Grizzly G0668 owner manual Redressing Rubber Tires, Lubrication, To redress the rubber tires

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redressing

Redressing Rubber

Tires

As the bandsaw ages, the rubber tires on the wheel may need to be redressed if they become hardened or glazed over. Redressing the rubber tires improves blade tracking and reduces vibra- tion/blade lead.

If the rubber tires become too worn, then blade tracking will become extremely difficult. At that point, redressing will no longer be effective, and the rubber tires must be replaced.

To redress the rubber tires:

1.DISCONNECT BANDSAW FROM POWER!

2.Put on heavy gloves and remove the blade.

3.Use a brush and shop vacuum to clean any chips and built-up oil or sludge from the rub- ber tires.

4.Hold a piece of 100-grit sandpaper against the rubber tire and rotate the wheel by hand. Only redress the rubber enough to expose a fresh rubber surface.

When the leadscrew and rack are thoroughly clean and dry, brush a light coat of automotive-grade multi-purpose grease on the tension leadscrew and guide post rack to maintain smooth operation (see Figure 39).

Guide Post Rack

Tension

Leadscrew

Figure 39. Tension leadscrew and guide post

rack.

If the table becomes difficult to tilt, position it so that you use the same process described above to clean the metal surfaces of the trunnion and table. Then brush a thin coat of automotive-grade multi-purpose grease on the trunnion surfaces (see Figure 40). Tilt the table back and forth to distribute the grease.

Lubrication

The bearings on your bandsaw are factory lubri- cated and sealed. Merely leave them alone unless they need to be replaced.

Before lubricating the tension leadscrew or guide post rack, wipe as much of the old grease off as possible. The old grease will be contaminated with metal dust and increase the wear of the metal sur- faces. Use mineral spirits or the degreaser shown in Figure 4 on Page 12 to clean any remaining grease off, making sure to thoroughly wipe off the degreaser or mineral spirits that may contaminate the new grease.

G0668 20" Vertical Metal-Cutting Bandsaw

Trunnion

Surfaces

Figure 40. Table tilted to expose trunnion

surfaces.

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Contents Model G0668 Vertical METAL-CUTTING Bandsaw Page Table of Contents Contact Info IntroductionForeword Machine Data Sheet G0668 20 Vertical Metal-Cutting Bandsaw Identification Control Panel Identification Safety Instructions for Machinery G0668 20 Vertical Metal-Cutting Bandsaw Safety Instructions for Metal Cutting Bandsaws Circuit Requirements 220V 3-Phase OperationUnpacking SetupSetup Safety Items Needed for SetupSite Considerations Clean UpPlacement Location G2544-Solvent Cleaner & DegreaserBolting to Concrete Floors Mounting to Shop FloorMoving & Placing To test run the bandsaw Test RunFactory adjustments that should be verified Recommended AdjustmentsOperations Operation Safety Cutting OverviewWorkpiece Inspection Cutting TipsElectrical controls Basic ControlsBlade Width Blade SelectionBlade Terminology Blade LengthTooth Type Tooth SetTo select the correct blade pitch Blade Pitch TPIBlade Break-In Blade BreakageBlade Care Break-In Blade CareChip Inspection Chart Blade Changes Disconnect Bandsaw from PowerTo properly position the guide post Blade TensioningGuide Post To correctly tension the bladeUpper blade guides and bracket Adjusting Blade Guides & SupportsTo adjust the table tilt Adjusting Table TiltBlade Welding Using the grinder to square up Blade endBlade clamping pressure chart Blade Width Pressure SettingCorrect blade weld bend for strength Flexibility T20448T20452 T20501 T20456 H0736 AccessoriesDaily MaintenanceCleaning ScheduleTo redress the rubber tires Redressing Rubber TiresLubrication Motor & Electrical ServiceTroubleshooting Pages 36 Cutting OperationsTo check/tension/replace the V-belts Lower Wheel Pulley AlignmentTensioning V-Belts Tools Needed QtyTo replace the motor V-belts Adjusting Wheel BrushTo adjust the wheel brush Replacing V-BeltsTo check if your wheels are parallel and copla- nar Wheel AlignmentMaterials Needed Qty To adjust the lower wheel To adjust the upper wheelAligning Table to Blade To adjust the table square to the bladeBlade Guides See on Electrical & Control Wiring DiagramDigital Inverter Wiring DiagramElectrical Components Control panel wiring see wiringSee Motor Wiring DiagramWelding station wiring To Electrical Panel Welding Station Wiring DiagramCabinet PartsTable & Lower Guide Motor & Lower Wheel Station Welding Station Parts List PSB02M Upper Wheel Labels Page Page Warranty and Returns