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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 in this manual may result in fire or serious personal injury—including amputation, electrocution, or death.
Before contacting, please get the serial number and manufacture date of your machine. This will help us help you faster. Manufacture date Grizzly Technical Support 1203 Lycoming Mall Circle serial number Muncy, PA 17756 Phone: (570) 546-9663 Email: techsupport@grizzly.com...
model g0602 identification figure 1. g0602 identification. a. emergency stop Button Chip tray b. spindle direction switch m. thread dial c. on Button n. half nut lever d. 3-Jaw Chuck o. Cross slide handwheel e. steady rest p. Carriage handwheel 4-Way tool post Q.
model g0752 identification figure 2. g0752 identification. a. emergency stop Button m. tailstock b. on Button n. Back splash c. oFF Button o. Chip tray d. spindle speed rpM display p. thread dial e. spindle speed dial Q. half nut lever spindle direction switch r.
controls & d. off button: stops spindle rotation. components e. spindle speed rpm display: shows a digi- tal readout of the spindle speed. spindle speed dial: Controls the variable refer to figures 3–8 and the following descrip- spindle speed. tions to become familiar with the basic controls of this lathe.
carriage tailstock figure 7. tailstock controls. tailstock Quill handwheel: Controls the movement of the quill. figure 6. Carriage controls. u. offset scale: indicates the relative distance of tailstock offset from the spindle centerline. 4-Way tool post: holds up to four cutting tools at once that can be individually indexed v.
MODEL G0602, G0752 10" x 22" Bench Top Metal Lathe model number g0602 g0752 product dimensions Weight 330 lbs. Width/depth/height 46" x 22" x 16 ⁄ " ⁄ " x 22" x 16 ⁄ " Foot print (Width/depth) ⁄ " x 12 ⁄...
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Model Number G0602 G0752 headstock information spindle Bore 1" spindle size ⁄ " spindle taper Mt#4 spindle threads 8 tpi number of spindle speeds Variable range of spindle speeds 150 – 2400 rpM 100 – 800, 160 – 1300, 250 – 2000 rpM spindle type threaded spindle Bearings...
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.
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Wearing proper apparel. do not wear forcing machinery. do not force machine. clothing, apparel or jewelry that can become it will do the job safer and better at the rate for entangled in moving parts. Always tie back or which it was designed. cover long hair.
additional safety for metal lathes speed rates. operating the lathe at the wrong securing WorKpiece. An improperly secured speed can cause nearby parts to break or the workpiece can fly off the lathe spindle with deadly workpiece to come loose, which will result in dan- force, which can result in a severe impact injury.
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 lathe center: A lathe accessory with a 60°...
section 2: poWer supply availability circuit requirements Before installing the machine, consider the avail- This machine is prewired to operate on a 110V ability and proximity of the required power supply power supply circuit that has a verified ground and circuit.
grounding & plug requirements Improper connection of the equipment-grounding wire can result in a risk of electric shock. The This machine MUST be grounded. In the event wire with green insulation (with or without yellow of certain malfunctions or breakdowns, grounding stripes) is the equipment-grounding wire.
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 at (570) 546-9663 for advice.
inventory dead Center Mt#4 ........1 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-tooth) ......1 machine.
cleanup Gasoline or products with low flash points can The unpainted surfaces of your machine are explode or cause fire if coated with a heavy-duty rust preventative that used to clean machin- prevents corrosion during shipment and storage. ery. Avoid cleaning with This rust preventative works extremely well, but it these products.
site considerations Weight Load Physical Environment Refer to the Machine Data Sheet for the weight The physical environment where the machine is of your machine. Make sure that the surface upon operated is important for safe operation and lon- which the machine is placed will bear the weight gevity of machine components.
lifting & placing 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. heavy lift! straining or crushing injury may occur from improperly lifting machine or some of its parts.
