770 and 772 Off-Highway Trucks Engine Supplement Caterpillar


Alternator - Remove and Install

Usage:

770 BZZ

拆卸步骤

开始:

  1. 拆下左侧发动机护罩。 请参阅拆解和组装, "噪音抑制面板(发动机护罩)- 拆卸和安装"。

------ WARNING! ------

不断开蓄电池可能会造成人身伤害。

先断开蓄电池负极电缆。 然后断开蓄电池正级电缆。

如果没有断开蓄电池的话,正极电源线可能会产生花火。 火花可能会导致蓄电池爆炸或起火。





    图 1g01382886

  1. 拆下皮带罩 (1) 。

  1. 拆下交流发电机皮带。 请参阅操作和维护手册, "皮带 - 检查/调整/更换"。

  1. 在所有软管组件上作一个识别标记。



    图 2g01382890

  1. 将线束组件从端子 (3) 和 (4) 上断开。

  1. 将螺栓 (5) 和线束组件从交流发电机 (6) 上拆下。

  1. 拆下螺栓 (2) 和螺栓 (7) 。 拆下交流发电机 (6) 。

  1. 如有必要,卸下螺母 (8) ,然后从交流发电机上卸下皮带轮。

安装步骤




    图 3g01382890

  1. 如有必要,将皮带轮安装在交流发电机 (6) 上。 安装螺母 (8) 。 拧紧螺母至扭矩为 127 ± 10 N·m (94 ± 7 lb ft)。

  1. 将交流发电机 (6) 安置在交流发电机安装支架上。 安装螺栓 (7) 和螺栓 (2) 。

  1. 将线束组件连接到交流发电机 (6) 上后安装螺栓 (5) 。 将螺栓上紧到 4.4 ± 1.0 N·m (39 ± 9 lb in) 的扭矩。

  1. 将线束组件连接到端子 (3) 上。 将螺母上紧到 18 ± 2 N·m (13 ± 2 lb ft) 的扭矩。

  1. 将线束组件连接到端子 (4) 上。

  1. 安装交流发电机皮带。 请参阅操作和维护手册, "皮带 - 检查/调整/更换"。



    图 4g01382886

  1. 安装皮带罩 (1) 。

End By: 安装左侧发动机护罩。 请参阅 拆解和组装, "噪音抑制面板(发动机护罩)- 拆卸和安装"。

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