Grizzly G9249 owner manual Spindle Break-In, Recommended Adjustments

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Spindle Break-In

NOTICE

Successfully complete all of the spindle break-in steps to avoid rapid deterioration of the spindle bearings and other related parts.

To correctly break-in the spindle bearings:

1.DISCONNECT LATHE FROM POWER!

2.Make sure the lathe is properly lubricated (refer to Lubrication on Page 47 for detailed instructions).

3.Set the motor and drive belts for the lowest spindle speed and engage the back gear (refer to Spindle Speed on Page 34 for detailed instructions).

4.Disengage the power feed by moving the feed rod/leadscrew lever to the neutral (cen- ter) position (refer Headstock Controls on

Page 20.

5.Re-connect the machine to power.

6.Pull up on the spindle direction lever to start spindle rotation counterclockwise. Let the lathe run for a minimum of 10 minutes.

7.Stop the spindle rotation and allow the spin- dle to come to a complete stop.

8.Push down on the spindle direction lever to start spindle rotation counterclockwise. Let the lathe run for a minimum of 10 minutes.

9.Stop the spindle and disconnect the machine from power.

10.Repeat Steps 6–8for each of the spindle speeds.

11.Turn the lathe OFF. The spindle break-in is complete and your lathe is ready for opera- tion.

G9249 12" x 37" Belt Drive Gap Bed Lathe

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 in the SERVICE section starting on Page 53.

Factory adjustments that should be verified:

•Gib adjustment (Page 56)

•Tailstock alignment (Page 28) and lock adjustment (Page 57)

•Cross slide backlash (Page 57)

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Contents Model G9249 Ss ,EAD from Leadbased PAINTS Table of Contents Introduction Foreword Functional OverviewContact Info Identification Machine Data Sheet Tailstock Info Other Specifications !,7!93 53%3 %!2.2 02/4%#4/ %. /0%2!4.! -!#.%29 !,7!93 53% !.3 !002/6%$$ 3!&%49 ,!33%33 7%. /0%2!4 53%3 2%#/--%.$%$- !##%33/2%3 53%3!!2/5.$%$ %84%.3/..#/2$ 2!4%$4&/2/4%-!#.%!-0%2!%2 -!.9 -!#.%3 #!. %*%#4 7/2+0%#%3 4/7!2$ /0%2!4/2 !,7!93 ,/#+ -/,% !3%3 & 53%$ % %&/2% /0%2!4. -!#.%29#Additional Safety Instructions For Metal Lathes 220V Operation Circuit RequirementsSetup Safety SetupItems Needed for Setup UnpackingBox 1 Inventory Figure Qty InventoryBox 2 Inventory Figure Qty Left Cabinet Stand Clean UpPlacement Location Lathe Assembly PlacementSite Considerations Floor LoadLoosening the carriage lock bolt Using Machine Mounts Mounting to Shop FloorBolting to Concrete Floors Test Run Check Gearbox OilTo test run the machine Lubrication subsection onMERGENCYG3TOP Utton Recommended Adjustments Factory adjustments that should be verifiedSpindle Break-In Operations Operation SafetyBasic Controls Headstock ControlsTailstock Controls Carriage ControlsChuck & Faceplate Mounting/Removal Tools Needed QtyTo remove a chuck or faceplate Mounting a Chuck or Faceplate Mounting a WorkpieceUsing the 3-Jaw Chuck To remove and install the jawsTo mount a workpiece in the 3-jaw chuck To mount a workpiece on the 4-jaw chuck Using the 4-Jaw ChuckInstalling a Sleeve and Center into the Spindle Using the FaceplateCenters To mount a workpiece on the faceplateInstalling a Tapered Tool into the Quill TailstockRemoving a Sleeve and Center from the Spindle To set up the tailstock to cut a shallow taper Offsetting TailstockAligning Tailstock To align the tailstock with the headstockStep To set up the tailstock for drilling Drilling with TailstockTo remove a tapered drill arbor or drill bit Steady Rest To install and use the steady restFollow Rest Cross SlideHandwheel Dial Increments Tool Posts Compound SlideTo set the compound slide angle To load and use the 4-way tool postConfiguring the V-Belts and Back Gear Spindle SpeedCalculating the Correct Spindle RPM To disengage the back gears To engage the back gearsPower Feed Setting Feed Rate Recommended Feed RatesTo set the feed rate Change Gears To re-configure the change gearsChange gear. G9249 12 x 37 Belt Drive Gap Bed Lathe Side Front ViewTo cut threads Threading OperationEdhidc H3022-Measurement Tool Set AccessoriesH2670-HSS Square Tool Bits Pc. Carbide Tipped Tool Bit SetsH5936-2 Pc. Knurling Tool Set H2996-Double Ended Boring BarG1070-MT3 Live Center Set H6879-Lathe Operation & Maintenance BookMaintenance Cleaning ProtectingSchedule Spindle Bearing Oil LubricationLubricant Frequency Qty To add oil to the spindle bearing reservoirsHeadstock Idler Pulley Shaft Headstock Change GearsHeadstock Gears Headstock Spindle Pulley ShaftFeed Rate Gears Apron GearboxTo lubricate the feed rate gears Back Gear Shaft Ball OilersTo adjust the motor V-belt tension Adjusting Motor V-BeltTensioning Replacing V-Belts Replacing Motor V-BeltSpindle V-Belt Power Twist V-Belt G9249 12 x 37 Belt Drive Gap Bed LatheService TroubleshootingMotor & Electrical Faceplate Operations Adjusting Gibs To adjust the saddle gibTo adjust the cross slide and compound slide gibs To adjust the cross slide backlash To adjust the tailstock lockTailstock Lock Cross Slide BacklashSpindle Bearing Preload Gap RemovalDisconnect Lathe from Power To confirm that the bearings are correctly pre- loaded To remove/install the brass tips To remove/install the rest fingersRest Finger Tips Type of Finger Tip Part NumberTo adjust the half-nut guide bar Adjusting Half-NutElectrical Safety Instructions WiringDiagram on Wiring OverviewControl Panel MotorElectrical Cabinet Wiring Diagram Box Control Panel & Motor Wiring DiagramsBed PartsHeadstock Figured Flat NUT M8-1.25 Headstock Parts ListBushing Feed Rate Gearbox Feed Rate Gearbox Parts List Apron Apron Parts List + + Carriage Parts List #* #+ Spindle Lever Change Gear Cover Complete Steady Rest Complete Follow Rest Electrical Cabinet Electrical Cabinet Parts List Cabinet Stand Accessories Label Placement 22!.49 #!2$ 99.$5342!, .# 0//88 %,,.!- 7! Warranty and Returns #ALL 4ODAYD&ORO! &2%%