M325D and M330D Excavators Power Train Electronic Control System Caterpillar


Oscillating Axle Lock Function

Usage:

M325D MH EDF
当轴锁定时,动力传动系 ECM 点亮软开关面板 (SSP) 上摆动轴开关上方的 LED。 当动力传动系 ECM 通电摆动轴电磁阀时,摆动轴解锁,LED 将熄灭。 如果满足下述任意条件,动力传动系 ECM 将断电摆动轴电磁阀,这将导致摆动轴锁定。

  • 扶手处于 UP(向上)位置。

  • 行车制动器踏板锁定。

  • 摆动轴锁定是通过软开关面板上的开关来请求。

由于扶手升起或行车制动器踩下,轴将锁定。 然后,当扶手降下或制动踏板释放时,除非摆动轴开关已按下,否则轴将解锁。

当行车制动器处于完全踩下位置(锁定)时,行车制动器踏板限位开关将通知动力传动系 ECM。

如果来自摆动轴开关的信号未知,轴将锁定。 如果存在扶手位置开关或制动踏板开关诊断代码,轴将锁定。

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