我司一辆663B型东风客车因离合器发生故障,当驾驶员准备将车开上洗车台检查,挂低速档加油上台阶时,忽听“啪”的一声震响,即停车察看,前胎爆破。原因是离合器摩擦片损坏,因该车未安装离合器底盖(俗称小油底壳),致使破裂的钢片从离合器内甩出,击向两侧,将前轮两条新轮胎击破,造成了经济损失。这起意外胎损事故是比较少见。但据笔者观察,一些客货运输车辆不安装小油底壳却并不鲜见。究其原因,主要是一些驾修人员认为小油底壳可有可无,安 Our 663B-type Dongfeng Bus due to a clutch failure, when the driver is ready to open the car wash the car check, hang low gear on the stage, suddenly heard "snap Tire blasting. The reason is the clutch friction plate damage, because the car did not install the clutch bottom cover (commonly known as the small oil pan), resulting in ruptured steel thrown from the clutch, hit the sides, the front two new tires broken, resulting in Economic losses. This accidental fetal damage accident is relatively rare. However, according to the author’s observation, it is not uncommon for some passenger and cargo transport vehicles not to have a small oil pan. The reason is mainly that some drivers think that a small oil pan is dispensable and safe