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1台XG962型装载机配置柳州ZF-4WG200型变速器。该机在使用了1302h后,出现Ⅰ、Ⅱ挡前进和后退均不能工作故障,其他挡位正常。1.换挡控制工作原理ZF-4WG200型变速器是一种电液控制的定轴式半自动换挡变速器,其换挡控制系统工作原理如图1所示。该变速器半自动换挡控制系统主要由换挡手柄、电控单元、电磁阀组件等组成。电控单元接受来自换挡手柄的操纵信号后,进行逻辑判断,并向变速
A Taiwan XG962 Loader configuration Liuzhou ZF-4WG200-type transmission. The aircraft used in 1302h, there Ⅰ, Ⅱ block forward and backward can not work failure, the other gear is normal. 1. Shift Control Working Principle ZF-4WG200-type transmission is a kind of electro-hydraulic controlled fixed-axis semi-automatic shift transmission, the shift control system works as shown in Figure 1. The transmission semi-automatic shift control system mainly by the shift handle, electronic control unit, solenoid valve components and other components. After receiving the operation signal from the shift lever, the electronic control unit performs a logic judgment and sends a signal to the speed changer