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一辆黄河162型汽车因离合器沉重,进厂报修。该离合器的操纵机构为气压助力液压传动机构,出现该故障的可能原因有:一是气压助力器有故障,助力失效;二是压缩空气供给系统故障,即气压助力器进气阀处无压缩空气。根据上述分析,我们先对压缩空气供给系统进行检查:启动发动机充气,气压表白指针指到0.55MPa,而红指针仍指零不动。因此,断定
A Yellow 162 car due to heavy clutch, repair into the plant. The operating mechanism of the clutch is a pneumatic boosting hydraulic transmission mechanism. The possible causes of the failure are as follows: firstly, the pressure booster is faulty and the power fails; second, the compressed air supply system is faulty, that is, there is no compressed air at the intake valve of the booster valve . Based on the above analysis, we first check the compressed air supply system: start the engine inflated, air pressure refers to the pointer to 0.55MPa, while the red pointer still refers to zero motion. Therefore, concluded