C4.4 Engines for Caterpillar Built Machines Caterpillar


Housing (Front) - Remove

Usage:

C4.4 2W2

拆卸步骤

开始:

  1. 拆下风扇。 请参阅拆解和组装, "风扇 - 拆卸和安装"。

  2. 拆下交流发电机。 请参阅拆解和组装, "交流发电机 - 拆卸"。

  3. 拆下曲轴皮带轮。 请参阅拆解和组装, "曲轴皮带轮 - 拆卸和安装"。

  4. 拆下发动机油底壳。 请参阅拆解和组装, "发动机油底壳 - 拆卸和安装"。

  5. 卸下正时齿轮。 请参阅拆解和组装, "齿轮总成(前)- 拆卸和安装"。

  6. 拆下燃油喷油泵。 请参阅拆解和组装, "燃油喷油泵 - 拆卸"。


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损和缩短部件寿命。



注意

在检验、保养、测试、调整及维修产品时,务必留心,确保液体盛装在容器中。 在打开任何腔室或拆解任何储有液体的部件之前,要准备好用合适的容器收集液体。

按照本地法规和指令处置所有液体。


  1. 确保将冷却液排入合适的容器以便保存或废弃这些冷却液。 参考操作和保养手册, "冷却系统冷却液 - 更换"以了解正确的步骤。


    图 1g01337982
    典型示例

  2. 拆下将旁通管 (2) 固定在前壳体 (3) 上的螺栓 (1)。 记录所有螺栓固定的支架的位置。 卸下旁通管 (2)。 将 O 形密封圈 (4) 和 (5) 从旁通管 (2) 上拆下。


    图 2g03663329

  3. 如果发动机配备重载惰齿轮。 拆下板 (6)。 有关正确的步骤,请参阅解体和组装, "惰齿轮 - 拆卸"。


    图 3g01350336
    典型示例

  4. 从前齿轮室 (3) 上卸下螺栓 (8)、 (9) 和 (10)。

    注: 螺栓有三种不同的长度。 记录不同螺栓的位置。

  5. 从缸体上卸下前壳体 (3)。

  6. 卸下接头 (7)。


    图 4g01350337
    典型示例

  7. 将止推垫圈 (11) 从缸体上拆下。

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