1.适时润滑很重要一台ABG7520型摊铺机,已经工作7000 h,发动机大修1次,大修后工作性能比较稳定。去年进入六月份后,出现了上午工作状况正常,中午一点过后夯锤转速时快、时慢的不稳定现象,明显看出摊铺出的沥青混合料表面有的光洁、有的粗糙,平整度不好。但是过了2～3h,这种现象又 1. Timely lubrication is very important One ABG7520-type paver, has been working 7000 h, engine overhaul 1, after overhaul work performance is relatively stable. After entering the last year in June, there was a normal working condition in the morning and a fast and slow instability when the hammering speed was increased after 1 o’clock in the morning. It was obvious that the surface of the paving asphalt mixture was smooth, rough and smooth not good. But after 2 ~ 3h, this phenomenon again