793F CMD Off-Highway Truck (Command for Hauling) Power Train Electronic Control System Caterpillar


Transmission Shift Is Harsh

Usage:

793F D3T

可能原因

  • 变速箱机油的重量与之前使用的机油不相同。

  • 变速箱安全阀经过调整。

  • 如果变速箱离合器未正确切换,则必须校准变速箱系统。

  • 变速箱电磁阀

  • 变速箱离合器

动力传动系转速传感器:

  • 变矩器输出转速传感器

  • 变速箱输入转速传感器

  • 变速箱中间转速传感器

  • 变速箱输出转速传感器

建议的措施

不正确的变速箱离合器压力会对变速箱的使用寿命带来负面影响。 该标定用于设定方向离合器的变速箱离合器压力。 在此过程中,维修技师调整输送到变速箱电磁阀的电流,以获取变速箱离合器的规定压力。 变速箱主安全阀必须设定为技术规格。 离合器接合标定必须在变速箱离合器加注标定之前进行。

检查转速传感器的建议措施

  • 如果任一列出的动力传动系转速传感器有问题,则变速箱将粗暴换档。

  • 检查转速传感器上有无诊断代码。

  • 确认传感器导线和连接正确。

  • 确保所有接头、触针和插孔已连接,并且线束和导线无腐蚀、磨损或夹点。

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