lathe has an inch leadscrew 2 Half Nut 2 i Lever Thread Dial wml Mona i Minn ZIT Figure 64 Half nut lever and thread dial NOTICE When threading we recommend using the slowest speed possible and avoiding deep cuts so you are able to disengage the half nut when required and prevent an apron crash Model G0602 G0752 Mfg Since 11 12 Thread Dial Chart Find the threads per inch that you want to cut in the left column of the thread dial chart see Figure 65 then reference the dial number to the right of it The dial numbers indicate when to engage the half nut for a specific thread pitch The thread dial chart can also be found on the carriage beside the half nut lever 3 Indicator Table 72 112 Figure 65 Thread dial chart Note Since this lathe has an inch leadscrew do not use the thread dial when cutting metric threads Instead you must leave the half nut engaged from the beginning until the threading operation is complete 47 The following examples explain how to use the thread dial chart 9 12 18 24 36 48 72 For these threading use any of the lines on the thread dial See Figure 66 Figure 66 9 12 18 24 36 48 72 TPIs 914 111 131 Fractional TPI For thr
34. 1 949 SPINDLE SPEED HAZARD Using a spindle speed that is too fast for the chuck or an installed workpiece can result in serious impact injuries or death Use slow spindle speeds with large or bulky workpieces Never exceed RPM rating of chuck f DISCONNECT POWER BEFORE ADJUSTMENTS MAINTENANCE OR SERVICE PINCH ENTANGLEMENT HAZARD Disconnect power 947 before opening this door Stay clear of outboard spindle when lathe is running 948 IMPACT INJURY HAZARD Remove chuck key and all adjustment tools before starting lathe REF PART DESCRIPTION REF PART DESCRIPTION P0752625 G0752 CONTROL PANEL P0752948 IMPACT INJURY HAZARD LABEL P0752058 MACHINE ID LABEL P0752949 SPINDLE SPEED HAZARD LABEL PLABEL 55A ENTANGLEMENT LABEL PPAINT 11 PUTTY TOUCH UP PAINT PLABEL 62C DISCONNECT POWER LABEL PPAINT 1 GRIZZLY GREEN TOUCH UP PAINT P0752068 ENTANTANGLEMENT GEARS LABEL 88 Model G0602 G0752 Mfg Since 11 12 SECTION 10 APPENDIX 30602 Charts Model G0602 G0752 Mfg Since 11 12 o 89 30752 Charts z x O gt qd CUT ALONG DOTTED LINE Grizzlg WARRANTY CARD Industrial Inc Name Street City State Zip Phone Email Model Order Serial The following information is given on a volunta
35. 1 Open End Wrench 10 1 The compound rest backlash is adjusted by loos ening or tightening the nut and set screw shown in Figure 87 to remove play between the handwheel and the leadscrew collar Figure 87 Compound rest backlash adjustment set screws To adjust the backlash loosen the compound rest nut and set screw turn the handwheel counter clockwise until the compound rest moves then tighten the nut until the backlash is approximately 0 002 0 003 as indicated on the graduated dial Tighten the set screw to secure the setting 60 Cross Slide Tools Needed Qty Hex Wrench 4mm 1 Hex Wrench 5MM 1 Open End Wrench 14mm 1 The cross slide backlash is adjusted by loos ening the cap screw shown in Figure 88 The screw pushes down on a wedge and forces the leadscrew nut apart taking up lash between the nut and leadscrew Figure 88 Cross slide backlash adjustment cap screw To adjust the backlash remove the compound rest Then rock the cross slide handwheel back and forth and tighten the cap screw slowly until the backlash is approximately 0 002 0 003 as indicated on the graduated dial If you end up adjusting the nut too tight loosen the cap screw turn the handwheel back and forth until it turns freely then try again Re install the
36. 69 FOLD ALONG DOTTED LINE Send a Grizzly Catalog to a friend TAPE ALONG EDGES PLEASE DO NOT STAPLE WARRANTY AND RETURNS Grizzly Industrial Inc warrants every product it sells for a period of 1 year to the original purchaser from the date of purchase This warranty does not apply to defects due directly or indirectly to misuse abuse negligence accidents repairs or alterations or lack of maintenance This is Grizzly s sole written warranty and any and all warranties that may be implied by law including any merchantability or fitness for any par ticular purpose are hereby limited to the duration of this written warranty We do not warrant or represent that the merchandise complies with the provisions of any law or acts unless the manufacturer so warrants In no event shall Grizzly s liability under this warranty exceed the purchase price paid for the product and any legal actions brought against Grizzly shall be tried in the State of Washington County of Whatcom We shall in no event be liable for death injuries to persons or property or for incidental contingent special or consequential damages arising from the use of our products To take advantage of this warranty contact us by mail or phone and give us all the details We will then issue you a Return Number which must be clearly posted on the outside as well as the inside of the carton We will not accept any item back without this number Proof of purchase
37. 98227 2069 Email manuals grizzly com Model G0602 G0752 Mfg Since 11 12 Manual Accuracy We are proud to provide a high quality owner s manual with your new machine We made every effort to be exact with the instruc tions specifications drawings and photographs contained inside Sometimes we make mistakes but our policy of continuous improvement also means that sometimes the machine you receive will be slightly different than what is shown in the manual If you find this to be the case and the difference between the manual and machine leaves you confused about a procedure check our website for an updated version We post current manuals and manual updates for free on our website at WWW grizzly com Alternatively you can call our Technical Support for help Before calling please write down the Manufacture Date and Serial Number stamped into the machine ID label see below This infor mation helps us determine if updated documenta tion is available for your machine j MODEL GXXXX Grizzly MACHINE NAME SPECIFICATIONS Motor 44 WARNING To reduce risk of serious injury when using this machine ii nual before operation hfety glasses and respirator Specification ufactu re Date rectly adjusted setup and Specification power is connected to grounded circuit before starting Specification Make sure the motor has stopped and disconnect Weight power before adjustments main
38. AWARNING To reduce your risk of serious injury read this entire manual BEFORE using machine AWARNING To reduce risk of eye injury from flying chips always wear safety glasses or face shield when operating NOTICE If you are not experienced with this type of machine WE STRONGLY RECOMMEND that you seek additional training outside of this manual Read books magazines or get formal training before beginning any proj ects Regardless of the content in this sec tion Grizzly Industrial will not be held liable for accidents caused by lack of training NOTICE Complete the Test Run amp Break In proce dure on Pages 22 24 before using this lathe for any cutting or threading operations oth erwise gear box damage will occur Model G0602 G0752 Mfg Since 11 12 To complete a typical operation the operator does the following 1 Puts on safety glasses rolls up sleeves removes jewelry and secures any clothing jewelry or hair that could get entangled in moving parts 2 Examines the workpiece to make sure it is suitable for turning then securely mounts the workpiece in a chuck between centers or on the faceplate 3 Mountsthetooling aligns it with the workpiece then backs it away to establish a safe startup clearance 4 Clears all setup tools from the lathe 5 Checks for safe clearances by rotating the workpiece by hand at least one full revolution 6 Sets the correct spindle speed for the ope
39. Figure 1 Dead center inserted into tailstock 4 Insert the center into the tailstock quill 5 Seat the center firmly into the quill during workpiece installation by rotating the quill handwheel clockwise to apply pressure with the center engaged in the center hole in the workpiece Note Only apply enough pressure with the tailstock quill to securely mount the workpiece between centers Avoid overtightening the center against the workpiece or it may become difficult to remove later and it will result in excessive friction and heat which may damage the workpiece and center 6 Secure the quill lock lever and tailstock lock nut Removing Center from Tailstock To remove the center from the quill hold onto it with a gloved hand or shop rag then rotate the quill handwheel counterclockwise to draw the quill back into the casting until the center releases 37 Mounting Workpiece Between Centers 1 DISCONNECT LATHE FROM POWER 2 Drillcenterholes in both ends of the workpiece 3 Install a dead center the spindle with a lathe dog and a chuck or faceplate then install a live center or carbide tipped dead center in the tailstock 4 Lubricate the workpiece center holes then mount the workpiece between the centers and hold it in place with light pressure from the tailstock center 5 Seat the center firmly into the quill by rotating the quill handwheel clockwise to apply pres sure against the workpiece see th
40. MINUM P0602947 DISCONNECT POWER LABEL ALUM P0602855 READ MANUAL LABEL ALUMINUM P0602948 CARRIAGE FEED DAMAGE LABEL ALUM 940 P0602940 MACHINE ID LABEL ALUMINUM PPAINT 1 GRIZZLY TOUCH UP PAINT P0602941 ENTANGLEMENT LABEL ALUMINUM 950 PPAINT 11 PUTTY TOUCH UP PAINT P0602946 SHIFT NOTICE LABEL ALUMINUM Model G0602 G0752 Mfg Since 11 12 o 87 30752 Labels amp Cosmetic 625 940 z MODEL G0752 Grizzly VARIABLE SPEED LATHE Specifications Motor 1 HP 110V Single Phase reduce the risk of is injury when using this machine Full Load Amp Draw 12 Read ial Swing Over Bed 9 5 8 Distance Betweer nters ty glasses AND face shield g spindle or workpiece tie and DO NOT wear loose clothing unting workpiece setting up rly and securely held and has safe ion before starting lathe ENTANGLEMENT spindle speed foi ng HAZARD 7 Whe ndie rotation with Tie back long hair roll up SPINDLE SPEED Tallstock MT 3 Mise long sleeves and remove Tailstock Quill Travel 2 1 2 ha loose clothing jewelry or Weight 330 Ibs Re gloves to prevent getting L100 L800 caught in moving parts M160 M1300 Date H250 H2000 ppo rest 16 Prevent unauthorized use by children or untrained users MOTOR Mo restrict access or disable machine when unattended SPINDLE 95
41. Power Feed 45 Disconnecting Power a 22 Threading a 46 Test gi 22 Headstock Threading Controls AG Spindle Break In 24 Apron Threading aaa 47 Recommended Adjustments 24 Thread Dial Chart SECTION 5 ACCESSORIES 49 SECTION 8 WIRINGQG 66 Wiring Safety Instructions 66 2 20602 Wiring Diagram 67 Schedule 51 0602 Electrical Components 68 i M 4 20752 Wiring Box 69 si G0752 Wiring Box Components 70 51 00752 Control Panel Wiring Diagram 71 ally 00752 Control Panel Components 72 Cleaning Protecting 51 00752 Motor Wiring Diagram 73 LUDICO rai 52 Quick Change 52 SECTION 9 PARTS 74 53 Spindle amp Drive 74 Leadscrew amp Carriage 54 ADIO uit 76 Bedways
42. Sight Glass Figure 77 Headstock oil level sight glass After break in change the oil in the gearbox then again after three months Afterwards change the oil on an annual basis or more frequently if extreme machine use requires it Adding Oil Use an 8mm hex wrench to remove the gearbox fill plug see Figure 77 then add the oil until the level is approximately full in the oil sight glass Figure 78 Location of the quick change gearbox drain plug Draining Oil Remove the fill plug Figure 77 place a catch pan under the quick change gearbox drain plug see Figure 78 Use an 8mm hex wrench to loosen the drain plug remove it then allow the reservoir to empty Re install the drain plug Model G0602 G0752 Mfg Since 11 12 Ball Oilers Oil Type Grizzly T23963 or ISO 32 Equivalent Oil AMOUN 1 or 2 Squirts Fill Lubrication Frequency Daily This lathe has 10 ball oilers that should be oiled on a daily basis before beginning operation Proper lubrication of ball oilers is done with a pump type oil can that has a plastic or rubber ized cone tip We do not recommend using metal needle or lance tips as they can push the ball too far into the oiler break the spring seat and lodge the ball in the oil galley Lubricate the ball oilers before and after machine use and more frequently under heavy use When lubricating ball oilers first clean the ou
