3508C, 3512C and 3516C Marine Engines Caterpillar


Fuel Priming Pump - Remove and Install

Usage:

3512C 2A2

拆卸步骤


注意

在检查、保养、测试、调整及维修产品时,请小心确保盛接油液。 在打开任何舱室或拆卸任何含有油液的部件前,请准备好盛接液体用的适当容器。



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。


  1. 将燃油供应转到断开位置。


    图 1g01130150

    ------ WARNING! ------

    弹簧加压的零件和/或盖板可能导致人身伤害。

    拆卸盖板时弹簧力将被释放。

    松动螺栓时做好准备把持住弹簧加载的盖板。


  2. 拆下螺栓 (2 )。

  3. 拆下螺栓 (3 )。 从燃油滤清器壳体上拆下注油泵 (1) 和密封垫。

  4. 拆下螺塞 (6)。 从螺塞上卸下 O 形密封圈。

  5. 将弹簧 (5)和滚珠 (4)从燃油滤清器壳体上拆下。

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。




    图 2g01130150

    ------ WARNING! ------

    弹簧压缩零件如果安装不当,会伤害人体。

    为避免伤害,遵照出版的装配程序,并穿上保护装备。


  1. 定位新密封垫和燃油注油泵 (1)。

  2. 安装螺栓 (3),并拧紧至扭矩为 15 ± 3 N·m (11 ± 2 lb ft)

  3. 安装螺栓 (2)。

  4. 将滚珠 (4)和弹簧 (5)安装在燃油滤清器壳体中。

  5. 将新 O 形密封圈安装到螺塞 (6) 上。 在滤清器壳体安装螺塞。

  6. 将燃油供应转到接通位置。

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