C1.1, C1.5 and C2.2 Engines for Caterpillar Built Machines Caterpillar


Crankshaft Front Seal - Remove and Install

Usage:

CB-22 220

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
1U-7600  滑锤拉拔器 

开始:

  1. 拆下曲轴皮带轮。 请参阅拆解和组装, "曲轴皮带轮 - 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 1g01310976
    典型示例

  1. 使用 4 mm (0.158 inch) 钻在曲轴前油封 (2) 上钻三个孔。


    注意

    确保使用主唇部拆卸曲轴前油封。 不要损坏曲轴前油封壳体的边缘。


    注: 拆卸曲轴前油封的过程中切勿损坏曲轴。

  2. 使用工具 (A) 小心拆下曲轴前油封 (2)。 将工具 (A) 的位置从一个孔换到另一个孔。 这样可使您均匀地从前壳体 (1) 上拆下曲轴前油封。

备选拆卸步骤

开始:

  1. 拆下曲轴皮带轮。 请参阅拆解和组装, "曲轴皮带轮 - 拆卸和安装"。

  2. 拆卸前壳体。 请参阅拆解和组装, "壳体(前) - 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: 还有另一个拆卸曲轴前油封的步骤。 从发动机上拆下前壳体后使用本步骤。

  1. 使用适当的心轴和压具从前盖上拆下油封。 确保前盖得到正确支撑,以防止在拆卸油封时损坏盖。

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。




    图 2g01311777
    典型示例

  1. 确保前壳体 (1) 上的孔和曲轴的鼻端干净、无损坏。

  2. 用清洁的发动机机油润滑新曲轴前油封 (2) 的唇口。

  3. 将曲轴前油封 (2) 放置在前壳体 (1) 的孔中。


    注意

    确保弹簧加载式曲轴前油封的唇缘朝向前壳体的内侧,并且正好位于曲轴前油封使用的壳体孔中。


  4. 使用适当的工具将曲轴前油封 (2) 安装到前壳体 (1) 上。

结束:

  1. 安装曲轴皮带轮。 请参阅拆解和组装, "曲轴皮带轮 - 拆卸和安装"。

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