Hi Larry noticed no one replyed, so thought i may be able to help.
The bolt connections on your top,like the photo you show,have to be
removed , that is loosen and taken out, then you have to clamp together and retighten
or renew,-then rebolt while it is clamped.
TO do this a big help is to remove the the lower main connection bolts at front by door,
both sides, leave top in place, but place a couple of blocks of wood or similiar about
2 or 3 inches lower , before starting on upper bolts.
Also , go to our forum items for sale, see---sead june 13th he has sets for sale.
regards Wayne.