3500B and 3500C Generator Set Engines Caterpillar


E013 High Crankcase Pressure Shutdown

Usage:

3508 BGX
产生此代码的情况:

电子控制模块(ECM)检测到曲轴箱压力超过触发点。 可在故障诊断与排除, "事件代码"中找到有关此事件代码缺省设置及范围的信息。

系统响应:

事件代码会记录下来。

可能对性能的影响:

发动机停机

故障诊断和排除:

下列其中一个发动机部件可能有故障:

  • 活塞

  • 气门导管磨损

  • 曲轴箱通气装置堵塞

测试步骤 1. 检查发动机部件是否磨损

  1. 活塞或活塞环损坏可造成曲轴箱压力过高。 这种状况会导致发动机运转不平稳。 从曲轴箱通气装置冒出的烟雾(窜气)量也会高于正常水平。 此通气装置就可能会在很短的时间里阻塞,造成正常情况下不该漏油的密封垫和密封出现漏油。 曲轴箱窜气也可能因磨损的气门导管或损坏的涡轮增压器密封而导致的。

  2. 曲轴箱通气装置堵塞将引起曲轴箱压力过大。 曲轴密封泄漏可能发生。 活塞环的密封可能丢失。 这样将使曲轴箱窜气能进一步增加曲轴箱压力。

  3. 8T-2700 曲轴箱窜气量/空气流量指示仪可用于检查窜气量。 有关检查曲轴箱窜气量的测试程序,请参阅专门说明书, SEHS8712, " 8T-2700 曲轴箱窜气量/空气流量指示仪的使用"的使用。

预期结果:

彻底检查后发现故障。

结果:

  • 正常 - 发动机部件存在故障。

    修复: 修理故障。 确保修理后故障被排除。

    停止

Caterpillar Information System:

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