1. Deep-well pump should be used in the sand content of less than 0.01% of the clean water, pump room equipped with pre-run water tanks, capacity should be satisfied with the launch of a pre-run water.
2. newly installed or through the overhaul of the deep well pump, should adjust the pump casing and the impeller gap, the impeller in the work shall not conflict with the shell.
3 deep well pump before work should be clear water into the shaft and bearing shell for pre-run.
4. Before the deep well pump is started, the viewing project should meet the following requirements:
1) the base of the base bolts have been tightened;
2) axial gap fit needs, conditioning bolts of nuts have been installed;
3) packing gland has been tightened and through the smooth;
4) The motor bearing is smooth;
5) Rotate the motor by hand and stop the rotation of the organization are sensitive and useful.
5. The deep well pump shall not run idly under anhydrous conditions. Pump one, two impeller should be immersed in the water level below 1m. Work should always investigate the water level changes in the situation.
6. Work, when found around the base has a large oscillation, should check the pump bearing or motor packing wear situation; when excessive wear and leakage, should replace the new pieces.
7. Has been sucked, row too deep mud pump sand, before stopping the pump, the use of water scouring clean.
8. Stop the pump, you should first close the outlet valve, cut off the power supply, lock the switch box. When the winter stops, should be put in the net pump water, to prevent ice.
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