Preparations before the vertical sewage pump is not blocked:

(1) No blocking vertical sewage pump to check whether there is a large solid impurities in the pump station before the opening of the pump station.

(2) If the pump or control box is maintained, check whether the power supply voltage should be consistent with the power supply voltage marked on the motor nameplate before starting.

(3) If it runs for a long time and finds the water lifting ability significantly, the pump needs to be cleaned up. The cleaning after cleaning needs to be tried and observed.

(4) Check whether there is sufficient oil in the fuel tank and whether there is oil leakage.

(5) Check whether the sealing device is intact.