Just to clarify we’re talking about the big flat nut that threads onto the large threaded shaft coming out of the back of the cab between the back of the arm?

Did you just lever it off with a screw driver?

I keep seeing a plate that removes to access a hidden nut in the schematic but it’s not the same on this truck.

Just ordered a replacement blade today. The one on there was bent and I bent it even more backing into a tree while camping this weekend. Thankfully that’s the only thing that made contact and got damaged. Especially since I had just finished treated all rust, scratches and touching up with duplicolor haha!

Ill get the arm styled up before the new blade comes. Thanks for the help.