C7 Engine for Caterpillar Built Machine Caterpillar


Crankshaft Rear Seal - Remove and Install

Usage:

MH3037 KPM

拆卸步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A     1U-8145     钻头     1    
B     1U-7600     滑锤拉拔器总成     1    
C     4C-4869     拆卸器环     1    
D     5P-7312     密封件拆卸器     1    

开始:

  1. 拆下飞轮。


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. 利用工具 (A) 在曲轴后油封上钻出 3 个均匀分布的孔。



    图 1g00989088

  1. 通过交替改变工具 (B) 在小孔中的位置认真拆下曲轴后密封 (1) 。 此时,可以在不损坏曲轴后法兰表面的情况下,均匀拆下曲轴后油封 (1) 。

    注: 新出厂的发动机没有耐磨套。 更换过密封的发动机将配有耐磨套。

  1. 利用工具 (C) 和工具 (D) 拆下耐磨套(如果配备)。

安装步骤

表 2
所需工具    
工具     零件号     零件描述     数量    
E     1U-7598     密封安装工具总成     1    


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: 替代后密封随耐磨套一起提供。 此耐磨套必须与后密封一起安装。 新出厂的发动机没有耐磨套。 如果以下情况存在,严禁安装后密封:

  • 曲轴后密封已经和耐磨套分离。

  • 后密封总成出现损坏迹象。

  • 曲轴后密封已经过润滑。 此油封的设计在安装时必须干躁。

  1. 安装曲轴后密封前,确保曲轴后侧清洁干燥。



    图 2g01026625

    典型示例

  1. 利用工具 (E) 安装曲轴后密封 (1) 。

End By: 安装飞轮。 参考 拆解和组装, "飞轮 - 拆卸和安装"。

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