Another thing I should mention...
If you do decide to try it...make sure you clean all the parts several times.
Wash them with a strong grease cutter (brake parts cleaner spray, lacquer thinner, acetone, carb cleaner, etc.) first, before cutting/grinding, so the filings don't stick and clutter up and obscure your view of the work piece. Then, when you're done w/ the Dremel, again clean the grindings/filings off with your strong cleaner, and lots of Q tips and paper towels...then lube asap so rust doesn't start. You can't be too clean when doing this...and when it comes to re-assembly.