43. To avoid potential carriage chuck crash disengage the half nut lever immediately after completing power feeding operations Feed Dials Figure 61 Power feed setup Model G0602 G0752 Mfg Since 11 12 45 Threading The following subsections describe how to use the threading controls and charts to set up the lathe for a threading operation If you are unfamil iar with the process of cutting threads on a lathe we strongly recommend that you read books review industry trade magazines or get formal training before attempting any threading projects Headstock Threading Controls The threading charts on the headstock face dis play the settings for metric and inch threading Using the controls on the lathe complete the fol lowing examples to better understand how to set up the lathe for the desired threading operation To set the lathe to cut 64 TPI threads 1 DISCONNECT LATHE FROM POWER 2 Turn the feed dials to the numeral and letter indicated by the chart in Figure 62 Note You may have to rock the chuck by hand to mesh the gearbox gears 3 Gather the required change gears based upon the chart 4 Open the change gear cover loosen the lash adjuster Figure 61 on Page 45 and swing the change gear assembly out of the way 5 Remove the E clips and cap screw from the change gears 6 Lubricate the change gears refer to Page 55 for detailed instructions and swap them out in the order shown o
44. a wooden case Figure 73 G5639 5 Pc Indexable Tool Set T10255 Mini Lathe Tooling Kit This convenient Mini Lathe Tool Kit includes right left and straight turning tool holders with HSS tool bits boring bar with holder and s HSS tool bit cut off tool holder with 2 HSS blade and 38 shank mini cut off tool holder with HSS blade and shank knurling tool holder with pivoting head single horizontal vertical knurling tool holder and assorted hex wrenches Maximum shank size 1 1 2 Figure 74 T10255 Mini Lathe Tooling Kit H5930 4 Pc Center Drill Set 60 H5931 4 Pc Center Drill Set 82 Double ended HSS Center Drills are precision ground Includes sizes 1 4 H7616 Oil Can w Plastic Nozzle H7617 Oil Can w Flexible Plastic Nozzle These high pressure oil cans are perfect for lubri cating the ball oilers found on your machine Each can holds 5 ounces of oil Figure 75 High pressure oil cans for ball oilers T23962 ISO 68 Moly D Machine Oil 5 gal T23963 1SO 32 Moly D Machine Oil 5 gal Moly D oils are some of the best we ve found for maintaining the critical components of machinery because they tend to resist run off and maintain their lubricity under a variety of conditions as well as reduce chatter or slip Buy in bulk and save with 5 gallon quantities Figure 76 ISO 68 and ISO 32 machine oil order online at www grizziy com or call 1 800 323 4777 50 Mode
45. ake sure chuck and jaws if installed are secure see Chuck Installation on Page 27 Note f a chuck is not installed on the lathe you do not need to install one for this test 5 Set lathe spindle speed for 150 RPM refer to Setting Spindle Speed on Page 42 6 Disengage the half nut with the lever shown in Figure 19 Disengaged y Halfnut Lever Engaged Figure 19 Half nut lever in the disengaged position Reset the emergency STOP button by twist ing it clockwise until it pops out G0752 Only Ensure the spindle speed dial is turned all the way counterclockwise Push the green ON button then turn the spindle direction switch to FWD Turn the spindle speed dial until the spindle speed display shows 150 RPM The spindle should be rotating counterclockwise down and toward you as you face the lathe G0602 Push the green ON button then turn the spindle direction switch to FWD The spindle should be rotating counterclockwise down and toward you as you face the lathe Push the emergency STOP button to turn the lathe OFF then without resetting the STOP button try to restart spindle rotation The spindle should not start lf spindle rotation does start with the emergency STOP button pressed in the button is not operating correctly This safety feature must operate properly before continuing operation Use the spindle direction switch to stop the lathe disconnect it from power and ca
46. ator or bystanders with great force DO NOT extend a cutting tool more than 2 5 times the width of its cross section e g 2 5 0 5 1 25 2 Firmly secure the cutting tool with at least two tool post screws 3 Check and adjust the cutting tool to the spindle centerline as instructed in the next subsection 40 Aligning Cutting Tool with Spindle Centerline For most operations the cutting tool tip should be aligned with the spindle centerline as illustrated in Figure 51 Cutting Spindle Center Figure 51 Cutting tool aligned with spindle centerline viewed from tailstock There are a number of ways to check and align the cutting tool to the spindle centerline If nec essary you can raise the cutting tool by placing steel shims underneath it The shims should be as long and as wide as the cutting tool to properly support it Below are two common methods e Move the tailstock center over the cross slide and use a dial indicator to measure the dis tance from the surface of the cross slide to the tip of the center Adjust the cutting tool height so it is the same distance above the cross slide as the tailstock center e Align the tip of the cutting tool with a tailstock center as instructed in the following pro cedure For this to work the tailstock must be aligned to the spindle centerline refer to Aligning Tailstock To Spindle Centerline on Page 34 for detailed instructions Model G0602
47. aw steps or into the spindle opening 4 With help from another person or a holding device position the workpiece so it is cen tered in the chuck 30 5 Tighten each jaw in small increments After you have adjusted the first jaw continue tightening the remaining jaws in an opposing sequence as shown by the sequential order in Figure 30 Workpiece Center Point Figure 30 4 jaw tightening sequence 6 After the workpiece is held in place by the jaws use a dial indicator to make sure the workpiece is centered in the chuck the workpiece is not correctly centered make fine adjustments by slightly loosen ing one jaw and tightening the opposing jaw until the workpiece is correctly posi tioned see Figure 31 for an example Figure 31 Generic picture of non cylindrical workpiece correctly mounted on the 4 jaw chuck Model G0602 G0752 Mfg Since 11 12 Faceplate Refer to the Chuck Installation see Page 27 and Chuck Removal see Page 28 instructions to install or remove the faceplate The faceplate included with your lathe can be used for a wide range of operations including machining non concentric workpieces straight turning between centers off center turning and boring The tools needed for mounting a workpiece will vary depending on the type of setup you have AWARNING Machining non concentric workpieces at a high speed could cause the workpiece to be thrown from the spin
48. be used Additionally consider the weight of the operator and any dynamic loading that may occur when operating the machine Space Allocation Consider the largest size of workpiece that will be processed through this machine and provide enough space around the machine for adequate operator material handling or the installation of auxiliary equipment With permanent installations leave enough space around the machine to open or remove doors covers as required by the main tenance and service described in this manual See below for required space allocation A CAUTION Children or untrained people may be seriously injured by this machine Only install in an access restricted location Physical Environment The physical environment where the machine is operated is important for safe operation and lon gevity of machine components For best results operate this machine in a dry environment that is free from excessive moisture hazardous chemi cals airborne abrasives or extreme conditions Extreme conditions for this type of machinery are generally those where the ambient temperature range exceeds 417 104 the relative humidity range exceeds 20 95 non condensing or the environment is subject to vibration shocks or bumps Electrical Installation Place this machine near an existing power source Make sure all power cords are protected from traffic material handling moisture chemicals or other hazards Make sure
49. compound rest when you are fin ished Model G0602 G0752 Mfg Since 11 12 Gib Adjustment The goal of adjusting the cross slide and com pound slide gibs is to remove sloppiness or play from the ways without making them overly stiff and difficult to move In general loose gibs cause poor finishes and tool chatter however over tightened gibs cause premature wear and make the handwheels dif ficult to turn Tools Needed Qty Open End Wrench 8 1 Hex Wrench 2 5mm 1 To adjust the cross slide and compound slide gibs 1 DISCONNECT LATHE FROM POWER 2 Loosen the three hex nuts on the side of the slide see Figures 89 90 Cross Slide ws Adjustment Fasteners V P d gt IN aN N gt lt Figure 89 Cross slide gib adjustment hex nuts and set screws Model G0602 G0752 Mfg Since 11 12 T Compound Slide 2 Adjustment Fasteners nuts and set screws Make adjustments in small and equal incre ments to the three set screws then test the movement of the slide by rotating the handwheel Note Turning the set screws clockwise will tighten the gib and turning them counter clockwise will loosen the gib When you are satisfied with the gib adjust ment keep the set screws from moving and re tighten the hex nuts to secure the settings He check the movement of the slide and if necessary re
50. condi e Lifting Straps rated for at least 500 Ibs 2 tion of your shipment inventory the contents Forklift Power Lifting Device rated for at least BOO DS Pe een EE 1 e Mounting Hardware As Needed AWARNING SUFFOCATION HAZARD Keep children and pets away from plastic bags or packing materials shipped with this machine Discard immediately 16 o Model G0602 G0752 Mfg Since 11 12 V Dead Center 4 1 Inve nto ry W Change Gear Set 1 Change Gear 27 tooth Installed 1 Change Gear 36 tooth 1 The following is a list of items shipped with your Change Gear 40 t00th 1 machine Before beginning setup lay these items Change Gear 44 tooth 1 out and inventory them Change Gear 45 tooth 1 Change Gear 46 tooth 1 If any non proprietary parts are missing e g a Change Gear 48 tooth 1 nut or a washer we will gladly replace them or Change Gear 52 tooth 1 for the sake of expediency replacements can be Change Gear 56 tooth Installed 1 obtained at your local hardware store Change Gear 60 tooth 1 Plastic Drive Gear 60 tooth Installed 1 Installed Components Figure 10 Qty Change Gear
51. d meets the following requirements Nominal Voltage 110V 120V OVE 60 Hz dl o Single Phase Minimum Circuit Size G0602 20 Amps Minimum Circuit Size G0752 15 Amps A power supply circuit includes all electrical equipment between the main breaker box or fuse panel in your building and the incoming power connections inside the machine This circuit must be safely sized to handle the full load current that may be drawn from the machine for an extended period of time CAUTION For your own safety and protection of property consult an electrician if you are unsure about wiring practices or electrical codes in your area Note The circuit requirements listed in this man ual apply to a dedicated circuit where only one machine will be running at a time If this machine will be connected to a shared circuit where mul tiple machines will be running at the same time consult a qualified electrician to ensure that the circuit is properly sized for safe operation Model G0602 G0752 Mfg Since 11 12 Grounding amp Plug Requirements This machine MUST be grounded In the event of certain malfunctions or breakdowns grounding reduces the risk of electric shock by providing a path of least resistance for electric current This machine is equipped with a power cord that has an equipment grounding wire and a ground ing plug similar to the figure
