Hi sparky, squeal usually comes from a dry drive shaft, i know there's been lots of discussion on what to use on them, but i've only ever used the inox high temp bearing grease with no probs at all. make sure the shaft is smooth and square, no notches or chucks out of it, and most important , that the turned ends where the outer mounting bearings sit ,are not worn, if the grub screws come loose, they slide on the shaft and wear it down.......meaning the whole assy moves, which means building them up again or replacing the shaft. just a tip to , make sure you chamfer the inside edge of the small discs on each side of the inside square, this stops them catching on the shaft causing sticking. i wouldn't use graphite powder on the cork as i would think that would cause slipping, ?? and i would finish the drive faces with emery, you dont want to take to much off. doing it that way, you'll find the high spots arnt that high. shimming is most critical, and may take a couple of assemblies to get it right, and make sure the shims are in the right order or you get the problem of stuck/jammed springs that you mentioned, and as long as you get the last 'click' on the top pulley when you get it all back together, you should be right.......? cheers pete
