C4.4 Industrial Engine Caterpillar


Housing (Front) - Remove - Heavy Duty Housing (Front)

Usage:

C4.4 448

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",以了解正确的步骤。
  2. 拆下曲轴皮带轮。 有关正确步骤,请参阅拆解和装配, "曲轴皮带轮 - 拆卸"。
  3. 拆下发动机油底壳。 有关正确步骤,请参阅拆解和组装, "发动机油底壳 - 拆卸"。
  4. 如果发动机配备了附件驱动器,卸下该附件驱动器。 有关正确步骤,请参阅拆解和组装, "附件驱动器 - 拆卸和安装"。
  5. 拆下水泵。 请参阅拆解和组装, "水泵 - 拆卸"以了解正确的程序。
  6. 卸下正时齿轮。 有关正确步骤,请参阅拆解和组装手册, "齿轮总成(前)- 拆卸和安装"。
  7. 拆下燃油喷油泵。 有关正确的步骤,请参考拆解和组装, "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。





    图 1g02490356

  1. 将锁片 (1) (未显示)滑动到解锁位置。

  1. 将线束组件 (2) 从冷却液温度传感器 (3) 上断开。

  1. 切断电缆带 (4) ,然后将线束组件 (2) 从旁通管 (5) 上拆下。

  1. 拆下将旁通管 (5) 固定到前壳体 (7) 上的螺栓 (6) 。

  1. 从缸盖上卸下旁通管 (5) 。 将 O 形密封圈 (8) 和 O 形密封圈 (9) 从旁通管 (5) 上拆下。



    图 2g02490357

  1. 将螺栓 (11) 、 (12) 和 (13) 从前壳体 (7) 上拆下。

    注: 螺栓有三种不同的长度。 记录不同长度螺栓的位置。

  1. 从缸体上卸下前壳体 (7) 。

  1. 拆下密封垫 (14) 。

  1. 必要时,遵循步骤 9.a 至步骤 9.b 将轴承 (10) 从壳体 (7) 上拆下。

    1. 将壳体 (7) 放在适当的支承上。

    1. 使用适当的工具将轴承 (10) 压出壳体 (7) 。



    图 3g02490358

  1. 将止推垫圈 (15) 从缸体 (16) 上拆下。

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