52. dle with deadly force at the operator or bystanders To reduce this risk only machine non concentric workpieces at low speeds and clamp counter weights to the faceplate to balance it A WARNING Failure to properly secure workpiece to the faceplate could cause the workpiece to be thrown from the lathe with deadly force at the operator or bystanders Use a minimum of THREE independent clamping devices to hold the workpiece onto the faceplate Model G0602 G0752 Mfg Since 11 12 To mount a non concentric workpiece to the faceplate 1 DISCONNECT LATHE FROM POWER 2 Protect the bedway with a piece of plywood 3 With help from another person or a holding device to support the workpiece position it onto the faceplate and clamp it in place with a minimum of three independent clamping devices see Figure 32 for an example Be sure to take into account the rotational and cutting forces that will be applied to the workpiece when clamping it to the faceplate If necessary use counter weights to balance the assembly and use a dial indicator to make sure that the workpiece is properly positioned for your operation Non Cylindrical 3 Faceplate ESSEN E S Figure 32 Generic picture of workpiece clamped in a faceplate 31 Tailstock The tailstock see Figure 33 is typically used to support long workpieces by means of a live or dead center refer to Centers on Page 36 It can also be used
53. dscrew rack and bedways Bedways Oil Grizzly T23962 ISO 68 Equivalent Oil Amount As Needed Lubrication Frequency Daily Before lubricating the bedways see Figure 84 clean it with mineral spirits Apply a thin coat of oil along the length of the bedway Move the steady rest carriage and tailstock to access the entire length of the bedways 54 Compound Slide Oil Type Grizzly T23962 or ISO 68 Equivalent Oil Amount Thin Coat Lubrication Frequency Use the handwheel to move the compound slide all the way toward you see Figure 85 then wipe clean the bottom slide with a rag and mild solvent Apply the lubricant and move the compound slide back and forth to distribute the oil pr Tw Bu j N 0 NN N d Figure 85 Compound bottom slide Model G0602 G0752 Mfg Since 11 12 9 Change Gears Grease NLGI 2 Oil Amount Thin Coat Frequency Annually or When Changing The change gears shown in Figure 86 should always have a thin coat of heavy grease to minimize corrosion noise and wear Wipe away excess grease that could be thrown onto the V belts and reduce optimal power transmission from the motor Figure 86 Change gears To handle and car
54. e Phase 60 Hz Minimum Circuit Size 20A 15 Switch Cord Length Cord Gauge Forward amp Reverse Button Switches 5 ft 16 AWG Plug Included Yes NEMA 5 15 16 AWG Included Plug Type Main Motor TEFC Capacitor Start Induction TEFC Induction Horsepower Phase Single Phase 3 Phase 13 6A 12A Operation Information 8 o Model G0602 G0752 Mfg Since 11 12 2 sE 70 ae 70 Model Number ___ ____ GOG02 G0752 Headstock Information Number of Spindle Speeds 6 Cv Tailstock Information Threading Information Number ofLongtuainal Feeds O OO O Dimensions Construction Other Approximate Assembly amp Setup 4 Hour Time Model G0602 G0752 Mfg Since 11 12 9 SECTION 1 SAFETY For Your Own Safety Read Instruction Manual Before Operating This Machine The purpose of safety symbols is to attract your attention to possible hazardous conditions This manual uses a series of symbols and signal words intended to convey the level of impor tance of the safety messages The progression of symbols is described below Remember that safety messages by themselves do not eliminate danger and are not a substitute for proper accident prevention measures Always use common sense and good judgment AWARNING A CAUTION Indicates an imminently hazardous situation which if not avoided WILL result in death or seriou
55. e V belt instruc tions on Page 64 Secure the change gear cover Replacing Timing Belt DISCONNECT LATHE FROM POWER Open the change gear cover Loosen the four motor mount hex nuts see Figure 99 then remove the low or high range V belt refer to Replacing V Belt on Page 64 Note t may be more convenient to access the motor mount hex nuts if you first remove the rear splash guard Raise the motor up roll the old timing belt off the pulleys and replace it with a new one making sure that the belt teeth are seated in the pulley indents Re install the high or low range V Belt depending upon your setup refer to Replacing V Belt on Page 64 Tension the timing belt and V belt Refer to Tensioning Timing Belt on this page and the instructions for tensioning the applicable V belt on Pages 63 64 65 SECTION 8 WIRING These pages are current at the time of printing However in the spirit of improvement we may make chang es to the electrical systems of future machines Compare the manufacture date of your machine to the one stated in this manual and study this section carefully If there are differences between your machine and what is shown in this section call Technical Support at 570 546 9663 for assistance BEFORE making any changes to the wiring on your machine An updated wiring diagram may be available Note Please gather the serial number and manufacture date of your machine before calling This in
56. e can cause serious injury or death to the operator or bystanders AWARNING Use a minimum of three independent clamping devices when turning eccentric workpieces on the faceplate Failure to provide adequate clamping will cause workpiece to eject G0602 Configuration Examples The 2772 belt is used on pulleys B and C see Figure 55 with the tensioner for 50 300 and 560 RPM Figure 55 Positioning belt for low speed Model G0602 G0752 Mfg Since 11 12 The 33 belt is used on pulleys see 3 Open the change gear cover then loosen the Figure 56 without the tensioner for 720 1200 tensioner lock nut located on the other side of and 2400 RPM the gear cover plate and the headstock Tensioner d Not Used Locking Nut lt Y 4 i 720 1200 2400 aca Figure 56 Positioning belt for high speed OT CRIT orca NO O Bo juego Xi vedo ytueco y Follow along with the examples below for setting the Model G0602 spindle speed to gain a better Figure 58 Location of tensioner lock nut understanding of this task 4 Move the tensioner to install the 2772 belt To set the spindle speed to 150 RPM between pulleys B and C and in sheave 1 as shown in Figure 55 on Page 42 1 DISCONNECT LATHE FROM POWER 5 Re tension the belt refer to Tensioning 2 Refer to the RPM chart in Figure 57 t
57. e example in Figure 45 Note Only apply enough pressure to secure ly mount the workpiece between centers Avoid over tightening the center against the workpiece or it may become difficult to remove later Also over tightening will result in excessive friction and heat which may damage the workpiece or center _ t N Pe h Z gt Figure 45 Example photo of workpiece mounted between the centers 6 Secure the quill lock lever and tailstock lock nut 38 9 Steady Rest The steady rest supports long shafts and can be mounted anywhere along the length of the bedway Familiarize yourself with the steady rest compo nents shown in Figure 46 to better understand its operation Finger Adjustment B Knob 46 Steady rest components To install and use the steady rest 1 DISCONNECT LATHE FROM POWER 2 Thoroughly clean all mating surfaces then place the steady rest base on the bedways so the triangular notch fits over the bedway prism 3 Loosen the finger lock nuts shown in Figure 46 turn the finger adjustment knobs and adjust the fingers as required for the workpiece 4 Loosen the steady rest lock nut position the steady rest where required to properly sup port the workpiece then secure the lock nut 5 Turn the finger adjustment knobs so the fin gers are barely touching the workpiece then tighten the finger lock nuts 6 Lubricate the finger tips with an a
58. e for the change gears Make sure to clean and lubricate any gears you Install or change Be very careful during handling and storage the grease coating on the gears will easily pickup dirt or debris which can then spread to the other gears and increase the rate of wear Make sure the change gear cover remains installed whenever possible to keep the gears free of dust or debris from the outside environment Model G0602 G0752 Mfg Since 11 12 To lubricate the change gears 1 2 DISCONNECT LATHE FROM POWER Open the change gear cover and remove all the change gears shown in Figure 86 Clean the change gears thoroughly with min eral spirits to remove the old grease Use a small brush if necessary to clean between the teeth Clean the shafts and wipe away any grease splatters in the vicinity and on the inside of the change gear cover Using a clean brush apply a thin layer of grease on the gears Make sure to get grease between the gear teeth but do not fill the teeth valleys Install the change gears and mesh them together with 0 003 0 008 backlash Once the gears are meshed together apply a small dab of grease between them where they mesh together this grease will be distrib uted when the gears rotate and re coat any areas scraped off during installation Close the change gear cover before re con necting the lathe to power 55 Machine Storage To prevent the development of rust and corro
59. e gears Page 55 e Check level bedway Page 21 Cleaning Protecting Because of its importance we recommend that the cleaning routine be planned into the workflow schedule Typically the easiest way to clean swarf from the machine is to use a wet dry shop vacuum that is dedicated for this purpose The small chips left over after vacuuming can be wiped up with a slightly oiled rag Avoid using compressed air to blow off chips as this may drive them deeper into the moving surfaces or cause sharp chips to fly into your face or hands All unpainted and machined surfaces should be wiped down daily to keep them rust free and in top condition This includes any surface that is vulner able to rust if left unprotected especially parts that are exposed to water soluble cutting fluid Use a quality rust protectorate such as SLIPIT or Boeshield to prevent corrosion 51 Lubrication The lathe has numerous metal to metal sliding surfaces that require regular lubrication to main tain smooth movement and ensure long lasting operation Other than the lubrication points covered in this section all other bearings are internally lubricated and sealed at the factory Simply leave them alone unless they need to be replaced Before performing any lubrication task DISCONNECT LATHE FROM Important Before adding lubricant to ball oilers and grease fittings clean off entry points to pre vent contamination of lubrican
60. eading these TPIs use the numbered lines 1 or 7 on the thread dial See Figure 67 91 5 1114 137 Figure 67 9 1114 13 TPls 48 All Other For all other TPl s use numbered lines 1 or 7 or non numbered lines 4 or 10 on the thread dial see Figure 68 TPI All Other TPI Figure 68 All other TPIs Model G0602 G0752 Mfg Since 11 12 SECTION 5 ACCESSORIES AWARNING Installing unapproved accessories may cause machine to malfunction resulting in serious personal injury or machine damage To reduce this risk only install accessories recommended for this machine by Grizzly NOTICE Refer to our website or latest catalog for additional recommended accessories SBCE3450 How to Run a Lathe First printed in 1907 by South Bend Lathe this 56th edition is an exact reprint from 1966 Well illustrated with vintage photos and drawings this 128 page book is written specifically about the care and operation of a metal lathe This book is to aid the beginner or apprentice in the machine shop and the student in the school shop to secure a better understanding of the fundamental opera tions of modern lathe practice in use in modern industries in the United States SOUTH BEND LATHE E SOUTH BEND INDIANA 46623 SENSES TINO da Figure 69 SBCE3450 South Bend Lathe How to Run a Lathe book H2987 Bent Lathe Dog H2988 1 Bent Lathe Dog H2989 1 Be
