I just bought a used BX2537 sweeper to use on my new concrete driveway when the snowfall is not too much. Don't want to scratch that concrete with my blower skid shoes. I hooked it up on my quick hitch and used the PTO shaft from my snowblower. When I got it spinning the broom is going the wrong way spitting debris towards the tractor and me. Is there an easy fix to this. Is the gearbox interchangeable? Should my Kubota dealer not realized this? Thanks