C9.3 Engines for Caterpillar Built Machines Caterpillar


Exhaust Manifold - Remove and Install

Usage:

D6T 2B3

拆卸步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A.     2P-2333     高温密封胶     1    
B     4C-5599     防粘结剂     1    

开始:

  1. 拆下涡轮增压器。
  2. 拆下排气冷却器。



    图 1g02763883

  1. 拆下锁紧螺母 (1) ,然后拆下隔套。 废弃所有锁紧螺母 (1) 。

  1. 拆下歧管组件 (2) 。



    图 2g02763891

    注: 记下排气歧管段的方位,以便于安装中使用。

  1. 拆下双头螺栓 (7) 。

  1. 将歧管段 (3) 、 (4) 和 (5) 分开。 拆下并废弃密封垫 (6) 。

安装步骤

  1. 按照拆卸的相反顺序安装歧管组件 (2) 。

    1. 将一薄层工具 (C) 涂抹到歧管段 (5) 和 (3) 的阳端外部上。 组装歧管段 (3) 、 (4) 和 (5) ,如图所示。

    1. 将工具 (B) 涂抹在双头螺栓 (7) 的螺纹上。 安装双头螺栓 (7) 并将其拧紧至扭矩为 35 ± 5 N·m (26 ± 4 lb ft)。

    1. 将工具 (B) 涂抹在新锁紧螺母 (1) 的螺纹上。 安装锁紧螺母。



      图 3g01381130

      拧紧顺序

    1. 使用上述顺序将锁紧螺母 (1) (插图编号 (X) 所示)拧紧至扭矩为 70 ± 5 N·m (52 ± 4 lb ft)。

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