How To Trouble Suite an Electrical Motor

Following are some guidance to take to Trouble Suite an Electrical Motor and before you start to work on the motor, MAKE SURE THE POWER IS OFF. Always turn the power off at the electrical service entrance breaker box or fuse, to prevent electrical shock.

FAILURE TO START

1. Check for blown line fuse or tripped breaker.

2. Allow motor to cool and try to reset.

3. One of the most common problems in a work shop is a build-up of dust in the motor, especially with open drip proof motors.

4. Give the motor a shot of air to blow out the dust, nine times out of ten this will get the motor to start again, to fix the problem the motor should be replaced with a totally enclosed, fan cooled model.

MOTOR IS NOISY

Excessive vibration.

1. Check for loose mounting.
2. Check shaft alignment.
3. Check for bent shaft.

Excessive noise.

1. Check for damaged bearings. Replace as necessary.
2. Check for rotor rub by rotating the shaft slowly by hand.

OVERHEATING

1. Be sure motor vent holes (or fan blades) are free of obstructions.
2. Use a shorter or heavier gauge extension cord.

Hope that these motor troubleshooting methods will helpful when motor got malfunction.