G3304B and G3306B Engines Caterpillar


Cylinder Head - Install

Usage:

G3304B A4E

安装步骤

表 1
所需工具    
工具     零件号     零件说明     数量    
A     6V-4876     润滑剂     -    

注: 清洁度是一项重要的因素。 组装之前,应使用清洗剂彻底清洁所有零件。 让零件风干。 不要使用抹布擦干零件。 棉绒可能会留在零件上,可能导致以后出现故障。 检查所有零件。 如果任何零件磨损或损坏,则应使用新零件进行更换。

  1. 清洁缸盖和缸体上与缸盖密封垫接触的加工表面。



    图 1g01957317



    图 2g01957436

    G3304B 拧紧顺序




    图 3g01957437

    G3306B 拧紧顺序

  1. 将新密封垫组件和板安装在缸体上。 确保密封垫组件和板上的孔与缸体上的孔对齐。

  1. 将适当的起吊设备连接到发动机起吊总成上。 缸盖 (3) 的重量约为 120 kg (265 lb)。

  1. 将缸盖 (3) 在缸体上放置到位。

  1. 将工具 (A) 涂抹在螺栓 (2) 和螺栓 (1) 的螺纹上。 先松松地安装螺栓。

    1. 按照数字顺序将全部螺栓拧紧至扭矩为 150 ± 15 N·m (110 ± 11 lb ft)。

    1. 按照数字顺序将全部螺栓拧紧至扭矩为 250 ± 17 N·m (185 ± 13 lb ft)。

    1. 再次按照数字顺序将全部螺栓拧紧至扭矩为 250 ± 17 N·m (185 ± 13 lb ft)。 发动机暖机后,螺栓的最小扭矩为 205 N·m (150 lb ft)。

    1. 按照字母顺序将全部螺栓拧紧至扭矩为 43 ± 7 N·m (32 ± 5 lb ft)。

  1. 安装支撑 (7) 和螺栓 (6) 。

  1. 连接软管 (5) 并拧紧软管卡箍 (4) 。

End By:

  1. 安装摇臂轴和推杆。
  2. 安装排气歧管。
  3. 安装后冷器。

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