3176C and 3196 Engines For Caterpillar Built Machines Caterpillar


Electronic Unit Injector - Remove

Usage:

140H 126

拆卸步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
5F-4764  撬杆 

开始:

  1. 拆下摇臂轴组件和推杆。 请参阅拆解和组装 , "摇臂轴和推杆 - 拆卸"。


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

在进行检验、保养、测试、调整及维修产品期间,必须小心以确保装好排放出的油液。 在打开任何舱室或解体任何储有液体的部件之前,要准备好合适的容器收集液体。

有关收集和盛接 Cat 产品上油液的适用工具和用品,请参阅专门出版物, NENG2500, "代理商维修工具目录"。

按照当地法规和要求处置所有液体。




    图 1g01019031

  1. 将螺塞 (1) 从燃油歧管上拆下。


    图 2g01055070

  2. 为便于安装,在桥接组件 ( 4) 上作出识别标记。 拆下桥接组件 (4)。

  3. 从电子单体喷油器 ( 3) 上断开线束组件 ( 2)。

  4. 为便于安装,在电子单体喷油器上做识别标记。 必须将所有电子单体喷油器装回到各自的原装套管中。


    注意

    不要重复使用喷油器压紧螺栓。 必须使用新的喷油器压紧螺栓。



    注意

    在拆卸过程中,如果喷油器固定螺栓松动,应及时检查喷油器孔的磨损和破损情况。 换掉垫圈和隔套。


  5. 拆下螺栓 (5) 和隔套组件 ( 6)。

  6. 将工具 (A) 定位在固定压具 ( 7) 下方。 将电子单体喷油器 ( 3) 小心地从气缸盖组件中撬出来。 拆下电子单体喷油器 ( 3)。


    图 3g01061148

  7. 检查电子单体喷油器的喷油器座圈 ( 8)并检查顶端孔 (9)。


    图 4g01061150

  8. 将 O 形密封圈 (10) 从电子单体喷油器 ( 3) 上拆下。

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