拖拉机在工作中应经常注意后桥室是否过热或有异常声响,如有应立即停车找出原因,将故障排除。拖拉机后桥常见故障与排除要点如下。1.细听异响在行驶过程中应注意,后桥有无异响,通常当主减速锥齿轮磨损严重,或锥轴承预紧力过小时,会发生异响,而又以油门改变时较明显。 Tractor at work should always pay attention to whether the rear axle chamber overheating or abnormal sound, if there should be immediately stopped to find the cause, the troubleshooting. Tractor rear axle common faults and exclusion points are as follows. 1. Listen to abnormal sound In the course of driving should pay attention to whether the abnormal noise after the bridge, usually when the main reduction bevel gear wear serious, or preload cone bearing too small, the occurrence of abnormal sound, but when the throttle changes more obvious .