C1.1, C1.5 and C2.2 Engines for Caterpillar Built Machines Caterpillar


Fuel Injection Pump - Remove and Install

Usage:

CB-22 220

拆卸步骤

开始:

  1. 拆下燃油切断电磁阀。 请参阅拆解和组装, "燃油切断电磁阀 - 拆卸和安装"。


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。



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: 三缸发动机和四缸发动机的拆卸步骤相似。 图示为四缸发动机。

  1. 拆下燃油喷油管。 有关更多信息,请参阅拆解和组装, "喷油管 - 拆卸和安装"。


    图 1g01327005
    典型示例


    图 2g01327006
    典型示例

  2. 逐渐松开将喷油泵紧固到缸体上的螺栓 (4) 和螺母 (2)。

  3. 小心地从缸体上抬起喷油泵 (1),然后拆下将连杆 (6) 与燃油齿条控制装置 (5) 相连的夹子 (7)。

  4. 从缸体上拆下喷油泵 (1)。

  5. 从缸体安装面上拆下垫片 (3)。

    注: 记下每个垫片的厚度和垫片数量,以便重新组装。 喷油正时由喷油泵和缸体安装面间的垫片组厚度决定。 有关更多资料,请参阅技术参数, "喷油泵"。

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並縮短部件使用寿命。


注: 三缸发动机和四缸发动机的安装步骤相似。 图示为四缸发动机。

  1. 清洁缸体和喷油泵的配合面。


    图 3g01327005
    典型示例

  2. 将正确厚度和正确数量的垫片 (3) 安装到缸体的安装面上。 有关更多资料,请参阅技术参数, "喷油泵"。


    图 4g01327006
    典型示例

  3. 将喷油泵 (1) 靠近缸体安装面放置,然后用夹子 (7) 连接连杆 (6) 和燃油齿条控制装置 (5)。

  4. 将喷油泵 (1) 与缸体上的双头螺栓对准。 将喷油泵安装到缸体上。

  5. 安装螺栓 (4) 和螺母 (2)。 确保用合适的紧固件固定发动机机油管的管夹。

    均匀拧紧螺栓 (4) 和螺母 (2) 至扭矩为 15 N·m (11 lb ft)

  6. 安装喷油管。 请参阅拆解和组装, "燃油喷油管路 - 拆卸和安装"。

结束:

  1. 安装燃油切断电磁阀。 请参阅拆解和组装, "燃油切断电磁阀 - 拆卸和安装"。

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