C4.4 Engines for Caterpillar Built Machines Caterpillar


Rocker Shaft - Disassemble

Usage:

C4.4 2W2

拆解步骤

开始:

  1. 拆下摇臂轴组件。 请参阅拆解和组装, "摇臂轴和推杆 - 拆卸"。

------ WARNING! ------

被弹簧力爆出的零件击中,会招致人员伤害。

确保穿上所有必要的保护装备。

遵照建议的程序,并使用所有建议的工具以释放弹簧力。



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. 为了显示位置,在各个摇臂组件上作一个识别标记。

    注: 所有部件必须安装回原来的位置。 请勿交换使用部件。



    图 1g01476312
    典型示例

  2. 将基座 (1) 从摇臂轴 (1) 上拆下。 不要从基座上拆下定位销 (2)。

  3. 将排气门摇臂组件 (4) 从摇臂轴 (5) 上卸下。 将进气门摇臂组件 (3) 从摇臂轴 (5) 上卸下。 从摇臂轴组件后部开始。

    注: 进气门摇臂组件比排气门摇臂组件长。

  4. 将弹簧 (6) 从摇臂轴 (5) 上卸下。

  5. 重复步骤 3 至 4,将其余的摇臂从摇臂轴 (5) 上拆下。


    图 2g01181801

  6. 如有必要,将固定夹 (7) 和弹簧 (8) 从摇臂轴 (5) 前端拆下。

  7. 如有必要,从摇臂上卸下螺母 (9) 和调节器 (10)。 为了显示位置,在各个调节器上作一个临时的识别标记。

    注: 所有部件必须安装回原来的位置。 请勿交换使用部件。

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