1.操作不当。在作业中超载、超速行驶,在急转弯或车子起步及通过困难地段猛轰油门、快松离合器时,板簧承受的冲击载荷、变形幅度、振动频率等严重超标,使簧片或中心螺栓早期疲劳破坏、折断。应严格按操作规程驾驶操作,做到装载符合要求,合理控制车速,多用预见性制动,尽量避免高 Improper operation In the operation of overloading, speeding, sharp turns or the car started and through difficult areas when the throttle, quick clutch, the spring load, deformation amplitude, vibration frequency and other serious overweight, the reed or central bolt early Fatigue damage, broken. Should be strictly in accordance with operating procedures driving operation, so that loading meets the requirements, reasonable control of speed, the use of predictive braking, try to avoid high