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1台柳工5t装载机在作业时,出现挂Ⅱ挡行走无力故障,甚至有时不能行走。经检查,得知变速器油位符合要求,滤网没有堵塞,油压正常,但变速器油液中含有杂质。由此判断可能是变速离合器损坏。于是拆开变速器,发现Ⅱ挡离合器摩擦片出现严重烧损和拉伤,且Ⅱ挡离合器缸内积存大量油泥。该变速器工作原理如下:当驾驶员进行换挡操作时,压力油经变速器主控
1 Liugong 5t loader in operation, appeared hanging Ⅱ block walking weakness, and sometimes can not walk. After examination, that the transmission oil level to meet the requirements, the filter is not blocked, the oil pressure is normal, but the transmission fluid contains impurities. From this, it may be judged that the transmission clutch is damaged. Then disassembled the transmission and found that the second gear clutch friction plate suffered serious burning and strain, and the second block clutches a large amount of sludge tank. The transmission works as follows: When the driver to shift operation, the pressure oil by the transmission master