卡簧脱落造成捣缸一台小四轮拖拉机在行驶中，出现冒黑烟，发动机发出强烈的敲击声，机手没停车检查．继续行驶，当行驶出数十米后，发动机“吐”一声响，造成活塞破裂，连杆小头将缸套、缸体击穿。一般来说，捣缸事故是由连杆螺栓折断或脱落、活塞销脱落或折断造成的．另... Reed off caused by a small four-wheeled tractor pounding cylinder driving, black smoke appeared, the engine issued a strong percussion, the driver did not stop inspection. Continue driving, when driving tens of meters, the engine “spit” a sound, causing the piston rupture, connecting rod head cylinder liner, cylinder breakdown. In general, the tanker accident is broken by the connecting rod bolt or off, the piston pin off or broken caused. another...