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- Feb 2, 2013
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another possibility comes to mind.
inside the motor, on the side opposing the shaft end, there is the centrifugal start switch.
the centrifugal start switch effectively switches the start capacitor in and out of the starting circuit.
it is a normally closed set of contacts that is controlled by flyweights and spring tension.
when the motor gets to about 80% of it's nameplate RPM during use, the start capacitor circuit drops out because the flyweights open the circuit.
if there is a burned or otherwise faulty connection or contact, the circuit will not function as intended, also giving the aforementioned symptoms
i have seen many failures of this type as well
inside the motor, on the side opposing the shaft end, there is the centrifugal start switch.
the centrifugal start switch effectively switches the start capacitor in and out of the starting circuit.
it is a normally closed set of contacts that is controlled by flyweights and spring tension.
when the motor gets to about 80% of it's nameplate RPM during use, the start capacitor circuit drops out because the flyweights open the circuit.
if there is a burned or otherwise faulty connection or contact, the circuit will not function as intended, also giving the aforementioned symptoms
i have seen many failures of this type as well