C3.4B Engines for Caterpillar Built Machines Caterpillar


Cylinder Head - Remove

Usage:

CD-44B 398

拆卸步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A     -     E14 Torx 1/2 In 驱动套筒     1    
B     227-4393     E18 Torx 1/2 In 驱动套筒     1    

开始:

  1. 拆下排气歧管。 请参阅拆解和组装, "排气歧管 - 拆卸和安装"。
  2. 卸下喷油器。 请参阅拆解和装配, "喷油器 - 拆卸"。
  3. 拆下摇臂轴组件和推杆。 请参阅拆解和装配手册, "摇臂轴和推杆 - 拆卸"。
  4. 卸下电热塞。 请参阅拆解和组装, "电热塞 - 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。

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。 堵上所有软管组件有助于防止油液损失,并有助于防止污染物进入系统。

  1. 将冷却液从冷却系统中排入合适的容器,以便保存或弃置。 有关正确的排放步骤,请参阅操作和保养手册, "冷却系统冷却液 - 更换"。

  1. 从水温调节器壳体上断开散热器上软管。



    图 1g03005656

    典型示例




    图 2g03005658

    缸盖螺栓拧紧顺序

  1. 使用工具 (A) 和工具 (B) 按照与图 2 中所示顺序相反的数字顺序逐步松开螺栓 (1) 和螺栓 (2) 。

    注: 遵循正确的顺序有助于防止缸盖变形。

  1. 将螺栓 (1) 和螺栓 (2) 从缸盖 (3) 上拆下。

    注: 螺栓有两种不同的长度。 记录不同螺栓的位置。




    图 3g03005660

    典型示例

  1. 将合适的起吊设备连接到缸盖 (3) 。 支撑住缸盖的重量。 缸盖的重量约为 30 kg (66 lb).

    注: 在起吊操作过程中使用撑杆来分配缸盖的重量。

  1. 使用起吊设备小心地从缸体上吊起缸盖 (3) 。

    注: 不要使用杠杆分离缸盖与缸体。 在拆卸过程中小心不要损坏缸盖的加工表面。


    注意

    将缸盖放在不会使缸盖表面产生擦伤的表面上。





    图 4g03005663

  1. 拆下缸垫 (4) 。

  1. 记录定位销 (5) 和 (6) 在缸体上的位置。 除非定位销损坏,否则不要卸下定位销。

  1. 如有必要,从缸盖上卸下水温调节器。 请参阅拆解和组装, "水温调节器 - 拆卸和安装"。

Caterpillar Information System:

C3.4B Engines for Caterpillar Built Machines Cylinder Head - Install
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