TROUBLESHOOTING
| SYMPTOM | POSSIBLE CAUSE(S) | CORRECTIVE ACTION | ||
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| Motor will not start | 1. | Low voltage | 1. | Check power line for proper voltage |
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| 2. | Open circuit in motor or loose | 2. | Inspect all lead connections on motor for loose or |
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| connections |
| open connection |
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| 3. | Defective switch | 3. | Replace switch |
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| 4. | Defective capacitor | 4. | Replace capacitor |
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| Motor will not start; | 1. | Short circuit in line cord or plug | 1. | Inspect line cord or plug for damaged insulation and |
| fuses blown or circuit |
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| shorted wires |
| breakers are tripped | 2. | Short circuit in motor or loose | 2. | Inspect all lead connections on motor for loose or |
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| connections |
| shorted terminals or worn insulation on wires |
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| 3. | Incorrect fuses or circuit breakers in | 3. | Install correct fuses or circuit breakers |
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| power line |
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| Motor fails to develop full | 1. | Power line overloaded with lights, | 1. | Reduce the load on the power line |
| power (power output of |
| appliances and other motors |
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| motor decreases rapidly | 2. | Undersize wires or circuits too long | 2. | Increase wire sizes, or reduce length of wiring |
| with decrease in voltage at | 3. | General overloading of power | 3. | Request a voltage check from the power company |
| motor terminals) |
| company's facilities |
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| Motor overheats | Motor overloaded | Reduce load on motor | ||
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| Motor stalls (resulting in | 1. | Short circuit in motor or loose | 1. | Inspect connections in motor for loose or shorted |
| blown fuses or tripped |
| connections |
| terminals or worn insulation on lead wires |
| circuit breakers) | 2. | Low voltage | 2. | Correct the low line voltage conditions |
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| 3. | Incorrect fuses or circuit breakers in | 3. | Install correct fuses or circuit breakers |
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| power line |
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| 4. | Motor overload | 4. | Reduce load on motor |
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| Machine slows down | 1. | Applying too much pressure to | 1. | Ease up on pressure |
| while operating or |
| workpiece |
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| sandpaper slips on drum | 2. | Spindle knob loose | 2. | Tighten spindle knob |
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| Wood burns while | Sandpaper glazed or loaded with | Replace sandpaper | ||
| sanding; sandpaper not | sawdust |
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| removing wood |
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| Spindle does NOT travel | 1. | Sawdust | 1. | Remove sawdust with vacuum |
| completely through 1″ | 2. | Damaged or loose oscillating | 2. | Inspect mechanism. Contact Sears Service Center |
| stroke |
| mechanism |
| if necessary |
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| Excessive noise | Spindle and motor not aligned properly | Adjust motor and spindle alignment | ||
| Note: Normally operating |
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| sander does make some |
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| noise |
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MAINTENANCE
7