C4.4 (MECH) Industrial Engine and Generator Sets Caterpillar


Fan - Remove and Install

Usage:

C4.4 2L2

拆卸步骤

开始:

  1. 如果发动机配备传动带自动张紧装置,则卸下交流发电机传动带。 请参阅拆解和组装, "交流发电机皮带 - 拆卸和安装"。 如果发动机未配备传动带自动张紧装置的发动机,则卸下 V 形传动带。 请参阅拆解和组装, "V 形皮带 - 拆卸和安装"。



    图 1g01270917

    典型示例

  1. 拆卸锁定螺母 (1) 。

  1. 拆下风扇 (2) 。

    注: 记录风扇的方位。

  1. 卸下风扇适配器 (3) 。

  1. 卸下风扇皮带轮 (4) 。

  1. 如有必要,将螺柱 (5) 从风扇驱动 (6) 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 2g01270917

    典型示例

  1. 如有必要,将螺柱 (5) 安装到风扇驱动 (6) 上。

  1. 安装风扇皮带轮 (4) 。

  1. 安装风扇适配器 (3) 。

  1. 安装风扇 (2) 。

    注: 确保风扇朝向正确。

  1. 检查锁定螺母 (1) 的状况。 如有必要,更换锁定螺母。 安装锁紧螺母 (1) ,拧紧至扭矩为 22 N·m (16 lb ft)。

End By: 如果发动机配备传动带自动张紧装置,则安装交流发电机传动带。 请参阅 拆解和组装, "交流发电机皮带 - 拆卸和安装"。 如果发动机未配备传动带自动张紧装置,则安装 V 形传动带。 请参阅 拆解和组装, "V 形皮带 - 拆卸和安装"。

Caterpillar Information System:

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