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Thread: Unisaw motor hums but won't start

  1. #16
    Quote Originally Posted by Mac Cambra View Post
    Depending on the type of capacitor the polarity can be important. I know electrolytic capacitor if reverse insert can be damaged, I am not sure what type of cap is used in this application.
    Since the saw works on AC, there's no polarity on the cap.

    Mike
    Go into the world and do well. But more importantly, go into the world and do good.

  2. #17
    Thanks for the information on no polarity. I can't believe how much sawdust gets through the capacitor cover. It was caked with sawdust and with moisture in garage, not a good environment for the wires tips that slide over the ends of the capacitor.

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