Woodstock W1772, W1773 owner manual Troubleshooting, Moving parts have come to a complete stop

Page 58

SERVICE

W1772/W1773 37" Drum Sander

Troubleshooting

This section covers the most common problems and corrections with this type of

 

machine. WARNING! DO NOT make any adjustments until power is disconnected and

OFF

moving parts have come to a complete stop!

 

 

Motor & Electrical

 

 

 

 

 

 

 

PROBLEM

POSSIBLE CAUSE

CORRECTIVE ACTION

 

Machine does not start or a

1. Emergency stop push-button is

1. Rotate clockwise slightly until it pops out/replace

breaker trips.

engaged/faulty.

it.

 

2.Power supply switched OFF or is at 2. Ensure power supply is switched on; ensure power

fault.

supply has the correct voltage.

3.Start capacitor is at fault (W1772 3. Test/replace if faulty (W1772 only). only).

4.Motor connection wired incorrect- 4. Correct motor wiring connections.

ly.

 

5. Thermal

overload relay has 5. Unplug machine, open magnetic switch cover, turn

tripped.

amperage dial on Thermal Protection Circuit Breaker

 

to a higher amperage setting.

6.Wall fuse/circuit breaker is blown/ 6. Ensure circuit size is suitable for this machine;

tripped.

replace weak breaker.

7.Contactor not getting energized/ 7. Test for power on all legs and contactor operation.

has burnt contacts.

Replace unit if faulty.

8.Wiring is open/has high resistance. 8. Check for broken wires or disconnected/corroded connections, and repair/replace as necessary.

9.Emergency stop push-panel is 9. Free push-panel from binding; replace faulty

 

 

stuck/switch is at fault.

 

switch.

 

10.Motor is at fault.

10.Test/repair/replace.

 

 

 

 

Machine stalls or is over-

1. Feed rate too fast for task.

1.

Decrease feed rate.

loaded.

2.

Workpiece material is not suitable

2.

Only cut wood products; make sure moisture con-

 

 

for this machine.

 

tent is below 20% and there are no foreign materials

 

 

 

 

in the workpiece.

 

3.

Run capacitor is at fault (W1772

3.

Test/repair/replace (W1772 only).

 

 

only).

 

 

 

4.

Belt(s) slipping.

4.

Replace bad belt(s) as a matched set, align pulleys,

 

 

 

 

and re-tension.

5.Motor connection is wired incor- 5. Correct motor wiring connections. rectly.

6.Motor bearings are at fault. 6. Test by rotating shaft; rotational grinding/loose shaft requires bearing replacement.

7.Machine is undersized for the task. 7. Use new sandpaper with appropriate grit; reduce the feed rate/depth of sanding.

8.Contactor not getting energized or 8. Test for power on all legs and contactor operation.

has poor contacts.

Replace if faulty.

9.Motor has overheated.9. Clean off motor, let cool, and reduce workload.

10.Motor is at fault.

10.Test/repair/replace.

11.Air circulation through the motor 11.Clean off motor to provide normal air circulation. restricted.

Drums run

backwards 1. Two of the power wires are reversed

1. Switch two of the current carrying wires at the main

(W1773 only).

(W1773 only).

power block (W1773 only). (Page 21)

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Page 57 Page 59
Image 58
Page 57 Page 59
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 W1772 Electrical Specifications W1772 Single-Phase OperationElectrical Phase Converter W1773 220V/440V Phase OperationW1773 Electrical Specifications 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 clearancesMounting to Shop Floor Lifting SanderTo place the sander in a permanent location, do these steps 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 stepsSanding Using the Amp Draw MeterTo sand a workpiece, do these steps Sanding Tips Choosing Sandpaper Grit ClassPaper Replacement To change the paper, do these stepsDrum Sander Accessories Cleaning MaintenanceLubrication Step Lubricating gear boxGauge Blocks ServiceTo make the gauge blocks, do these steps 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
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