Question about American Standard Home
When there is a load on the motor and it is surging this is an indication of not enough water getting to the front of the pump.
Check the water flowing inside the tub going from the jet opposite the suction cover.
Sounds to me like you may be getting cavitation because the pump is pulling in too many air bubbles from the jet.
Close the air control and/or move the direction of the eyeball from pointing at the suction cover and see if that helps.
US Parts Center
Posted on Apr 09, 2014
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