C9.3 Engines for Caterpillar Built Machines Caterpillar


Pistons and Connecting Rods - Remove

Usage:

336E L BMH

拆卸步骤

开始:

  1. 拆下缸盖。 请参阅拆解和组装, "缸盖 - 拆卸"。
  2. 拆下发动机机油泵。 请参阅拆解和组装, "发动机机油泵 - 拆卸"。
  3. 拆下活塞冷却喷嘴。 请参阅拆解和组装, "活塞冷却喷嘴 - 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 1g01261956

  1. 转动曲轴,直到连杆盖位于下止点。

  1. 在连杆和连杆盖 (2) 上做上识别标记。 该编号必须与气缸号一致。

  1. 拆下螺栓 (1) 和连杆盖 (2) 。



    图 2g01261959

  1. 从连杆盖 (2) 上拆下连杆轴承 (4) 的下半部分。

  1. 将活塞和连杆推离曲轴。 从连杆 (3) 上拆下连杆轴承 (4) 的上半部分。

    注: 记录每个活塞和连杆的方位和位置以便于安装。 在安装时,连杆的锻造编号面向发动机的飞轮端。

  1. 从缸体上拆下活塞和连杆 (3) 。

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