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This section covers the most common problems and corrections with this type of
machine.
Machine does not start or a
breaker trips.
Machine stalls or is under-
powered.
Machine has vibration or
noisy operation.
Machine is loud when cut-
ting or bogs down in the
cut.
1. Plug/receptacle is at fault or wired
incorrectly.
2. Start capacitor is at fault.
3. Motor connection wired incorrect-
ly.
4. Power supply is at fault/switched
OFF.
5. ON/OFF switch is at fault.
6. Wiring is open/has high resistance.
7. Motor is at fault.
1. Wrong blade for the workpiece
material (metal).
2. Feed rate too fast for task.
3. V-belt slipping.
4. Blade is slipping on wheels.
5. Pulley/sprocket slipping on shaft.
6. Motor bearings are at fault.
7. Motor is at fault.
1. V-belt is slapping belt cover.
2. V-belt worn or loose.
3. Pulley is loose.
1. Excessive feed rate.
2. The blade TPI is too great, or the
material is too coarse.
1. Test for good contact or correct the wiring.
2. Test/replace if faulty.
3. Correct motor wiring connections.
4. Make sure all hot lines/grounds are operational and
have correct voltage on all legs.
5. Replace faulty ON button or ON/OFF switch.
6. Troubleshoot wires for internal/external breaks;
check for disconnected/corroded connections;
repair/replace wiring.
7. Test/repair/replace.
1. Use blade with correct properties for your type of
cutting.
2. Decrease feed rate.
3. Replace bad V-belt and re-tension.
4. Adjust blade tracking and tension.
5. Replace loose pulley/shaft.
6. Test by rotating shaft; rotational grinding/loose
shaft requires bearing replacement.
7. Test/repair/replace.
1. Inspect belt cover for proper installation.
2. Inspect/replace belt with a new one.
3. Realign/replace shaft, pulley, setscrew, and key as
required.
1. Refer to Feed Rate on Page 23, or Blade Speed on
Page 24 and adjust as required.
2. Refer to Blade Selection on Page 26 and adjust as
required.
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