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Repair and maintenance of water pump in electric sprayer

1. When the electric sprayer has no response after turning on the power switch, and the two input terminals of the water pump motor can work normally, this indicates that the pressure switch of the water pump is out of order. At this time, a normal pressure switch should be replaced immediately.

2. The battery voltage is normal and the water output is small. It may be caused by foreign matter obstructing the seal of the pump head, damage to the working bearing of the motor, or wear of the valve core and valve seat. The solution is to remove the foreign matter and replace the damaged parts.

3. When the motor in the water pump is aging, click it to start from good to bad, and sometimes even suddenly stop working, which shows that the service life of the motor is not long, and the motor needs to be replaced as soon as possible.

4. When there is air in the pump body or unsatisfactory irrigation and water diversion and other reasons, it is easy to cause the pump to fail to suck water. At this time, it must be checked immediately, and then the pump body should be filled with water, replaced with worn parts, and tightened nuts for maintenance according to the specific situation.

5. After long-term use, it is easy to appear abrasion, cracking, cavitation and other phenomena. At this time, it can be repaired by repair welding, brush plating or polymer materials.

6. The water close to the water source can shorten the length of the water delivery pipeline, and then cancel the bottom valve to eliminate the blockage of the water delivery pipeline. The water outlet is best to be level with the height of the water channel, which can increase the mechanical energy when the water is discharged and save energy for the water pump;