Posted by John T on April 25, 2014 at 11:38:12 from (216.249.72.121):
In Reply to: OT---Electric motor posted by Jiles on April 25, 2014 at 11:00:57:
I agree with Dicks good suggestions. A single phase split phase motor does NOT know which direction to spin if voltage is applied to the run winding so it may just sit there n HUMMMMMMM. The separate out of rotational phase start winding gets it initially spinning subject to how its wound and then its disengaged via the centrifugal switch contacts which are initially closed until X RPM at which time they open so its out of the circuit. If the switch contacts are burned or not closing that can cause no starting and HUMMMMMMMM so Id check that fer sure. As far as a start capacitor (discharge it first), to straight steady DC it should appear as an open circuit once charged up but it initially conducts current until charged...The connections on those can get loose and burned and carboned also even with a still good capacitor....
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