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近年来发现进行非计划修理的摘车数有所增加。已经查明,在空车状态下摘车占绝大多数,这是因为这些车辆在装卸作业和调车作业中发生损坏,例如,墙板和立柱撕裂或折损;车门损坏或丢失;底门和侧墙板折损;一些梁件的上盖板脱落,等等。在车辆要进行修理的总共52种主要故障中,根据By-31的资料,只有车轮磨耗、踏面环形磨损等类型的故障才具有磨损和疲劳性质。每辆运用货车仅仅因为故障每年就要停用3～5次,进行摘车修理。而1964年以前造的过期车发生的故障要比1974年以后造的车大
In recent years, there has been an increase in the number of pick-ups for unplanned repairs. It has been ascertained that the majority of pick-ups are in empty status as these vehicles are damaged during loading and unloading operations and shimming operations, eg, tearing or fraying of wall panels and pillars; damaged or missing doors; Doors and siding breakage; some beam cover off, and so on. Of the 52 major faults that the vehicle is going to undergo repairs, according to By-31, only wear and fatigue properties such as wheel wear, ring wear on the tread surface, and so on. Each use of trucks just because of failure every year to be disabled 3 to 5 times, pick the car repair. Excess vehicles made before 1964 were more likely to fail than those made after 1974