3054E Industrial Engine Caterpillar


Cylinder Head - Remove

Usage:

3054E 304

拆卸步骤

开始:

  1. 将冷却液从发动机机油冷却器排入适当的容器,以便保存或弃置。 将发动机机油冷却器中的机油排放到适当的容器内。 有关排放发动机冷却液和发动机机油的步骤,请参阅操作和保养手册。
  2. 拆下连接空气滤清器与整体式进气口的软管。 有关更多的细节,请参见 OEM 资料。
  3. 拆下注油泵。 请参阅拆解和组装手册, "注油泵和燃油滤清器底座 - 拆卸和安装"。
  4. 拆下增压控制管。
  5. 拆下喷油器。 请参阅拆解和组装手册, "喷油嘴 - 拆卸"。
  6. 拆下排气歧管。 请参阅拆解和组装, "排气歧管 - 拆卸和安装"。
  7. 拆下摇臂轴组件和推杆。 请参阅拆解和组装, "摇臂轴和推杆 - 拆卸"。
  8. 卸下预热塞。 请参阅拆解和组装手册, "预热塞 - 拆卸和安装"。


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。


注: 有关发动机冷却液容量和发动机机油容量的信息,请参阅操作和保养手册, "加注容量"。




    图 1g00951472

  1. 从缸盖上拆下调整螺钉 (1) 和燃油管。

  1. 断开冷却液温度传感器的线束组件 (4) 。

  1. 从缸盖上断开管组件 (5) 。



    图 2g00954953

  1. 拆下调整螺钉 (6) 。 从缸盖上拆下旁通管 (7) 。 从旁通管上拆下 O 形密封圈。 丢弃O形密封圈。



    图 3g00951484

  1. 按相反的数字顺序逐渐松开调整螺钉 (8) 。 请参阅插图 3。 这将有助于防止缸盖发生变形。

  1. 从缸盖 (9) 上拆下调整螺钉 (8) 。

  1. 使用适当的起吊设备,小心地将缸盖吊离缸体。 缸盖的重量约为 57 kg (126 lb)。

    注: 在拆卸过程中小心不要损坏缸盖 (9) 的加工表面。

    注: 不要使用杠杆分离缸盖与缸体。


    注意

    将缸盖放在不会使缸盖表面产生擦伤的表面上。


  1. 拆下缸盖密封垫。 废弃缸盖密封垫。

    注: 记下定位销在缸体上的位置。

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