3408E and 3412E Engines for Caterpillar Built Machines Caterpillar


Unit Injector Hydraulic Pump - Remove

Usage:

769C 01X

拆卸步骤


注意

在检验、保养、测试、调整及维修发动机时,请小心确保盛接流出的液体。 在打开或拆解任何储有液体的部件之前,要准备好合适的容器收集液体。

有关适合收集和盛接卡特彼勒产品上的液体的工具和供应品,请参阅专门出版物, NENG2500, "卡特彼勒代理商工具目录"。

按照本地法规和条例处置所有液体。



注意

保持所有零件清洁无杂质。

杂质会造成快速磨损並縮短部件使用寿命。



注意

不要让脏物进入燃油系统。 彻底清洁将要拆开的燃油系统部件的周围区域。 在拆开的燃油系统部件上安放适当的盖。


注: 仅为拍照而拆下了后冷器。



    图 1g00553070
    典型实例

  1. 断开软管组件 (1) 和管组件 (2)。

  2. 拆下 O 形密封圈。 拆下软管组件和管组件后,立即在所有阳接头上加装保护盖,在所有阴接头上加装螺塞。


    图 2g00553072
    典型实例

  3. 断开管组件 (3)。 拆下 O 形密封圈。 拆下管组件后,立即在所有阳接头上加装保护盖,在所有阴接头上加装螺塞。

  4. 拆下螺栓 (5)、垫圈和螺母。 拆下卡箍 (4)。

  5. 拆下螺栓 (6)、垫圈和隔套。 拆下卡箍 (7)。 拆卸管组件 (3)。


    图 3g00553073
    典型实例

  6. 割开导线系带 (8) 和 (9)。


    图 4g00553074
    典型实例

  7. 断开喷油驱动压力控制阀 (10)。

  8. 标记机油温度传感器接头 (11) 和机油压力传感器接头 (12),以便于识别。

  9. 断开机油温度传感器接头 (11) 和机油压力传感器接头 (12)。


    图 5g00553076
    典型实例

  10. 拆下三根螺栓 (13) 和垫圈。


    图 6g00553109
    典型实例

  11. 将吊带和适当的起吊设备固定到单体喷油器液压泵 (14) 上。

    单体喷油器液压泵的重量约为 30 kg (66 lb)



    图 7g00553111
    典型实例

  12. 拆下两条螺栓 (15) 和垫圈。 拆下单体喷油器液压泵 (14)。 拆下 O 形密封圈。

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