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有两台ZLC50型装载机均出现各挡行走无力的故障现象,其中一台的变速工作压力为0.8 MPa,另一台为O.7MPa。对于变速工作压力为0.8 MPa的故障机,变矩一变速器总成刚大修过,但变速器操纵阀(见附图)未检修,变速泵半年前才更换,只工作过一个月的时间。通过对故障原因的分析,其他因素均可排除,只有变速操纵阀的调压阀调整不当的可能性较大。
There are two ZLC50-type loaders are unable to walk each block appear fault phenomenon, one of the variable speed working pressure of 0.8 MPa, the other is O. 7MPa. For variable speed working pressure of 0.8 MPa fault machine, a torque transmission assembly just overhaul, but the transmission control valve (see photo) did not overhaul, variable speed pump was replaced only six months ago, only worked for a month’s time. Through the analysis of the cause of the malfunction, other factors can be ruled out, only variable speed control valve regulators improper adjustment is more likely.