Grizzly g0749, g0746 owner manual Spindle Break-In, Recommended Adjustments

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16.Move the spindle lever to the middle (OFF) position. Open the end-gear cover on the left side of the headstock. This activates a safety switch that should prevent the spindle from starting while this cover is open.

Note: Remove the cap screw on the front of the cover to open it.

17.stand away from all the exposed gears on the side of the headstock, and attempt to start spindle rotation. The spindle should not start.

—if spindle rotation does start with the end- gear cover open, the safety switch is not operating correctly. This safety feature must operate properly before continuing operation. Press the EMERGENCY STOP button to turn the lathe OFF, disconnect it from power, and call Tech Support for help.

18.Move the spindle lever to the OFF position, then close the end-gear cover.

19.Use the cutting fluid pump switch on the con- trol panel to start the pump (see Figure 26 on Page 29), then open the valve. Verify that the cutting fluid flows from the nozzle, then turn the pump OFF.

Congratulations! The test run is complete. Perform the following Spindle Break-Inprocedure.

Spindle Break-In

Before subjecting the spindle to operational loads, it is essential to complete the break-in process. this helps ensure maximum life of spindle bear- ings and other precision components by thor- oughly lubricating them before placing them under load.

after spindle break-in is complete, we recommend changing headstock and gearbox oil to remove any metal particles or debris that are present from the assembly and break-in process.

the break-in must be performed in succession with the Test Run procedure described in this manual, as the steps in that procedure prepare the lathe controls for the break-in process.

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

DO NOT perform this procedure indepen- dently of the Test Run section. The lathe could be seriously damaged if the controls are set differently than instructed in that section.

To perform the spindle break-in:

1.successfully complete the Test Run proce- dure beginning on Page 28.

2.run the lathe for 5 minutes in each direction at 24 RPM (first forward and then reverse).

3.repeat Step 2 for the remaining RPM rang- es, progressively increasing in RPM. When these steps are complete, the lathe is broken in.

Congratulations! Spindle break-in is complete. We recommend changing the headstock and gearbox oil before operating the machine further (refer to Lubrication on Page 67).

Recommended

Adjustments

The following adjustments have been made at the factory. However, because of the many variables involved with shipping, we recommend you verify these adjustments to ensure the best results:

Factory adjustments that should be verified:

•tailstock alignment (see Page 42).

•Cross slide and compound slide backlash adjustment (see Page 78).

•gib adjustments (see Page 79).

