How to handle water pump?

How to handle water pump?

  The reason for the water pump is not water is the air or water intake in the pump, or the bottom valve is closed, the pump is not satisfied, the air pump packing is serious, the gate valve or the shutter door is closed.Get rid of the solution: first water pressure, then pump body filled with water, then turn on.At the same time, check whether the check valve is tight, whether there is air leakage in the pipe or joint, if the leakage is detected, then apply lubricating oil or mixed paint to the connection area after disassembly, and tighten the screw.Check the oil seal ring of the pump shaft, such as the abrasion should be changed easily.The pipeline leaks or leaks.It is possible to tighten the nut when it is installed.If the leakage is not serious, can be in the leakage or leakage of the area of the smearing, or use tar oil to stir the slurry.Temporary repairs can be made with some wet mud or alkaloid.If leakage in the connection, then the board can tighten the nut, if the leakage is serious, it is necessary to remove the pipe from the new crack;Reduce the head lift, and push the nozzle of the pump into the water under 0.5m.