High vibration is a common problem for motors installed on top of vertical pumps. Its source can stem from a mechanical issue with the pump, motor, or coupling — or even hydraulic forces from the pump ...

The proper shaft alignment procedure is to secure the driven equipment first, and then install the coupling to the equipment. Moving a pump, for instance, would impose stress upon the connecting ...

That’s because the pump and motor must be rigidly and accurately mounted to ensure alignment of the pump and motor shafts. The pump may require a pilot surface to mate with a pilot bore on the ...

GFCI protection is required for outlets supplying pool pump motors connected to single-phase ... the molecules reverse their polarity as well. This back-and-forth alignment of the molecules heats up ...