C15 and C18 Generator Set Engines Caterpillar


Exhaust Manifold - Remove and Install

Usage:

C15 115

拆卸步骤

开始:

  1. 拆下涡轮增压器。 请参阅拆解和组装, "涡轮增压器 - 拆卸"。
  2. 拆下水温调节器壳体。 请参阅拆解和组装, "水温调节器 - 拆卸和安装"。



    图 1g01237525

  1. 拆下锁紧螺母 (2) 和隔套 (1) 。

  1. 将排气歧管作为一个整体拆下。

  1. 将排气歧管 (4) 从排气歧管 (3) 上拆下。

  1. 拆下排气歧管密封垫 (5) 。

  1. 如有必要,将拔梢锁紧双头螺柱从缸盖上拆下。

安装步骤

表 1
所需工具    
工具     零件号     零件说明     数量    
A     5P-3931     防粘结剂     -    
B     2P-2333     高温密封胶     -    
C     165-4638     导管     3    


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。


  1. 将拔梢锁紧双头螺柱安装在缸盖上并拧紧至扭矩为 35 ± 5 N·m (26 ± 4 lb ft)。



    图 2g01237553

  1. 将清洁的发动机机油涂抹在排气歧管 (3) 的凹端上。 将工具 (B) 涂抹在排气歧管 (4) 的凸端上。 组装排气歧管 (4) 和 (3) 。 清除组装好的接头上多余的密封胶。

  1. 将排气歧管密封垫 (5) 安装在拔梢锁紧双头螺柱上。

  1. 将工具 (C) 安装在位置 "X" 处的拔梢锁紧双头螺柱上。

  1. 将排气歧管安装在工具 (C) 上以便对准排气歧管。 将隔套 (1) 安装在拔梢锁紧双头螺柱上。

    注: 使用后请丢弃锁紧螺母。 安装时请使用新的锁紧螺母。

  1. 将工具 (A) 涂抹在拔梢锁紧双头螺柱的螺纹上。 安装并用手拧紧锁紧螺母 (2) 。

  1. 拆下工具 (C) 并安装剩余隔套。 将工具 (A) 涂抹在拔梢锁紧双头螺柱的螺纹上,安装并用手拧紧锁紧螺母。



    图 3g01100255

  1. 以图 3 所示的数字顺序拧紧锁紧螺母 (2) 。 拧紧锁紧螺母 (2) 至扭矩为 38 ± 5 N·m (28 ± 4 lb ft)。

End By:

  1. 安装水温调节器壳体 3。 请参阅 拆解和组装, "水温调节器 - 拆卸和安装"。
  2. 安装涡轮增压器。 请参阅 拆解和组装, "涡轮增压器 - 安装"。

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