balance rail bushing removal

[Isaac OLEG]

Use the (awful) kettle from Renner's and steam 5 keys at once. The
advantage being less moisture in the key (less warping) , and a good
closing of the balance hole.

The bushings are really loosened with this process, even if glued with
vinyl glue or such.
A good regulation of the heat is necessary to avoid too much steam and
water.

No better solution at this day - takes 15/20 min to unglue a set.

Sizing cauls immediately to be quiet.

See the pic on next mail !

I don't like the stain leaved by wall paper remover, using a damp rag
and a hot iron works very well too, but one may use some kind of
fixture to hold pressed all the keys together so they don't warp,
particularely on harder wood keys.

Eurocents ideas

Isaac OLEG

Entretien et reparation de pianos.

PianoTech
17 rue de Choisy
94400 VITRY sur SEINE
FRANCE
tel : 033 01 47 18 06 98
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> -----Message d'origine-----
> De : caut-bounces@ptg.org [mailto:caut-bounces@ptg.org]De la part de
> Fred Sturm
> Envoye : mercredi 21 mai 2003 00:28
> A : College and University Technicians
> Objet : balance rail bushing removal
>
>
> 	It being bulk keybushing time, while steaming out a
> set of bushings I
> called to mind a question posted a few months back, I think
> by Wim. The
> question referred to removal of those balance rail bushing
> that have the
> fold of felt that goes under the button. Here's how I do it.
> 	After a good pre-soak with wall-paper/acetic solution
> (maybe two
> applications to ensure it wicks all the way through to the
> edges - look and
> see that it does), and a good steaming (so the felt is
> already pulling away
> from the sides), grasp the felt with a tweezer and push
> down into the
> mortise, then lift upward. The downward motion almost
> always will serve to
> pull the felt out of the slot between button and key. With
> practice this
> becomes a single, fluid motion. Much of the time. it can
> even be possible
> to grasp both sides at once and push/pull them out.
> 	If this is unsuccessful for a few keys (numbers 1 and
> 88 are common
> culprits due to extra wide buttons, but sometimes there are
> a few other
> troublesome ones), push the felt in from the outside of the
> slot, using a
> thin slotted screwdriver. If you have your keys in clamps,
> a tool for the
> purpose can be made from scrap music wire (broken bass
> string) by making a
> tiny 90 degree bend in the end of the wire. That little bend can be
> insinuated between keys and worked in the slot.
> 	A few months late, but maybe it will help someone
> else who is in
> keybushing heaven.
> Regards,
> Fred Sturm
> University of New Mexico
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