C7.1 Engines Caterpillar


Valve Mechanism Cover - Remove and Install

Usage:

525D 2L5

拆卸步骤


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。




    图 1g03382451

  1. 将呼吸器软管从曲轴箱呼吸器的分离器上断开。 有关正确的步骤,请参阅拆解和组装, "曲轴箱呼吸器 - 拆卸"。

  2. 将螺栓 (1) 和螺栓 (2) 从气门机构盖 (3) 上拆下。

    注: 螺栓有两种不同的长度。 记录不同螺栓的位置。

  3. 将气门机构盖 (3) 从气门机构盖底座 (5) 上拆下。

  4. 将密封垫 (3) 从气门机构盖 (2) 上拆下。

  5. 如有必要,将曲轴箱呼吸器的分离器从气门机构盖底座上拆下。 有关正确的步骤,请参阅拆解和组装, "曲轴箱呼吸器 - 拆卸"。

安装步骤


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。


  1. 彻底清洁气门机构盖的所有密封垫表面。 清洁气门机构盖底座的密封垫表面。

  2. 如有必要,将曲轴箱呼吸器的分离器安装到气门机构盖 (2) 上。 有关正确的步骤,请参阅拆解和组装, "曲轴箱呼吸器 - 安装"。


    图 2g03382451


    图 3g03382471


    图 4g03382469

  3. 将新的密封垫 (4) 安装到气门机构盖 (3) 上。

    注: 确保密封垫完全座入气门机构盖的凹槽中。

  4. 确保线束组件 (6) 不会与气门机构盖底座 (5) 的摇臂接触。 将气门机构盖 (3) 安置在气门机构盖底座 (5) 上。 确保组装程序期间线束组件 (5) 不会截留。 安装螺栓 (1)。

  5. 将螺栓 (1) 和螺栓 (2) 安装到气门机构盖 (3) 上。

  6. 按照图 4 中所示的数字顺序拧紧螺栓 (1) 和螺栓 (2)。 拧紧螺栓至扭矩为 22 N·m (195 lb in)

  7. 将呼吸器软管连接到曲轴箱呼吸器的分离器上。 有关正确的步骤,请参阅拆解和组装, "曲轴箱呼吸器 - 安装"。

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