Flat Washer precision level. Lathe Silicon Chip Pan Workbench Flat Washer Hex Bolt figure 16. example of a through mount setup. figure 15. grizzly Model h2683 12" Master Machinist's level. -21- Model G0602/G0752 (Mfg. Since 11/12)
assembly power connection With the exception of the handwheel handles, the Before the machine can be connected to the lathe is shipped fully assembled. power source, an electrical circuit and connec- tion device must be prepared per the poWer to install the handwheel handles, thread the large supply section in this manual, and all previ- handle into the carriage handwheel and the small ous setup instructions in this manual must be...
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to test run your machine: half nut Make sure the spindle direction switch (see lever figure 18) is turned to stop, and press the emergency stop button. Disengaged Halfnut Lever emergency Button stop Button Engaged spindle direction switch figure 19. half nut lever in the disengaged pointing to stop position.
spindle break-in recommended adjustments Before subjecting the lathe to full loads, it is essen- tial to complete the spindle break-in process. this For your convenience, the adjustments listed will ensure the best results and maximum life of below have been performed at the factory. the precision components inside the lathe.
chuck & faceplate installation & mounting removal devices this lathe is equipped with a threaded spindle Because chucks are heavy and often awkward to nose. With this type of spindle, a chuck or face- hold, some kind of support or protective device plate is screwed directly onto the spindle nose.
chuck installation insert the chuck wrenches as shown in figure 22, and tighten the chuck until it is seated snug against the spindle shoulder. to ensure accurate work, it is extremely important to make sure the spindle nose and chuck mating surfaces are clean.
chuck removal changing Jaw set tools needed: tools needed: Chuck Wrenches ..........2 Chuck Wrench ........... 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 move in unison to center disConneCt lAthe FroM poWer! a concentric workpiece.
scroll chuck to change the jaw set: clamping disConneCt lAthe FroM poWer! place a piece of plywood over the bedways to protect them from potential damage. the 3-jaw scroll-type chuck has an internal scroll-gear that moves all jaws in unison when insert the chuck key and turn it counterclock- adjusted with the chuck key.
4-Jaw chuck 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 refer to the chuck installation (see page 27) in figure 30. and chuck removal (see page 28) instructions to install or remove the 4-jaw chuck.
faceplate to mount a non-concentric workpiece to the faceplate: disConneCt lAthe FroM poWer! refer to the chuck installation (see page 27) and chuck removal (see page 28) instructions protect the bedway with a piece of plywood. to install or remove the faceplate. With help from another person or a holding the faceplate included with your lathe can be device to support the workpiece, position it...
tailstock 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 the tailstock (see figure 33) is typically used to 34–35 for examples). support long workpieces by means of a live or dead center (refer to centers on page 36).
to install tooling in the tailstock: to offset the tailstock: With the tailstock locked in place, unlock the loosen the tailstock lock nut (see figure 36). quill, then use the handwheel to extend it approximately 1". thoroughly clean and dry the tapered mating tailstock surfaces of the quill and the center, making lock nut...
aligning tailstock to spindle note: As long as this dead center remains in centerline the chuck, the point of the center will remain true to the spindle centerline. The point will this is an essential adjustment that should be ver- have to be refinished whenever the center is ified or performed each time the tailstock is used removed and then returned to the chuck.
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use calipers to measure both ends of the — if 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 taper (see figure 41). —...
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 figure 42 shows one of the two included Mt#3 higher speeds. dead centers and the Mt#4 dead center.
removing center from spindle use the quill handwheel to feed the quill out of the casting approximately 1" (see figure 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). note: The maximum quill travel is 2 ⁄...
steady rest mounting Workpiece between centers disConneCt lAthe FroM poWer! the steady rest supports long shafts and can drill center holes in both ends of the workpiece. be mounted anywhere along the length of the bedway. install a dead center in the spindle with a lathe dog and a chuck or faceplate, then Familiarize yourself with the steady rest compo- install a live center or carbide-tipped dead...
follow rest compound rest the follow rest mounts to the saddle with two cap the compound rest handwheel has an indirect- screws (see figure 47). it is used on long, slender read graduated scale. this means the distance parts to prevent workpiece deflection from cutting shown on the scale represents the actual distance tool pressure during operation.
