C0.5, C0.7, C1.1, C1.5, C1.6 and and C2.2 Industrial Engines Caterpillar


Fuel Injection Pump - Remove and Install

Usage:

C0.5 C6F

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和缩短部件寿命。


注: 两缸、三缸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"。

    C0.5、 C0.7、 C1.1 和 C1.6 发动机有一个挠性回油软管。

    对于配备挠性回油软管的发动机,应从喷油泵的进口接头上断开燃油软管。



    图 1g01327005
    典型示例


    图 2g01327006
    典型示例

  2. 逐渐松开将喷油泵固定到缸体上的螺栓 (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的数量,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,请参阅技术规格, "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和缩短部件寿命。


注: 两缸、三缸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,请参阅技术规格, "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。

    对于 C0.5、 C0.7、 C1.1 和 C1.6 发动机,将螺栓 (4) 和螺母 (2) 均匀紧固至扭矩 6 N·m (53 lb in)

    对于 C1.5 和 C2.2 发动机,将螺栓 (4) 和螺母 (2) 均匀紧固至扭矩 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"。

    C0.5、 C0.7、 C1.1 和 C1.6 发动机有一个挠性回油软管。

    对于配备挠性回油软管的发动机,将燃油软管连接到喷油泵的进口接头上。

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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