C7.1 Engines Caterpillar


Camshaft Bearings - Remove and Install

Usage:

525D 2L5

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
8S-2241  凸轮轴轴承工具总成 
8H-0684  棘轮扳手 

开始:

  1. 拆下发动机机油泵。 有关正确的步骤,请参阅拆解和组装, "发动机机油泵 - 拆卸"。

  2. 拆下凸轮轴。 有关正确步骤,请参阅拆解和组装, "交流凸轮轴 - 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 1g02010213

  1. 检查凸轮轴轴承 (1)。 有关更多资料,请参阅技术参数, "凸轮轴轴承"。

  2. 如果凸轮轴轴承 (1) 磨损或损坏,使用工具 (A) 将凸轮轴轴承从缸体上拆下。

    注: 将凸轮轴轴承从缸体前部拆下。

安装步骤

表 2
所需工具 
工具  零件号  零件描述  数量 
8S-2241  凸轮轴轴承工具总成 
8H-0684  棘轮扳手 


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. 清洁缸体中的轴承壳体。 确保轴承壳体的油孔中没有碎屑。


    图 2g02010216

  2. 使用清洁的发动机机油润滑缸体中的轴承壳体。

  3. 准确地对准凸轮轴轴承 (1) 上的大油孔 (X) 与缸体上的油孔。

    注: 凸轮轴轴承中的凹槽 (Y) 必须处于缸体顶部。

  4. 使用工具 (A),将凸轮轴轴承 (1) 安装到缸体中。 安装凸轮轴轴承,使轴承前沿与缸体中的凹槽面平齐。

    注: 确保已将所有油孔正确对准。 如果没有正确对准油孔,应拆卸凸轮轴轴承。

结束:

  1. 安装凸轮轴。 有关正确步骤,请参阅拆解和组装, "交流凸轮轴 - 拆卸和安装"。

Caterpillar Information System:

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