3408E and 3412E Engines for Caterpillar Built Machines Caterpillar


Pistons and Connecting Rods - Remove

Usage:

769C 01X

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
9S-9082  发动机盘车工具 

开始:

  1. 拆卸缸盖。 请参阅拆解和组装, "缸盖 - 拆卸"。

  2. 拆卸发动机机油泵。 请参阅拆解和组装, "发动机机油泵 - 拆卸"。

  3. 卸下活塞冷却喷嘴。 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並縮短部件使用寿命。


  1. 从缸套内表面顶部开始清除积碳凸起。

  2. 使用工具 (A) 转动曲轴,直到两个活塞处于底部中心。


    图 1g01032888

  3. 安装螺栓 (1) 和轴承盖。 推动连杆和活塞,直到活塞环处于缸套外。

    注: 拆卸活塞和连杆时,当心不要损坏缸套和/或曲轴轴颈。



    图 2g01032895

  4. 从缸套上拆下活塞 (2) 和连杆。

  5. 重复步骤 1 至 4,以拆下其余的活塞和连杆。

Caterpillar Information System:

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