agraffes

[Isaac OLEG]

Owen, I read the agrafes aligned with the rest of the set, I guess you
align the agraffes with the bridge (or the string) they dont align
themselves always well together.

A pointing device mounted on the agraffe tool is a good tool for that.

Regards.

Isaac OLEG

Entretien et réparation de pianos.

PianoTech
17 rue de Choisy
94400 VITRY sur SEINE
FRANCE
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> -----Message d'origine-----
> De : pianotech-bounces@ptg.org
> [mailto:pianotech-bounces@ptg.org]De la
> part de Owen J. Greyling RPT
> Envoyé : mardi 27 mai 2003 02:05
> À : Pianotech
> Objet : Re: agraffes
>
>
> Comments below. Sorry if my questions were not well enough
> stated the first
> time around. My fault, to little information.I was doing
> basic dealer prep
> on both of these pianos that presented me with more
> involved problems then
> what I was getting paid for. I had to "move on", but
> wondered if there was
> an easy solution that I wasn't seeing!
>
> ----- Original Message -----
> From: "Ron Nossaman" <RNossaman@cox.net>
> To: "Pianotech" <pianotech@ptg.org>
> Sent: Monday, May 26, 2003 11:24 AM
> Subject: Re: agraffes
>
>
> >
> > >Two questions about agraffes...
> > >
> > >1.) Are agraffes loose enough to be used as string
> spacers, an accident
> > >waiting to happen? ( new entry level grand on showroom
> floor ) Yes, the
> > >factory workers used the agraffes as adjustments for the
> trichord damper
> felt.
> >
> > I don't understand. How can loose agraffes be used as
> string spacers, or
> as
> > adjustments for trichord damper felt?
>
> -I know this sounds strange, but the string spacing changed
> enough to affect
> the dampers. When I straightened the dozen or so agraffes that were
> obviously out of line, the trichord damper felt no longer
> did it's job
> properly and had to be adjusted, to get reasonable damping.
> The agraffes are
> obviously not as tight as they could be.
>
> > >2.) In a decent quality grand ( rhymes with hamburger ),
> on another
> > >showroom floor, would it be foolhardy of me to try to force a few
> > >misaligned agraffes far enough that the strings could be
> levelled in the
> > >same plane as the rest of them? These agraffes are
> tight, I could not
> > >budge them with the small agraffe tool that fits in the
> combination
> handle.
> > >
> > >Owen Greyling
> >
> > I don't understand again. How could misalignment affect level?
>
> -There are two agraffes on this piano that would be
> properly in line with
> the rest of the set if they were turned slightly in a
> clockwise fashion. The
> strings on both of these agraffes, when checked with a
> bubble gauge, are
> higher on the left side then the right by a small amount. I
> had levelled all
> the other strings and gang levelled hammers mated up well,
> except for these
> two unturnable agraffes.
> Owen G.
> > Ron N
> >
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> >
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