G3500 Engines Caterpillar


Noise Coming from Cylinder

Usage:

G3508 2TJ

可能的起因

  • 气门间隙不正确

  • 润滑不足

  • 气缸盖和相关的部件

推荐的修理

气门间隙

按照测试和调整, "气门间隙和气门桥臂调整"来检查气门间隙。

润滑不足

检查气门机构是否得到足够润滑。

气缸盖和相关的部件

测量可缸缸压。 请参阅发动机操作和保养手册, "气缸缸压 - 测量/记录" 。

检查气门机构零部件状态是否良好。 检查气门、气缸盖垫片等有无损坏和/或磨损的迹象。 检查凸轮轴的状况。 如果更换凸轮轴,必须安装新的气门挺杆。

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