Originally Posted by
dweenk
I examined 2 spare pulleys and the screws seem to be captive screws. I suppose you could force them out, but then you would need to devise a way to keep the screw from backing out upon reassembly. Locktite perhaps?
The bolt that acts as the axle for the pulley has a length of thread that bottoms out and tightens before the shoulder of bolt head presses on the pulley. That way it can be sufficiently tightened without jamming the pulley. No glue needed.