I had a similar problem with a new bead blast model. No matter How I tightened the pivot screw, the blade would rub. I was going to send it back to Emerson, but a friend decide he didn't care if the blade rubbed and took it off my hands.
My advice is to go ahead and return it to Emerson. Especially since to solve the problem, you need to tighten the pivot screw to the point the blade is hard to open.
[This message has been edited by Dirk (edited 13 August 1999).]
[This message has been edited by Dirk (edited 13 August 1999).]