Engine Oil Pump - Inspect
机油泵供油管的进口滤网可能会有阻塞。 该阻塞会导致气穴的形成和机油压力降低。 如果机油泵供油一侧发生漏气，也会导致气穴的形成和机油压力降低。 如果发动机机油泵旁通阀保持在开启位置，润滑系统会无法达到最大压力。 机油泵齿轮如果严重磨损的话，会使机油压力下降。
如果发动机机油泵的任何零件磨损到足以影响发动机机油泵的性能的话，则必需更换发动机机油泵。 有关间隙，请参阅规格, "发动机机油泵"。
Caterpillar Information System:
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