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(1) Check whether the foundation bolts are loose.

(2) Check whether the submerged depth of the LC type vertical long-axis pump meets the requirements.

(3) Check whether the LC type vertical long-axis pump is filled with packing.

(4) Check the cooling water supply of the vertical long shaft pump. The cooling water is clean and soft water. surface.

(5) Ensure that the bearings of the vertical long-axis pump and the motor are lubricated. The grade of lubricating oil for the water pump is L-AN32 mechanical oil. The oil level is about 2mm above and below the center line of the oil level gauge. For the lubrication of the motor, refer to the installation and operation manual of the motor.

(6) Before starting, turn the rotor of the vertical long-axis pump, and it should be smooth and even.

(7) Check the steering of the motor: viewed from the motor end, the vertical long-axis pump rotates counterclockwise.