Service
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 & Electrical
SYMPTOM |
| POSSIBLE CAUSE |
| corrective action |
Machine does not start or a | 1. | Safety Stop button pressed. | 1. | Twist Safety Stop button until it pops out. |
breaker trips. | 2. | Machine is wired out of phase (only | 2. | Ensure correct size for machine load; |
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| if this is the first time the machine is |
| replace weak breaker. |
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| run). |
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| 3. | Wall fuse/circuit breaker is blown/ | 3. | Check for broken wires or disconnected/corroded |
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| tripped. |
| connections, and repair/replace as necessary. |
4.Wiring is open/has high resistance. 4. Test for good contacts; correct the wiring.
5.Plug/receptacle is at fault or wired 5. Correct wiring. incorrectly.
6.Motor connection wired incorrectly. 6. Correct motor wiring connections.
7.Power supply is at fault/switched 7. Ensure hot lines have correct voltage on all legs and
|
| OFF. |
| main power supply is switched ON. |
| 8. | Motor ON/OFF switch is at fault. | 8. | Replace faulty ON/OFF switch. |
| 9. | Motor is at fault. | 9. | Test/repair/replace. |
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Machine stalls or is over- | 1. | Wrong blade for the workpiece | 1. | Use blade with correct properties for your type of cut- |
loaded |
| material. |
| ting. |
| 2. | Wrong workpiece material. | 2. | Use metal with correct properties for your type of cut- |
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|
|
| ting. |
| 3. | Feed rate/cutting speed too fast for | 3. | Decrease feed rate/cutting speed. |
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| task. |
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| 4. | Blade is slipping on wheels. | 4. | Adjust blade guides and tension. |
| 5. | Incorrect power supply voltage. | 5. | Ensure hot lines have correct voltage on all legs. |
| 6. | Motor bearings are at fault. | 6. | Test by rotating shaft; rotational grinding/loose shaft |
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|
|
| requires bearing replacement. |
| 7. | Plug/receptacle is at fault. | 7. | Test for good contacts; correct the wiring. |
| 8. | Motor connection is wired incor- | 8. | Correct motor wiring connections. |
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| rectly. |
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| 9. | Motor has overheated. | 9. | Clean off motor, let cool, and reduce workload. |
| 10. Motor is at fault. | 10. Test/repair/replace. | ||
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Machine has vibration or | 1. | Motor fan is rubbing on fan cover. | 1. | Replace dented fan cover; replace loose/damaged |
noisy operation. |
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|
| fan. |
| 2. | Blade is at fault. | 2. | Replace/resharpen blade. |
| 3. | Worm gear is at fault. | 3. | Rebuild gearbox for bad gear(s)/bearing(s). |
| 4. | Wrong blade for material. | 4. | Change blade. |
| 5. | Speed is set too slow. | 5. | Adjust speed as required. |
G0664 Heavy Duty |