G3600 Engines Caterpillar


Engine Has Mechanical Noise (Knock)

Usage:

G3606B 4ZS

可能原因

  • 从动设备

  • 缸盖和相关的部件

  • 连杆轴承

  • 齿轮系

  • 曲轴和相关的部件

  • 活塞

  • 爆震

建议的措施

从动设备

检查被驱动设备的对中和平衡。 检查联轴器。 必要时,分离被驱动设备,然后再测试发动机。

缸盖和相关的部件

检查气门机构的部件。 检查有无损坏迹象和/或气门、气门桥、气门挺杆、缸盖垫片磨损现象等。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。

连杆轴承

检查连杆轴承和曲轴轴承表面。 检查发动机机油滤清器中有无轴承的碎屑。 如有必要,安装新零件。

齿轮系

检查齿轮系的状况。

检查发动机机油滤清器有无非铁质材料。 非铁质碎屑可能表明齿轮系轴承磨损。

曲轴

检查曲轴和相关部件。 检查主轴承和曲轴上的轴承表面。 确保轴承处于正确位置。

查找止推片和曲轴有无磨损。

检查配重的螺栓。 请参阅技术规范, "曲轴"。

活塞

确保活塞销安装正确。 挡圈必须牢固。

按照再用零件和修复操作指导原则来检查活塞状况。

爆震

查看控制面板的显示器有无爆震发生。 请参阅故障诊断和排除, "爆震发生"。

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