Grizzly g0746, g0749 owner manual Feed, Lever

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9.To ensure the carriage components do not unexpectedly move during the following steps, disengage the half nut lever, feed lever, and feed selection lever (see Figure 29).

 

Feed

 

Selection

Feed

Lever

Lever

 

Half Nut

 

Lever

 

Disengaged

Halfnut

Feed

Lever

Lever

Engaged

 

Cross Slide

 

Disengaged

Feed Selection

 

Lever

Carriage

 

Figure 29. Disengaging carriage components.

10.Turn the spindle ON by pulling the spindle lever out and moving it down (see Figure 30). Verify that the machine is operating correctly.

Spindle

Lever

Figure 30. Spindle lever in down (forward)

position.

-30-

—When operating correctly, the lathe runs smoothly with little or no vibration or rubbing noises.

—investigate and correct strange or unusual noises or vibrations before operating the machine further. Always disconnect the machine from power when investigating or correcting potential problems.

11.With the spindle lever in the down position, verifythespindleisrotatingcounterclockwise—­ down and toward the front of the lathe.

—if the spindle and chuck are not rotating counterclockwise, the power supply may be connected out-of-phase. Stop the spindle, disconnect lathe from power, then follow the instructions in the Correcting Phase Polarity section on Page 19. After correcting the wiring, repeat Steps 9–11.

12.press the EMERGENCY STOP button to turn the lathe OFF, then, without resetting the EMERGENCY STOP button, try to restart spindle rotation. The spindle should not start.

—If spindle rotation does start with the EMERGENCY STOP button pressed in, the EMERGENCY STOP button safety is not operating correctly. This safety feature must operate properly before continuing operation. Use the spindle lever to stop the lathe, disconnect it from power, and call Tech Support for help.

13.Move the spindle lever to the middle (OFF) position, and reset the EMERGENCY STOP button by twisting it clockwise until it pops out.

14.restart spindle rotation.

15.push the foot brake. The spindle should come to a quick stop.

—if the brake pedal has no effect on the lathe, push the EMERGENCY STOP but- ton and call Tech Support for help.

Model G0746/G0749 (Mfg. Since 3/13)

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Contents
GEAR-HEAD Lathe Page Table of Contents 113 117Contact Info IntroductionMachine Description Manual Accuracy Identification Master Power Switch Controls ComponentsCarriage TailstockControl Panel Safety Foot Brake End GearsMachine Data Sheet Tailstock Info Construction Model G0749 16 X 40 Heavy Duty Lathe 13-3/4 12.75 qt Safety Safety Instructions for MachineryPage Additional Safety for Metal Lathes Additional Chuck Safety Circuit Requirements for AvailabilityFull-Load Current Rating Correcting Phase Polarity To correct the phase polarity of the incoming power supplyConnection Type Grounding InstructionsSetup Needed for SetupPreparation UnpackingPackaged Components Figure InventoryMain Components Figure Qty Basic steps for removing rust preventative CleanupBefore cleaning, gather the following Site Considerations To lift and move the lathe Lifting & PlacingHEAvy LifT Machine Base Concrete Anchoring to Floor LevelingAnchoring to Concrete Floors Assembly Location of headstock jack screwsLubricating Lathe Power Connection Adding CoolantTo connect lathe to power Test RunTest run consists of verifying To test run your machineEmergency Feed LeverSpindle Break-In Recommended AdjustmentsFactory adjustments that should be verified Operations Operation OverviewTo install the camlock studs Chuck & PlateTo install the chuck Installation Removal DevicesChuck Installation Registration Marks Registration mark locationsTo remove the chuck Chuck RemovalScroll Chuck Clamping Changing Jaw Set To change the jaw setJaw Chuck Mounting WorkpieceDrive Plate FaceplateUsing Quill Installing ToolingTailstock Positioning TailstockOffsetting Tailstock To install tooling in the tailstockRemoving Tooling To offset the tailstockTo align the tailstock to the spindle center- line Aligning Tailstock to Spindle CenterlineItems Needed Qty Centers Dead CentersLive Centers Mounting Dead Center in SpindleRemoving Center from Spindle Mounting Center in TailstockRemoving Center from Tailstock Mounting Workpiece Between CentersTools Needed Qty To install and use the steady restSteady Rest Follow Rest Carriage & Slide LocksTo install a tool in the tool post Compound Rest Four-Way Tool PostTool Needed Qty To set the compound rest at a certain angleAligning Cutting Tool with Spindle Centerline Below are two common methodsTo align the cutting tool with the tailstock center Top ViewMicrometer Stop Manual FeedCarriage Handwheel Cross Slide HandwheelDetermining Spindle Speed Setting Spindle SpeedSpindle Speed Power Feed Configuration ExamplePower Feed Controls Dial Selection Lever Setting Power Feed RateLeadscrew UP Primary Configuration Secondary ConfigurationAlternate Configuration End GearsEnd-Gear Configuration Example To configure end gears for threading 16 TPITo set levers and dials for 16 TPI ThreadingHeadstock Threading Controls Apron Threading Controls Thread DialThread Dial Chart Thread dial chartPitch Turning Headstock Pitch Turning ControlsFor example To set levers and dials for 1.25 MPLeadscrew UP Coolant System Biological & Poison HazardChip Drawer Chip drawer Model G0746/G0749 Mfg. Since 3/13Accessories G0688-Tool Post GrinderH6095-Digital Readout DRO H7991-Mini Mag Base Indicator SetT10118-Tailstock Digital Readout Schedule MaintenanceCleaning/Protecting Headstock LubricationLubrication Frequency Quick-Change Gearbox To change the headstock oilLongitudinal Leadscrew ApronOne-Shot Oiler Ball Oilers Ball OilersHandling & Care Coolant System Service HazardsAdding Coolant Changing CoolantSee Hazards on To add coolantBringing Lathe Out of Storage Machine StoragePreparing Lathe for Storage Service TroubleshootingSymptom Possible Cause Possible Solution Motor & ElectricalLathe Operation Symptom Possible Cause Possible Solution Cross Slide Backlash AdjustmentCompound Rest Leadscrew End-Play Adjustment Gib AdjustmentTo adjust the cross slide gib Cross Slide GibCompound Slide Gib Saddle GibTo adjust the saddle slide gib BeltsTensioning V-Belts To tension the V-BeltsReplacing V-Belts Brake & Switch Adjusting BrakeGap Removal Gap Insert Removal InstallationReplacing Brake Gap Installation Wiring Wiring Safety InstructionsElectrical Cabinet & Motors Circuit Diagram Control Rod PartsControl Rod & Brake Control Rod & Brake Parts List DescriptionBody G0746-49 Bed & Body Parts List Gears Headstock Gears Parts List DescriptionFeed Direction Control Left Spindle Speed HeadstockControls Headstock Controls Parts List DescriptionChange Quick-Change Gearbox Parts List PR12M EXT Retaining Ring 35MM 100 Model G0746/G0749 Mfg. Since 3/13 Saddle Saddle Parts List Slides REF DescriptionApron 104 Model G0746/G0749 Mfg. Since 3/13Apron Parts List PCAP26M CAP Screw M6-1 X Model G0746/G0749 Mfg. Since 3/13 107 Tailstock Leadscrew Electrical Cabinet 1601 1603 1611 1604 1605 1608 1602 1606 1607 1609 1610Accessories Front Machine Labels Rear Machine Labels Appendix ThreadingDiametral & Modular Pitch Chart Warranty Card CommentsGrizzly INDUSTRIAL, INC BOX BELLINGHAM, WAWarranty & Returns
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