four-Way tool post aligning cutting tool with spindle centerline For most operations, the cutting tool tip should be the four-way tool post is mounted on top of the aligned with the spindle centerline, as illustrated compound rest and allows a maximum of four ⁄...
manual feed tools needed hex Wrench 6mm ..........1 steel shims ........As needed Cutting tool ............1 the handwheels shown in figure 53 allow the tailstock Center ..........1 operator to manually move the cutting tool. to align the cutting tool with the tailstock center: Compound rest handwheel...
spindle speed 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- using the correct spindle speed is important for ing the V-belt(s) between the pulleys. safe and satisfactory results, as well as maximiz- ing tool life.
the 33" belt is used on pulleys A and C (see 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 not used locking nut...
power feed Follow along with this example for setting the spindle speed for the Model g0752 to gain a bet- ter understanding of this task. the carriage has power feed capability when it to set the spindle speed to 150 rpm: is engaged with the lead screw.
setting power feed rate note: All change gears are stamped with the number of teeth they have. the feed rate chart on the headstock displays the settings for the feed controls for inch feed rates. Move the lash adjuster so the gear backlash is between 0.003"...
threading open the change gear cover, loosen the lash adjuster (figure 61 on page 45) and swing the change gear assembly out of the way. the following subsections describe how to use remove the e-clips and cap screw from the the threading controls and charts to set up the change gears.
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. Metric thread Chart = 0.45 tpmm figure 63.
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POSITION all other tpi the following examples explain how to use the thread dial chart. For all other tpi's, use numbered lines 1 or 7 or non-numbered lines 4 or 10 on the thread dial 9, 12, 18, 24, 36, 48, 72 tpi (see figure 68).
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76. iso 68 and iso 32 machine oil. 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. www.grizzly.com 1-800-523-4777 order online at or call -50- Model G0602/G0752 (Mfg. Since 11/12)
section 6: maintenance daily, after operations • turn the spindle direction switch to stop, always disconnect power and press the emergency stop button (to to the machine before prevent accidental startup). performing maintenance. • Vacuum/clean all chips and swarf from bed failure to do this may and slides.
Quick-change gearbox oil type ..grizzly t23962 or iso 68 equivalent reservoir Capacity ........1 Quart the lathe has numerous metal-to-metal sliding Check/Add Frequency ......... daily surfaces that require regular lubrication to main- Change Frequency ........ Annually tain smooth movement and ensure long-lasting operation.
..grizzly t23963 or iso 32 equivalent oil Amount ........ 1 or 2 squirts/Fill lubrication Frequency ......... daily Ball this lathe has 10 ball oilers that should be oiled oilers on a daily basis before beginning operation.
& carriage rack compound slide oil type ..grizzly t23962 or iso 68 equivalent oil type ..grizzly t23962 or iso 68 equivalent oil Amount ......... As needed oil Amount ..........thin Coat lubrication Frequency ......... daily lubrication Frequency ......... daily...
change gears to lubricate the change gears: grease type ..........nlgi#2 disConneCt lAthe FroM poWer! oil Amount ..........thin Coat Frequency ....Annually or When Changing open the change gear cover and remove all the change gears shown in figure 86. the change gears, shown in figure 86, should always have a thin coat of heavy grease to Clean the change gears thoroughly with min- minimize corrosion, noise, and wear.
machine storage 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 to prevent the development of rust and corrosion, have been loosened or removed.) the lathe must be properly prepared if it will be stored for a long period of time.
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 &...
operation symptom possible Cause possible solution entire machine 1. Workpiece is unbalanced. 1. re-install workpiece as centered with the spindle vibrates upon bore as possible. startup and while 2. Workpiece is hitting stationary object. 2. stop lathe immediately and correct interference running.
