914G Compact Wheel Loader and IT14G Integrated Toolcarrier Transmission Electronic Control System Caterpillar


Relays

Usage:

IT14G 1WN



图 1g00726698

行驶控制继电器、负载检查继电器、或停车制动器报警继电器

系统中有几个继电器,由 ECM 直接激活。 使用以下继电器:接地故障电流中断, 行驶控制系统, 辅助转向, 主转向流量, 反向马达 和 停车制动器。

接地中断继电器用于停用控制电磁阀。 如果控制装置检测到故障,接地中断继电器激活。 这将接地从电磁阀上拆下。 变速箱置于空档位置。

使用行驶控制继电器或负载检查继电器,以激活两个系统中的一个:行驶控制 和 负载检查。 当行驶控制开关处于接通位置时,ECM 激活该继电器。 激活基于自动位置中的机器行驶速度。

辅助转向继电器用于激活辅助转向系统。 当主转向流量开关打开时,控制装置激活该继电器。

主转向流量继电器用于激活流量指示灯和警报器。 当主转向流量开关打开时,控制装置激活该继电器。

反向马达继电器用于将液压马达置于反向位置。 控制装置激活带控制装置的机器上的继电器。 在其他机器上,方向操纵杆激活该继电器。

停车制动器报警继电器用于警告操作员,换挡杆处于档位中,并且停车制动器仍然接合。 当停车制动器接合并且换挡杆处于档位中时,ECM 激活继电器。 发生这一情况时,机器在使用停车制动器的状态下驱动。

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