SERVICE
M1113 18" Wood/Metal Bandsaw
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!
Motor & Electrical
PROBLEM | POSSIBLE CAUSE |
| CORRECTIVE ACTION |
Machine does not start or a 1. | OFF button has not been reset. | 1. | Lift paddle and press OFF button down completely |
breaker trips. |
|
| until it clicks. |
2. | Plug/receptacle is at fault or wired | 2. | Test for good contacts; correct the wiring. |
| incorrectly. |
|
|
3.Motor connection wired incorrect- 3. Correct motor wiring connections. ly.
4.Wall fuse/circuit breaker is blown/ 4. Ensure circuit size is suitable for this machine;
tripped. | replace weak breaker. |
5. Power supply switched OFF or is at | 5. Ensure power supply is switch on; ensure power sup- |
fault. | ply has the correct voltage. |
6.Wiring is open/has high resistance. 6. Check for broken wires or disconnected/corroded connections, and repair/replace as necessary.
7. | Motor ON button or ON/OFF switch | 7. | Replace faulty ON button or ON/OFF switch. |
| is at fault. |
|
|
8. | Inverter/Controller box is at fault. | 8. | Inspect inverter/controller box; replace if faulty. |
9. | Motor is at fault. | 9. | Test/repair/replace. |
Machine stalls or is under- 1. | Feed rate/cutting speed too fast | 1. | Decrease feed rate/cutting speed. |
powered. | for task. |
|
|
2.Machine is undersized for the task. 2. Use sharp blade with lower TPI; reduce the feed rate/depth of cut.
3. | Blade is slipping on wheels. | 3. | Adjust blade tracking and tension to factory specifi- |
|
|
| cations. |
4. | Motor connection is wired incor- | 4. | Correct motor wiring connections. |
| rectly. |
|
|
5. | Plug/receptacle is at fault. | 5. | Test for good contacts; correct the wiring. |
6. | Pulley/sprocket slipping on shaft. | 6. | Replace loose pulley/shaft. |
7. | Motor is at fault. | 7. | Test/repair/replace. |
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|
Machine has vibration or 1. | Motor or component is loose. | 1. | Inspect/replace stripped or damaged bolts/nuts, |
noisy operation. |
|
| and |
2. | Blade weld is at fault or teeth are | 2. | Replace blade. |
| broken. |
|
|
3. | Blade is at fault. | 3. | Replace warped, bent, or twisted blade; resharpen |
|
|
| dull blade. |
4. | 4. | Inspect/replace belt. | |
5. | Pulley is loose. | 5. | Realign/replace shaft, pulley, setscrew, and key as |
|
|
| required. |
6. | Motor mount loose/broken. | 6. | Tighten/replace. |
7. | Machine is incorrectly mounted or | 7. | Tighten/replace anchor studs in floor; relocate/shim |
| sits unevenly. |
| machine. |
8. | Motor fan is rubbing on fan cover. | 8. | Replace dented fan cover; replace loose/damaged |
|
|
| fan. |
9. | Motor bearings are at fault. | 9. | Test by rotating shaft; rotational grinding/loose |
|
|
| shaft requires bearing replacement. |
