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What is the reason why the oil pump does not pump oil?

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What is the reason why the oil pump does not pump oil?

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[Abstract]:
Oil pump not pumping oil usually only need to turn over the pump pressure side of the oil outlet joint can be identified, its factors may be caused by one or a few of the following conditions

   Oil pump not pumping oil usually only need to turn over the pump pressure side of the oil outlet joint can be identified, its factors may be caused by one or a few of the following conditions: insufficient oil in the tank; intake pipeline or filter blockage; air into the oil suction pipeline, can be detected from the abnormal noise; pump shaft rotation fault direction The connection of the three-phase motor may be misaligned due to negligence in repair; the shaft speed of the oil pump is too low; it may be caused by the loose connection of the three-phase motor to a single phase; mechanical failure. This usually occurs with the noise of the pump.

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Address: Guangdong Province, Da Lingshan Yeung Uk third industrial zone Dongguan City (Yang Lang roadside)