If the pump discharge nozzle is welded to the piping, or if repair associated with machining of the casing is required, it will be necessary to cut the piping and take the casing out for work. However, if a portable facer is used the casing can be repaired (welding reinforcement and machining) on site without cutting the piping.
Rotating, but water does not come out. Discharge quantity is not enogh to specified capacity.
Over load (Overcurrent) occurs.
Excessive water leakage from stuffing box
Electric motor does not work well with noise.
Water comes out at first, but it doesn't come out soon.