C280-12 and C280–16 Marine Engines Caterpillar


Fuel Injector - Install

Usage:

C280-16 A4F

安装步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
B     130-6993     喷油器座清洁刷     1    
C     5P-0960     润滑脂筒     -    


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。



注意

拆下单体喷油器孔中的保护塞。 通过单体喷油器孔小心地插入一个带有长刀片的螺丝刀,直至螺丝刀与活塞顶部接触。 取出螺丝刀,检查活塞顶部是否存在燃油或发动机油。 如果存在,用一个机油抽样真空吸取泵去除堆积。 大的液体堆积可能使液压封闭和发动机损坏。





    图 1g01299027

  1. 将新的密封件安装到喷油器 (6) 上。

  1. 还要将清洁的发动机机油涂抹在密封件上。

  1. 使用工具 (B) 和手钻清洁缸盖中的喷油器孔。

    注: 将工具 (C) 涂抹在缸盖油孔中,以便润滑 O 形密封圈。 工具 (C) 应覆盖油孔的整个长度。


    注意

    不要使单体喷油器的顶端接触任何部件。 顶端的损坏将需要更换单体喷油器。


  1. 小心地将喷油器 (6) 放置在缸盖中。


    注意

    不要敲击单体喷油器的顶部,以使单体喷油器在孔中就位。 否则可能会损坏顶部。 这将需要更换单体喷油器。



    注意

    如果在喷油器弹簧四周卡箍未处于中间,则在发动机运转时弹簧和卡箍可能会接触。 这可能会使喷油器弹簧或固定卡箍螺栓损坏。


  1. 安装单体喷油器卡箍 (5) 、垫圈和螺栓 (4) 。 拧紧螺栓至扭矩为 215 ± 40 N·m (160 ± 30 lb ft)。 用螺栓 (4) 和单体喷油器卡箍 (5) 将喷油器拉入位。

  1. 检查喷油器弹簧侧面和固定卡箍之间的区域。 卡箍应处于弹簧四周中央。 弹簧和卡箍之间的距离应在弹簧四周相等。



    图 2g01299028

  1. 拆下护盖并安装供油管组件 (3) 和回油管组件 (2) 。

  1. 拧紧缸盖上的螺母。 请参阅技术规格, "燃油管路",了解正确的扭矩。

  1. 将塞子安装到燃油压力控制阀中。

End By:

  1. 安装气门室罩盖座。 参考 拆解和组装, "气门室罩盖座 - 拆卸和安装"。
  2. 安装气门机构总成。 请参阅 拆解和组装, "气门机构 - 安装"。

Caterpillar Information System:

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