M325D and M330D Excavators Power Train Electronic Control System Caterpillar


Limp Home Function

Usage:

M325D MH EDF
跛行回家模式开关提供受限的机器功能,从而向机器上施加更少的应力。 当此模式启用时,比例减压阀仍从 ECM 接收供电。 ECM 未被旁通。 如果 ECM 故障,跛行回家模式将不工作。 当跛行回家模式开关接通时,特定动力传动系功能的行为会有所不同。 这些功能列出如下:

注: 跛行回家模式在有些情况下会被称为"备用模式"。

  • 停车制动器将不接合。

  • 除非制动踏板锁定且扶手升起,否则摆动轴将不锁定。

  • 爬行档始终断开。

  • 行驶启用电磁阀/行驶先导压力电磁阀始终接通。

  • 10 秒后,行驶警报取消。

  • 行驶速度设置为低,且行驶速度开关停用。

  • 不允许机具锁定。

  • 不允许物料搬运机锁定。

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