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许多手扶拖拉机固定在变速箱盖上的罩壳左右两侧钢板经常发生变形,导致档位板偏斜。工作中时常有脱档或挂不上档的现象发生。据初步统计,我市发生这种现象的手扶拖拉机占共总保有量的70%以上。通过调查和分析,其原因多数是由于在超载情况下,高速通过坑洼不平的道路或者越过障碍物的过程中,不降低速度,硬搬硬扭扶手架,用力过猛所致;其次是由于长期风吹雨淋日晒,使钢板锈
Many of the walking tractors are fixed to the gearbox cover on the left and right sides of the housing often deformed steel plate, resulting in deflection gear. At work, there are often off the file or hang up the file occurs. According to preliminary statistics, this phenomenon occurred in our city walking tractor accounted for more than 70% of the total holdings. Through investigation and analysis, most of the reasons are due to over-load conditions, high-speed potholes through uneven roads or obstacles in the process, without reducing the speed, hard to move the arm and brace, too hard to force; secondly due to Long-term wind and rain sun, so that steel rust