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1. The working oil should be kept clean. It is recommended to install an oil filter with a filtration accuracy of 80-100μm in the suction pipe of the pump. Install an oil filter with a filtration accuracy of not less than 25μm in the oil return pipe, and clean it regularly according to the oil contamination. replace.
2. If the oil gear pump has oil filter, it should ensure that the effective flow rate of the oil filter should be greater than twice the maximum oil suction flow of the pump, and keep it clear to prevent blockage.
3. Strictly stipulate that before the pump installation starts, it must be filled with oil and exhaust so that the pump can absorb oil when driving. It is best to loosen a pipe joint in the pressure line, jog the power element to let the oil flow out until no air bubbles are seen, and then tighten the pipe joint (this operation should pay special attention to this treatment, the pump is not doing this operation is the initial Damage encountered the most failure). After the pump is installed, it should be carried out for no less than 10 minutes of no-load and short-time load operation.
4. The maximum temperature of the gear pump under continuous working conditions shall not exceed 80 °C, and the instantaneous working temperature shall not exceed 120 °C, so as to avoid premature aging of the seal.
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Hydraulic gear pump attention points Time: 2014-06-09 Source: http://