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W1681 Buffing Assembly
SERVICE
SERVICE
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
moving parts have come to a complete stop!
PROBLEM POSSIBLE CAUSE CORRECTIVE ACTION
Machine stalls or is over-
loaded.
1. Motor connection wired incorrectly.
2. Motor bearings are at fault.
3. Motor is at fault.
4. Buffing wheel is too large/wide or
exceeds recommended wheel rating.
1. Correct motor wiring connections.
2. Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
3. Test/repair/replace.
4. Replace with smaller wheel or reduce wheel width.
Machine has vibration or
noisy operation.
1. Motor or component is loose.
2. Incorrectly mounted to workbench.
3. Motor fan is rubbing on fan cover.
4. Bearings are at fault.
5. Shaft is bent.
6. Buffing wheel has become loose,
worn, or components (steel center
hub) are dislodged.
1. Inspect/replace stripped or damaged bolts/nuts,
and re-tighten with thread locking fluid.
2. Shim or tighten mounting hardware.
3. Replace dented fan cover; replace loose/damaged
fan.
4. Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
5. Test with dial indicator and replace if necessary.
6. Replace buffing wheel.