Man, what a dilema, I've never heard of that happening with belt drives. The chain drives used to loosen up all the time with wear. I havnever even had to adjust my beltdrives until I needed to replace the rear tire. It shouyld be an easy change though, loosen the axle and undo the nut on the adjuster and it should slip off. By: greybeard77 on: 2-17-2009