61. formation can be found on the main machine label AWARNING Wiring Safety Instructions 66 SHOCK HAZARD Working on wiring that is con nected to a power source is extremely dangerous Touching electrified parts will result in personal injury including but not limited to severe burns electrocution or death Disconnect the power from the machine before servicing electrical com ponents MODIFICATIONS Modifying the wiring beyond what is shown in the diagram may lead to unpre dictable results including serious injury or fire This includes the installation of unapproved after market parts WIRE CONNECTIONS All connections must be tight to prevent wires from loosening during machine operation Double check all wires dis connected or connected during any wiring task to ensure tight connections CIRCUIT REQUIREMENTS You MUST follow the requirements at the beginning of this man ual when connecting your machine to a power source NOTICE The photos and diagrams included in this section are best viewed in color You can view these pages in color at www grizzly com BLUE BROWN GRAY ORANGE WIRE COMPONENT DAMAGE Damaged wires or components increase the risk of serious per sonal injury fire or machine damage If you notice that any wires or components are damaged while performing a wiring task replace those wires or components MOTOR WIRING The motor wiring shown in these diagrams is current at the
62. hat could cause severe impact injuries Large or non concentric workpieces must be turned at slow speeds Always use the appro priate feed and speed rates CHUCK KEY SAFETY A chuck key left in the chuck can become a deadly projectile when the spindle is started Always remove the chuck key after using it Develop a habit of not taking your hand off of a chuck key unless it is away from the machine SAFE CLEARANCES Workpieces that crash into other components on the lathe may throw dangerous projectiles in all directions leading to impact injury and damaged equipment Before starting the spindle make sure the workpiece has adequate clearance by hand rotating it through its entire range of motion Also check the tool and tool post clearance chuck clearance and saddle clearance LONG STOCK SAFETY Long stock can whip violently if not properly supported causing serious impact injury and damage to the lathe Reduce this risk by supporting any stock that extends from the chuck headstock more than three times its own diameter Always turn long stock at slow speeds CRASHES Aggressively driving the cutting tool or other lathe components into the chuck may cause an explosion of metal fragments which can result in severe impact injuries and major damage to the lathe Reduce this risk by releasing automatic feeds after use not leaving lathe unattended and checking clearances before starting the lathe Make sure no part of the tool too
63. he spindle shoulder Spindle Shoulder Inside N Taper Figure 21 Spindle nose Tools Needed Qty Chuck Wrenches 2 Hex Wrench 1 To install the chuck 1 DISCONNECT LATHE FROM POWER 2 Use appropriate device to protect the ways and support the chuck during the installation process refer to Installation amp Removal Devices on Page 26 3 Thoroughly clean inspect deburr and lightly oil all threads and mating surfaces 4 Thread the chuck onto the spindle nose and hand tighten it Model G0602 G0752 Mfg Since 11 12 5 Insert the chuck wrenches as shown in Figure 22 and tighten the chuck until it is seated snug against the spindle shoulder uu P Figure 22 Location to insert chuck keys when installing chuck 6 Install the chuck locks with the cap screws see Figure 23 Chuck Lock c Figure 23 Chuck lock installed on spindle nose and chuck Chuck Removal Changing Jaw Set Tools Needed Qty Tools Needed Qty Chuck Wrenohes 2 Chuck Wrenoch 1 Hex Wrench 5mm 1 The 3 jaw scroll chuck included with the lathe fea To remove the chuck tures inside and outside hardened steel jaw sets see Figure 26 which
64. hich is used to hold and guide a workpiece through an operation Gib A tapered wedge located along a sliding member to take up wear or to ensure a proper fit Headstock The major lathe component that houses the spindle and motor drive system to turn the workpiece Model G0602 G0752 Mfg Since 11 12 9 Lathe Center A lathe accessory with a 60 point which is inserted into the headstock or tailstock of the lathe and is used to support the workpiece Leadscrew Lathe The long screw that is driv en by the change gears and supplies power to the carriage Saddle The upper portion of carriage that rides on the lathe ways and supports the cross feed and the follow rest Spindle The revolving shaft that holds and drives the workpiece or cutting tool Tailstock A moveable fixture opposite of the headstock on a lathe that has a spindle used to support one end of a workpiece and for hold ing tools Tool Post The part of the compound rest that holds the tool holder Turret Lathe A machine fixture that holds mul tiple tools and can be revolved and indexed to position Ways The precision machined and flat tracks on a lathe on which the carriage and tailstock slide Ac SECTION 2 POWER SUPPLY Availability Before installing the machine consider the avail ability and proximity of the required power supply circuit If an existing circuit does not meet the requirements for this machine a new circuit
65. ifting equipment rated for at least 500 165 and in good working condition If the lathe falls or tips over while moving it serious personal injury and property damage could result 20 To balance the load for lifting move the tailstock and carriage to the extreme right end of the bedway then lock them in place Note Before attempting to move the car riage make sure the carriage lock is loose and the half nut is disengaged Wrap the lifting straps around the bed and between the leadscrew and the bedway as shown in Figure 14 to help prevent bending the leadscrew during lifting Figure 14 Example of lifting strap positions Attach the lifting straps to the power lifting equipment have an assistant steady the load then lift it just enough to clear any obstacles and move it to its mounting posi tion Properly mount the lathe as instructed in the Mounting subsection on Page 21 Model G0602 G0752 Mfg Since 11 12 Leveling amp Mounting NOTICE For accurate turning results and to prevent warping the cast iron bed and ways the lathe bedways MUST be leveled from side to side and from front to back on both ends Re check the bedways 24 hours after installation two weeks after that and then annually to make sure they remain level Leveling Leveling machinery helps precision components such as bedways remain straight and flat during the lifespan of the machine Components on a machine that
66. ine a taper at the tailstock end Conversely position the tailstock top casting toward the back of the lathe to machine a taper at the spindle end Note 7he marks on the offset indicator arbi trary For a precise offset use a dial indicator to check quill movement while adjusting the screws Tools Needed Qty Hex Wrench 4mm 1 Open End Wrench 19 1 Model G0602 G0752 Mfg Since 11 12 To offset the tailstock 1 Loosen the tailstock lock nut see Figure 36 Tailstock 4 Lock Nut Adjustment Set Screw 1 of 2 Offset Indicator 2 Rotate the adjustment set screws in opposite directions for the desired offset see the illus tration in Figure 37 Turn Turn CW CW Figure 37 Set screw adjustment in relation to tailstock movement 3 Retighten the tailstock lock nut to secure the offset 33 Aligning Tailstock to Spindle Centerline This is an essential adjustment that should be ver ified or performed each time the tailstock is used to turn concentric workpieces between centers or immediately after offsetting the tailstock when turning a taper If the tailstock is not aligned with the spindle centerline when it is Supposed to be turning results will be inaccurate along the length of the workpiece Items Needed Qty Hex Wrench 4mm 1 Open End Wrench 19mm
67. is not level may slowly twist due to the dynamic loads placed on the machine during operation For best results use a precision level that is at least 12 long and sensitive enough to show a distinct movement when a 0 003 shim approxi mately the thickness of one sheet of standard newspaper is placed under one end of the level See the figure below for an example of a high precision level Figure 15 Grizzly Model H2683 12 Master Machinist s Level Model G0602 G0752 Mfg Since 11 12 Mounting The chip pan and the base of the lathe have holes that allow the machine to be mounted to a workbench You MUST mount your machine to a workbench to prevent it from unexpectedly moving during operation which could lead to personal injury or property damage Follow these guidelines when mounting your lathe to ensure safe and accurate cutting results e Make sure that the workbench can adequate ly support the weight of the machine and materials and that it will not move or vibrate during operation Use a silicon sealant between the lathe and the chip pan to prevent coolant or other fluids from leaking through onto the bench or floor To mount the lathe and chip pan to the workbench drill holes all the way through the workbench and use hex bolts washers and hex nuts to secure the lathe to the workbench as illustrated in Figure 16 Hex Nut Lock Washer Flat Washer Chip Pan Workbench
68. is unbalanced Workpiece is hitting stationary object Loose or damaged V belt s V belt pulleys are not properly aligned Chuck or faceplate is unbalanced or not installed properly Change gears not aligned or no backlash Worn or broken gear present Broken gear or bad bearing Spindle bearings at fault Wrong spindle speed or feed rate Dull tooling or poor tool selection Tool height not at spindle centerline Too much play in gibs Quill is not retracted all the way back into the tailstock Contaminants not removed from taper before inserting into quill Gibs are out of adjustment Handwheel is loose or backlash is high Dovetail ways loaded with shavings dust or grime Gib screws are too tight Backlash setting too tight Bedways are dry Tool holder not tight enough Cutting tool sticks too far out of tool holder lack of support Gibs are out of adjustment Dull cutting tool Incorrect spindle speed or feed rate 9 Re install workpiece as centered with the spindle bore as possible Stop lathe immediately and correct interference problem Re tension replace the V belt s as necessary see Page 64 Align the V belt pulleys Check installation re balance chuck or faceplate contact a local machine shop for help Adjust change gears and establish backlash Inspect gears and replace if necessary Replace broken gear or bea
69. ite lithium grease to the surfaces of the removed jaw set Store in a safe place free from moisture and abra Sives 6 Rotate the chuck key clockwise until you see the tip of the scroll gear lead thread just begin to enter a jaw guide see Figure 28 Insert jaw 1 into the jaw guide and hold the jaw against the scroll gear 8 Rotate the chuck key clockwise one turn to engage the tip of the scroll gear lead thread into the jaw Pull the jaw it should be locked into the jaw guide 9 Install the remaining jaws in numerical order In the same manner installed correctly the jaws will converge evenly at the center of the chuck f the jaws do not converge evenly remove them Re install the jaws sequentially 1 3 and make sure each one engages with the scroll gear lead thread during its first rota tion Model G0602 G0752 Mfg Since 11 12 Scroll Chuck Clamping The 3 jaw scroll type chuck has an internal scroll gear that moves all jaws in unison when adjusted with the chuck key The chuck will hold cylindrical parts on center with the axis of spindle rotation and can be rotated at high speeds if the workpiece is properly clamped and balanced Never mix jaw types or positions to accommodate an odd shaped workpiece The chuck will spin out of balance and may throw the workpiece Instead use an independent jaw chuck or a faceplate Insufficient Jaw Clamping Workpiece Safer Inside Jaw Use
