Question about AO Smith Pool Pump Motor Hayward Swimming Pool Pump Full Rated Motor / Cen

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My pool pump is humming then turns off - AO Smith Pool Pump Motor Hayward Swimming Pool Pump Full Rated Motor / Cen

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  • nmbrook Sep 09, 2010

    Thank you.

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If the armature will rotate freely and the bearings are not frozen, then it's probably a bad start capacitor. They are not very expensive compared to a new motor so it might be worth replacing it to see if it's bad.

Posted on Sep 08, 2010

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  • nmbrook Sep 08, 2010

    Where is the start capacitor located?

  • handyrentals Sep 08, 2010

    It will be under the metal cover that sticks out on the side of the motor. Usually removing one screw will allow access. There will be two wires connected to the capacitor. These capacitors are "bi-polar" so it doesn't matter which wire goes where. Do make sure all power to the system is turned off at the breaker box before servicing.

    Try Ace hardware for a replacement or any electrical supplly house.

  • handyrentals Sep 08, 2010

    Forgot to mention that If your pump doesn't have a capacitor, then it uses a starter winding and centrifigul switch inside the motor housing itself. It is possible that the swich contacts have gone bad but more likely the start winding would be the problem. This would be a job for a qualified motor repair shop or a replacement motor.

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If the armature turns freely replacing the capacitor will probably fix your problem. But something in the motor is causing the capacitor to overwork and burn out to begin with. Replacing a capacitor is a short term solution and the new one will likely burn out in a short time period.

Posted on Sep 08, 2010

  • Derek
    Derek Sep 18, 2010

    that's not true. it is possible but certainly not always the case. Capacitors can fail just like anything else. I have replaced many start caps and never had a second one fail before the motor itself finally gives out.

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SOURCE: am trying to open pool, motor hums but will not run

Sounds like COULD BE something (a small stone or twig) jammed in the impeller. See if you can spin it using a long screwdriver, if it moves, it is not jammed. If it spins, I hate to say it might be the motor is gone.

Posted on May 24, 2010

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