Reply by lew

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Posted on drum sander motor issue

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12051 posts in 3748 days

#1 posted 09-30-2013 11:54 PM

A bad capacitor usually causes the motor to “hum” but not start.
(I think the capacitor stores the words and when it goes bad the motor just hums the tune. I know I’m a smart ass).
Be very careful when taking stuff apart. Make some simple drawings of where the wires go and the wire colors. Make sure it is unplugged too!
You mentioned you swapped out a band saw motor. You could check the switch by pulling the wire cover on the sander motor, unhooking the black and white wire (or what ever colors go the terminals in the motor) and then connect a 120v lamp to the wires. Turn the unit on. If the light comes on, the switch is good and the problem is in the motor. No light and the problem is in the switch.

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

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