4 kinds of troubleshooting for agricultural small water pump

1, can not start. Check that the wire connection is secure and that the switch contacts are tight. If there is a broken circuit or poor contact, it should be repaired.
2, can not absorb water. The reason is that there is air in the pump body or water in the inlet pipe. Remedy: Press water first, fill the pump with water, and turn it on. At the same time, check whether the check valve is tight and whether there is any air leakage in the pipes and fittings. If air leakage is found, apply lubricant or paint to the joint after disassembly, and tighten the screws. Check the oil seal ring of the pump shaft. If it is worn out, replace it with a new one.
3, motor overheating. Check wiring and switches for short-circuits. Check impeller and impeller cover, motor stator and rotor for friction, and remove obstacles in time.
4, lack of traffic. This is because the head is too high, the tubing is too long, or the tubing has a right angle bend. Should adjust the head, shorten the pipeline or change the curvature of the pipeline, but also must check and rule out the filter and pipe clogging.

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