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Contents GEAR-HEAD Lathe Page Table of Contents 117 113Introduction Machine Description Manual AccuracyContact Info Identification Controls Components Master Power SwitchTailstock CarriageEnd Gears Control Panel Safety Foot BrakeMachine Data Sheet Tailstock Info Construction Model G0749 16 X 40 Heavy Duty Lathe 13-3/4 12.75 qt Safety Instructions for Machinery SafetyPage Additional Safety for Metal Lathes Additional Chuck Safety Availability Full-Load Current RatingCircuit Requirements for To correct the phase polarity of the incoming power supply Correcting Phase PolarityConnection Type Grounding InstructionsNeeded for Setup SetupPreparation UnpackingInventory Main Components Figure QtyPackaged Components Figure Cleanup Before cleaning, gather the followingBasic steps for removing rust preventative Site Considerations Lifting & Placing HEAvy LifTTo lift and move the lathe Anchoring to Floor Leveling Anchoring to Concrete FloorsMachine Base Concrete Location of headstock jack screws AssemblyAdding Coolant Lubricating Lathe Power ConnectionTest Run To connect lathe to powerTest run consists of verifying To test run your machineEmergency Lever FeedRecommended Adjustments Factory adjustments that should be verifiedSpindle Break-In Operation Overview OperationsChuck & Plate To install the camlock studsInstallation Removal Devices Chuck InstallationTo install the chuck Registration mark locations Registration MarksChuck Removal Scroll Chuck ClampingTo remove the chuck To change the jaw set Changing Jaw SetMounting Workpiece Jaw ChuckFaceplate Drive PlateInstalling Tooling Using QuillTailstock Positioning TailstockTo install tooling in the tailstock Offsetting TailstockRemoving Tooling To offset the tailstockAligning Tailstock to Spindle Centerline Items Needed QtyTo align the tailstock to the spindle center- line Dead Centers CentersMounting Dead Center in Spindle Live CentersRemoving Center from Spindle Mounting Center in TailstockMounting Workpiece Between Centers Removing Center from TailstockTo install and use the steady rest Steady RestTools Needed Qty Carriage & Slide Locks Follow RestCompound Rest Four-Way Tool Post To install a tool in the tool postTool Needed Qty To set the compound rest at a certain angleBelow are two common methods Aligning Cutting Tool with Spindle CenterlineTo align the cutting tool with the tailstock center Top ViewManual Feed Micrometer StopCarriage Handwheel Cross Slide HandwheelSetting Spindle Speed Spindle SpeedDetermining Spindle Speed Configuration Example Power FeedPower Feed Controls Setting Power Feed Rate Leadscrew UPDial Selection Lever Secondary Configuration Primary ConfigurationAlternate Configuration End GearsTo configure end gears for threading 16 TPI End-Gear Configuration ExampleThreading Headstock Threading ControlsTo set levers and dials for 16 TPI Thread Dial Apron Threading ControlsThread dial chart Thread Dial ChartHeadstock Pitch Turning Controls Pitch TurningFor example To set levers and dials for 1.25 MPLeadscrew UP Biological & Poison Hazard Coolant SystemChip drawer Model G0746/G0749 Mfg. Since 3/13 Chip DrawerG0688-Tool Post Grinder AccessoriesH7991-Mini Mag Base Indicator Set T10118-Tailstock Digital ReadoutH6095-Digital Readout DRO Maintenance Cleaning/ProtectingSchedule Lubrication Lubrication FrequencyHeadstock To change the headstock oil Quick-Change GearboxApron One-Shot OilerLongitudinal Leadscrew Ball Oilers Ball OilersHandling & Care Hazards Coolant System ServiceChanging Coolant Adding CoolantSee Hazards on To add coolantMachine Storage Preparing Lathe for StorageBringing Lathe Out of Storage Troubleshooting ServiceSymptom Possible Cause Possible Solution Motor & ElectricalLathe Operation Symptom Possible Cause Possible Solution Backlash Adjustment Compound RestCross Slide Gib Adjustment Leadscrew End-Play AdjustmentTo adjust the cross slide gib Cross Slide GibSaddle Gib Compound Slide GibBelts To adjust the saddle slide gibTensioning V-Belts To tension the V-BeltsReplacing V-Belts Adjusting Brake Brake & SwitchGap Insert Removal Installation Replacing BrakeGap Removal Gap Installation Wiring Safety Instructions WiringElectrical Cabinet & Motors Circuit Diagram Parts Control Rod & BrakeControl Rod Description Control Rod & Brake Parts ListBody G0746-49 Bed & Body Parts List Gears Description Headstock Gears Parts ListHeadstock ControlsFeed Direction Control Left Spindle Speed Description Headstock Controls Parts ListChange Quick-Change Gearbox Parts List PR12M EXT Retaining Ring 35MM 100 Model G0746/G0749 Mfg. Since 3/13 Saddle Saddle Parts List REF Description Slides104 Model G0746/G0749 Mfg. Since 3/13 ApronApron Parts List PCAP26M CAP Screw M6-1 X Model G0746/G0749 Mfg. Since 3/13 107 Tailstock Leadscrew 1601 1603 1611 1604 1605 1608 1602 1606 1607 1609 1610 Electrical CabinetAccessories Front Machine Labels Rear Machine Labels Threading AppendixDiametral & Modular Pitch Chart Comments Warranty CardBOX BELLINGHAM, WA Grizzly INDUSTRIAL, INCWarranty & Returns
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