Don,
Liquid Wrench, let soak for 2 days, then apply heat via propane torch. That worked for me a while back when I had the same problem. Good luck.
Eric Elman
Somers, CT USA
>I have a pair of campagnolo brakes and both the adjusters are frozen
> at the top of the barrel adjuster. This is surprising to me and the
> person who sold them to me is willing to take them back. they sat in
> a bikeshop parts bin for many years, and are early 1980's
> recessed-mounted record brakes.
>
> Since the adjusting nuts have no rifling and are not really nuts at
> all i am wondering what techniques you would try to get them un-stuck??
> In particular, how do you get leverage to turn these crazy circular
> things??
>
> I have tried putting them under hot running water with little effect.
> I sprayed them with WD-40 which made the o-ring move around really
> easily. After removing the O-ring I tried clamping them in the nylon
> jaws of a panavise but they just slipped out when i put M6 2 hex nuts
> on the barrel and tried to turn it.
>
> Since I am potentially going to return these i am limited as to the
> amount of force i can apply to get them un-stuck.
>
> - Don Gillies
> San Diego, CA