70. l G0602 G0752 Mfg Since 11 12 SECTION 6 MAINTENANCE AWARNING Always disconnect power to the machine before performing maintenance Failure to do this may result in serious person al injury Schedule Ongoing To help reduce the risk of injury and ensure proper machine operation if you ever observe any of the items below shut down the machine immediately and fix the problem before continuing operations Loose mounting bolts or fasteners Worn frayed cracked or damaged wires Guards or covers removed Emergency STOP button not working cor rectly or not requiring you to reset it before starting the machine again e Damaged or malfunctioning components Daily Before Operations e Check add gearbox oil Page 52 e Adda oil to the ball oilers Page 53 e Clean lubricate the leadscrew and carriage rack Page 54 e Lubricate the bedways Page 54 e Compound slide Page 54 e Disengage the half nut on the carriage to prevent crashes upon startup e Ensure carriage lock bolt is loose Model G0602 G0752 Mfg Since 11 12 Daily After Operations e Turn the spindle direction switch to STOP and press the Emergency STOP button to prevent accidental startup e Vacuum clean all chips and swarf from bed and slides e Wipe down all unpainted or machined sur faces with an oiled rag e Adda oil to the ball oilers Page 53 Annually e Change the gearbox oil Page 52 e Lubricate the chang
71. l holder com pound rest cross slide or carriage will contact the chuck during operation AD 9 SECURING WORKPIECE An improperly secured workpiece can fly off the lathe spindle with deadly force which can result in a severe impact injury Make sure the workpiece is properly secured in the chuck or faceplate before starting the lathe CHUCKS Chucks are very heavy and difficult to grasp which can lead to crushed fingers or hands if mishandled Get assistance when handling chucks to reduce this risk Protect your hands and the precision ground ways by using a chuck cradle or piece of plywood over the ways of the lathe when servicing chucks Use lifting devices when necessary CLEARING CHIPS Metal chips can easily cut bare skin even through a piece of cloth Avoid clearing chips by hand or with a rag Use a brush or vacuum to clear metal chips STOPPING SPINDLE BY HAND Stopping the spindle by putting your hand on the workpiece or chuck creates an extreme risk of entangle ment impact crushing friction or cutting hazards Never attempt to slow or stop the lathe spindle with your hand Allow the spindle to come to a stop on its own or use the brake TOOL SELECTION Cutting with an incorrect or dull tool increases the risk of accidental injury due to the extra force required for the operation which increases the risk of breaking or dislodging com ponents that can cause small shards of metal to become dangerous projecti
72. l leadscrew is secured to the feed rate gearing in the headstock with the use of a soft metal shear pin see Figure 92 The shear pin is designed to break and disengage power to the leadscrew to help protect more expensive lathe components if you crash your carriage or take too large of a cut and overload the lathe Contact Grizzly Customer Service at 570 546 9663 to order a replacement shear pin Part P0602815 f 2i 48 SY ETAT SI o To replace the shear pin 1 DISCONNECT LATHE FROM POWER 2 Rotate the leadscrew so the shear pin faces up and down If the connecting collar rotates independently from the leadscrew then rotate the collar so the shear pin holes align with those in the leadscrew 3 Use the punch and hammer to drive out the pieces of the old shear pin 4 Make sure the holes in the collar and leadscrew are aligned then tap the new shear pin completely through the holes in the collar and leadscrew Model G0602 G0752 Mfg Since 11 12 V Belt Tension amp Replacement V Belts stretch and wear with use so check the tension on a monthly basis to ensure optimal power transmission Replace the V belts if they become cracked frayed or glazed On the Model G0602 the low range V belt ten sion is controlled by a tensioner between the secondary drive pulley B and spindle C pulley The high range V belt between the spindle C and motor A pulleys is tensioned
73. les Always select the right cutter for the job and make sure it is sharp A correct sharp tool decreases strain and provides a better finish Model G0602 G0752 Mfg Since 11 12 Glossary of Terms The following is a list of common definitions terms and phrases used throughout this manual as they relate to this lathe and metalworking in general Become familiar with these terms for assembling adjusting or operating this machine Your safety is VERY important to us at Grizzly Arbor A machine shaft that supports a cutting tool Backlash Wear in a screw or gear mechanism that may result in slippage vibration and loss of tolerance Carriage A main housing that consists of the apron and the saddle Cross Slide A fixture attached to the lathe car riage that holds the compound rest and can be moved in and out Compound Rest A fixture attached to the cross slide that holds the tool holder and can be moved in and out Cutting Speed The distance a point on a cutter moves in one minute expressed in meters or feet per minute Dial Indicator An instrument used in setup and inspection work that shows on a dial the amount of error in size or alignment of a part Facing In lathe work cutting across the end of a workpiece usually to machine a flat surface Feed The movement of a cutting tool into a workpiece Fixture A device that securely holds the workpiece in place during cutting operation as opposed to a jig w
74. lever engaged Carriage lock is tightened down Chips have loaded up on bedways Bedways are dry and in need of lubrication Gibs are too tight Gears or shear pin broken Gears not aligned inside headstock quick change gearbox 9 1 1 Re align the tailstock to the headstock spindle centerline see Page 34 Remove jaws clean and lubricate scroll plate and jaws then replace jaws Adjust gear dials Disengage half nut lever for manual feeding Check to make sure the carriage lock bolt is fully released Frequently clean away chips that load up during turning operations and re lubricate Lubricate bedways ball oilers Loosen gibs screw s slightly see Page 61 Replace gears or shear pin see Page 62 Rotate spindle by hand with light pressure on the dial until gear falls into place 59 Backlash Adjustment Backlash is the amount of free play felt while changing rotation directions with the handwheel This can be adjusted on the compound rest and cross slide leadscrews Before beginning any adjustment make sure all associated compo nents are cleaned and lubricated and the locks are loose NOTICE Reducing backlash to less than 0 002 is impractical and can lead to accelerated wear to the leadscrew and other components Avoid the temptation to overtighten the backlash nut or screw while adjusting Compound Rest Tools Needed Qty Hex Wrench SiN UR Rer PRU GN
75. ll Tech Support for help Congratulations The test run is complete Turn the lathe OFF and perform the following Spindle Break In procedure Model G0602 G0752 Mfg Since 11 12 o 23 Spindle Break In Before subjecting the lathe to full loads it is essen tial to complete the spindle break in process This will ensure the best results and maximum life of the precision components inside the lathe The break in procedure must be performed in succession with the Test Run procedure because many of the test run steps prepare the lathe con trols for the break in process Important Do not perform the break in procedure independently from the Test Run section seri ous damage could occur to the lathe if the controls are set differently than instructed in that section To perform the spindle break in 1 Operate the lathe at 150 RPM for 10 minutes 2 QG0602 Repeat Step 1 at each of the following speeds 300 560 720 1200 and 2400 0752 Repeat Step 1 at each of the following approximate speeds 800 1300 and 2000 3 When the spindle has come to a complete stop run the spindle in reverse at 2400 RPM Model G0602 or 2000 RPM Model 90752 for another 10 minutes then press the emergency STOP button and DISCONNECT THE LATHE FROM POWER 4 Check and if necessary re tension the drive belts refer to V Belt Tension amp Replacement Page 64 on page for detailed instructions 5 While the oil is still warm and any
76. lt 65 INTRODUCTION Machine Description The metal lathe is used to remove material from a rotating workpiece which is held in place on the spindle with a chuck or faceplate The cutting tool is mounted on the carriage or tailstock and moved against the spinning workpiece to perform the cut Typical metal lathe cutting operations include fac ing turning parting drilling reaming grooving knurling and threading There are a wide variety of tools and workpiece holding devices available for each of these operations Models G0602 and G0752 both require setting gearbox dial positions and positioning V belts to select the spindle speed However the Model 0752 features an electronic variable speed con trol and digital RPM display that make it possible to select speeds within the selected range while the machine is running Contact Info We stand behind our machines If you have any questions or need help use the information below to contact us Before contacting please get the serial number and manufacture date of your machine This will help us help you faster Grizzly Technical Support 1203 Lycoming Mall Circle Muncy PA 17756 Phone 570 546 9663 Email techsupport grizzly com We want your feedback on this manual What did you like about it Where could it be improved Please take a few minutes to give us feedback Grizzly Documentation Manager P O Box 2069 Bellingham WA
77. metal par ticles are still suspended in the oil change the gearbox oil refer to Lubrication on Page 52 for detailed instructions Congratulations The spindle break in is com plete Continue with the following Recommended Adjustments subsection 24 9 Recommended Adjustments For your convenience the adjustments listed below have been performed at the factory However because of the many variables involved with shipping we recommend that you at least verify the following adjustments to ensure the best possible results from your new machine Step by step instructions for these adjustments can be found on the pages referenced below Factory adjustments that should be verified e Tailstock alignment Page 33 e Gib adjustments Page 61 e Backlash adjustment Page 60 Model G0602 G0752 Mfg Since 11 12 SECTION 4 OPERATIONS Operation Overview The purpose of this overview is to provide the nov ice machine operator with a basic understanding of how the machine is used during operation so the machine controls components discussed later in this manual are easier to understand Due to the generic nature of this overview it is not intended to be an instructional guide To learn more about specific operations read this entire manual and seek additional training from expe rienced machine operators and do additional research outside of this manual by reading how to books trade magazines or websites
78. mp Plug Requirements 15 Removing Center from Tailstock 37 Extension 5 aaa aaa 15 Mounting Workpiece Between Centers 38 nanne 38 SECTION 3 SETUP eren 16 Follow ii 39 Unpacking 16 Carriage amp Slide Locks 39 Needed for 5 16 Compound 39 Inventory 17 Four Way Tool 1 40 Cleanup d c cC 18 stalling e 40 Site Considerations 19 Aligning Cutting Tool with Spindle Centerline 40 Lifting amp Placing eene 20 Manual Feed eee 41 Leveling amp Mounting 21 Spindle 42 Leveling 21 Determining Spindle Speed 42 EE E 21 Setting Spindle 42 Assembly 22 G0602 Configuration Examples 42 Lubricating Lathe 22 G0752 Configuration 43 Power Power Feed ie 44 Connecting PON 22 Setting
79. must be installed To minimize the risk of electrocution fire or equipment damage installation work and electrical wiring must be done by an electrican or qualified service personnel in accordance with all applicable codes and standards AWARNING Electrocution fire equipment damage may occur if machine is not correctly grounded and connected to the power supply Full Load Current Rating The full load current rating is the amperage a machine draws at 100 of the rated output power On machines with multiple motors this is the amperage drawn by the largest motor or sum of all motors and electrical devices that might operate at one time during normal operations G0602 Full Load Rating 13 6A G0752 Full Load Rating 12A The full load current is not the maximum amount of amps that the machine will draw If the machine is overloaded it will draw additional amps beyond the full load rating If the machine is overloaded for a sufficient length of time damage overheating or fire may result especially if connected to an undersized circuit To reduce the risk of these hazards avoid over loading the machine during operation and make sure it is connected to a power supply circuit that meets the requirements in the following section 14 Circuit Requirements This machine is prewired to operate on a 110V power supply circuit that has a verified ground an
