C13, C15, and C18 Engines for Caterpillar Built Machines Caterpillar


Valve Rotator or Spring Lock Is Free

Usage:

745 3F6
利用本程序进行气门旋转器或弹簧锁的故障诊断与排除。

可能的原因

  • 气门部件

建议的措施

表 1
故障诊断与排除测试步骤  数值  结果 

1. 气门部件

A. 检查以下部件是否损坏:

1. 气门旋转器
2. 弹簧锁
3. 气门弹簧
4. 气门

B. 确保气门不接触活塞。 如果气门接触活塞,则检查排气系统有无碎屑。
 

部件损坏 

结果:气门部件损坏。

更换损坏的部件。

气门旋转器开裂或断裂说明发动机超速。 确定发动机超速的原因。 修理该状况。
 

按所列步骤顺序完成以上步骤。

如果以上步骤未解决问题,请联系当地 Cat 代理商的技术通信员(TC)。 如需进一步的帮助,您的 TC 可以通过代理商解决方案网络(DSN)与您交谈。

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