Pump should pay attention to the following maintenance during operation: 1, always pay attention to the pressure gauge, vacuum gauge and ammeter reading is found abnormal phenomenon, should identify the cause, promptly eliminate; 2, often observe the oil standard, Regularly check the quality of lubricating oil, found that there are changes should be promptly replaced by the required grades; 3, often observe the supply of lubricating oil, seal oil and cooling water; 4, always check the centrifugal pump and motor anchor bolts tight Solid conditions, the temperature of the pump body and the bearing and the sound when the pump is running, if there are any problems in time, 5, for the complex structure and a high degree of automation of the centrifugal pump must be in accordance with the relevant provisions of the operating procedures for starting, maintenance and parking , In the absence of scientific evidence and experimental proof, shall not change the method of operation.