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


Crankshaft Wear Sleeve (Rear) - Remove and Install

Usage:

CB-22 220

拆卸步骤

开始:

  1. 拆下曲轴后密封。 有关正确步骤,请参阅拆解和装配, "曲轴后油封 - 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: 承磨衬套用于矫正磨损或损坏的密封面。 承磨衬套不是原装设备。



    图 1g03786380
    曲轴和曲轴承磨衬套的截面图

  1. 使用一个适当的锋利工具,刻一条横穿曲轴承磨衬套 (1) 的深线。

    注: 有些曲轴承磨衬套可能有法兰。 小心不要损坏曲轴。

  2. 将一个薄刀片从刻线下面插入曲轴承磨衬套 (1) 与曲轴 (2) 之间。 曲轴承磨衬套将沿着刻线分开。

  3. 从曲轴 (2) 上拆下曲轴承磨衬套 (1)。 废弃曲轴承磨衬套。

安装步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
1U-8846  密封胶 


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。


  1. 确保曲轴彻底清洁和干燥。 切去所有出现损坏的区域。


    图 2g03786381
    承磨衬套剖视图


    图 3g03786382
    曲轴、承磨衬套和安装工具剖视图


    图 4g03786398

  2. 在曲轴承磨衬套 (1) 内表面的 X 部位涂敷一小滴连续的工具 (A)。 沿曲轴承磨衬套的法兰端涂抹一滴工具 (A) 5.00 mm (0.2 inch)

  3. 将曲轴承磨衬套 (1) 与曲轴 (2) 对准。 将与曲轴承磨衬套一同提供的安装工具 (3) 放到曲轴上。 使用锤子将曲轴承磨衬套敲入曲轴。 确保尺寸 (Y) 为 6.5 mm (0.26 inch)

    注: 尺寸 (Y) 是指从曲轴承磨衬套边缘到曲轴后表面的距离。

  4. 拆下安装工具 (3)。

  5. 使用适当的工具切断曲轴承磨衬套 (1) 上的刻线 (Z),消除曲轴承磨衬套的曲面。确保消除曲轴承磨衬套的曲面时曲轴承磨衬套的曲轴后油封表面未变形或损坏。

    注: 确保曲轴承磨衬套没有粗边,如果曲轴承磨衬套有粗边,使用适当的工具清理粗边。

结束:

  1. 安装一个新的曲轴后油封。 有关正确步骤,请参阅拆解和装配, "曲轴后油封 - 拆卸和安装"。

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