SECTION 7: SERVICE
Review the troubleshooting and procedures in this section if a problem develops with your machine. If you need replacement parts or additional help with a procedure, call our Technical Support at (570)
Troubleshooting
Motor & Electrical
Symptom | Possible Cause | Possible Solution | |||
|
|
|
| ||
Machine does not | 1. Switch disabling key removed. | 1. | Reinstall switch disabling key. | ||
start. | 2. | Power supply switched off/has incorrect | 2. | Switch power supply on/verify voltage. | |
| |||||
|
| voltage. |
|
| |
| 3. | Blown fuse/tripped circuit breaker at main | 3. | Correct the cause of overload, then reset/replace | |
|
| panel. |
| fuse or breaker. | |
| 4. | Break or short in wiring, loose connections, | 4. | Trace/replace broken or corroded wires, fix loose | |
|
| plug or receptacle is damaged or miswired. |
| connections, correct wiring. | |
| 5. | Motor connection wired incorrectly. | 5. | Wire motor correctly (refer to inside junction box | |
|
|
|
| cover or manual). | |
| 6. | Motor ON/OFF switch at fault. | 6. | Replace switch. | |
| 7. | Start capacitor has blown. | 7. | Test/replace if at fault. | |
| 8. | Motor at fault. | 8. | Test for shorted windings or bad bearings; repair or | |
|
|
|
| replace. | |
|
|
|
| ||
Machine has | 1. Workpiece loose or incorrectly secured. | 1. | Use correct holding fixture and | ||
excessive vibration | 2. | Lock lever is loose. | 2. | Tighten the lock lever. | |
or noise. | |||||
3. | Machine incorrectly mounted to bench. | 3. | Level/shim base; tighten/adjust mounting hardware | ||
| |||||
|
|
|
| or feet. | |
| 4. | Motor fan rubbing on fan cover. | 4. | Fix/replace fan cover; replace loose or damaged fan. | |
| 5. | Motor mounting loose. | 5. | Tighten mounting bolts/nuts; use thread locking fluid. | |
| 6. | Centrifugal switch out of adjustment; at fault. | 6. | Adjust/replace centrifugal switch. | |
| 7. | Motor bearings worn or damaged. | 7. | Replace motor bearings or replace motor. | |
|
|
|
| ||
Machine stalls | 1. Too much pressure when feeding workpiece | 1. | Reduce pressure when feeding workpiece. | ||
or slows when | 2. | Workpiece is incorrect for machine. | 2. | Only sand wood and ensure moisture is below 20%. | |
operating. | |||||
3. | Motor overheated. | 3. | Let cool, clean motor, and reduce workload. | ||
| |||||
| 4. | Motor at fault. | 4. | Test, repair, or replace motor. | |
|
|
|
|
| |
Model G0724 (Mfg. Since 09/11) |
