Well its been going about for quite a few years. My friends freinds was given it by a friend that gave it to my friends friend that gave it to my friend gave it to me.
The new surleys are now cast and not CNCed. The springs no longer rip out inside anymore. You shouldn't even need to do it that tight to break it anyway.
Get a new one.
My deore was like this too. I got two spanners and loosened the cones off until it was all wobly and then did them back up again and since then its been smooooooth!