my dad just recently helped me try to get my plates to grab cuz there slippin bad so we oiled em and sandpaper and it didnt help but when he put it back together i took it for a secend test ride and the basket hit the inside of the case and it knocked sum teeth off the basket and ruined the plates im not sure what he did wrong the only thing i can think of is that one of the spring screws head got borken off and he put a diff screw in would that make it off blanace enough to do that??? helpppp