3054E Industrial Engine Caterpillar


Crankshaft Rear Seal - Install

Usage:

3054E 304

安装步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A     FT-2806     定位工具     1    

注: 曲轴后油封和曲轴后油封壳体是作为一个整体组件制造的。 曲轴后油封组件通过十个调整螺钉紧固在缸体上。

注: 下列步骤适用于曲轴后油封是替换组件时的情况。

注: 曲轴后油封经过了润滑。 安装前,不需要润滑油封或曲轴法兰。

注: 新壳体组件随附有安装套管 (2) 。 安装曲轴法兰的壳体组件时,必须将安装套管安置到位,防止组装期间损坏曲轴后油封。


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. 确保曲轴法兰 (1) 保持清洁、干燥,并且没有金属毛边。 确保缸体表面和曲轴箱桥接件清洁、干燥。



    图 1g01148393

  1. 从新曲轴后油封组件 (3) 上撕掉包装材料。 确保将塑料衬套 (2) 端正地安装在曲轴后油封组件 (3) 的密封范围内。 提供塑料衬套 (2) 是为了在把油封唇推过曲轴法兰 (1) 时保护油封唇。



    图 2g01004958

    典型实例

  1. 将曲轴后油封组件 (3) 放在曲轴法兰 (1) 上方,并将塑料衬套 (2) 连接到曲轴法兰上。

  1. 确保塑料衬套 (2) 连接到曲轴法兰 (1) 上。 均匀推动曲轴后油封组件 (3) ,将组件平滑地推到曲轴法兰 (1) 上,直到组件抵住缸体。 在此过程中,将迫使塑料衬套 (2) 从曲轴后油封组件 (3) 上脱离。 废弃塑料衬套 (2) 。

  1. 转动曲轴后油封组件 (3) ,将组件中的调整螺钉孔与缸体后表面的调整螺钉孔对准。

  1. 安装调整螺钉 (5) ,将壳体组件 (3) 定位在缸体上。 不要拧紧螺栓。

  1. 将工具 (A) 置于壳体组件 (2) 上。 这可以将壳体组件对中在曲轴法兰 (3) 上。



    图 3g01148495

  1. 按数字次序拧紧调整螺钉 (1) 至扭矩为 22 N·m (16 lb ft)。 此时不要拧紧调整螺钉 (X) 。

  1. 拆下工具 (A) 。 以 22 N·m (16 lb ft) 的扭矩拧紧调整螺钉 (X) 。

End By: 安装飞轮。 请参阅 拆解和组装, "飞轮 - 安装"。

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