3408E and 3412E Engines for Caterpillar Built Machines Caterpillar


Unit Injector Hydraulic Pump Drive - Remove

Usage:

769C 01X

拆卸步骤

开始:

  1. 拆下单体喷油器液压泵。 请参阅拆解和组装, "单体喷油器液压泵 - 拆卸"。

  2. 拆下前盖。 请参阅拆解和组装, "前盖 - 拆卸"。


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

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。




    图 1g00546045
    典型实例

  1. 断开燃油温度传感器接头 (1)。


    图 2g00546046
    典型实例

  2. 断开大气压力传感器接头 (7)。

  3. 断开涡轮增压器出口压力传感器的接头 (6)。

  4. 割断导线系带 (3)。 断开软管组件 (4)、 (2) 和 (5)。 拆下 O 形密封圈。

  5. 拆下螺母、垫圈和夹子 (8)。


    图 3g00546064
    典型实例

  6. 拆下四条螺栓 (10)、挡板 (11) 和齿轮 (9)。


    图 4g00546087
    典型实例

  7. 将两个正时传感器 (12) 的接头从发动机线束上断开。 将两个正时传感器 (12) 从前壳体上拆下。

  8. 将四条安装螺栓 (14) 从单体喷油器液压泵驱动装置上拆下。 拆下销 (16) 和密封。

  9. 将两条底部螺栓 (15) 从单体喷油器液压泵驱动装置上拆下。 拆下单体喷油器液压泵驱动装置 (13)。


    图 5g00546090
    典型实例

  10. 将 O 形密封圈 (17) 从单体喷油器液压泵驱动装置 (13) 上拆下。

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