G3500B Engines Caterpillar


Oil Pressure Is High

Usage:

G3520B GLF
使用本步骤对发动机机油压力高进行故障诊断与排除,或者在下列任一事件代码激活时使用本步骤。 关于事件代码的信息,请参阅故障诊断与排除, "事件代码"。 必须进入 Caterpillar 电子技师(ET)上的发动机监控系统才能查看这些代码的当前触发点。 关于发动机监控系统的信息,请参阅故障诊断与排除, "发动机监控系统"。

表 1
事件代码 
说明  激活代码的条件  系统响应 
E683(1)发动机机油压力高  发动机机油压力已超过编程延迟时间的触发点。  记录该代码。
警报输出被激活。 
E683(3)发动机机油压力高  记录该代码。
停机输出启动。
发动机停机。

可能原因

  • 阻塞的油道或机油管路

  • 机油压力安全阀故障

建议的措施

阻塞的油道或机油管路

使用多个测压口确定机油管路或机油管道是否阻塞。 并进行任何必要的修理。 有关详情,请参阅系统操作/测试和调整, "测量发动机机油压力"。

机油压力安全阀故障

检查机油压力安全阀。 并进行任何必要的修理。

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