In the process of operation of vane oil pump, sometimes, due to some reasons, some adverse phenomena will occur, such as inability to absorb oil. This phenomenon is one of the more common faults of vane oil pump. Then, what are the reasons for the inability of vane oil pump to absorb oil? Next let's take a look.

There are many reasons why the vane oil pump can't absorb oil. The connection between the suction pipe and the oil pipe of the oil pump is not close, and a large amount of air intrudes into it. At this time, it is necessary to unscrew the oil pipe joint, fill the oil in the oil pump, then start the slurry pump, and tighten the oil pipe joint after the air is removed; the blade clamping is also one of the reasons for this phenomenon, and a large number of air intruding into the oil pipe joint is one of the reasons. Generally, the oil is unclean and contaminated, thus blocking the matching clearance between the blade and the rotor slot, which is the main reason for the blade jamming. At this time, the blade oil pump needs to be disassembled and cleaned. According to the actual situation, it is necessary to see whether the blade needs to be ground, if necessary, until the blade can move flexibly in the rotor slot.

In addition, the reasons for the failure of vane pump to absorb oil are blockage of oil suction filter or suction pipe, insufficient oil in the tank, no oil suction pipe inserted into the oil and the wrong rotation direction of vane pump, etc.

Therefore, in the process of using vane oil pump, we must pay more attention to prevent this phenomenon.