C4.4 and C6.6 Engines for Caterpillar Built Machines Caterpillar


Alternator Noise

Usage:

CS-56B 437
注: 这并非电子系统故障。

关于这种情况可能电气原因方面的信息,请参阅系统操作、测试和调整。

可能原因

  • 交流发电机传动带

  • 交流发电机安装支架

  • 交流发电机传动皮带轮

  • 交流发电机轴承

建议的措施

交流发电机传动带

检查交流发电机传动带的状况。 如果交流发电机传动带磨损或损坏,检查交流发电机传动带和皮带轮正确对齐。 如果正确对齐,请更换传动带。 请参阅拆解和组装, "交流发电机皮带 - 拆卸和安装"。

交流发电机安装支架

检查交流发电机安装支架是否断裂或磨损。 修理或更换安装支架,从而确保交流发电机传动带和交流发电机传动皮带轮对齐。

交流发电机传动皮带轮

拆下交流发电机传动皮带轮的螺母,然后检查螺母和传动轴。 如果未发现损坏,安装螺母并将其拧紧至正确扭矩。 有关正确扭矩,请参阅技术规格, "交流发电机和调节器"。

交流发电机轴承

检查交流发电机轴的游隙是否过大。 检查交流发电机轴承是否磨损。 交流发电机不是可维修部件。 如果轴承磨损,必须更换交流发电机。 请参阅拆解和组装, "交流发电机 - 拆解"和 拆解和组装, "交流发电机 - 组装"。

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