Grizzly G0602 Owner'S Manual Download Page 63

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Model G0602/G0752 (Mfd. Since 03/17)

-57-

Motor & Electrical

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.

Note: Please

gather the serial number and manufacture date of your machine before calling.

SECTION 7: SERVICE

Troubleshooting

Symptom

Possible Cause

Possible Solution

Machine does not
start or a circuit
breaker trips.

1. Emergency stop button engaged or at fault.

2. Spindle direction switch turned OFF or at

fault.

3. Start capacitor at fault.
4. Wall fuse/circuit breaker is blown/tripped;

short in electrical system; start-up load too
high for circuit.

5. Wiring is open/has high resistance.

6. Contactor not getting energized/has poor

contacts.

7.  Motor connection wired wrong.
8.  Motor spindle direction switch at fault.
9.  Inverter/control box at fault (G0752 only).
10. Motor at fault.

1. Rotate button clockwise until it pops out to reset it

for operation; replace if not working properly.

2. Turn spindle direciton switch to FWD or REV.

Ensure switch has correct voltage. Replace if faulty.

3. Test/replace if faulty.
4. Verify circuit is rated for machine amp load;

troubleshoot and repair cause of overload; replace
weak breaker; find/repair electrical short.

5. Check for broken wires or disconnected/corroded

connections, and repair/replace as necessary.

6. Test for power on all legs and contactor operation.

Replace unit if faulty.

7. Correct motor wiring connections (

Page 67).

8. Replace switch.
9. Inspect inverter/controller box; replace if faulty.
10. Test/repair/replace.

Loud, repetitious
noise coming from
lathe at or near the
motor.

1. Pulley set screws or keys are missing or

loose.

2. Motor fan is hitting the cover.

1. Inspect keys and set screws. Replace or tighten if

necessary.

2. Tighten fan, shim cover, or replace items.

Motor overheats.

1. Motor overloaded.

1. Allow motor to cool; reduce load on motor.

Motor is loud when
cutting, or bogs
down under load.

1. Excessive depth of cut or feed rate.
2. Spindle speed or feed rate wrong for

cutting operation.

3. Cutting tool is dull.

1. Decrease depth of cut or feed rate.
2. Refer to the feeds and speed charts in

Machinery's

Handbook

or a speeds and feeds calculator on the

internet.

3. Sharpen or replace the cutting tool.

Summary of Contents for G0602

Page 1: ...lly machined to mount the DRO scales Thus the DRO components included with these models cannot be easily retrofitted onto Models G0602 or G0752 To reduce the risk of serious injury you MUST read and understand this insert and the entire Model G0602 G0752 manual BEFORE assembling installing or operating this machine If you have any further questions about this manual insert or the differences betwe...

Page 2: ...aper MT 4 Tailstock Taper MT 3 Max Tool Bit Size 1 2 Weight 330 lbs Specifications Date S N Mfd for Grizzly in China WARNING To reduce the risk of serious injury while using this machine 1 Read and understand owner s manual before starting 2 Always wear approved safety glasses AND a face shield 3 Only plug power cord into a grounded outlet 4 Disconnect power before setting up adjusting or servicin...

Page 3: ...s of a millimeter or thou sandths of an inch Included Y axis display line is not used on G0602Z or G0752Z B X value displays total X axis travel from zero along cross slide C Z value displays total Z axis travel from zero along lathe bed D In MM button allows users to toggle measurement display in either inches or millimeters E ZERO buttons reset values at any point along the axis to 0 00 F Green ...

Page 4: ... 4 Model G0602Z G0752Z Mfd Since 06 17 ...

Page 5: ...JH 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 MODEL G0602 G0752 10 X 22 BENCHTOP LATHE OWNER S MANUAL For models manufactured since 03 17 G0602 Shown V2 04 17 ...

Page 6: ...ng 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 Some dust created by power sanding sawing grinding drilling and other construction activities contains chemicals known to the State of California to cause cancer birth defects or other repr...

