Grizzly G0459 Conveyor Tensioning Tracking, To tension the conveyor, To track the conveyor

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Conveyor Tensioning

& Tracking

Tools Needed:

Qty

Wrench 19mm

1

Phillips Head Screwdriver #2

1

Tensioning

The conveyor may slightly stretch with continued use and will eventually need to be tensioned. This is most obvious if the conveyor starts slipping on the rollers.

When you tension the conveyor, focus on ten- sioning the adjustment bolts in even increments. Tensioning one side more than the other will cause tracking problems, which will require you to take additional steps to get the sander operating correctly.

To tension the conveyor:

1.Use a magic marker, correction fluid, or fingernail polish to mark the front of the con- veyor tensioning bolt on both sides (Figure 27). This step will aid you in keeping track of the rotations as you turn the bolts, so they remain as even as possible.

Adjustment

Bolt

Figure 27. One side of conveyor tensioning & tracking controls (guard removed for clarity).

Note: Removing the front right and left roller guard covers makes it easier to access the adjustment bolts. Be sure to reinstall the guards when adjustments are complete.

-28-

2.Turn both of the conveyor adjustment bolts counterclockwise one full turn at a time until the conveyor belt no longer slips during operation.

—If the conveyor starts tracking to one side, immediately turn the drum sander OFF and perform the tracking instructions.

Tracking

The conveyor must track straight. If the conveyor tracks to either side, then the tracking must be corrected or the conveyor will become damaged and have to be replaced.

Replacing a damaged conveyor is a big job. Always be careful to make sure that the belt does not travel too far to one side or the other.

Tracking the conveyor is a balancing process that takes patience and a small degree of trial-and- error. Usually you must over-tighten the loose side (the side the belt is tracking towards) to make the conveyor move to the middle of the rollers, then loosen that same side to make the conveyor stay in position. If you adjust the bolt too much either way, then you have to repeat the process until the conveyor rides in the middle and stays there dur- ing continuous operation.

To track the conveyor:

1.Turn the conveyor ON and watch it track.

2.Determine which side the conveyor is track- ing towards (the loose side) and tension the adjustment bolt on that side until the con- veyor tracks in the opposite direction.

Note: Tracking changes may take up to three minutes before they are noticeable.

3.When the conveyor is near the middle of the rollers or table, loosen the adjustment bolt until the conveyor stops moving and tracks straight.

—If the conveyor tracks too far to the other side, then adjust the bolt as necessary to bring it back and repeat Steps 2 & 3 until the tracking is correct.

G0459 12" Drum Sander

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Contents Model G0459 Drum Sander Safety Label Placement Table of Contents Warranty and Returns Introduction ForewordContact Info Machine Data Sheet Identification Safety Safety Instructions for MachineryAlways Lock Mobile Bases if Used Before Operating Machinery Additional Safety for Drum Sanders Circuit Requirements 110V OperationItems Needed for Set Up SET UPSet Up Safety UnpackingFloor Load InventorySite Considerations Working ClearancesComponents and Hardware Needed Qty Placing SanderMounting To mount the drum sander to a bench topTo mount the handwheel Installing Crank HandleDust Collection To connect the dust port to a dust collectorRecommended Adjustments Test RunOperation Safety Switch/Lockout To turn the switch on and OFFOperations To adjust the conveyor speed Depth of Cut Variable SpeedTo set the depth of cut Sanding Sanding TipsTo sand a workpiece Paper Replacement Choosing SandpaperGrit Class Usage Size Model AccessoriesPRO-STICKSanding Pad H1300 H1298 G7984 H2347 H0736G1163-1HP Dust Collector G3124-Wire Hose Clamps 21⁄2 G3123-Flexible Hose 21⁄2 xG3119-4 x 21⁄2 Adapter G7313-Tool TableSchedule MaintenanceCleaning LubricationTable lift screws Service TroubleshootingMotor & Electrical Sanding Operations Increase pressure roller pressure Belt Service Gauge BlocksTension Pulley Alignment Removal/ReplacementTo adjust V-belt tension To align the pulleysTracking Conveyor Tensioning TrackingTensioning To tension the conveyorDrum Adjustments Drum parallel to conveyor belt G0459 12 Drum SanderTo adjust the pillow block bearings Drum perpendicular to feed directionPressure Roller Factory SettingTo adjust the pressure rollers to the factory setting HeightScale Pointer Calibration To calibrate the scale pointerTo adjust the table lift screws Table Lift ScrewsConveyor Belt Replacement To replace the conveyor beltDrum sander disassembled to Step To StepBrass Shims Page Page Electrical Components Motor WiringSwitch Box Wiring Feed Motor CapacitorWiring Diagram Frame Parts Breakdown Drum and Conveyor Parts Breakdown Parts List DescriptionDust Scoop Safety Label Placement and Parts List 214 215 213 212 216 217 209 218Warranty and Returns Warranty Card CommentsGrizzly INDUSTRIAL, INC BOX BELLINGHAM, WAPage Call Today For a Free Full Color Catalog
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