简介:摘要 发动机试车后出现滑油系统消耗异常故障,继而经过后传动机匣放油检查发现燃滑油发生串油事件,两个故障高度关联。因此本文针对燃滑油串油事件,结合燃滑油系统原理及其结构交联关系,通过采用故障树的方式进行逐项排查,最终定位滑油系统消耗异常故障的直接原因是中介油泵传动轴处挡油圈断裂。
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