The step of adjusting drum dryer roller have? When the drum dryer cylinder moves downward, the adjustment bolt tightening (to tighten the loose turns back the number of turns equal), so stop down the barrel; when moving upward turn in the roller filling liquid lubricating oil, and then continue to move up, tighten the bolts. If a valid move up and down, then repeat the above steps until roller drum dryer produces bias skewed.