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我场一台上海—50型轮式拖拉机在作业中,变速箱内突然发出“咔咔”的异常响声且换档时变速杆有跳动的感觉。根据此故障现象,我们打开了变速箱盖并将车体分解。经检查发现:Ⅱ、Ⅲ档滑动齿轮与变速箱第一轴常合齿轮啮合面严重磨损;变速箱第二轴传动齿轮套的拨又有轴向窜动现象,其原因是齿轮侧面磨损严重。根据上述原因,我们采取了如下修理措施:1.更换了Ⅱ、Ⅲ档滑动齿轮。2.更换了变速箱第二轴的前轴承(64805)、中间轴承(502110)和后轴承(943/20)。
My field a Shanghai -50 wheeled tractor in the operation, the transmission suddenly issued “Kaka ” abnormal noise and gearshift lever has beating feeling. Based on this symptom, we opened the gearbox cover and dismantled the bodywork. The inspection found: Ⅱ, Ⅲ file gear and the gear box first gear often engaged gear serious wear and tear; transmission gearbox gear shaft sleeve dial and axial movement, the reason is serious wear and tear gear side. Based on the above reasons, we have taken the following repair measures: 1. The replacement of Ⅱ, Ⅲ gear sliding gear. 2. The front bearing (64805), intermediate bearing (502110) and rear bearing (943/20) of the second gearbox shaft have been replaced.