东风 6 1 0 0Q型发动机第 5缸气缸套下部左前方气缸体处最容易开裂 ,以致冷却水渗漏和机油变质。如果把发动机抬下修理 ,则既费工 ,又费时。试用生漆对这类气缸体裂纹进行旧车修理 ,取得了良好的效果。具体方法如下。1 .在将气缸体内的水放净后 ,拆下第 5缸活塞 ,并转动曲轴 , Dongfeng 6 1 0 0Q-type engine 5 cylinder cylinder liner lower left front of the cylinder body most likely to crack, resulting in cooling water leakage and deterioration of oil. If the engine is carried down to repair, it is both labor-intensive and time-consuming. Trial paint on the cracks of these cylinder body old car repair, and achieved good results. Specific methods are as follows. 1 in the cylinder body of the water after the net, remove the 5th cylinder piston, and turn the crankshaft,