3114, 3116, and 3126 Engines for Caterpillar Built Machines Caterpillar


Exhaust Manifold - Remove and Install

Usage:

IT38G 1CW

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"。



    图 1g00652578

    典型实例

  1. 将螺栓 (1) 、排气歧管 (2) 、锁和密封垫从缸盖组件上拆下。

  1. 如果发动机配备三件式排气歧管,将排气歧管 (2) 拆解为三件。

  1. 如有必要,从排气歧管 (2) 上拆下安装螺柱 (3) 。

安装步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A     5P-3931     防粘结剂     1    
B     2P-2333     高温密封胶     1    



    图 2g00652578

    典型实例

  1. 在安装螺柱 (3) 的螺纹上涂抹工具 (A) 。

  1. 安装安装螺柱 (3) 。 拧紧安装螺柱 (3) 至扭矩 35 ± 5 N·m (26 ± 4 lb ft)。

  1. 如果发动机配备三件式排气歧管,将一薄层工具 (B) 涂敷在排气歧管 (2) 的阳性端。 将清洁的发动机机油涂抹在排气歧管 (2) 的阴性端内。 组装排气歧管 (2) ,然后去除接头上的多余密封胶。

  1. 安装新排气歧管密封垫。

  1. 将工具 (A) 涂抹到螺栓 (1) 的螺纹上。 将密封垫和排气歧管 (2) 定位到缸盖组件上。 安装锁和螺栓 (1) 。



    图 3g00617739

    三件式排气歧管的典型示例




    图 4g00641026

    四缸发动机的排气歧管




    图 5g00641092

    水冷式排气歧管

  1. 按照数字顺序拧紧螺栓 (1) 至扭矩为 4 ± 1 N·m (35 ± 9 lb ft)。

  1. 按照数字顺序依次拧紧螺栓 (1) 到扭矩 45 ± 5 N·m (33 ± 4 lb ft)。



    图 6g00675760

    锁片的典型示例

  1. 将锁片 (4) 弯曲到每个螺栓头的平面上。

End By: 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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