3304B and 3306B Engines for Caterpillar Built Machines Caterpillar


Pistons and Connecting Rods - Remove

Usage:

D6D 01Y

拆卸步骤

Table 1
所需工具    
工具     零件号     零件名称     数量    
A     8S-2269     缸口铰刀     1    

开始:

  1. 拆卸间隔板。 请参考解体与组装, "间隔板 - 拆卸和安装"。
  2. 拆卸发动机油底壳护板。 请参考解体与组装, "发动机油底壳护板 - 拆卸和安装"。
  3. 拆卸发动机机油泵。 请参考解体与组装, "发动机机油泵 - 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。


  1. 使用工具 (A) 从缸套内表面上去除缸套磨损凸肩。



    图 1g00483120

  1. 转动曲轴,直到两个活塞处于下止点。 从连杆上拆下连杆螺母 (1) 。 拆卸连杆盖 (2) 。 在连杆盖和连杆上作上识别标记。 为了便于安装,识别标记必须在轴承凸键侧。



    图 2g00483180



    图 3g00496980

  1. 在拆下连杆盖 (2) 后,将连杆 (3) 推离曲轴,直到活塞环从缸套中脱出。 从缸体上拆下活塞 (4) 。

  1. 确保连杆和连杆盖保持为一组。 在每个活塞上作上识别标记,以便确定活塞在缸体中的位置。

  1. 对于其余的活塞和连杆,重复第 1 至 4 步。

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