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Jandy jhp .75 hums when you turn it on does not pump

My jandy jhp .75 inground pool pump is wired correctly, however when i turn it on it only hums and does not move any water.  I can move the impeller manually by the shaft screw or by reaching in on the intake side and move the impeller so i know it's not jammed.  Any ideas would be appreciated.

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It sounds as if motor is spinning and pump is free so the impellar must not be attached to the motor shaft. There is a set screw on the impellar to hold it to shaft or the pump impellar could be cracked. Only way to tell is take the impellar housing off.

what kind of motor or pump? Hayward, pac flo?

Posted on May 28, 2009

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Posted on Jan 02, 2017

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