How to check electric motor. Find the two small metal terminals on the electric motor. 2 manually rotate motor shaft to examine bearing condition. To perform a cursory check of the bearings place the motor on a solid surface and place one hand on the top of the motor spin the shaftrotor with the other hand.
They are near the back and have two colored wires. Check the electric motors centrifugal switch if your electric motor uses a centrifugal switch to cut out the start capacitor once the motor is up to speed a failure of that switch can cause motor failure. You need to check if electricity is getting to the motor.
1 check the appearance of the motor. Small fan motors last a long time due to few moving parts. Check for burnt damage to body or cooling fan or shaft.
Check the motors schematic or its motor winding diagram and use the multimeter to measure the resistance of each winding leg. How to check an electric motor if it is bad. If shaft rotation is free and smooth.
How to test and check single phase electric motors. Usually red and black attached to them. Look out for smooth and free shaft rotation.
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