80. n Page 63 to ten sion the belt Tensioner Model G0602 G0752 Mfg Since 11 12 Timing Tension amp Replacement On the Model 0602 the timing belt transfers power from the motor to the secondary drive pul ley see Figure 99 If the timing belt becomes excessively worn or damaged you will need to replace it Figure 99 Timing belt and motor mount hex nuts 1 Tools Needed Qty Hex Wrench 5mm 1 2 Open End Wrench 14mm 1 3 Tensioning Timing Belt 1 DISCONNECT LATHE FROM POWER 2 Open the change gear cover 3 Loosen the motor mount hex nuts see Figure 99 Note t may be more convenient to access 4 the motor mount hex nuts if you first remove the rear splash guard 4 Lower the motor and re tighten the mounting hex nuts 5 5 Check the timing belt tension It is correctly tensioned when there is approximately deflection when it is pushed with moderate 6 pressure as shown in Figure 100 Model G0602 G0752 Mfg Since 11 12 9 6 Deflection Figure 100 Correct timing belt deflection there is more than deflection when the belt is pushed with moderate pressure loosen the motor mount nuts lower the motor adjust belt tension as required then tighten the nuts the high range V belt is installed check the V belt tension Refer to To tension the Model G0602 high rang
81. n the chart in Figure 62 then secure the change gears with the E clips and cap screw Note A change gears are stamped with the number of teeth they have 7 Move the lash adjuster so the gear backlash is between 0 003 to 0 008 tighten the lash adjuster cap screw and close the cover 8 Loosen the carriage lock see Figure 60 on Page 45 The lathe is now set up to cut 64 TPI threads NOTICE When threading keep your hand on the half nut lever ready to disengage the half nut to avoid potential carriage chuck crash TT JW ST Mo B01 802 863 aci C2 Ac3 2 19 ino Sla ble CTA TE 250 60 MED uga E E 10 361 19 Figure 62 Threading setup for 64 TPI 46 Model G0602 G0752 Mfg Since 11 12 To set the lathe to cut 0 45 TPmm threads The steps for setting up the lathe for threading metric threads are the same as those for inch threads Follow the instructions on Page 46 for setting the thread pitch to 64 TPI and refer to the chart below LEVY 1900 1200 2400 8 Metric Thread Chart E I jm 0 45 TPmm Figure 63 Metric threading setup Apron Threading Controls The half nut lever engages the carriage with the leadscrew which moves the carriage and cutting tool along the length of the workpiece for thread ing and power feed operations see Figure 64 The numbers on the thread dial are used with the thread dial chart
82. ned when there is approximately 4 deflection when it is pushed with moderate pressure as shown in Figure 95 on Page 63 If there is more than deflection when the V belt is pushed with moderate pres sure loosen the motor mount nuts lower the motor as needed then tighten the nuts 3 Check the timing belt tension refer to Step 5 of Tensioning Timing Belt on Page 65 4 Secure the change gear cover Replacing V Belt 1 DISCONNECT LATHE FROM POWER 2 Open the change gear cover 3 Model G0602 the high range belt Figure 96 needs to be replaced loosen the motor mount hex nuts see Figure 99 on Page 65 raise the motor and carefully roll the belt off of pulleys A and C Install a new V belt then follow the steps in To tension the Model 20602 high range V belt above uw sok High Hange Belt i Figure 96 Model 20602 high range belt 64 the low range belt between pulleys B and C see Figure 97 needs to be replaced loosen the tensioner lock nut see Figure 93 on Page 63 move the tensioner down roll the belt off the pulleys then re install the new V belt Follow Steps 4 5 on Page 63 to tension the belt c L 9 _____ E Figure 97 Model G0602 low range belt Model G0752 Loosen the tensioner lock bolt then pivot the tensioner to the left and secure it temporarily Hemove the V belt see Figure 98 and re install the new one Follow Steps 4 5 o
83. ng between cen ters Dead Center Figure 43 Example photo of using a dead center with a faceplate and lathe dog Model G0602 G0752 Mfg Since 11 12 Removing Center from Spindle To remove the center from the spindle insert a piece of round bar stock or similar tool through the outboard end on the left side of the headstock Have another person hold onto the center with a gloved hand or shop rag then tap the center loose Mounting Center in Tailstock The included dead center or a live center can be used in the tailstock Mounting instructions are the same for both Figure 44 shows an example photo of a dead center mounted in tailstock Figure 44 Example photo of using a dead center installed in the tailstock NOTICE To avoid premature wear of the dead center or damage to the workpiece use low spindle speeds and keep the tip of the dead center mounted in the tailstock well lubricated To mount a center in the tailstock 1 DISCONNECT LATHE FROM POWER 2 Thoroughly clean and dry the tapered mating surfaces of the tailstock quill bore and the center making sure that no lint or oil remains on the tapers Model G0602 G0752 Mfg Since 11 12 3 Use the quill handwheel to feed the quill out of the casting approximately 1 see Figure 1 Note The maximum quill travel is 2 but we do not recommend extending the quill more than 2 or stability and accuracy will be reduced
84. nnection wired wrong Correct motor wiring connections Page 67 Motor spindle direction switch at fault Replace switch Inverter control box at fault G0752 only Inspect inverter controller box replace if faulty 10 Motor at fault 10 Test repair replace Loud repetitious 1 Pulley set screws or keys are missing or 1 Inspect keys and set screws Replace or tighten if noise coming from loose necessary lathe at or near the 2 Motor fan is hitting the cover 2 Tighten fan shim cover or replace items motor Motor overheats 1 Motor overloaded 1 Allow motor to cool reduce load on motor Motor is loud when 1 Excessive depth of cut or feed rate 1 Decrease depth of cut or feed rate cutting or bogs 2 Spindle speed or feed rate wrong for 2 Refer to the feeds and speed charts in Machinery s down under load cutting operation Handbook or a speeds and feeds calculator on the internet 3 Cutting tool is dull 3 Sharpen or replace the cutting tool Model G0602 G0752 Mfg Since 11 12 57 Operation Possible Cause Possible Solution Entire machine vibrates upon startup and while running Bad surface finish Tapered tool difficult to remove from tailstock quill Cross slide compound rest or carriage feed has sloppy operation Cross slide compound or carriage feed handwheel hard to move Cutting tool or machine components vibrate excessively during cutting 58 Workpiece
85. nt Lathe Dog H2990 2 Bent Lathe Dog H2991 3 Bent Lathe Dog Model G0602 G0752 Mfg Since 11 12 H6204 High Precision Drill Chuck 5 8 x JT3 Unlike most keyed drill chucks this one is made to very tight tolerances on CNC equipment and is one of the finest drill chucks on the market today It has very high gripping strength and is suitable for heavy duty high speed drilling Each chuck includes a high visibility chuck key Specifications 1 32 78 X JT 3 Figure 70 H6204 Drill Chuck G1677 Drill Chuck Arbor MT3 JT3 This Drill Chuck Arbor is used to adapt drill chucks to your drill press milling machine or lathe Long end MT 83 Short end J T 3 Figure 71 G1677 Drill Chuck Arbor G9849 Magnetic Base Dial Indicator Combo Precision measurements and set ups have never been so easy Magnetic base engages with just the turn of a switch and allows pinpoint adjust ment The dial indicator features 0 1 travel and has a resolution of 0 001 Set includes a molded case for protection and convenience Figure 72 G9849 Magnetic Base Dial Indicator 49 5640 5 12 Indexable Carbide Tool Set G6706 Replacement TiN Carbide Inserts Five piece turning tool set features indexable car bide inserts with spline type hold down screw that allow indexing without removing the screw Each set includes AR AL BR BL and E style tools with carbide inserts hex wrench extra hold down screws and
86. nti seize lubricant during operation Note Mill or file the tips if they show wear Model G0602 G0752 Mfg Since 11 12 Follow Rest The follow rest mounts to the saddle with two cap screws see Figure 47 It is used on long slender parts to prevent workpiece deflection from cutting tool pressure during operation Adjust the follow rest fingers in the same manner as the those on the steady rest Note reduce the effects of friction lubricate the finger tips with generous anti sieze lubricant during operation m P gt 2 E _ Screws 4 US b lt Figure 47 Follow rest attachment Carriage amp Slide Locks The carriage and cross slide have locks that can be tightened to provide additional rigidity during operation especially during heavy cuts See Figure 48 to identify the locations of the locks for each device apti P Figure 48 Carriage and cross slide locks Model G0602 G0752 Mfg Since 11 12 Compound Rest The compound rest handwheel has an indirect read graduated scale This means the distance shown on the scale represents the actual distance the tool moves The base of the compound rest has another graduated scale used for setting the cutting tool to a specific angle Graduated Dial Increments 0 001 0 025mm One Full Revolution 0 04 1 02mm Tool Needed Qty Open End Wrench 14 1
87. o deter V Belt on Page 63 then close the change mine the pulley combination you need to gear cover and secure it The lathe is now set achieve a spindle speed of 150 RPM it is for a spindle speed of 150 RPM BC1 20752 Configuration Example RPM Chat The V belt is positioned on the spindle and motor f pulleys with the tensioner see Figure 59 to select k between low 100 800 RPM medium 160 1300 RPM and high 250 2000 RPM speed ranges RPM gt 150 1300 1560 720 20012400 Pulley gt 803 Aci Ace Combination Figure 57 G0602 RPM chart Figure 59 Positioning belt for low speed Model G0602 G0752 Mfg Since 11 12 o 43 Follow along with this example for setting the spindle speed for the Model 30752 to gain a bet ter understanding of this task To set the spindle speed to 150 RPM 1 DISCONNECT LATHE FROM POWER 2 Open the change gear cover use an 8mm hex wrench to loosen the tensioner bolt then move the tensioner out of the way 3 Move the V belt to the outer pulley sheaves to select the low speed range 100 800 RPM as shown in Figure 59 4 Re tension the belt refer to Tensioning V Belt on Page 63 and secure the tension er 5 Turnthe spindle direction switch to FWD and press the ON button 6 Adjust the spindle speed dial until the spindle speed display reads 150 RPM 44 9 Power Feed The carriage has power feed
88. peat Steps 2 4 61 Half Nut Adjustment The clamping pressure of the half nut is fully adjustable with a gib that can be loosened or tightened by two set screws Use this procedure to adjust the half nut if it becomes loose from wear or it is too tight for your preferences A half nut that is too loose will make it difficult to produce accurate work one that is too tight will increase the rate of wear on itself and the leadscrew Tools Needed Qty Open End Wrench 8 1 Hex Wrench 5mm 1 Hex Wrench 2 5mm 1 To adjust the half nut 1 DISCONNECT LATHE FROM POWER 2 Disengage the half nut then remove the thread dial 3 Loosen the two adjustment hex nuts shown in Figure 91 then adjust the set screws in small even increments so one end of the gib does not become tighter than the other Adjustment Fasteners A 4 Engage disengage the half nut several times and notice how it feels The adjustment is correct when the half nut has a slight drag while opening and closing The movement should not be too stiff or too sloppy 5 Repeat Steps 3 4 if necessary until you satisfied with the half nut pressure 6 While keeping the set screws from moving re tighten the hex nuts then re install the thread dial 62 9 Leadscrew Shear Pin Replacement The longitudina