Page 7: ... 24 Recommended Adjustments 24 SECTION 4 OPERATIONS 25 Operation Overview 25 Chuck Faceplate Mounting 26 Installation Removal Devices 26 Chuck Installation 27 Chuck Removal 28 Changing Jaw Set 28 Scroll Chuck Clamping 29 4 Jaw Chuck 30 Faceplate 31 Tailstock 32 Positioning Tailstock 32 Using Quill 32 Installing Tooling 32 Removing Tooling 33 Offsetting Tailstock 33 Aligning Tailstock to Spindle Ce...

Page 8: ...ent 63 Tensioning V Belt 63 Replacing V Belt 64 Timing Belt Tension Replacement 65 Tensioning Timing Belt 65 Replacing Timing Belt 65 SECTION 8 WIRING 66 Wiring Safety Instructions 66 G0602 Wiring Diagram 67 G0602 Electrical Components 68 G0752 Wiring Box Diagram 69 G0752 Wiring Box Components 70 G0752 Control Panel Wiring Diagram 71 G0752 Control Panel Components 72 G0752 Motor Wiring Diagram 73 ...

Page 9: ...eans that sometimes the machine you receive is slightly different than shown in the manual If you find this to be the case and the difference between the manual and machine leaves you confused or unsure about something check our website for an updated version We post current manuals and manual updates for free on our web site at www grizzly com Alternatively you can call our Technical Support for ...

Page 10: ...ost G Follow Rest H Compound Rest Handwheel I MT 3 Dead Center J Tailstock K Back Splash Model G0602 Identification U T S R Q P O N M L K J I H G F E D C B A Figure 1 G0602 identification 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 Untrained users have an increased ri...

Page 11: ...tion Switch G 3 Jaw Chuck H Steady Rest I 4 Way Tool Post J Follow Rest K Compound Rest Handwheel L MT 3 Dead Center R Q M L I H C B A Model G0752 Identification D G F E K Figure 2 G0752 identification 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 Untrained users have a...

Page 12: ...anel 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 A B C G 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 ...

Page 13: ... mounted in the tailstock toward or away from the workpiece R Tailstock Quill Lock Lever Secures the quill position S Tailstock Lock Nut Secures the tailstock to the bedway Figure 6 Carriage controls I L J M O P K N T Tailstock Quill Handwheel Controls the movement of the quill U Offset Scale Indicates the relative distance of tailstock offset from the spindle centerline V Tailstock Offset Set Scr...

Page 14: ...Requirement 110V Single Phase 60 Hz Minimum Circuit Size 20A 15A Switch Forward Reverse Button Switches Cord Length 5 ft Cord Gauge 16 AWG 16 AWG Plug Included Yes Included Plug Type NEMA 5 15 Main Motor Type TEFC Capacitor Start Induction TEFC Induction Horsepower 1 HP 1 HP Phase Single Phase 3 Phase Amps 13 6A 12A Speed 1725 RPM Power Transfer Cogged Belt Drive Bearings Shielded Permanently Seal...

Page 15: ...Number of Longitudinal Feeds 9 Range of Longitudinal Feeds 0 0025 0 0140 in rev Number of Inch Threads 33 Range of Inch Threads 8 72 TPI Number of Metric Threads 26 Range of Metric Threads 0 25 3 50 mm Dimensions Bed Width 61 8 in Leadscrew Diameter 3 4 in Leadscrew TPI 12 TPI Leadscrew Length 34 Steady Rest Capacity 1 4 2 Follow Rest Capacity 1 4 2 Faceplate Size 8 in Construction Base Cast Iron ...

Page 16: ...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 For Your Own Safety Read Inst...

Page 17: ...ith moving parts or flying debris Make sure they are properly installed undamaged and working correctly BEFORE operating machine 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 du...

Page 18: ...pindle with deadly force Make sure workpiece is properly secured before starting the lathe CHUCKS Chucks can be heavy and difficult to hold During installation and removal protect your hands and precision bed ways by using a chuck cradle or piece of plywood over the bed ways Use lifting equipment as necessary for large chucks STOPPING SPINDLE Always allow spindle to completely stop on its own or u...

Page 19: ...ed 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 which 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 ...

Page 20: ...e 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 specified circuit requirements For your own safety and protection of property consult an electrician if you ar...

