Grizzly G0621 owner manual Tensioning/Replacing V-Belts

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Tensioning/Replacing V-Belts

1.Follow all previous instructions for Accessing V-Belts.

2.Loosen the motor mount bolts shown in Figure 45.

Motor

Hinge Bolt

Motor

Adjustment

Bolt

Figure 45. Motor mount bolts.

3.Loosen the idler pulley mounting nut behind the cap shown in Figure 46.

Idler Pulley

Mounting

Nut

(behind cap)

4.Pivot the motor and slide the idler pulley to loosen the V-belts.

5.Remove old V-belts and install the new V- belts.

6.Slide the idler pulley down to tighten the lower wheel V-belt, hold pressure on the idler pulley, then tighten the mounting nut.

7.Check the wheel pulley V-belt for correct ten- sion. Retension if necessary before continu- ing.

8.Pivot the motor to tighten the motor V-belt, hold pressure on the motor, then tighten the motor adjustment bolt.

9.Check the motor V-belt for correct tension. Retension if necessary before continuing.

10.When the belt tension is correct, tighten the motor hinge bolt.

11.Replace the pulley cover, lower wheel, and blade; then close the lower wheel cover.

Figure 46. Location of idler pulley mounting nut.

—If you only need to retension the V-belts, skip to Step 6.

—If you need to replace the V-belts, continue with Step 4.

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G0621 Wood/Metal Bandsaw

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Contents Model G0621 WOOD/METAL Bandsaw Page Table of Contents Introduction ForewordContact Info Machine Data Sheet G0621 Wood/Metal Bandsaw Identification Safety G0621 Wood/Metal Bandsaw Additional Safety Instructions for Bandsaws 220V Single-Phase Circuit RequirementsItems Needed for Setup SetupSetup Safety UnpackingInventory Main Components Figure QtyFasteners and Tools not shown Qty Hardware Recognition Chart Site Considerations Clean UpPlacement Location Floor LoadAssembly To assemble the bandsawPage Dust port installation G0621 Wood/Metal Bandsaw Dust Collection Blade Tracking To connect a vacuum hoseTo center track the blade Test Run Changes in the blade tension may change the blade trackingTensioning Blade Adjusting Support BearingsTo adjust the support bearings To tension the bandsaw bladeG0621 Wood/Metal Bandsaw Adjusting Blade Guides To adjust the upper and lower blade guidesTo set the positive stop 90˚ to the blade Adjusting Positive StopSetting Table Tilt Scale to 0˚ To calibrate the pointer on the table tilt scaleTo align the miter slot parallel to the bandsaw blade Aligning TableAligning Fence To align the fence parallel with the miter slotOperation Safety Basic Controls OperationsStraight Cuts Workpiece Inspection WoodOverview Irregular CutsTo tilt the table Table TiltGuide Post Positive stop must be removed to move the table to the leftRippingCrosscutting To make a rip cutTo make a 90˚ crosscut Resawing Typical resawing operationCutting Curves Stacked Cuts To complete a stacked cutBlade Width Blade Selection Wood CuttingBlade Length Tooth StyleBlade Breakage Tooth PitchBlade Care Most common causes of blade breakage areBlade Selection Metal Cutting To select the correct blade TPIBlade Changes To replace the bladeScale Calibration To calibrate the scaleG7315-Super Heavy-Duty Mobile Base AccessoriesGrizzly Bandsaw Blades G1928-Bandsaw HandbookSchedule MaintenanceCleaning LubricatingService TroubleshootingMotor & Electrical Cutting Operations MiscellaneousAccessing V-Belts Servicing V-BeltsChecking V-Belts Tensioning/Replacing V-Belts Shimming Table Blade Lead To shim the tableTo skew your fence Wheel Alignment Verifying Upper/Lower Wheels are CoplanarAdjusting Lower Wheel To adjust the lower wheelShimming Upper Wheel Electrical Component Wiring Motor junction box wiringWiring Diagram Breakdown Main Parts List DescriptionTable/Blade Guides Parts Breakdown Secondary Parts Breakdown Stand Parts Breakdown Fence Parts Breakdown Safety Labels Parts Breakdown Warranty and Returns Page Page Page