I'm having slippage problems with my tailstock on my 12 year old Jet mini. It will slip on the bed and move away from the piece I'm turning. I've adjusted the off center lock a couple of times, I've removed it and roughed up the surfaces that lock it in place. The only way I can get it to stay is to use some leverage with a small box end wrench. Even then it will loosen.
Any suggestions?