1,Keep the surface of the equipment hygienic;
2,Test the insulation of the motor regularly;
3, winter ambient temperature below 0 ℃ when the shutdown should be the pump body memory water drain, so as to avoid freezing and cracking;
4, the seal gap is too large leakage should be replaced in a timely manner;
5, long-term shutdown should be thoroughly improve equipment health, disassemble the pump body, all parts of the water on the wipe clean, coated with antirust oil for safekeeping.