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3E-34N spa pump, very hot to the touch. Motor is

Little Giant 3E-34N spa pump, very hot to the touch. Motor is full of oil.

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Put a clamp ammeter at one of the electrical supply wire and take note of the running current reading (amperes) with the motorpump running. Compare this with the rated current of the motor. It must be lower or equal to the rated current. From your comment that it is very hot to touch, I assume that the running current reading is higher than the rated current. To lower the running current, install a service **** or flow control valve at the discharge line. Then, put back the clamp ammeter at one of the electrical supply line/wire. Start the pumpmotor and slowly close the service ****/flow control valve until your running current reading is 85% to 90% of the rated current (amperes). I can assure you that the motor temperature will be lower.

Posted on Nov 25, 2009


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