G3600 Engines Caterpillar


Cylinder Is Noisy

Usage:

G3606B 4ZS

可能原因

  • 气门桥和/或气门间隙不正确

  • 润滑不足

  • 缸盖和/或相关部件有故障

  • 预燃室螺栓有故障

建议的措施

气门桥和气门间隙

按照系统运作/测试和调整, "发动机正时步骤"中的说明检查气门桥和气门间隙。

润滑不足

检查气门机构是否得到足够润滑。 发动机机油通道必须清洁。

缸盖和相关的部件

测量气缸缸压。 请参见发动机的操作和保养手册, "缸压 - 测量/记录"。

检查气门机构的组件:气门, 气门弹簧, 气门锁 和 气门旋转器。

检查摇臂和气门桥的接触表面。

检查推杆。

检查气门的运动是否顺畅。 如果气门不能运动自如,检查是否存在以下状况:

  • 气门杆弯曲。

  • 凸轮轴挺杆损坏或挺杆磨损。

  • 凸轮轴损坏或凸轮轴磨损。

  • 摇臂轴的固定螺栓松动或螺栓损坏。

更换磨损和/或损坏的零部件。

如果更换凸轮轴,必须安装新的气门挺杆。

预燃室螺栓

检查预燃室的螺栓。 确保螺栓没有松动或损坏。 必要时,更换螺栓。

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