Safe operation of deep well pump

1) Deep well pump should be used in the sand content of less than 0.01% of the water pump, the pump room equipped with pre-run tank, the capacity should meet the required start of a pre-run water.
2) New or overhauled deep well pump, should adjust the pump shell and impeller clearance. Impeller in the operation shall not friction with the shell.
3) Deep well pump should be run before the water into the shaft and bearing the shell for pre-run.
4) Before the start of the deep well pump, the inspection items shall meet the following requirements:
① Base base bolts are tightened.
② axial clearance to meet the requirements of the adjustment of the bolt nuts have been installed.
③ The packing gland is tightened and lubricated.
④ motor bearings have been lubricated.
⑤ Rotary motor rotor and stop mechanism are flexible and effective.
5) Deep well pump can not be idle in the absence of water. Pumps One or two impellers should be immersed below water level 1m. Operation should always observe the changes in the water level in the well.
6) During operation, when there is a large vibration around the foundation, check the wear of the pump bearing or the motor packing. When excessive wear and leakage, should replace the new pieces.
7) has been sucked, drained with mud deep well pump, before stopping the pump, the application of water rinse.
8) Before shutting down the pump, turn off the water valve and turn off the power supply. When the winter is deactivated, the water should be put in the pump.