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Drive shaft sticks and will not turn, have tried wd40, turns a while then sticks again. 1hp wel bilt jet pump for irrigation system.

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Check if the end of the drive shaft if the is broken ,it ca be burn,u will see a blue mark on it due to the heat from friction

Posted on Aug 24, 2009

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If I were in your position and I could move the impellar 1/8 turn, the next thing that I would do is carefully loosen the nut on the end of the shaft being careful that nothing else disassembles. Once this nut is loose say 2 turns, try the impellar again watching what is moving. It seems that the nut may have to be removed.
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If it is tripping the circuit that is usually an electrical problem, and has nothing to do with the motor. Open up that back with the motor off and try to turn that shaft with a flat head, if it turns than it is an electrical problem; if it doesn't then contact Hayward directly for warranty information. Hayward is a pain to get ahold of but they are great about honoring their warranties.

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