1. Speed is too low
Some users due to his first wife motor damage, free with the other motor femoral artery, results in the formation of the small flow and low lift even not feeding results. Motor windings burned, while the loss of field, change of repair in the winding turns, wire diameter, wiring methods, or repair problems have not been completely cleaning elements will pump speed changes. Impeller and pump shaft fastening nut loose or pump shaft deformation, the formation of multi impeller, directly with the pump body friction, or bearing damage, there may be a decline in pump speed.
2. Suction process is too large
Some of the deeper water, some water sources of the surrounding terrain is relatively flat, and the neglect of the pump allows suction process, resulting in a small water absorption or weak foundation results.
3. Self priming pump out of the smaller amount of water
The self sucking pump water but the amount of water not to make a lot of time, first of all to check the impeller and the casing mouth ring gap is not too large, can consider shedding or impeller mouth ring, secondly pumps air is perhaps the elements of, another maybe is the impeller flow pipeline blockage. There is serious wear of packing.
4. The flow of water and water pipes in the loss of too large, it will cause the self suction pump no water
The impact of self suction pump can not be a lot of water, the use of the situation is not the same, the elements are not the same, can be used in accordance with the actual situation to solve the problem of cleaning.