Page 21: ... cord size gets longer and the gauge size gets smaller higher gauge numbers indicate smaller sizes Any extension cord used with this machine must be in good condition and contain a ground wire and matching plug receptacle Additionally it must meet the following size requirements Minimum Gauge Size 14 AWG Maximum Length Shorter is Better 50 ft Grounding Plug Requirements Figure 9 Included 5 15 plug...

Page 22: ...g to file a freight claim It is also extremely helpful if you need to return your machine later Unpacking SUFFOCATION HAZARD Keep children and pets away from plastic bags or packing materials shipped with this machine Discard immediately The following are needed to complete the setup process but are not included with your machine Description Qty Additional People 1 Safety Glasses 1 For Each Person...

Page 23: ...Installed G0602 1 V Belt 33 Installed G0752 1 M 2 Phillips and Standard Screwdriver 1 Ea N Wrench Set 8 10 12 14 19 17mm 1 Ea O 3 Jaw Chuck Internal Jaw Set 1 P 3 Jaw Chuck Key 1 Q 4 Jaw Chuck Key 1 R Oil Bottle for Oil 1 S Cross Slide Handwheel Handle 1 T Carriage Handwheel Handle 1 U Dead Centers MT 3 2 V Dead Center MT 4 1 W Change Gear Set 1 Change Gear 27 tooth Installed 1 Change Gear 36 toot...

Page 24: ...astic 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 degreas 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 r...

Page 25: ... in this manual See below for required space allocation 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 machi...

Page 26: ... Leveling Mounting on Page 21 3 Unbolt the lathe from the shipping pallet 5 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 6 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 ...

Page 27: ...n Figure 16 Leveling Mounting Figure 15 Grizzly Model H2683 12 Master Machinist s Level Leveling machinery helps precision components such as bedways remain straight and flat during the lifespan of the machine Components on a machine that 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...

Page 28: ...e 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 Disconnec...

Page 29: ...g to STOP 8 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 ...

Page 30: ...lete stop run the spindle in reverse at 2400 RPM Model G0602 or 2000 RPM Model G0752 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 Replacement Page 64 on page for detailed instructions 5 While the oil is still warm and any metal par ticles are still suspended in the oil cha...

Page 31: ...oj ects Regardless of the content in this sec tion Grizzly Industrial will not be held liable for accidents caused by lack of training To reduce risk of eye injury from flying chips always wear safety glasses or face shield when operating 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 hai...

Page 32: ...e the risk of the workpiece or chuck being thrown from the machine with deadly force Chuck Faceplate Mounting Installation Removal Devices Pre Threaded Hole for Lifting Eye Way Slot Jaw Slot Plywood 2x4 Chuck Cradle Plywood Chuck Cradle Straight Cuts Plywood Chuck Cradle Curved Cuts Fabricated Steel Lifting Hook Solid Block Chuck Cradle Plywood Protection Plate for Chucks Installed by Hand MEDIUM ...

Page 33: ...onto the spindle nose see Figure 21 below and is seated against the spindle shoulder 6 Install the chuck locks with the cap screws see Figure 23 Figure 23 Chuck lock installed on spindle nose and chuck Chuck Lock Cap Screw 4 Thread the chuck onto the spindle nose and hand tighten it 3 Thoroughly clean inspect deburr and lightly oil all threads and mating surfaces To install the chuck 1 DISCONNECT ...

Page 34: ... Removal Changing Jaw Set The 3 jaw scroll chuck included with the lathe fea tures inside and outside hardened steel jaw sets see Figure 26 which move in unison to center a concentric workpiece When installing the jaws it is important to make sure they are installed correctly Incorrect installa tion will result in jaws that do not converge evenly and are unable to securely clamp a workpiece Jaws a...

Page 35: ...o 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 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 spi...

Page 36: ... 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 4 Jaw Chuck Figure 30 4 jaw tightening sequence 1 2 3 4 Workpiece Center Point 5 Tighten each jaw in small increments After you have adjusted the f...

Page 37: ...ure a 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 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...

Page 38: ...ailstock 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 Installing Tooling This tailstock uses a quill with an MT 3 taper that accepts a variety of tapered a...

Page 39: ...cise offset use a dial indicator to check quill movement while adjusting the screws Tools Needed Qty Hex Wrench 4mm 1 Open End Wrench 19mm 1 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 cl...

