R1300G Load Haul Dump Braking System Caterpillar


Pressure Switch (Parking Brake Oil)

Usage:

R1300G LJB



图 1g00943288

停车制动器油压开关安装在停车制动器控制阀内。 压力开关位于后机架左侧。

压力开关是动力传动系电子控制模块(ECM)的输入。

停车制动器分离并且停车制动器油压升至压力开关启动压力以上时,压力开关 N/C 触点将断开。 压力开关向动力传动系 ECM 发送信号。 动力传动系 ECM 使变速箱能够选择方向和档位。 动力传动系 ECM 还通过 Cat 数据链路向 Caterpillar 监控系统发送信号,以熄灭停车制动器报警指示灯。

停车制动器接合或停车制动器油压降至压力开关停用压力以下时,压力开关 N/C 触点将闭合。 压力开关向动力传动系 ECM 发送信号。 动力传动系 ECM 使变速箱挂入空档(如果机器处于第一档)。 动力传动系 ECM 还通过 Cat 数据链路向 Caterpillar 监控系统发送信号,以点亮停车制动器报警指示灯。




图 2g00943291

操作台后视图

(1) 遥控指示灯

机器由遥控系统操作,并且停车制动器接合或停车制动器油压降至停用压力以下时,压力开关将闭合。 动力传动系 ECM 接收来自油压开关的信号。 动力传动系 ECM 将进行内部切换并点亮遥控指示灯 (1) 。

停车制动器分离并且停车制动器油压升至启动压力以上时,压力开关将断开。 动力传动系 ECM 接收来自油压开关的信号。 动力传动系 ECM 将进行内部切换并熄灭遥控指示灯 (1) 。


注意

如果操作台后部的遥控指示灯点亮,不要操作机器。 此情况表明机器停车制动器油压偏低或停车制动器接合。

停车制动器接合时长时间行驶机器,将造成制动系统严重损坏。


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