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Al Patrick Al Patrick is offline
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Default Need help, 5 HP 1 ph Baldor buzzes loudly, does not spin

Jon Elson wrote:
Ignoramus29659 wrote:

I think that what I will do is
1. Take off the rear endbell again, and clean contacts some more
2. Try VERY carefully to measure resistance between them (hard to do)



Measure resistance of start cap. It should be infinity after a few
seconds on the meter. If not, it is bad. most common failure of
cap-start motors.

Jon



Capacitor is almost certainly the problem as evidenced by Iggy's own statement, "I also
tried adding and removing starting capacitance, it did not seem to make much difference."