Page 40: ...fer to Leveling 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 Aligning Tailstock to Spindle Centerline Note As long as this dead center remains in the chuck the point of the center will remain...

Page 41: ...ed accuracy is achieved Move the tailstock toward the front of the machine half the distance of the taper Looking down from above Figure 40 Adjust tailstock toward the operator If the test stock is thinner at the tailstock end move the tailstock toward the back of the lathe 1 2 the distance of the amount of taper see Figure 41 Move tailstock toward the back of the machine half the distance of the ...

Page 42: ...le 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 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 clea...

Page 43: ... center mounted in the tailstock well lubricated 3 Use the quill handwheel to feed the quill out of the casting approximately 1 see Figure 1 Note The maximum quill travel is 21 2 but we do not recommend extending the quill more than 2 or stability and accuracy will be reduced Figure 1 Dead center inserted into tailstock 4 Insert the center into the tailstock quill 5 Seat the center firmly into the...

Page 44: ...rts 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 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 fi...

Page 45: ...rriage Lock 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 14mm 1 To set the ...

Page 46: ...ith great force DO NOT extend a cutting tool more than 2 5 times the width of its cross section e g 2 5 x 0 5 1 25 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 There are a number of ways to check and align the cutting tool to the spindle centerline If nec essary you can raise the cut...

Page 47: ... turning or when manual movement is desired during turning operations Cross Slide Handwheel Graduated Dial Increments 0 001 0 025mm One Full Revolution 0 06 1 52mm Use 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 gradu...

Page 48: ...ecommended 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 ...

Page 49: ... speed of 150 RPM Locking Nut Figure 57 G0602 RPM chart RPM Pulley Combination RPM Chart To set the spindle speed to 150 RPM 1 DISCONNECT LATHE FROM POWER 2 Refer to the RPM chart in Figure 57 to deter mine the pulley combination you need to achieve a spindle speed of 150 RPM it is BC1 Follow along with the examples below for setting the Model G0602 spindle speed to gain a better understanding of ...

Page 50: ...e 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 Power Feed Tools Needed Qty Hex Wrench 5mm 1 Hex Wrench 6mm 1 Follow along with this example for setting the spindle speed for the Model G0752 to gain a...

Page 51: ...e 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 Setting Power Feed Rate 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...

Page 52: ...ew 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 62 then secure the change gears with the E clips and cap screw Note All 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...

Page 53: ...read dial chart 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 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 Figure 64 Half nut lever and thread dial Thread Dial H...

Page 54: ... 2 111 2 131 2 POSITION 1 7 TPI ANY POSITION 9 12 18 24 36 48 72 TPI 5 7 3 1 1 1 9 5 7 3 1 1 1 9 5 7 3 1 1 1 9 Figure 66 9 12 18 24 36 48 72 TPIs 91 2 111 2 131 2 Fractional TPI For threading these TPIs use the numbered lines 1 or 7 on the thread dial see Figure 67 All Other TPI POSITION 1 4 7 10 TPI 91 2 111 2 131 2 POSITION 1 7 TPI ANY POSITION 9 12 18 24 36 48 72 TPI 5 7 3 1 1 1 9 5 7 3 1 1 1 9...

Page 55: ...sy 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 71 G1677 Drill Chuck Arbor 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 3 Short e...

Page 56: ...f 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 T23963 T23962 Figure 75 High pressure oil cans for ball oilers 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 H7616 ...

Page 57: ...Turn the spindle direction switch to STOP and press the Emergency STOP button to prevent accidental startup Vacuum clean all chips and swarf from bed and slides Wipe down all unpainted or machined sur faces with an oiled rag Add oil to the ball oilers Page 53 Annually Change the gearbox oil Page 52 Lubricate the change gears Page 55 Check level bedway Page 21 Cleaning Protecting Because of its imp...

Page 58: ...brication tasks may need to be performed more fre 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 Checking Oil Level The gearbox reservoir has the proper amount of oil when the oil level in the sight glass is approxi mately 3 4 full The o...

Page 59: ...ate the ball oilers before and after machine use and more frequently under heavy use When lubricating ball oilers first clean the outside 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...

