3126B and 3126E On-highway Engines Caterpillar


Alternator - Remove and Install

Usage:

3126B 1AJ

拆卸步骤

表 1
所需工具    
工具     零件号     零件描述     数量    
A     168-0383     断路器杆     1    



    图 1g00609523

    典型示例

    注: 如果发动机没有配备皮带张紧器,释放皮带张紧器处皮带的张力。

  1. 使用工具 (A) 释放皮带张紧器 (5) 上的张力。

  1. 从交流发电机 (3) 的驱动皮带轮上拆卸驱动皮带 (4) 。

  1. 在连接至交流发电机的线束组件 (1) 的导线上做指示标记。 从交流发电机上断开线束组件 (1) 。

  1. 拆下螺栓 (2) 。

  1. 从安装支架上拆下交流发电机 (3) 。

安装步骤

表 2
所需工具    
工具     零件号     零件描述     数量    
A     168-0383     断路器杆     1    



    图 2g00609523

    典型实例

  1. 将交流发电机 (3) 安置在安装支架上。 安装螺栓 (2) 。

  1. 使用工具 (A) 将驱动皮带 (4) 安装在交流发电机的驱动皮带轮上。

    注: 如果发动机没有配备皮带张紧器,调整驱动皮带的张力。 请参阅操作和保养手册,了解正确的调整步骤。

  1. 将线束组件 (1) 连接到交流发电机上。 使用指示标记正确连接线束组件。 将接地导线的安装螺栓拧紧至扭矩 6.2 ± 0.6 N·m (54 ± 5 lb in)。 将蓄电池导线的安装螺栓拧紧至扭矩 11.3 ± 2.3 N·m (100 ± 20 lb in)。

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