Safety operating rules for deep well water pumps

1) deep well water pump should be used in the sand content of less than 0.01% of the clean water pump, pump room equipped with pre-run water tank, the capacity should meet the required pre-run a water run.

2) newly installed or overhauled deep well pump should adjust the clearance between the pump casing and the impeller, and the impeller shall not rub against the shell during operation.

3) deep well pump should be run before the water into the shaft and bearing shell for pre-run.

4) before the start of deep well pump, check the project should meet the following requirements:
① Base bolts are fastened.
② axial clearance to meet the requirements.Adjustment of the bolt nut has been installed.
③ packing gland has been tightened and lubricated.
④ motor bearing lubrication.
⑤ Rotate the motor by hand and stop the mechanism of the rotor are flexible and effective.

5) deep well pump shall not idle in the absence of water. Pump one, two impeller should be immersed in the water level below 1m. The water level in the well should be observed frequently during operation.

6) In operation, when found around the base of a larger vibration, should check the pump bearing or motor packing wear. When excessive wear and leakage, should replace the new pieces.

7) has been sucked, discharged through the deep mud with sand pump, before stopping the pump, the application of clean water rinse.

8) stop the pump should be closed before the water valve, cut off the power. Lock the switch box. When the winter stop. Should be put in the net pump water.