3408E and 3412E Engines for Caterpillar Built Machines Caterpillar


Oil Contains Fuel

Usage:

3412E 1KR

可能原因

喷油器

  • 喷油器壳体上的密封泄漏

  • 喷油器柱塞缸壳体上的密封泄漏

  • 喷油器尖端严重泄漏

  • 喷油器尖端断裂

缸盖

  • 气缸盖裂纹

输油泵

  • 燃油输油泵密封件

建议的措施

------ WARNING! ------

接触高压燃油可能导致液体渗透和烧伤危险。 高压燃油溢出可能会产生火灾。 如果不遵循检查、保养和维修指南,可能会造成人身伤亡。


喷油器壳体上的密封泄漏

查找喷油器壳体上的密封有无损坏迹象。 更换所有漏油的密封件。

喷油器柱塞缸上的密封泄漏

查找喷油器柱塞缸内的密封有无损坏迹象。 更换所有漏油的密封件。

喷油器尖端严重泄漏

查找喷油器尖端有无损坏迹象。 必要时,修理或更换喷油器。

喷油器尖端断裂

查找喷油器尖端有无损坏迹象。 必要时,修理或更换喷油器。

缸盖开裂

查找缸盖内喷油器的燃油供应油道有无损坏迹象。 查找有无销孔泄漏。

燃油输送泵密封

确保排气预留孔未被阻塞。 如有必要,修理或更换燃油输油泵。

Caterpillar Information System:

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