C15 and C18 Industrial Engines Caterpillar


Exhaust Manifold - Remove and Install - Single Turbocharger

Usage:

C18 EJG

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, "水温调节器壳体 - 拆卸和安装"。


    图 1g01104709

  1. 拆下锁紧螺母 (2) 和隔套 (1)。

  2. 将排气歧管作为一个整体拆下。

  3. 将排气歧管 (3) 从排气歧管 (5) 上拆下。

  4. 拆下排气歧管 (4)。

  5. 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  零件描述  数量 
5P-3931  防粘结剂 
2P-2333  高温密封胶 
165-4638  导管 


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到缸盖中并拧紧至扭矩为 35 ± 5 N·m (26 ± 4 lb ft)


    图 2g01095139

  2. 将清洁的发动机机油涂抹在排气歧管 (5) 的凹端上。 将工具 (B) 涂抹在排气歧管 (3) 的凸端上。 组装排气歧管 (3) 和 (5)。 清除组装好的接头上多余的密封胶。

  3. 将排气歧管密封垫 (4) 安装在拔梢锁紧双头螺柱上。

  4. 将工具 (C) 安装在位置 "X" 处的拔梢锁紧双头螺柱上。

  5. 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。

  6. 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)。

  7. 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

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

结束:

  1. 安装水温调节器壳体。 请参阅拆解和组装, "水温调节器壳体 - 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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