3126B Engines for Caterpillar Built Machines Caterpillar


Unit Injector Hydraulic Pump - Remove

Usage:

120H 124

拆卸步骤

表 1
所需工具    
工具     零件号     零件名称     数量    
A     5P-0327     开口扳手     1    
B     180-0186     拆卸工具     1    


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。

有关适合收集和盛接卡特彼勒产品上液体的工具及用品,参考专门出版物, NENG2500, "卡特彼勒工具和修理车间设备指南"。

按照当地法规和指令处置所有液体。





    图 1g00727629



    图 2g00774887

    为了便于拍照,图 2 中已经断开了软管组件 (5) 。

  1. 将工具 (B) 插入软管组件 (5) 的橡胶防尘罩的软管侧上。 朝着接头推动橡胶防尘罩,以便拆下软管组件 (5) 。 使用工具 (A) 拆下管组件 (1) 。

    注: 如果没有工具 (B) ,则可以使用中等规格的螺丝刀。 将螺丝刀插入橡胶防尘罩的每一侧中,然后朝着接头移动橡胶防尘罩。 这样就可以拆卸软管组件 (5) 。

  1. 断开线束组件 (2) 。

  1. 从发动机缸体和接头 (3) 上拆下回油管组件 (4) 。



    图 3g00727632

  1. 切开用于将线束组件固定到单体喷油器液压泵 (6) 上的电缆束带 (7) 。

  1. 拆下三颗螺栓 (8) ,然后从正时齿轮壳体上拆下单体喷油器液压泵 (6) 。



    图 4g00994656

  1. 从单体喷油器液压泵 (6) 上拆下 O 形密封圈 (9) 。 检查 O 形密封圈有无磨损或损坏。 如果 O 形密封圈磨损或损坏,则应使用新零件更换。

  1. 拆下螺栓 (10) 和垫圈 (11) 。 拆下驱动齿轮 (12) 。 检查驱动齿轮有无磨损或损坏。 如有必要,更换驱动齿轮。

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