Originally Posted by spaceyaquarius
Yeah, I've got to clean it right. I put a wrench on it and hit it with a hammer and it wouldn't budge. This may be a stupid question, but would WD-40 on it help get it off there?
No, I don't think so because it's probably gunked up inside, not outside. Maybe the rubber o-ring has sort of melted/stuck (that happened to one of mine), or the post is full of crud. I got all of mine off, eventually, with some brute strength. (This is really funny, if you actually saw me in person!
My "brute strength" also involved a mallet, a hammer, a deep socket, and lots of curse words. I think it was the old Army combo of "mother" and all the four letter words I knew that persuaded it to come off.
But check with the manufacturer of your keg, to make sure you aren't going to damage it. I have a mix of challenger kegs, cornelius, and firestone kegs, and they are different but they all come off.