JLG40F trying to remove boom telescopic cylinder

Wow, what have I got myself into? I bought this machine for $2000 without hearing it run but a guarantee that everything worked. Sure enough, after getting home and cleaning out the carb and some homemade intake gaskets we fired it right up and backed off the trailer. Due to it sitting for a couple of years it had a few bugs mostly electrical but is pretty much fully operational now. Here's my problem: the boom extend/retract chains were hanging low and apparently jumped the sprockets and...

JLG40F trying to remove boom telescopic cylinder

JLG40F trying to remove boom telescopic cylinder