Page 60: ...dscrew with a quality dry lubricant Figure 85 Compound bottom slide Compound Slide Oil Type Grizzly T23962 or ISO 68 Equivalent Oil Amount Thin Coat Lubrication Frequency Daily 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...

Page 61: ...ears free of dust or debris from the outside environment To lubricate the change gears 1 DISCONNECT LATHE FROM POWER 2 Open the change gear cover and remove all the change gears shown in Figure 86 3 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 4 Clean the shafts and wipe away any grease splatters in the v...

Page 62: ...ned 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 Machine Storage 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 6 Cover the lathe and place it in a dry area...

Page 63: ...reciton switch to FWD or REV Ensure switch has correct voltage Replace if faulty 3 Test replace if faulty 4 Verify circuit is rated for machine amp load troubleshoot and repair cause of overload replace weak breaker find repair electrical short 5 Check for broken wires or disconnected corroded connections and repair replace as necessary 6 Test for power on all legs and contactor operation Replace ...

Page 64: ...pindle centerline see Page 40 4 Tighten gibs see Page 61 Tapered tool difficult to remove from tailstock quill 1 Quill is not retracted all the way back into the tailstock 2 Contaminants not removed from taper before inserting into quill 1 Turn the quill handwheel until it forces the tapered tool out of quill 2 Clean the taper and bore then re install tool Cross slide compound rest or carriage fee...

Page 65: ... engaged 3 Carriage lock is tightened down 4 Chips have loaded up on bedways 5 Bedways are dry and in need of lubrication 6 Gibs are too tight 7 Gears or shear pin broken 1 Adjust gear dials 2 Disengage half nut lever for manual feeding 3 Check to make sure the carriage lock bolt is fully released 4 Frequently clean away chips that load up during turning operations and re lubricate 5 Lubricate bed...

Page 66: ... 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 Figure 87 Compound rest backlash adjustment set screws Cross Slide Tools Needed Qty Hex Wrench 4mm 1 Hex Wrench 5mm 1 Open End Wrench 14mm 1 The cross slide backlash is adjus...

Page 67: ...e 90 Compound slide gib adjustment hex nuts and set screws 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 ...

Page 68: ...l you are 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 Figure 91 Typical half nut gib adjustment Adjustment Fasteners Leadscrew Shear Pin Replacement The longitudinal 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 ...

Page 69: ... 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 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 1 4 deflection when it i...

Page 70: ...h 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 If the high range belt Figure 96 needs to be replaced loosen the motor mount hex nuts see Figure ...

Page 71: ...ions on Page 64 6 Secure the change gear cover Replacing Timing Belt 1 DISCONNECT LATHE FROM POWER 2 Open the change gear cover 3 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 It may be more convenient to access the motor mount hex nuts if you first remove the rear splash guard 4 Raise the motor up roll the old...

Page 72: ...rrent at the 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 ...

Page 73: ...NSEN LW26 20 Start Button Switch E Stop Button Switch Rotary Switch U2 V1 W1 V2 U1 W2 Neutral Hot Ground 2 1 NC MINGER LA125H BE101C 3 A2 Gnd L N L 4 4 L L L L N N V2 V2 N V1 V1 3 4 L V1 Start Capacitor 150 MFD 250VAC Run Capacitor 20MFD 450VAC W1 W1 44 NO 6T3 2T1 43NO 1L1 A1 5L3 N U1 U1 V1 W2 W2 W2 U2 U2 N 110 VAC 5 15 Plug As Recommended Control Panel Wiring Box V1 Shown from behind 2 MINGER LA1...

Page 74: ...CAL SAFETY ON PAGE 66 Figure 103 Motor connection detail G0602 Electrical Components Figure 101 Spindle direction switch and ON button Figure 102 Electrical box Figure 105 Magnetic contactor Figure 104 Spindle direction switch and emergency stop switch ...

