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


Fuel Priming Pump and Fuel Filter Base - 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。


注: 为便于安装,在所有软管、所有软管组件、所有导线及所有管组件上作出识别标记。 塞住所有软管组件和管组件。 这将有助于防止液体泄漏和防止污染物进入系统。




    图 1g01318612

    典型示例

  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. 从注油泵 (3) 上断开塑料管组件 (4) 和 (5) 。

  1. 从注油泵 (3) 上断开塑料管组件 (4) 和 (5) 。

  1. 从注油泵 (3) 上断开塑料管组件 (2) 。

  1. 塞住注油泵 (3) 及塑料管组件 (4) 和 (5) 上的所有接头。

  1. 从注油泵 (3) 上断开线束组件。

  1. 支承住注油泵。 卸下螺栓和垫圈 (1) ,然后卸下注油泵 (3) 。

注: 记录管组件支架的位置和方向。

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。





图 2g01318612

典型示例

  1. 确保燃油注油泵清洁、无磨损或损坏。 如有必要,作为一整个组件更换注油泵。

  1. 将注油泵 (3) 定位到缸盖上。 安装螺栓和垫圈 (1) 。 确保所有螺栓固定的支架安装位置正确。 拧紧螺栓至扭矩为 9 N·m (80 lb in)。

  1. 从注油泵和塑料管组件上卸下所有塞。 将塑料管组件 (4) 和 (5) 连接到注油泵 (3) 上。

  1. 将塑料管组件 (2) 连接到注油泵 (3) 上。

  1. 将线束组件安装到注油泵 (3) 上。

  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 - 充油"。

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