C7 Engines for Caterpillar Built Machines Caterpillar


Camshaft - Remove

Usage:

584HD 109

拆卸步骤

表 1
所需工具    
工具     零件号     零件说明     数量    
A     136-4632     正时销     1    
139-7063 正时销接头     1    
B     FT-2730     拉拔器     12    

开始:

  1. 拆下减振器和皮带轮。 请参阅拆解和组装, "减振器和皮带轮 - 拆卸和安装"。
  2. 拆下摇臂和推杆。 请参阅拆解和组装, "摇臂轴和推杆 - 拆卸"。
  3. 拆下前盖。 请参阅拆解和组装, "前盖 - 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。


  1. 使用工具 (B) 移开气门挺杆。

  1. 确保 1 号气缸处于压缩冲程的上止点。 请参阅测试和调整, "确定 1 号活塞的上止点"。 将工具 (A) 安装在飞轮中。

  1. 确保对准下列齿轮的正时标记:凸轮轴驱动齿轮, 惰轮 和 曲轴齿轮。



    图 1g01125899

  1. 转动凸轮轴齿轮 (1) ,以便接近螺栓 (2) 。 卸下螺栓 (2) 。

  1. 拆卸止推片 (3) 。

  1. 从缸体上拆下凸轮轴 (4) 。

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