Page 75: ... READY RUN FAULT ON 1 2 3 U T1 V T2 W T3 B1 B2 S L2 T L3 Delta VFD007E11A VS Drive 1 Transformer BEIJING AOHENGDA ELECTRICAL JBK5 40VA PE 0 110 220 0 24 V1 W1 N1 N1 L1 L1 DCM 10V 10V AVI AVI ACM ACM 1L1 A1 3 N1 L1 L N PE U1 V1 W1 U1 PE N1 N1 N1 L1 0 L1 8 8 0 PE L N 2 4 3 1 5 5 0 5 4 Wiring Box L N L L N M1 M1 M2 M2 DCM PE PE DCM DCM 2 0 1 13NO PE To Left Motor Junction Box Page 73 To Circuit Board...

Page 76: ... 70 Model G0602 G0752 Mfd Since 03 17 READ ELECTRICAL SAFETY ON PAGE 66 Figure 106 G0752 electrical box G0752 Wiring Box Components ...

Page 77: ...rcuit Board Spindle Direction Switch OFF Button Switch ON Button Switch E Stop Button Switch Viewed from Behind Control Panel WXD3 13 3 NO 3 NO 1 NC 1 NC Bottom Top COM 4 Ground 3 3 3 2 2 P E PE M 1 M1 M 2 M2 M2 10V A V I AVI A C M ACM 4 PE 1 NC LA252HBE102C 2 4 5 1 1 4 D C M DCM DCM 5 M1 1 See Figure 107 on Page 72 See Figure 110 Page 72 See Figure 108 Page 72 See Figure 109 Page 72 To Wiring Box...

Page 78: ...trol Panel Components Figure 107 Control panel Figure 108 RPM display Figure 111 Right junction box Figure 109 Variable speed dial Figure 110 Spindle speed circuit board Figure 112 Spindle speed sensor E Stop Button Switch ON Button Switch OFF Button Switch Spindle Direction Switch ...

Page 79: ...nction box Figure 113 Left motor junction box G0752 Motor Wiring Diagram Motor 1HP 220V 3PH Motor Fan 110V 30W 1PH Ground Neutral Hot Ground 110 VAC 5 15 Plug As Recommended U1 W1 N1 L1 PE L N V1 PE To Wiring Box Page 69 To Wiring Box Page 69 To Wiring Box Page 69 ...

Page 80: ...10 11 13 14 16 17 18 19 19 1 20 21 22 23 24 25 26 27 54 55 55 1 28 29 30 31 32 33 34 35 36 37 37 37 38 39 40 41 41 42 42 43 40 44 45 46 47 48 49 51 52 53 12 54 4 55 2 54 3 57 3 56 54 2 60 62 64 69 70 63 54 1 LEFT REAR VIEW G0602 G0752 G0602 G0602 G0752 G0602 G0752 51 13 55 3 71 72 15 4 ...

Page 81: ...2019 SPEED SENSOR RING W MAGNETS 54 1 P0602054 1 3 JAW CHUCK JAW INT 3 PC SET 20 P0602020 GEAR 40T PLASTIC 54 2 P0602054 2 CHUCK BACKPLATE 21 P0602021 V BELT M 27 5 3L275 G0602 54 3 P0602054 3 3 JAW CHUCK KEY 22 P0602022 PULLEY C 54 4 P0602054 4 3 JAW CHUCK JAW EXT 3 PC SET 23 P0602023 V BELT M 33 3L330 55 P0602055 4 JAW CHUCK 6 5 24 P0602024 SPANNER NUT 37MM 55 1 P0602055 1 4 JAW CHUCK JAWS 4 PC ...

Page 82: ...ALF NUT GIB 131 P0602131 COMPRESSION SPRING 110 P0602110 DOWEL PIN 4 X 16 132 P0602132 CARRIAGE HANDWHEEL HANDLE 111 P0602111 SET SCREW M5 8 X 16 133V2 P0602133V2 CARRIAGE HANDWHEEL 112 P0602112 SET SCREW M6 1 X 25 134V2 P0602134V2 SET SCREW M6 1 X 12 113 P0602113 HEX NUT M5 8 135 P0602135 SET SCREW M6 1 X 12 CONE PT 114 P0602114 SET SCREW M6 1 X 12 136V2 P0602136V2 GEAR SHAFT V2 03 17 115 P060211...

