(1) no water or no water, mostly due to the end of the valve stuck, partial fouling of water; absorbent height is too high or suction pipe leaks; and impeller tract infarction, etc. should be identified to take the appropriate method of treatment. Tips: Installation and troubleshooting of agricultural pumps (2) pipeline leaks or leaks, the bolts can not be tightened device. If the leakage is not serious, in the center of leaking or leaking paint grout, and tighten the nut with a wrench; if serious water leakage, we must reload. (3) water pump violent vibration, can be uneven in the electric rotor, shaft coupling may be bad, bearing wear and bending; can also be caused by rotating parts slack, rupture and pipe support is not strong and so on. Should be adjusted depending on the situation to stop, strengthen, straighten or change.