Sprinkler Irrigation and Troubleshooting

The sprinklers are also called artificial rainfall machines. It has the advantages of saving water, increasing production, maintaining soil fertility, and strong adaptability. Therefore, it is widely applied in rural areas. In order to make full use of it and improve economic efficiency, the common faults and elimination methods are introduced as follows: The causes of water pump failure are: insufficient water in the self-priming pump; water leakage in the inlet pipe joint; too high suction range; too low speed. Should increase the amount of water storage; replace the seal ring; reduce the suction range; increase the speed. The reasons for the lack of water are: the inlet pipe filter or the impeller of the self-priming pump is blocked; the head is too high or the rotation speed is too low; the impeller is leaking at the ring mouth. Should clear the filter or impeller blockage; reduce the head or increase the speed; replace the ring seal ring. Reasons for leaking water pipelines include: wear or cracks in the quick-connect seals; dirt on the contact surfaces. The seal ring should be replaced; the dirt on the contact surface of the joint should be removed. The reason why the nozzle does not turn is as follows: the installation angle of the rocker arm is not correct; the installation height of the rocker arm is not enough; the rocker arm is loose or the rocker arm spring is too tight; the flow channel is blocked or the water pressure is too small; the gap between the hollow shaft and the shaft sleeve is too small. The relative positions of the water deflector, the water deflector and the water flow centerline should be adjusted; the rocker arm adjustment screw should be adjusted; the pressure plate screw should be tightened or the rocker arm spring angle should be adjusted; the clogging in the flow passage should be cleared or the working pressure should be adjusted; the hollow shaft and bushing should be ground. Or replace hollow shaft and sleeve. The reasons for the unstable operation of the nozzle include: incorrect installation position of the rocker arm; improper adjustment of the rocker arm spring or loose rocker shaft; failure of the commutator or serious wear of the rocker arm shaft; bulging height of the commutator pendulum block is too low; friction of the commutator Excessive force. Should adjust the rocker height; adjust the rocker spring or tighten the rocker shaft; replace the commutator spring or rocker arm sleeve; adjust the height of the pendulum block; The nozzles have a small range, and the reasons for uneven spraying include: the rocker arm strikes at a high frequency; the rocker arm is at a wrong height; the pressure is too low; and the flow path is blocked. Should adjust the rocker spring; adjust the rocker arm adjustment screw, change the rocker draft; adjust the working pressure; clear the flow channel blockage.

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