Page 83: ...02205 GRADUATED DIAL 220 P0602220 TOOL REST 206 P0602206 BARREL NUT 221 P0602221 HUB SPACER 207 P0602207 DOWEL PIN 222 P0602222 TOOL REST SLIDE PLATE 208 P0602208 TOOL POST BOLT 223 P0602223 COMPOUND REST LEADSCREW 209 PW01M FLAT WASHER 8MM 224 P0602224 LEADSCREW MOUNT 210 P0602210 DOWEL PIN 225 P0602225 GRADUATED DIAL 211 P0602211 COMPRESSION SPRING 226 P0602226 COMPOUND REST HANDWHEEL 212 PCAP13...

Page 84: ...ING 317 PK39M KEY 3 X 3 X 10 304 P0602304 HANDWHEEL SCALE PLATE 318 PLN05M LOCK NUT M10 1 5 305 P0602305 TAILSTOCK HANDWHEEL 319 PRIV001M RIVET 2 X 5MM STEEL FLUTED 306 P0602306 LEVER BOLT M12 1 75 X 50 320 P0602320 BALL OILER 10MM 307 P0602307 BARREL NUT M12 1 75 321 P0602321 CLAMPING PLATE 308 PSS04M SET SCREW M6 1 X 12 322 PN09M HEX NUT M12 1 75 309 P0602309 GRADUATED DIAL 323 PB158M HEX BOLT M...

Page 85: ...K SPLASH 402 P0602402 RACK 410 P0602410 STUD SE M10 1 5 X 45 35 403 PCAP33M CAP SCREW M5 8 X 12 411 PN02M HEX NUT M10 1 5 404 P0602404 LONGITUDINAL LEADSCREW 412 PSS44M SET SCREW M8 1 25 X 40 405 P0602405 LEADSCREW END BRACKET 413 PW01M FLAT WASHER 8MM 406 P0602406 BALL OILER 6MM 414 PN03M HEX NUT M8 1 25 407 PCAP02M CAP SCREW M6 1 X 20 415 P0602415 CHIP PAN 408 PLN05M LOCK NUT M10 1 5 ...

Page 86: ...TING 511A P0602511A FOLLOW REST ASSEMBLY 502 P0602502 FINGER 511 P0602511 FOLLOW REST CASTING 503 P0602503 SHOULDER T BOLT 512 P0602502 FINGER 504 PLW03M LOCK WASHER 6MM 513 P0602503 SHOULDER T BOLT 505 PN01M HEX NUT M6 1 514 P0602506 ADJUSTING SCREW 506 P0602506 ADJUSTING SCREW 515 PN01M HEX NUT M6 1 507 P0602507 CLAMPING PLATE 516 PLW03M LOCK WASHER 6MM 508 PB125M HEX BOLT M12 1 75 X 65 517 PCAP...

Page 87: ...04 ELECTRICAL CABINET COVER 612 PW05M FLAT WASHER 4MM 607 P0602607 STRAIN RELIEF NUT 615 P0602615 STRAIN RELIEF M20 1 5 608 P0602608 STRAIN RELIEF M25 1 5 616 P0602616 STRAIN RELIEF NUT 610 PS17M PHLP HD SCR M4 7 X 6 617 P0602617 CONTACTOR SIEMENS 3TB41 22E 110V 611V2 P0602611V2 MOTOR 1HP 110V 1 PH ALUM BDY V2 09 08 618 P0602618 E STOP BUTTON MINGER LA125H BE102C 611V2 1 P0602611V2 1 MOTOR FAN V2 ...

Page 88: ...LA125H BE102C 608 P0752608 STRAIN RELIEF M25 1 5 625 P0752625 G0752 CONTROL PANEL 610 P0752610 PHLP HD SCR M4 7 X 6 625 P0752625 G0752 CONTROL PANEL 611 P0752611 MOTOR 1HP 220V 3 PH 626 P0752626 OFF PUSH BUTTON MINGER LA125H BE101C 611 1 P0752611 1 MOTOR FAN 627 P0752627 RPM DISPLAY UNIT 611 2 P0752611 2 MOTOR FAN COVER 628V2 P0752628V2 POTENTIOMETER WXD3 13 V2 03 17 611 3 P0752611 3 RIGHT MOTOR J...

