Question about Hayward 1.5hp Pool Pump Motor Motor A O Smith Electric Pool Motor for 56j Frame Motors Ust1152
Most single phase motors have an overload protection device, either over current operated or temperature operated, either way once it cools the motor can be restarted, but you need to find the problem.
1. Bearings, if it runs noisily and possibly vibrates it might need a new set of bearings.
2. If it sounds like it has bit of an electrical hum or sounds labored may there is a pump problem overloading the motor and therefore drawing too much current and overheating.
3. Depending on the internal start and run circuit the start capacitor may have died or the centrifugal switch that switches between the start and run windings once it gets some RPM going may be malfunctioning.
4. It could just have a stator winding problem and need rewinding.
Unfortunately the last 3 options need some electrical test instruments and will need to open the motor up to see what design it is. Your best bet is to take it to your local rewind shop and get them to check it for you.
A rewind may be just as expensive as a new motor these days $300 to $400
Posted on Oct 24, 2010
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Posted on Jan 02, 2017
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