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GR180型平地机采用WG180型电控动力换挡变速器,由挡位选择器、控制电磁阀Ⅰ、电磁阀Ⅱ、电磁阀Ⅲ及电磁阀Ⅳ,实现6个前进作业挡、3个后退作业挡、空挡及1个倒挡。该平地机运行过程中,有时会出现“无挡”或“乱挡”故障。这类故障有些是由于挡位选择器损坏,也有些是由于电磁阀损坏,区分是哪个部位损坏比较困难,排查时只能是通过更换挡位选择
GR180 motor grader using WG180-type electric power shift transmission, gear selector, control solenoid valve Ⅰ, solenoid valve Ⅱ, solenoid valve Ⅲ and solenoid valve Ⅳ, to achieve six forward operation block, three reverse operation block, Neutral and 1 reverse gear. During this grader run, sometimes a “no stop” or “glitch” fault occurs. Some of these failures are due to gear selector damage, and some are due to damage to the solenoid valve, the distinction between which part is more difficult to damage, troubleshooting can only be selected by changing the gear