SECTION 7: SERVICE
Review the troubleshooting and procedures in this section to fix or adjust your machine if a problem devel- ops. If you need replacement parts or you are unsure of your repair skills, then feel free to call our Technical Support at (570)
Troubleshooting
Motor and Electrical
Symptom | Possible Cause | Possible Solution | ||
Machine does not | 1. | Safety key removed from ON/OFF switch, | 1. | Replace safety key. |
start or a breaker | 2. | Plug/receptacle is at fault or wired incor- | 2. | Test for good contacts; correct the wiring. |
trips. |
| rectly. |
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| 3. | Power supply is at fault/switched OFF. | 3. | Ensure hot lines have correct voltage on all legs and |
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| main power supply is switched ON. |
| 4. | Lockout key is at fault. | 4. | Install/replace lockout key; replace switch. |
| 5. | Motor brushes are at fault. | 5. | Remove/replace brushes. |
| 6. | Motor ON/OFF switch is at fault. | 6. | Replace faulty ON/OFF switch. |
| 7. | Wiring is open/has high resistance. | 7. | Check for broken wires or disconnected/corroded |
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| connections, and repair/replace as necessary. |
| 8. | Motor is at fault. | 8. | Test/repair/replace. |
Machine stalls or is | 1. | Wrong workpiece material (wood). | 1. | Use wood with correct moisture content, without |
underpowered. |
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| glues, and little pitch/resins. |
| 2. | Cutterhead belt slipping. | 2. | Replace cutterhead belt and |
| 3. | Plug/receptacle is at fault. | 3. | Test for good contacts; correct the wiring. |
| 4. | Motor brushes are at fault. | 4. | Remove/replace brushes. |
| 5. | Motor bearings are at fault. | 5. | Test by rotating shaft; rotational grinding/loose shaft |
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| requires bearing replacement. |
| 6. | Machine is undersized for the task. | 6. | Stop operation. |
| 7. | Knives dull, feed rate is too fast depth of cut | 7. | Use sharp knives; reduce feed rate/depth of cut. |
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| too great. |
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| 8. | Motor has overheated. | 8. | Clean off motor, let cool, and reduce workload. |
| 9. | Motor is at fault. | 9. | Test/repair/replace. |
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Machine has | 1. | Motor or component is loose. | 1. | Inspect/replace stripped or damaged bolts/nuts, and |
vibration or noisy |
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operation. | 2. | Knife blades, clamp or jack screws are at | 2. | Resharpen/replace knives as required; set knife |
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| fault. |
| alignment correctly. |
| 3. | Belts worn or loose. | 3. | Inspect/replace belts with a new ones. |
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| 4. | Replace dented fan cover; replace loose/damaged |
| 4. | Motor fan is rubbing on fan cover. |
| fan. |
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| 5. | Replace/tighten as required. |
| 5. | Loose mounting bolts. | 6. | Replace warped, bent, or twisted blade; resharpen |
| 6. | Blade is at fault. |
| dull blade. |
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G0612 6" Jointer |
