C1.1, C1.5 and C2.2 Engines for Caterpillar Built Machines Caterpillar


Exhaust Manifold - Remove and Install

Usage:

CB-22 220

拆卸步骤

开始:

  1. 如果发动机配备一个涡轮增压器,拆下涡轮增压器。 请参阅拆解和组装, "涡轮增压器 - 拆卸和安装"。


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损並縮短部件使用寿命。


注: 三缸发动机和四缸发动机的排气歧管不同。 所有型号的拆卸步骤相似。



    图 1g01326567
    典型示例

  1. 松开螺母 (5) 和螺栓 (6)。

    注: 为了防止排气歧管变形,应首先松开外侧紧固件。

  2. 拆下螺母 (5) 和螺栓 (6)。

    注: 识别不同长度的螺栓,以将螺栓安装在正确位置。

  3. 将排气歧管 (4) 从缸盖 (1) 上拆下。 记下排气歧管的方位,以方便安装。

  4. 将密封垫 (3) 从缸盖 (1) 上拆下。

  5. 如有必要,从缸盖 (1) 上拆下排气歧管双头螺栓 (2)。

安装步骤


注意

保持所有零件清洁无杂质。

杂质会造成快速磨损並縮短部件使用寿命。


注: 三缸发动机和四缸发动机的排气歧管不同。 所有型号的安装步骤相似。

  1. 确保缸盖和排气歧管的配合面干净、无损坏。


    图 2g01326567
    典型示例

  2. 如有必要,将排气歧管双头螺栓 (2) 安装到缸盖 (1) 上。

  3. 将新的排气歧管密封垫 (3) 安装到缸盖 (1) 上。

  4. 对准排气歧管 (4) 和双头螺栓 (2),然后将排气歧管安装到缸盖 (1) 上。

    注: 确保排气歧管安装方向正确。

  5. 安装螺母 (5) 和螺栓 (6) 并用手拧紧。

    注: 确保不同长度的螺栓安装位置正确。

  6. 对于 C1.5 发动机,将螺母 (5) 和螺栓 (6) 拧紧至扭矩 10 N·m (89 lb in)

    对于 C2.2 发动机,将螺母 (5) 和螺栓 (6) 拧紧至扭矩 25 N·m (18 lb ft)

    注: 首先紧固内侧螺栓。

结束:

  1. 如果发动机配备一个涡轮增压器,安装涡轮增压器。 请参阅拆解和组装, "涡轮增压器 - 拆卸和安装"。

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