3500 and 3500B High Displacement Engines for Caterpillar Built Machines Caterpillar


Crankshaft Front Seal and Wear Sleeve - Remove

Usage:

785C 1HW

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 
1U-7325  扭转接头 
6V-3143 扭转接头(1) 
5P-7409  套筒扭转器 
(1) 与配有密封接头的发动机配合使用。

开始:

  1. 拆卸减振器。 参考拆解和组装, "减振器 - 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並縮短部件使用寿命。



注意

每次从耐磨衬套上拆下曲轴密封件时,都必须安装上新的耐磨衬套和曲轴密封件。




    图 1g00659180

  1. 在曲轴前密封 (1) 上钻出三个等距的孔,并使用工具 (A) 从前壳体上拆下曲轴前密封 (1)。


    图 2g00659181

  2. 在前壳体和耐磨衬套 (2) 之间插入工具 (B)。


    注意

    对套筒变扭器用力过大可能会导致变扭器接头损坏壳体,使之破裂。 为避免损坏发动机,拆卸耐磨衬套时用力不要过大。


  3. 在工具 (B) 和耐磨衬套 (2) 之间插入工具 (C)。 小心地转动工具 (C) 直到工具边缘使耐磨衬套 (2) 产生了折痕。

    在耐磨衬套 (2) 周围重复该步骤,直到可手动拆下耐磨衬套 (2)。

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