3412E Engine Supplement for 773D Off-Highway Trucks and 775D Off-Highway Quarry Trucks Caterpillar


Engine Front Support - Install

Usage:

773D 7CS

安装步骤

表 1
所需工具    
工具     零件号     零件说明     数量    
A     FT-1321     支撑梁     1    
1D-4706 螺栓
(3/8 - 16 NC X 6 in)    
4    
B     4C-6486     台架     1    
8S-7621 管     1    
8S-7625 套环     1    
8S-7615 销     1    
8S-7650 气缸     1    
8S-7645 软管     1    
3S-6224 电动液压泵     1    
C     8S-7615     销     1    
D     9S-3263     螺纹锁固胶     -    

  1. 安装前确认发动机前支架的所有部件清洁无异物。

  1. 检查所有部件是否磨损,必要时更换部件。



    图 1g00518497

  1. 将支架组件 (9) 定位到耳轴上。

  1. 将工具 (D) 涂抹到螺栓 (8) 的螺纹上。 安装将支架组件 (9) 固定到耳轴上的螺栓 (8) 。



    图 2g00518493



    图 3g00518429

  1. 利用工具 (B) 吊起发动机前端,直到可以拆下工具 (C) 为止。

  1. 利用工具 (B) 下放发动机前端,直到前发动机支架坐到支架组件上。

  1. 安装将前发动机支架固定到支架组件上的螺栓 (3) 。 拧紧螺栓 (3) 至扭矩为 475 ± 60 N·m (350 ± 44 lb ft)。 拆下工具 (B) 。



    图 4g00518278



    图 5g00518253

  1. 将减振器适配器 (2) 安装到曲轴上。 安装螺栓 (1) 。



    图 6g00518241

  1. 将工具 (A) 从缸体组件的底部拆下。



    图 7g00584513

  1. 将盖 (7) 上的螺栓 (6) 上紧到 475 ± 60 N·m (350 ± 44 lb ft) 的扭矩。



    图 8g00584512

  1. 将盖 (5) 上的螺栓 (4) 上紧到 475 ± 60 N·m (350 ± 44 lb ft) 的扭矩。

End By:

  1. 安装减振器。 请参阅 拆解和组装, "减振器 - 拆卸和安装"。
  2. 安装风扇驱动装置。 请参阅 拆解和组装, "风扇驱动装置 - 安装"。
  3. 安装油底壳。 请参阅 拆解和组装, "油底壳 - 安装"。

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