89. ra tion 7 If using power feed selects the proper feed rate for the operation 8 Starts spindle rotation then engages the half nut 9 Uses various carriage controls to move the tooling into the workpiece for operations 10 When finished cutting disengages the half nut power feed only moves the spindle direction switch to the OFF position waits for the spindle to completely stop then removes the workpiece 25 Chuck amp Faceplate Mounting This lathe is equipped with a threaded spindle nose With this type of spindle a chuck or face plate is screwed directly onto the spindle nose AWARNING Never use spindle speeds faster than the chuck RPM rating or the safe limits of your workpiece Excessive spindle speeds greatly increase the risk of the workpiece or chuck being thrown from the machine with deadly force AWARNING Loose hair clothing or jewelry could get caught in machinery and cause serious personal injury Keep these items away from moving parts at all times to reduce this risk This lathe ships with the 3 jaw chuck installed This is scroll type chuck where all three jaws move in unison when the chuck key is used The included 4 jaw chuck features independent jaws which are used for square or unevenly shaped stock and to mount work that needs to be adjusted to near zero total indicated runout If neither chuck can hold your workpiece the cast iron faceplate has slots for T bolt
90. rical installation or repair work and always disconnect power before accessing or exposing electrical equipment DISCONNECT POWER FIRST Always discon nect machine from power supply BEFORE making adjustments changing tooling or servicing machine This prevents an injury risk from unintended startup or contact with live electrical components EYE PROTECTION Always wear ANSI approved safety glasses or a face shield when operating or observing machinery to reduce the risk of eye injury or blindness from flying particles Everyday eyeglasses are NOT approved safety glasses Model G0602 G0752 Mfg Since 11 12 AWARNING WEARING PROPER APPAREL Do not wear clothing apparel or jewelry that can become entangled in moving parts Always tie back or cover long hair Wear non slip footwear to avoid accidental slips which could cause loss of work piece control HAZARDOUS DUST Dust created while using machinery may cause cancer birth defects or long term respiratory damage Be aware of dust hazards associated with each workpiece material and always wear a NIOSH approved respirator to reduce your risk HEARING PROTECTION Always wear ing protection when operating or observing loud machinery Extended exposure to this noise without hearing protection can cause permanent hearing loss REMOVE ADJUSTING TOOLS Tools left on machinery can become dangerous projectiles upon startup Never leave chuck keys wrenches or any
91. ring Reset spindle bearing preload or replace worn spindle bearings Adjust for appropriate spindle speed and feed rate Sharpen tooling or select a better tool for the intended operation Adjust tool height to spindle centerline see Page 40 Tighten gibs see Page 61 Turn the quill handwheel until it forces the tapered tool out of quill Clean the taper and bore then re install tool Adjust gibs see Page 61 Tighten handwheel fasteners adjust handwheel backlash to a minimum see Page 60 Clean ways and re lubricate Loosen gib screw s slightly see Page 61 Slightly loosen backlash setting see Page 60 Lubricate bedways ball oilers Check for debris clean and re tighten Re install cutting tool so no more than of the total length is sticking out of tool holder Adjust gibs at affected component see Page 61 Replace or resharpen cutting tool Use the recommended spindle speed and feed rate Model G0602 G0752 Mfg Since 11 12 Possible Cause Possible Solution Workpiece is 1 tapered Chuck jaws will not move or do not move easily Carriage will not feed or is hard to move Quick change gear change dials will not shift into position Model G0602 G0752 Mfg Since 11 12 Headstock and tailstock are not properly aligned with each other Chips lodged the jaws or scroll plate Quick change gears are not all engaged Half nut
92. ry basis It will be used for marketing purposes to help us develop better products and services Of course all information is strictly confidential 1 How did you learn about us Advertisement Friend Catalog Card Deck Website Other 2 Which of the following magazines do you subscribe to Cabinetmaker amp FDM Popular Science Wooden Boat Family Handyman Popular Woodworking Woodshop News Hand Loader Precision Shooter Woodsmith Handy Projects in Metal Woodwork Home Shop Machinist RC Modeler Woodworker West Journal of Light Cont Rifle Woodworker s Journal Live Steam Shop Notes Other Model Airplane News Shotgun News Old House Journal Today s Homeowner Popular Mechanics Wood 3 What is your annual household income 20 000 29 000 30 000 39 000 40 000 49 000 50 000 59 000 60 000 69 000 70 000 4 What 15 your age group 20 29 30 39 40 49 50 59 60 69 70 5 How long have you been a woodworker metalworker 0 2 Years 2 8 Years 8 20 Years 20 Years 6 How many of your machines or tools are Grizzly 0 2 3 5 6 9 10 7 Do you think your machine represents a good value Yes No 8 Would you recommend Grizzly Industrial to a friend Yes No 9 Would you allow us to use your name as a reference for Grizzly customers in your area Note We never use names more than 3 times Yes No 10 Comments FOLD ALONG DOTTED LINE Industrial Inc GRIZZLY INDUSTRIAL INC P O BOX 2069 BELLINGHAM WA 98227 20
93. s er is effective the rust preventative will wipe off easily If you have a plastic paint scraper scrape off as much as you can first then wipe off the rest with the rag 4 Repeat Steps 2 3 as necessary until clean then coat all unpainted surfaces with a quality metal protectant to prevent rust 18 9 A WARNING Gasoline products with low flash points can explode or cause fire if used to clean machin ery Avoid cleaning with these products A CAUTION Many cleaning solvents are toxic if concentrat ed amounts are inhaled Only work in a well venti lated area NOTICE Avoid chlorine based solvents such as acetone or brake parts cleaner that may damage painted surfaces Test all cleaners in an inconspicuous area before using to make sure they will not damage paint T23692 Orange Power Degreaser A great product for removing the waxy shipping grease from your machine during clean up Call 1 800 S2B 41777 TO orange bower plus heavy duty degrease 49692 wu ones Griz Figure 12 23692 Orange Power Degreaser Model G0602 G0752 Mfg Since 11 12 Site Considerations Weight Load Refer to the Machine Data Sheet for the weight of your machine Make sure that the surface upon which the machine is placed will bear the weight of the machine additional equipment that may be installed on the machine and the heaviest work piece that will
94. s a digi tal readout of the spindle speed F Spindle Speed Dial Controls the variable spindle speed Figure 5 Gearbox dials Numeric Gearbox Dial Controls the leadscrew for threading and feeding opera tions To make a selection rotate the dial to the corresponding number displayed on the threading or feed charts H Alpha Gearbox Dial Controls the leadscrew for threading and feeding operations To make a selection rotate the dial to the cor responding letter displayed on the threading or feed charts Model G0602 G0752 Mfg Since 11 12 Carriage Figure 6 Carriage controls 4 Way Tool Post Holds up to four cutting tools at once that can be individually indexed to the workpiece Compound Rest Handwheel Moves the tool toward and away from the workpiece at the preset angle of the compound rest Carriage Lock Secures the carriage for greater rigidity when it should not move Thread Dial Indicates when to engage the half nut during threading operations Half Nut Lever Engages disengages half nut for power feed and threading operations Thread Chart Indicates which thread dial mark to use when engaging the half nut for specific inch thread pitches Cross Slide Handwheel Moves the cross slide toward and away from the workpiece Carriage Handwheel Moves the carriage along the bedway Tailstock Quill Moves a tool or center mounted in the tailstock toward or away from the workpiece Tail
95. s injury Indicates a potentially hazardous situation which if not avoided COULD result in death or serious injury Indicates a potentially hazardous situation which if not avoided MAY result in minor or moderate injury It may also be used to alert against unsafe practices NOTICE This symbol is used to alert the user to useful information about proper operation of the machine Safety Instructions for Machinery AWARNING OWNER S MANUAL Read and understand this owner s manual BEFORE using machine TRAINED OPERATORS ONLY Untrained oper ators have a higher risk of being hurt or killed Only allow trained supervised people to use this machine When machine is not being used dis connect power remove switch keys or lock out machine to prevent unauthorized use especially around children Make workshop kid proof DANGEROUS ENVIRONMENTS Do not use machinery in areas that are wet cluttered or have poor lighting Operating machinery in these areas greatly increases the risk of accidents and injury MENTAL ALERTNESS REQUIRED Full mental alertness is required for safe operation of machin ery Never operate under the influence of drugs or alcohol when tired or when distracted 10 9 ELECTRICAL INJURY RISKS You can be shocked burned or killed by touching live electrical components or improperly grounded machinery To reduce this risk only allow qualified service personnel to do elect
96. s that hold standard or custom clamping hardware With the correct clamping hardware a faceplate offers a wide range of uses including machining non concentric workpieces straight turning between centers off center turning and boring 26 Installation amp Removal Devices Because chucks are heavy and often awkward to hold some kind of support or protective device should be used during installation or removal The weight and size of the chuck will determine the appropriate device to use refer to the following figure for examples A WARNING A dropped chuck can cause amputation serious crushing injuries or property dam age Always use a support or protective device to reduce this risk when installing or removing a chuck SMALL LIGHTWEIGHT CHUCKS Plywood Protection Plate for Chucks Installed by Hand Plywood amp 2x4 Solid Block Chuck Cradle Chuck Cradle lt gt DN gt Plywood Chuck Cra Plywood Chuck Cra Straight Cuts 22 Curved Cuts lt gt Figure 20 Examples of common devices used during chuck installation and removal Model G0602 G0752 Mfg Since 11 12 Chuck Installation To ensure accurate work it is extremely important to make sure the spindle nose and chuck mating surfaces are clean Even a small amount of lint or debris can affect accuracy The chuck is properly installed when it threads all the way onto the spindle nose See Figure 21 below and is seated against t
97. sion the lathe must be properly prepared if it will be stored for a long period of time Doing this will ensure the lathe remains in good condition for later use To prepare the lathe for storage 1 56 Run the lathe and bring the gearbox reservoir to operating temperature then drain and refill with clean oil DISCONNECT LATHE FROM POWER Thoroughly clean all unpainted bare metal surfaces then apply a liberal coat of way oil heavy grease or rust preventative Take care to ensure these surfaces are completely cov ered but that the rust preventative or grease is kept off of painted surfaces Lubricate the machine as outlined in the Lubrication section beginning on Page 52 Be sure to use an oil can to purge all ball oil ers and oil passages with fresh oil 9 5 Loosen or remove all belts so they do not become stretched during the storage period Be sure to place a maintenance note near the power button as a reminder that the belts have been loosened or removed Cover the lathe and place it in a dry area that is out of direct sunlight and away from haz ardous fumes paint solvents or gas Fumes and sunlight can bleach or discolor paint Every few months do the following Rotate by hand all gear driven components a few times in several gear selections This will keep the bearings bushings gears and shafts well lubricated and protected from corrosion especially during the win ter months e
