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Woodstock W1772, W1773 Conveyor Tensioning Tracking, To tension the conveyor, do these steps

Models: W1772 W1773

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W1772/W1773 37" Drum Sander

SERVICE

Conveyor Tensioning &

Tracking

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 turning 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, do these steps:

1.Using a 19mm wrench, loosen the lock nut (see Figure 47) on both sides of the conveyor.

2.Measure the distance from the frame to the convey- or roller on both sides. Turn the adjustment bolts so the distance between the frame and conveyor roller is identical on both sides. Do not overtighten the conveyor. Your goal is to reach a 3/4" gap between the underside of the conveyor and the belt, as shown in Figure 48.

3.Use a magic marker, white out, or fingernail polish to mark the front of the conveyor tensioning bolt on both sides.

This step will aid you in keeping track of the rotations as you turn the bolts, so the bolts remain as even as possible.

4.Turn both of the conveyor adjustment bolts clock- wise one full turn at a time until the conveyor belt no longer slips during operation.

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

5.Tighten the lock nuts to lock the conveyor adjust- ment bolts in place.

Loose hair and clothing could get caught in machinery and cause serious personal injury. Keep loose clothing rolled up and long hair tied up and away from machinery.

Frame-Conveyor

Roller Distance

Adjustment

Bolt

Lock Nut

Figure 47. One side of conveyor tensioning

&tracking controls (guard removed for clarity).

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Figure 48. Conveyor belt hanging gap.

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Woodstock W1772, W1773 owner manual Conveyor Tensioning Tracking, To tension the conveyor, do these steps

Contents

Drum Sander Page Contents Introduction Woodstock Technical SupportIntroduction Introduction Introduction Introduction Controls and Features Safety Standard Safety InstructionsAlways Lock Mobile Bases if Used Before Operating Machinery Additional Safety for Drum Sanders Electrical W1772 Single-Phase OperationW1772 Electrical Specifications W1773 Electrical Specifications W1773 220V/440V Phase OperationPhase Converter Rewiring W1773 to To rewire the Model W1773 for 440V operation, do these stepsUnpacking SetupItems Needed for Setup InventoryAssembly If you do not hear any scraping sounds go to StepControl panel mounting bolts Machine Placement W1772/W1773 minimum working clearancesTo place the sander in a permanent location, do these steps Lifting SanderMounting to Shop Floor Dust Collection Power ConnectionTo connect the sander to the power source, do these steps Recommended CFM at SanderGear Oil Check To check the gear oil, do these stepsTest Run To test run the drum sander, do these stepsRecommended Adjustments SETGeneral OperationsControl Panel Sanding Drums Start Button Starts the sanding drumsVariable Speed To adjust the conveyor speed, do these stepsDepth of Cut To set the depth of cut, do these stepsTo sand a workpiece, do these steps Using the Amp Draw MeterSanding Sanding Tips Choosing Sandpaper Grit ClassPaper Replacement To change the paper, do these stepsDrum Sander Accessories Lubrication MaintenanceCleaning Step Lubricating gear boxTo make the gauge blocks, do these steps ServiceGauge Blocks Belt Service To adjust V-belt tension, do these stepsBearing Replacement To align the pulleys, do these stepsThat no obstructions prevent bearing lubrication Pages 38Conveyor Tensioning Tracking To tension the conveyor, do these stepsTracking To track the conveyor, do these stepsDrum Adjustments Adjusting Drums Perpendicular to Feed DirectionFront and rear drum Adjustment locations Loosen the front drum pillow bearing lock nuts FigureAdjusting Drum Height & Drum-to-Conveyor Parallelism Rear right sanding drum micro Adjusting knob Loosen the front drum pillow bearing lock nuts ,Pressure roller adjustment Nuts Pressure Roller HeightDust Scoops To adjust a dust scoop, do these stepsScale Pointer Calibration Table Lift ScewsTo adjust the table lift screws, do these steps Marking sprocket tooth ChainW1772/W1773 Wiring Overview Emergency stop bar limit SwitchW1772/W1773 control panel wiring W1772/W1773 Control PanelW1772 Electrical Box 220V, 1-Ph W1772 electrical boxW1772 Electrical Box Wiring 220V, 1-Ph FiguresW1772 sanding drum motor Wiring and start capacitors W1772 Sanding & Feed MotorsW1773 Electrical Box 220V, 3-Phase W1773 Electrical Box Wiring 220V, 3-Phase FiguresW1773 Electrical Box 440V, 3-Phase W1773 440V 3-phase electrical box wiringW1773 Electrical Box Wiring 440V, 3-Phase Figures 66W1773 220V sanding drum motor Wiring W1773 Sanding Drum MotorW1773 220V feed motor wiring W1773 Feed MotorTroubleshooting Moving parts have come to a complete stopMachine Operations Parts Frame Parts BreakdownFrame Parts List PART# DescriptionParts Breakdown Conveyor Parts List Roller & Drum Parts Breakdown XPK55MMicro-Adjustment Breakdown Electrical Components Electrical Parts List CurrentsensorLabel Placement Warranty Registration CommentsBOX BELLINGHAM, WA Warranty