Submersible sewage pump how to maintain?

Posted by uuuseff on November 18th, 2019

Submersible sewage pump maintenance: (1) Check the sewage pump pipe and joints with loose phenomenon. Rotate the sewage pump by hand and see if the sewage pump is flexible. (2) Add bearing lubricating oil to the bearing body, observe the oil level should be at the center line of the oil standard, lubricating oil should be replaced or replenished promptly. (3) Unscrew the drainage plug of the sewage pump body, and pour water (or slurry). (4) close the outlet valve and outlet pressure gauges and import vacuum gauge. (5) Move the motor to see if the motor is steered correctly. (6) start the motor, when the sewage pump is operating normally, open the outlet pressure gauge and inlet vacuum pump as it shows the appropriate pressure, and gradually open the valve, while checking the motor load conditions. (7) try to control the discharge of sewage pump and head of the range indicated on the sign to ensure that the sewage pump at the highest efficiency point of operation, in order to get the maximum energy-saving effect. (8) sewage pump in operation, the bearing temperature can not exceed the ambient temperature 35C, the maximum temperature shall not exceed 80C. (9) If it is found that there is an abnormal noise sewage pump should stop immediately check the reasons. (10) sewage pump to stop using, first close the gate valve, pressure gauge, and then stop the motor. (11) sewage pump in the first month of work, after 100 hours to replace the oil, after each 500 hours, oil change time. (12) Often adjust the packing gland to ensure normal drip leakage in the packing room. (13) Regular inspection of the sleeve wear, wear and tear should be promptly replaced. (14) sewage pump in winter season, after parking, you need to unscrew the lower part of the drain plug to drain the media to the net. Prevent cracking. (15) long-term deactivation of the sewage pump, the pump should be all open, dry the water, the rotating parts and joints coated with grease installed, safekeeping.

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