98. stock Quill Lock Lever Secures the quill position Tailstock Lock Nut Secures the tailstock to the Model G0602 G0752 Mfg Since 11 12 2 amm Figure 7 Tailstock controls Tailstock Quill Handwheel Controls the movement of the quill Offset Scale Indicates the relative distance of tailstock offset from the spindle centerline Tailstock Offset Set Screw 1 of 2 Adjusts the tailstock offset left or right from the spin dle centerline Change Gears Pulleys V Belt W Change Gears The configuration of the change gears for power feed inch and met ric threading controls the leadscrew speed Pulleys The position of the V belt on the pul leys controls the spindle speed V Belt Transfers power from the motor pul ley to the spindle pulley Model G0602 uses two V belts Model G0752 uses one V belt Timing Belt GO602 Transfers power from the motor to the secondary drive pulley Figure 8 Change gears and pulleys Model G0602 shown MACHINE DATA Grizzly DUNE Industrial Mic Grizzly Industrial Inc e Customer Service 800 523 4777 Tech Support 570 546 9663 MODEL 20602 G0752 10 x 22 Bench Top Metal Lathe Model Number 00602 60752 Product Dimensions Weight 330 Ibs Width Depth Height 46 x 22 x 16 50 x 22 x 16 Foot Print Width Depth 4T x 127 Shipping Dimensions Electrical Power Requirement 110V Singl
99. t Use the schedule and information in the chart below as a daily guide for lubrication tasks We recommend using Grizzly Model T23962 or 123963 lubricants see Accessories Page 50 for most of the lubrication tasks Ref This Quick Change Gearbox Ball Oilers Day 53 Lubrication Task Frequency Leadscrew amp Carriage Rack Bedways Day 54 Compound Slide Daly 54 Change Gears Annually 55 The recommended lubrication is based light to medium usage Keeping in mind that lubrication helps to protect the value and operation of the lathe these lubrication tasks may need to be performed more fre Daily quently than recommended here depend ing on usage Failure to follow reasonable lubrication practices as instructed in this manual could lead to premature failure of lathe compo nents and will void the warranty 52 Quick Change Gearbox Oil Type Grizzly T23962 or ISO 68 Equivalent Reservoir Capacity 1 Pint Check Add Frequency Daily Change Annually Checking Oil Level The gearbox reservoir has the proper amount of oil when the oil level in the sight glass is approxi mately full The oil sight glass is located below the gearbox control dials as shown in Figure 77 64866 00 DI m JDE Gearbox Oil Level
100. tenance or service DONOT expose to rain or dampness DONOT modify this machine in any way im Serial Number e of drugs or alcohol Model G0602 Identification Figure 1 G0602 identification A Emergency Stop Button L Chip Tray B Spindle Direction Switch M Thread Dial C ON Button N Half Nut Lever 3 Jaw Chuck O Cross Slide Handwheel E Steady Rest P Carriage Handwheel 4 Way Tool Post Q Leadscrew Follow Rest R Alpha Gearbox Dial H Compound Rest Handwheel S Gearbox Oil Level Sight Glass I MT 3 Dead Center T Numeric Gearbox Dial J Tailstock U Change Gear and Belt Safety Cover K Back Splash AWARNING Untrained users have an increased risk A WARNING Serious personal injury could occur if you connect the machine to power before completing the setup process DO NOT connect power until instructed to do so later in this manual of seriously injuring themselves with this machine Do not operate this machine until you have understood this entire manual and received proper training 4 o Model G0602 G0752 Mfg Since 11 12 Model G0752 Identification Figure 2 20752 identification Emergency Stop Button ON Button OFF Button Spindle Speed RPM Display Spindle Speed Dial Spindle Direction Switch 3 Jaw Chuck Steady Rest 4 Way Tool Post Follow Rest Compound Rest Handwheel MT 3 Dead Center A WARNING Serious personal injury could occur if
101. this handwheel to move the tool toward and away from the work Adjust the position of the graduated scale by holding the handwheel with one hand and turning the dial with the other The cross slide handwheel has an indirect read graduated dial This means the distance shown on the scale represents the actual distance the tool moves Compound Rest Handwheel Graduated Dial Increments 0 001 0 025mm One Full Revolution 0 04 1 02mm Use this handwheel to move the cutting tool lin early along the set angle of the compound rest Set the compound rest angle by hand rotating it and securing in place with two hex nuts The com pound rest has an indirect read graduated dial 41 Spindle Speed Using the correct spindle speed is important for safe and satisfactory results as well as maximiz ing tool life To set the spindle speed for your operation you will need to 1 Determine the best spindle speed for the cutting task and 2 configure the lathe controls to produce the required spindle speed Determining Spindle Speed Many variables affect the optimum spindle speed to use for any given operation but the two most important are the recommended cutting speed for the workpiece material and the diameter of the workpiece as noted in the formula shown in Figure 54 Recommended Cutting Speed FPM x 12 Dia of Cut in inches x 3 14 RPM Double if using carbide
102. time of printing but may not match your machine If you find this to be the case use the wiring diagram inside the motor junction box CAPACITORS INVERTERS Some capacitors and power inverters store an electrical charge for up to 10 minutes after being disconnected from the power source To reduce the risk of being shocked wait at least this long before working on Capacitors EXPERIENCING DIFFICULTIES If you are expe riencing difficulties understanding the information included in this section contact our Technical Support at 570 546 9663 COLOR KEY YELLOW YELLOW GREEN BLUE Gy PURPLE t ey PINK LIGHT BLUE Model G0602 G0752 Mfg Since 11 12 0602 Wiring Diagram Siemens 22 1 3TB41 3 MINGER LA125H BE101C 4NO 22NC ee m Sg ae i8 O e SA 58 Start CANSEN LW26 20 Rear of So Button I A B View k 25 Switch 9 L Rotary Switch Wiring Box Shown from behind Control Panel Motor 1HP 110V 110 5 15 Plug As Recommended Ground
103. to hold a drill or chuck to bore holes in the center of a part Custom arbors and tapers can also be cut on your lathe by using the offset tailstock adjustment SES t Sor de toes a ea Quill Lock Lever to dB lt Tailstock i Lock Nut Handwhee es SO c 1 9 1 _ LLLP ff In ailstock and quill lock handles in locked position Graduated Dial 15 0 001 One Full 0 060 Increments on Quill Inch 0 2 12 in s Increments Metric 0 65mm in 1mm Increments Positioning Tailstock 1 Loosen the tailstock lock nut to unlock the tailstock from the bedway 2 Slide the tailstock to the desired position 3 Tighten the tailstock lock nut to lock the tailstock against the bedway Using Quill 1 Loosen the quill lock lever 2 Turn the quill handwheel clockwise to move the quill toward the spindle or counterclock wise to move it away from it 3 Tighten the quill lock lever 250 9 Installing Tooling This tailstock uses a quill with an MT 3 taper that accepts a variety of tapered arbors and tooling including tang arbors and drill bits see Figures 34 35 for examples Figure 34 Types of tapered arbors and tooling um N Figure 35 E
104. tside sur face to remove any dust or grime Push the tip of the oil can nozzle against the ball oiler to create a hydraulic seal then pump the oil can once or twice If you see sludge and contaminants coming out of the lubrication area keep pumping the oil can until the oil runs clear When finished wipe away any excess oll Refer to Figures 79 83 to identify the location of each ball oiler Ball Oilers Model G0602 G0752 Mfg Since 11 12 4 Ball er Oilers Euy 5 Tam 1 Figure 80 Change gear ball oilers Ball Oiler Ball Oiler 63 Leadscrew amp Carriage Rack Oil Grizzly T23962 or ISO 68 Equivalent Oil Amount Lubrication Frequency Before lubricating the leadscrew and carriage rack see Figure 84 clean them first with min eral spirits Use a stiff brush to help remove any debris or grime Apply a thin coat of oil along the length of the carriage rack Use a stiff brush to make sure oil is applied into the leadscrew threads Note n some environments abrasive material can become caught in the leadscrew lubricant and drawn into the half nut In this case lubricate the leadscrew with a quality dry lubricant A Leadscrew Eu f N Figure 84 Lea
105. use it if absolutely necessary and only on a temporary basis Extension cords cause voltage drop which may damage electrical components and shorten motor life Voltage drop increases as the extension cord size gets longer and the gauge size gets smaller higher gauge numbers indicate smaller sizes Any extension cord used with this machine must contain a ground wire match the required plug and receptacle and meet the following require ments Minimum Gauge Size 14 AWG Maximum Length Shorter is Better 50 ft 15 SECTION 3 SETUP Unpacking Needed for Setup Your machine was carefully packaged for safe The following are needed to complete the setup transportation Remove the packaging materials process but are not included with your machine from around your machine and inspect it If you discover any damage please call us immediately Description Qty at 570 546 9663 for advice Additional 1 e Safety Glasses 1 For Each Person Save the containers and all packing materials for Cleaner Degreaser Page 18 As Needed possible inspection by the carrier or its agent e Quality Metal Protectant As Needed Otherwise filing a freight claim can be difficult e Disposable Shop As Needed Precision 1 When you are completely satisfied with the
106. wing step refer to Offsetting Tailstock on Page 33 for detailed instructions Model G0602 G0752 Mfg Since 11 12 8 Use calipers to measure both ends of the lf the test stock is thinner at the tailstock workpiece end move the tailstock toward the back of the lathe the distance of the amount of lf the test stock is thicker at the tailstock taper see Figure 41 end move the tailstock toward the front of the lathe the distance of the amount of taper see Figure 40 Looking down from above Move the tailstock toward the front of the machine half e the distance of the taper H Move tailstock toward the back of the machine half the distance of the taper Figure 41 Adjust tailstock away from the Looking down from above operator Figure 40 Adjust tailstock toward the operator 9 Repeat Steps 6 8 until the desired accuracy is achieved Model G0602 G0752 Mfg Since 11 12 o 35 Centers Figure 42 shows one of the two included MT 3 dead centers and the MT 4 dead center 4 Dead Center MT 3 Dead N Center Figure 42 Dead centers The spindle taper is an MT 4 and will only receive the MT 4 dead center The tailstock quill taper is an MT 3 and will only receive the MT 3 dead centers Dead Centers A dead center is a one piece center that does not rotate with
107. xample photos of inserting MT 3 tools with tangs into a typical tailstock Note f the tooling has an open hole in the end then a screw can be threaded into the end of the tool to provide a solid surface for the quill pin to push against when the quill is retracted for tool removal Otherwise removal of such tooling may be difficult Model G0602 G0752 Mfg Since 11 12 To install tooling in the tailstock 1 With the tailstock locked in place unlock the quill then use the handwheel to extend it approximately 1 2 Thoroughly clean and dry the tapered mating surfaces of the quill and the center making sure that no lint or oil remains on the tapers 3 With a firm and quick motion insert the tool into the quill as shown in Figure 35 on Page 32 Check to see if it is firmly seated by attempting to twist it a firmly seated tool will not twist 4 Unlock the tailstock and move it until the tip of the tool is close to but not touching the workpiece then re lock the tailstock 5 Start spindle rotation unlock the quill lock lever then turn the quill handwheel clockwise to feed the tool into the workpiece Removing Tooling 1 Usea shop rag to hold the tool 2 Rotate the quill handwheel counterclockwise until the tool is forced out of the quill Offsetting Tailstock The tailstock can be offset from the spindle cen terline for turning tapers Move the tailstock top casting toward the front of the lathe to mach

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