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symptom possible Cause possible solution Workpiece is 1. headstock and tailstock are not properly 1. re-align the tailstock to the headstock spindle tapered. aligned with each other. centerline (see page 34). Chuck jaws will 1. Chips lodged in the jaws or scroll plate. 1.
backlash adjustment cross slide tools needed: hex Wrench 4mm ..........1 hex Wrench 5mm ..........1 Backlash is the amount of free play felt while open-end Wrench 14mm ........1 changing rotation directions with the handwheel. this can be adjusted on the compound rest and the cross slide backlash is adjusted by loos- cross slide leadscrews.
gib adjustment Compound slide Adjustment Fasteners 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;...
v-belt tension & lock Bolt 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 tensioner become cracked, frayed, or glazed. on the Model g0602, the low range V-belt ten- figure 94.
to tension the model g0602 high range —if the low range belt between pulleys b and v-belt: c (see figure 97) needs to be replaced, loosen the tensioner lock nut (see figure Follow steps 1–3 in "tensioning timing Belt" 93 on page 63), move the tensioner down, on page 65.
timing belt tension & replacement Pulley Deflection on the Model g0602 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 Pulley replace it.
Technical source. Support at (570) 546-9663. The photos and diagrams included in this section are best viewed in color. You can view these pages in color at www.grizzly.com. -66- Model G0602/G0752 (Mfg. Since 11/12)
g0602 electrical components figure 101. spindle direction switch and on figure 104. spindle direction switch and button. emergency stop switch. figure 102. electrical box. figure 105. Magnetic contactor. figure 103. Motor connection detail. READ ELECTRICAL SAFETY -68- Model G0602/G0752 (Mfg. Since 11/12) ON PAGE 66!
g0752 motor Wiring diagram Motor 1HP 220V 3PH Motor Fan 110 VAC 110V 30W 1PH 5-15 Plug (As Recommended) Neutral Ground Ground to Wiring to Wiring to Wiring page 69 page 69 page 69 figure 113. left motor junction box. figure 114.
section 9: parts spindle & drive belt 54-3 54-4 54-2 (G0602) 54-1 55-2 (G0752) (G0602) (G0602) LEFT REAR VIEW (G0602) 55-3 (G0752) 55-1 -74- Model G0602/G0752 (Mfg. Since 11/12)
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We do our best to stock replacement parts whenever possible, but 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.
apron G0752 Only 108 109 126-1 G0602 Only REF PART # DESCRIPTION REF PART # DESCRIPTION PRP19M ROLL PIN 4 X 14 P0602126 THREAD DIAL BODY P0602102 HALF-NUT 2-PC 126-1 P0602126-1 THREAD DIAL ASSY P0602103 DOWEL PIN 5 X 12 P0602127 SIDE GEAR 48T P0602104...
bed & leadscrew REF PART # DESCRIPTION REF PART # DESCRIPTION P0602401 P0602409 BACK SPLASH P0602402 RACK P0602410 STUD-SE M10-1.5 X 45, 35 PCAP33M CAP SCREW M5-.8 X 12 PN02M HEX NUT M10-1.5 P0602404 LONGITUDINAL LEADSCREW PSS44M SET SCREW M8-1.25 X 40 P0602405 LEADSCREW END BRACKET PW01M...
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MODEL G0752 BEFORE SPINDLE BEFORE EYE/FACE READ and UNDERSTAND MODEL G0752 FOR GRIZZLY MACHINES ONLY! DO NOT REPRODUCE OR CHANGE THIS ARTWORK instruction manual to INJURY HAZARD! avoid serious injury. If a CHECK OIL Always wear safety manual is not available,...
Would you recommend Grizzly Industrial to a friend? _____ Yes _____No 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.
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FOLD ALONG DOTTED LINE Place Stamp Here GRIZZLY INDUSTRIAL, INC. P.O. BOX 2069 BELLINGHAM, WA 98227-2069 FOLD ALONG DOTTED LINE Send a Grizzly Catalog to a friend: Name_______________________________ Street_______________________________ City______________State______Zip______ 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.