Page 89: ...P SCREW M8 1 25 X 40 707 PEC10M E CLIP 9MM 728 P0602728 GEAR 36T 708 P0602708 BALL OILER 6MM 729 P0602729 GEAR 36T 711 P0602711 BRACKET 730 P0602730 GEAR 40T 712 P0602712 T NUT 731 P0602731 GEAR 44T 713 P0602713 SPACER WASHER 732 P0602732 GEAR 46T 714 P0602714 GEAR SHAFT 733 P0602733 GEAR 48T 715 P0602715 KEYED BUSHING 734 P0602734 GEAR 52T 716 P0602716 GEAR 127T 735 P0602735 GEAR 45T 717 P0602717...

Page 90: ...7 Gearbox 801 802 803 804 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 805 805 802 827 822 822 820 822 823 ...

Page 91: ...OLL PIN 5 X 30 812 P0602812 FILL PLUG 3 8 NPT 837 P0602837 COMPRESSION SPRING 813 P0602813 GEAR BOX CASE 838 P0602838 SIGHT GLASS A16 814 P0602814 DRAIN PLUG 3 8 NPT 839 P0602839 POINTER DISC 815 P0602815 SHEAR PIN 5 X 20 840 PSS01M SET SCREW M6 1 X 10 816 P0602816 LEADSCREW CONNECTING COLLAR 841 PSTB004M STEEL BALL 5MM 817 P0602817 SHEAR PIN 5 X 20 842 P0602842 SHIFT HUB 818 PCAP26M CAP SCREW M6 ...

Page 92: ...07 PCAP31M CAP SCREW M8 1 25 X 25 927 P0602927 SADDLE CLAMP PLATE 908 P0602908 INDICATOR PLATE 928 PSS25M SET SCREW M6 1 X 20 909 PRIV001M RIVET 2 X 5MM STEEL FLUTED 929 PN01M HEX NUT M6 1 910 P0602910 GRADUATED DIAL 930 PCAP48M CAP SCREW M6 1 X 35 911 PK105M KEY 3 X 3 X 6 931 P0602931 V WAY WIPER 912 P0602912 SPRING PLATE 932 P0602932 V WAY WIPER COVER 913 P0602913 CROSS SLIDE HANDWHEEL 933 PS07M...

Page 93: ...3 3 42 6 22 42 6 3 2 7 8 40 8 5 4 3 8 7 4 3 2 AND 5 234 INSTRUCTION MANUAL TO AVOID SERIOUS INJURY F A MANUAL IS NOT AVAILABLE 4 USE MACHINE O TO WWW GRIZZLY COM OR CALL 7 2 3 4 0 7 2 2 534 43 4 2 3 26 7 2 4 4 2 4IE BACK LONG HAIR ROLL UP LONG SLEEVES AND REMOVE LOOSE CLOTHING JEWELRY OR GLOVES TO PREVENT GETTING CAUGHT IN MOVING PARTS 66 855 946 949 950 940 947 948 941 REFER TO OWNER S MANUAL FOR...

Page 94: ...ection ONLY when spindle rotation is stopped G0752 Machine Labels A 11 06 12 s ABEL IS ACTUAL SIZE s ABEL MUST BE MADE OF oil resistant material 8DENG I G OOAN C9JHIG 6A C8 FOR GRIZZLY MACHINES ONLY DO NOT REPRODUCE OR CHANGE THIS ARTWORK WITHOUT WRITTEN APPROVAL RIZZLY WILL NOT ACCEPT LABELS CHANGED WITHOUT APPROVAL F artwork changes are required contact us immediately at manuals grizzly com Note...

Page 95: ...Model G0602 G0752 Mfd Since 03 17 89 SECTION 10 APPENDIX machine G0602 Charts ...

Page 96: ...G0752 Charts ...

Page 97: ... 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 ...

Page 98: ...D LINE FOLD ALONG DOTTED LINE GRIZZLY INDUSTRIAL INC P O BOX 2069 BELLINGHAM WA 98227 2069 Place Stamp Here Name_______________________________ Street_______________________________ City______________State______Zip______ Send a Grizzly Catalog to a friend ...

Page 99: ...e 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 a...

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