The second is that there is too much sand and gravel, and the impeller of the pump may also be damaged. Check the impeller of the pump and clean the sand in time.
The third is the wear between the power output of sprinkler and the gear of gearbox, the aging damage of water seal of pump and the wear of transmission shaft of pump, which will all cause the running power of sprinkler pump to be insufficient and the rotation speed to be reduced.
There is something wrong with the pump, too The quality of the pump is not enough. At the same time, open the nozzle, the pressure is dispersed, and the nozzle is too small.
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