C4.4 and C6.6 Engines Caterpillar


Engine Shutdown Occurrence

Usage:

C4.4 448
注: 按下紧急停机按钮时立即停止发动机。

可能原因

  • 操作员

  • 燃油

  • 机械故障

建议的措施

按所列步骤顺序完成以上步骤。

表 1
故障诊断与排除测试步骤     数值     结果    

1. 操作员

A. 确定引起发动机熄火的事件。

B. 延迟发动机停机可能未完成。
   

操作员
   

结果:操作员正确操作发动机。

转至测试步骤 2。

结果:操作员不正确操作发动机。

修理:确保操作员获得正确操作发动机所需的信息。
   

2. 燃油

A. 发动机用尽燃油。
   

燃油
   

结果:发动机用尽燃油。

修理:确保燃油表提供准确读数。

确保操作员知道发动机需要充足的燃油供应。

确认故障已排除。

结果:发动机未用尽燃油。

转至测试步骤 3。
   

3. 机械故障

A. 检查有无机械故障。
   

机械故障
   

结果:出现了机械故障。

修理:诊断和维修故障。

确认修理后故障排除。

如果仍存在故障,联系代理商解决方案网络(DSN)。
   

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