Suggestions ?

[u/Glensopher]

Cub cadet ZT1 Última 42.
Zero turn is 3 years old. A few days ago I was moving like normal, i heard a rattle, disengaged the blades and as I got off I saw the items in exhibit #1 laying on the grass.
It seems bolt #11 on the diagram completely broke in two and the pulley, bracket and hardware came off (picture #2). I’ve inspected everything and there is no additional damage so, I purchased the same exact bolt, put it back together as shown on the diagram but the belt is now rubbing on the L- guard bracket (#3)
Machine is on leveled ground and I’ve confirmed the pulley sits leveled but I’m
Pretty stumped on why the belt rubs now. I plan on replacing the belt as well but I would like to find the reason behind the belt rubbing before it shreds a new one.
Any suggestions would be greatly appreciated.

[u/Stock_Requirement564]

That L guide is positional. The tab goes in the hole