Electric Motor Trouble Shooting Guide
The key to minimizing motor problems is scheduled routine inspection and service. The frequency of routine service varies widely between applications. Testing and trouble shooting the electric motors in a very skilled job, here are some of the electric motor trouble shooting tips that will surely help you in smooth operation of electric motors.
Before you start to work on the motor make sure the POWER IS OFF.
FAILURE TO START
Check for blown line fuse or tripped breaker.
Always allow the motor to cool down and try to reset.
Open Drip Motors faces a very common problem in any woodworking shop of the build-up of saw dust. Give these motors a blow of air to remove the saw dust, at least eight to nine times this exercise will get the motor to start again. To fix this problem permanently the motor should be replaced with a totally enclosed fan-cooled model.
MOTOR IS NOISY
Excessive Vibration
- Check for loose mounting
- Check shaft alignment
- Check for bent shaft
Excessive Noise
- Check for damaged bearings, replace as necessary
- Check for rotor rub by rotating the shaft slowly by hand
OVERHEATING
(Motor runs but trips frequently due to overload)
- Check for adequate ventilation. Be sure motor vent holes (or fan blades) are free of obstructions.
- Use a shorter or heavier gauge extension cord.
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