Use the database for answers. There are over 15 years of explanations regarding d8b idiosyncracies articulated in there. Its purpose was just for that.
Peter
In the scheme of things, there isn't one... just chaos.
Peter that's just it. Maybe they put a tiny bit of lube on the bar inside the fader? Motor? Not sure. But omce that alcohol hit it. It now feels like sand paper and is stiff. I pull the board, cleaned it with air, and let it dry out. Checked the belt. Plastic parts, etc all look fine. So someplace has to have been lubed by the manufacturer to make them at one time smooth.