(1) Check the foundation of the foundation to meet the requirements; check the foot bolt of the ground, and it should be tightly in place; the two axis of the positive accuracy meets the requirements.

(2) The steering of the motor should be consistent with the rotation direction of the pump; the insulation of the motor should meet the requirements; the car should be flexible and no abnormal phenomenon.

(3) The pressure gauge and vacuum table of the electrical instrument and pump should be sensitive and accurate, and the valve should be flexible and reliable.

(4) The centrifugal pump with a temperature of the liquid is higher than 120 ° C. To ensure the reliable lubrication of the bearings, the bearings should be cooled.

(5) Mechanical sealing should be cooled, rinse, and transmitted to crystallize materials. Before the pump is started, the crystals of the sealing site should be cleaned to avoid affecting the seal effect or damage to the cover. The assembly of the mechanical seal shall meet the requirements.

(6) The pump sealed with fillers should be appropriately tightened; the coolant sealing ring should be aimed at the coolant mouth, and the coolant should be unobstructed.