C3.4B Engines for Caterpillar Built Machines Caterpillar


Fan Drive - Remove and Install

Usage:

CCS7 4B2

拆卸步骤

  1. 如有必要,拆下风扇。 请参阅拆解和组装, "风扇 - 拆卸和安装",以了解正确的步骤。

  2. 拆下交流发电机皮带和交流发电机皮带张紧支架。 有关正确的步骤,请参阅拆解和装配, "交流发电机皮带 - 拆卸和安装"。


    图 1g03796950

  3. 如有必要,将螺母 (5) 从风扇驱动皮带轮 (8) 上拆下。

  4. 将风扇驱动皮带轮 (8) 从风扇驱动组件 (4) 上拆下。

  5. 拆下螺栓 (5) 并将风扇驱动组件 (4) 从缸盖 (6) 上拆下。

  6. 如有必要,拆下螺栓 (1) 并将提升支架 (2) 从风扇驱动 (4) 上拆下。 有关正确步骤,请参阅拆解和装配, "发动机提升总成 - 拆卸和安装"。

  7. 如有必要,将螺柱 (3) 从风扇驱动组件 (4) 上拆下。

安装步骤

  1. 确保所有部件无磨损或损坏。 如有必要,更换所有磨损或损坏的部件。


    图 2g03796950

  2. 如有必要,将提升支架 (2) 安装到风扇驱动 (3) 上。 有关正确步骤,请参阅拆解和装配, "发动机提升总成 - 拆卸和安装"。

  3. 如有必要,将螺柱 (3) 安装到风扇驱动组件 (4) 上。 拧紧螺柱至扭矩为 11 N·m (97 lb in)

  4. 如果先前没有将螺柱 (3) 安装到风扇驱动 (4) 上。 将需要检查螺柱的安装情况,以确认螺柱正确安装到风扇驱动上。 拧紧螺柱至扭矩为 11 N·m (97 lb in)

  5. 将风扇驱动 (4) 定位到缸盖 (6) 上。 安装螺栓 (5)。 拧紧螺栓至扭矩为 25 N·m (221 lb in)

  6. 将风扇驱动皮带轮 (8) 定位到风扇驱动组件 (4) 上。

  7. 如有必要,将螺母 (5) 安装到风扇驱动皮带轮 (8) 上。 拧紧螺母至扭矩为 25 N·m (221 lb in)

  8. 如有必要,安装风扇。 请参阅拆解和组装, "风扇 - 拆卸和安装",以了解正确的步骤。

  9. 安装交流发电机皮带张紧支架。 请参阅拆解和装配, "交流发电机 - 拆卸和安装",以了解正确的步骤。

  10. 安装交流发电机皮带。 有关正确的步骤,请参阅拆解和装配, "交流发电机皮带 - 拆卸和安装"。

Caterpillar Information System:

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