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Thanks for the reply...
The cap is not shorted and is not open (shows a charging effect when metered) but not sure if the capacitance is correct.
The motor and impeller spin freely.
The cap is probably ok since I found out that the high speed part of motor works fine.
Problem occurs when the low speed part tries to run. Sometimes it will start... but rarely.
I'm about 99% sure that the low speed winding has a problem and have ordered a new motor/pump assembly.
It was a bear to remove the motor/pump on this unit, as the rear two mounting bolts and nuts were rusted badly and frozen. There was hardly any room to get back there with a vise grip... took me three hours on just one of the bolts going 1/16th of a turn at a time. I cleaned the bolts up real good and will be using all stainless washers and nuts to hopefully ease the removal next time.
Still sounds like a dead spot in the start capasitor to me. Do you have a local spa store that carries parts. The cap is fairly cheap. Also a common issue with the symptoms you are describing.
Is there a way to rebuild the pump, or can it only be replaced. Also, do I need to drain my spa to remove the pump??
Thanks...........