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１故障现象 我公司生产的ＺＬ系列装载机采用行星式和定轴式两种变速器，根据整机破坏性试验和质量事故反馈信息，在工作２００ｈ左右，常发生变速压力不能建立、变速器油温非正常升高、换挡反应迟缓甚至乱挡等故障。排除挡位间等液压系统因素，拆箱检查，发现摩擦离合器活塞不
1 Symptom The ZL series loaders produced by our company adopt two types of planetary transmission and fixed shaft transmission. According to the destructive test of the whole machine and the feedback information of quality accidents, it can not be established that the pressure of variable speed can not be established at about 200h. Normal rise, shift slow response or even disorder and other failures. Exclude the hydraulic system factors such as gear, unpacking inspection found friction clutch piston is not