Drip large amounts of Magic Mystery Oil (from your auto supply store) from the inside and outside and let sit for a week. There is never been a set of threads that haven't yielded to that penetrating oil. Then follow the instructions below. Maybe.
-- Don Keenan Boulder, CO 303-530-4033
-------------- Original message ----------------------
From: wilc <cherrycycle1@yahoo.co.uk>
> WARREN...... i have two usually faithful methods for getting tight fixed cups
> out .
> 1.. with the naked frame clean all the crap,paint grease etc away from the
> outside of cup and fix EDGE tightly in a vice.make sure you are pulling on frame
> in the same plane as the cup will try to escape[ sharp blows with a ballpein
> hammer before you begin is a old trick to loosen the thread ]this will usally do
> the trick but failing that
> 2.. get a 3/4 '' coarse threaded bolt a real strong one about 4.5 /5 '' long
> brase or weld a nut about 3/4'' from the end ..get a strong serrated or spring
> washer and insert this into the shell so that you can tighten another nut with
> washer so sandwiching the cup.i mean really tighten this up. then fetch a big
> shifter or air wrench and give it all you have!! i have seen a 4ft bar and a
> real strong guy having diiffs with these but these were in cheapo mtbs that had
> been in salt water. if all else fails and in number 2 you will damage the cup
> anyway weld a bar on to the cup the heat often does the job..
> willie carton in a cold Coleraine co. Derry N.Ireland
>
> Warren Hall <warrenhall@houston.rr.com> wrote:
> I have the same problem on two Italian frames right now from the early 80's.
> A Pinarello Treviso and a Bianchi X4. In both cases, the fixed cups will
> not move for the life of me. Any recommended for loosening these? They are
> both 7400 series dura ace with 36 mm flats on them. I've blasted them with
> liquid wrench for the time being.
>
>
>
> Thanks,
>
> Warren
>
>
>
> Houston, TX (Clear Lake)
>
> Pinarello Montello SLX & Woodrup Giro plus two naked frames with stuck fixed
> cups!
>
>
>
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