3516B Engine for 994F and 994H Wheel Loaders Caterpillar


Coolant Contains Oil

Usage:

994F 442

可能原因

  • 水泵

  • 发动机机油冷却器芯

  • 缸盖垫片

  • 缸盖

  • 缸套

  • 缸体

建议的措施

水泵

  1. 检查水泵的密封件周围有无泄漏。 检查密封件、叶轮轴和叶轮轴轴承有无损坏。 如果发现泄漏,更换损坏的部件。 请参考拆解和组装手册。

  1. 排空曲轴箱,使用清洁的发动机机油重新加注曲轴箱。 安装新发动机机油滤清器。 请参考操作和保养手册。

发动机机油冷却器芯

  1. 检查机油冷却器芯有无泄漏。 如果发现泄漏,应安装新机油冷却器芯。 请参考拆解和组装手册。

  1. 排空曲轴箱,使用清洁的发动机机油重新加注曲轴箱。 安装新发动机机油滤清器。 请参考操作和保养手册。

缸盖垫片

  1. 拆卸缸盖。 请参考拆解和组装手册。

  1. 检查缸套突出量。 请参考系统操作/测试和调整手册。

  1. 安装新缸盖垫片,在垫板上安装新水封。 请参考拆解和组装手册。

缸盖

检查缸盖有无裂纹。 如果发现裂纹,应修理和/或更换缸盖。 请参考拆解和组装手册。

缸套

检查缸套有无裂纹。 更换所有存在裂纹的缸套。 请参考拆解和组装手册。

缸体

检查缸体有无裂纹。 如果发现裂纹,应修理和/或更换缸体。

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