C280-12 and C280–16 Marine Engines Caterpillar


Camshaft Drive Gear - Remove

Usage:

C280-16 A4F

拆卸步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A     6V-6080     扭矩倍增器     1    
5P-1748 套筒     1    


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. 将凸轮轴驱动齿轮盖从后壳体左侧拆下。

  1. 将后凸轮轴检查盖从发动机两侧拆下。 从保存位置拆下凸轮轴正时销钉。 用手动盘机组件转动发动机,直至可以将正时销安装在曲轴和两个凸轮轴中。



    图 1g01294805

  1. 将螺栓 (2) 和转速正时轮 (1) 从凸轮轴驱动齿轮上拆下。



    图 2g01294836

  1. 松开螺栓 (6) 时,锁止手动盘机组件以防止发动机旋转。

  1. 将正时销从曲轴和凸轮轴上拆下。

  1. 使用工具 (A) 以松开螺栓 (6) 。

  1. 拆下螺栓 (6) 和垫圈 (5) 。

  1. 拆下螺栓 (4) ,然后拆下板 (7) 。

  1. 将垫圈 (5) 置于凸轮轴和板 (7) 之间,然后安装螺栓 (6) 。

  1. 用手安装并拧紧螺栓 (4) 。

    注: 当凸轮轴驱动齿轮与凸轮轴锥面脱开时,确保已安装螺栓 (6) 以固定凸轮轴驱动齿轮 (3) 。

  1. 均匀拧紧螺栓 (4) ,以便将凸轮轴驱动齿轮 (3) 拉出凸轮轴锥面。

  1. 将适当的起吊设备连接在凸轮轴驱动齿轮 (3) 上。 凸轮轴驱动齿轮 (3) 的重量约为 35 kg (77 lb)。 拆下螺栓 (4) 、螺栓 (6) 、板 (7) 和垫圈 (5) 。 将凸轮轴驱动齿轮 (3) 从后壳体上拆下。

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