C4.4 Engines for Caterpillar Built Machines Caterpillar


Exhaust Manifold - Remove and Install

Usage:

CB-54B 463

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 1g01245092
典型实例


图 2g01264513
排气歧管的拧紧顺序

  1. 如图 2 .所示顺序,从大到小拧松螺栓 (4)。

    注: 这有助于防止排气歧管失真。

  2. 从排气歧管 (3) 上卸下螺栓 (4)。

    注: 在螺栓拆卸过程中,支撑歧管。

  3. 拆下排气歧管 (3)。

  4. 卸下排气歧管垫片 (1)。

  5. 如有必要,从排气歧管 (3) 上卸下螺柱 (2)。

安装步骤

表 1
所需工具 
工具  零件号  零件描述  数量 
导螺柱
M10 by 100 mm 


    图 3g01245092
    典型实例

  1. 确保排气歧管清洁、无损坏。 清洁缸盖接合面。

  2. 如有必要,将螺柱 (2) 安装到排气歧管 (3) 上。 拧紧螺柱至扭矩为 18 N·m (13 lb ft)


    图 4g01245093
    排气歧管的拧紧顺序

  3. 将工具 (A) 安装至位置 (X) 处的缸盖上。 请参阅插图 4。

  4. 将新排气歧管垫片 (1) 放置在工具 (A) 上。

    注: 确保排气歧管垫片的方向正确。

  5. 将排气歧管 (3) 与工具 (A) 对齐。 将排气歧管安装到缸盖上。

    注: 如果发动机顶置涡轮增压器,那么安装排气歧管之前必须将排油管组件连接到缸体上。

  6. 用手安装并拧紧新螺栓 (4)。

  7. 拆下工具 (A)。 安装其余的螺栓 (4),用手拧紧。

  8. 按照图 4 所示的顺序,拧紧螺栓 (4) 至扭矩 33 N·m (24 lb ft)

结束:

  1. 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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