Deep well pump before the start of the inspection work

Deep well pump before the start of the inspection work
(1) Check the direction of motor rotation. The direction of rotation of the deep well water pump impeller is counterclockwise (in the direction opposite to the clockwise movement of the dial), and if the steering is reversed, the power supply wiring needs to be reconnected. In this case,
(2) Check all parts of the screw. Check whether the pump base screw is tightened, nut gland on the packing gland is moderate, whether the adjustment screw of the adjustment nut is tightened and so on. In this case,
(3) check the base, the motor bearing lubricating oil is enough. In this case,
(4) Check the anti-reverse device is flexible and effective. Clockwise rotation of the drive plate, rotating a small angle should be stopped after the pin stuck, and then turn the drive by hand counterclockwise direction, should be able to flexible rotation. In this case,
(5) Check the motor electrical equipment and line connections are correct. After the above checks are no problem, in order to irrigation, pre-lubricating the rubber bearing, and then start the pump.