BRY air-cooled centrifugal oil pump troubleshooting method and solution

BRY air-cooled centrifugal oil pump troubleshooting methods and solutions to cause BRY air-cooled centrifugal oil pump failure is a variety of reasons, but in general, can be attributed to two aspects: First, due to design reasons caused by BRY Air-cooled centrifugal oil pump itself fails; but because of the use of maintenance and assembly problems and other external factors caused by the failure. Since the fault caused by the former is not easy to eliminate for the average user, only the latter is discussed here. The common failure phenomena of BRY air-cooled centrifugal oil pump include insufficient pressure, insufficient noise in displacement, and excessive temperature.
Insufficient pressure.
The main reason for the lack of pressure: The wrong direction of the motor causes the pump not to absorb oil. Poesteban can change the direction of the motor. Suction pipe or filter is clogged. Clear the pipeline and clean the filter. BRY air-cooled centrifugal oil pump leaked severely. This is mostly due to the wear of the BRY air-cooled centrifugal oil pump. After the gear pump's gear end surface and the pump cover's inner side wear, it will cause the gap to be too large, which is the main reason for leakage. The solution is to grind the gear end face and pump body end face to ensure proper end clearance.
The wear of the vane pump's inner surface of the stator and the top rotor of the vane and the end face of the valve plate is the most common. The excessive curve of the inner surface of the stator of the double-acting vane pump is most likely to be worn in part of the oil absorption area due to the pressure oil at the root of the blade. The solution is: When the wear is not serious, you can use fine gauze grinding, turning the stator to use 180 °; if the blade top wear, can make the root of the blade chamfered or rounded, as a new top to use; rotor and valve plate face When the wear is severe, the method of grinding may also be used, but at the same time, the blades should be repaired to ensure that the blades are 0.005-0.01 mm smaller than the rotor, and the end face of the stator is also ground so that the axial clearance is controlled in the range of 0.04 to 0.07 mm. If the wear between the piston body of the plunger pump and the piston and cylinder bore of the distributor plate is severe, the output pressure will also be insufficient. The solution is to grind the contact surface or replace the valve plate and plunger. In addition, attention should be paid to tighten the screws at the joints and it is forbidden to leak them.
Insufficient displacement.
BRY air-cooled centrifugal pump is often the cause of the lack of pressure because of the lack of displacement, in addition to other reasons: BRY air-cooled centrifugal pump speed is not enough, so that insufficient suction flow. This phenomenon is often caused by slipping or insufficient power of the pump's drive. The oil inlet leaks, and the reason for leaking is mostly poor sealing at the fitting. Insufficient oil in the tank The mounting position of the pump is too high. The oil viscosity is too high, making it difficult to absorb oil. If the viscosity of the oil mixed in the air is too low or the oil temperature is too high, the leakage increases and the flow rate is insufficient.
Temperature is too high.
The temperature of the BRY air-cooled centrifugal oil pump is not more than 65°C. From the perspective of use and maintenance, the cause of excessive temperature rise is as follows: The assembly quality is not guaranteed, and the relative motion of the surface oil film is destroyed and the dry friction is different. The BRY air-cooled centrifugal oil pump has serious wear and tear, which increases leakage and volume efficiency, and its loss is converted into heat energy.









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