C4.4 Engines for Caterpillar Built Machines Caterpillar


Rocker Shaft and Pushrod - Remove

Usage:

C4.4 2W2

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
227-4389  E10 Torx 套筒 

开始:

  1. 拆下气门机构盖。 请参阅拆解和组装, "气门机构盖 - 拆卸和安装"。


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 1g01476297


    图 2g01792634
    典型示例

  1. 使用工具 (A) 逐步松开 torx 螺钉 (1)。 从摇臂轴组件两端开始向中间进行。

    注: 为了避免摇臂轴组件变形,松开各个 torx 螺钉时每次应转动四分之一圈。 重复该程序,直到松开所有 torx 螺钉。

  2. 将 torx 螺钉 (1) 从摇臂轴组件 (2) 上拆下。

  3. 将摇臂轴组件 (2) 从缸盖上卸下。

  4. 为了显示位置,在推杆 (3) 上作一个临时标记。 从缸盖上卸下推杆。

    注: 识别标记能确保将推杆重新安装在原来的位置。 不要调换旧推杆的位置。

  5. 为了显示位置和朝向,在阀桥 (4) 上作一个临时标记。 将阀桥从缸盖上拆下。 如果阀桥配有罩 (5),确保该罩已从缸盖上拆下。

    注: 识别标记能确保将阀桥重新安装在原来的位置和朝向。 请勿调换旧阀桥的位置或朝向。

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