C4.4 (MECH) Industrial Engine and Generator Sets Caterpillar


Fuel Injection Lines - Remove and Install

Usage:

C4.4 2L2

拆卸步骤


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

在检验、保养、测试、调整及维修产品时,务必留心,确保液体盛装在容器中。 在打开任何腔室或拆解任何储有液体的部件之前,要准备好用合适的容器收集液体。

按照本地法规和指令处置所有液体。


  1. 将燃油供应转到断开位置。

  1. 将蓄电池断路开关转到断开位置。

  1. 如果发动机的喷油器上面配备一个盖,卸下该盖。 请参阅拆解和装配, "喷油器盖 - 拆卸和安装"。

  1. 从气门机构盖上卸下呼吸器管。 请参阅拆解和装配, "曲轴箱呼吸器 - 拆卸和安装"。



    图 1g01343040

  1. 松开夹子,从注油泵 (5) 上断开塑料管组件 (3) 。

  1. 松开夹子,从回油口上断开塑料管组件 (4) 。

  1. 卸下塑料管组件 (6) 。

  1. 断开喷油器 (1) 上的喷油管 (2) 。



    图 2g01319327

    典型示例

  1. 断开喷油泵 (7) 上的喷油管 (2) 。 确保接头 (8) 不转动。

  1. 塞住并盖好所有开口、喷油管和所有管组件。

安装步骤


    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. 检查喷油管是否损坏。 更换任何损坏的部件。



    图 3g01343040

    典型示例




    图 4g01319327

  1. 从喷油泵 (7) 和喷油器 (1) 上卸下盖。 从喷油管 (2) 上卸下盖。

  1. 安装喷油管 (2) 。 松散地连接喷油管两端的螺母。

  1. 拧紧喷油器 (1) 上的喷油管 (2) 至扭矩为 30 N·m (22 lb ft)。

  1. 拧紧喷油泵 (7) 上的喷油管 (2) 至扭矩为 30 N·m (22 lb ft)。 确保接头 (8) 不转动。

    注: 确保每条喷油管都不接触任何其它的喷油管或任何其它的发动机部件。

  1. 从注油泵 (5) 和塑料管组件上卸下盖。

  1. 将塑料管组件 (4) 连接到回油口上。 用夹子固定塑料管组件。

  1. 将塑料管组件 (3) 连接到注油泵上。 用夹子固定塑料管组件。

  1. 安装塑料管组件 (6) 。

  1. 将呼吸器管安装到气门机构盖上。 请参阅拆解和装配, "曲轴箱呼吸器 - 拆卸和安装"。

  1. 如果发动机的喷油器上面配备一个盖,安装该盖。 请参阅拆解和装配, "喷油器盖 - 拆卸和安装"。

  1. 将燃油供应转到接通位置。

  1. 将蓄电池断路开关转到接通位置。

  1. 排出燃油系统中的空气。 请参阅操作和保养手册, "燃油系统 - 注油"。

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