3408E and 3412E Engines for Caterpillar Built Machines Caterpillar


Turbocharger - Install

Usage:

769C 01X

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: 某些发动机配有双涡轮增压器。 以下内容包含单一涡轮增压器的安装程序。 双涡轮增压器采用相同的安装程序。

注: 涡轮增压器和排气系统有许多可能的配置。 以下程序演示了典型示例。



    图 1g00578074
    典型实例

  1. 安装新密封垫 (8)。 安装涡轮增压器 (6)。 定位涡轮增压器,使涡轮增压器的管路不受限制。

  2. 5P-3931 抗咬合剂涂抹到安装螺栓 (7) 上。 安装涡轮增压器的安装螺栓 (7)、螺母和垫圈。 用手拧紧螺栓。


    图 2g00578073
    典型实例

  3. 将涡轮增压器的排油管 (5) 放回原位并安装 O 形密封圈。

  4. 安装 2 只螺栓 (4)。 用手拧紧螺栓。

  5. 将供油管 (2) 放回原位并安装 O 形密封圈。

  6. 安装 2 只螺栓 (3)。 用手拧紧螺栓。


    图 3g00578044
    典型实例

  7. 将涡轮增压器的供油管 (2) 连接到缸体上。 将接头上紧到标准扭矩。

  8. 安装螺栓 (1) 和垫圈。 将螺栓 (1) 上紧到标准扭矩。

  9. 将螺栓 (3) 和 (4) 上紧到标准扭矩。

  10. 55 ± 5 N·m (41 ± 4 lb ft) 的扭矩拧紧螺栓 (7)。

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