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空气滤清器的性能直接影响着采煤机牵引部油箱的污染物入侵率，因此正确选择空气滤清器极为重要。选择空气滤清器应从过滤精度、空气阻力、空气滤清器的工作可靠性等方面考虑，空气滤清器的过滤精度应高于滤油器的绝对过滤精度；应由油箱呼吸孔的空气流量来决定空气滤清器的过滤流量。在实际应用中一般根据经验尽可能地选用过滤流量较大的空气滤清器。
The performance of the air filter has a direct impact on the pollutant penetration rate of the oil in the traction unit at the shearer. Therefore, it is very important to select the air filter correctly. Select the air filter should be from the filter accuracy, air resistance, air filter work reliability considerations, the air filter filter accuracy should be higher than the absolute filter oil filter accuracy; air flow should be breathed from the tank To determine the air filter filter flow. In practice, the general use of experience as much as possible to filter the flow of air filter selection.