Verdigris

[Jim]

Hi Dick:

My experience is different.  My Steinway L which I bo't in 1952 has
Verdi Gris.  I've treated with everything including protek clp,
and it still comes back later sluggish as ever.  Repinning is the
only thing left to do.

Jim Coleman, Sr.

On Sat, 15 Feb 1997, DICK BEATON wrote:

> Use protech solution to deal with vetigris... I used this on a Steinewy B
> that sat around for 25 years unused.  It worked just fine not only on the
> hammer butt flanges, but on the return spring slots as well.  That was
> several years ago and the piano is still working just fine in a Cathedral.
>
> Dick Beaton RPT Helena MT
>
> ----------
> > From: Maxpiano@aol.com
> > To: pianotech@byu.edu
> > Subject: Verdigris
> > Date: Saturday, February 15, 1997 2:12 PM
> >
> > List -
> >
> > If I am asking a question that was handled in posts before I joined
> several
> > months ago, be kind enought to point me to the proper archives.
> >
> > My experience has been that solvents and even repinning provide no
> permanent
> > cure for verdigris because of a chemical present in the bushing.  If I
> were
> > dealing with a Steinway, I would replace the parts wholesale.  The
> instrument
> > in question is a fine old Laffargue upright that I have treated on two
> > occasions with flange shrinking solution, and the wippen and jack flanges
> are
> > still very sluggish.  Closer inspection on the last visit showed
> verdigris in
> > the jack flanges, but I could not detect any in the wippen/tongue
> flanges.
> >
> > My proposal, which the customer has accepted, is to rebush the jack
> flanges,
> > and repin the wippen and tongue flanges.  (The hammer centers have freed
> up
> > acceptably).  My question is, with new bushings, is there enough of the
> ph
> > imbalance in the surrounding material (or dragged by the pin through the
> eye)
> > to cause a return of the problem down the road?
> >
> > Bill Maxim, RPT
>