Sorry, I can't read the whole thing but........
Seriously .... the gas cylinder has a lek and needs to be replaced. The issue is how to remove the damned thing. It simople to assemble ...... a tapered male part fits into 2aa matching tapered hole.
Buy a NEW chair, IDIOT! Mama can afford cruises for cripes sake! Can't you afford a stinkin' chair? Pull your finger outa the cat's butt and buy a frikkin' CHAIR! Jeez!!!!!!!!
edited to add.......what the **** is a 2aa tapered hole? Is this some kind of gay thing?