key bushing removal- choice of glue

Isaac OLEG oleg-i@wanadoo.fr
Sun, 22 Jun 2003 15:10:35 +0200


I use only pre gluing if  the wood /surface is poor. If overdone it
tend to harden your mortise, it can be a good thing, but not always
(noisy).

3/4 hour is the time needed to glue a set of balance bushings these
days (without flaps) thanks Spurlock !

Greetings

Isaac OLEG


Entretien et réparation de pianos.

PianoTech
17 rue de Choisy
94400 VITRY sur SEINE
FRANCE
tel : 033 01 47 18 06 98
fax : 033 01 47 18 06 90
cell: 06 60 42 58 77

> -----Message d'origine-----
> De : pianotech-bounces@ptg.org
> [mailto:pianotech-bounces@ptg.org]De la
> part de Farrell
> Envoyé : dimanche 22 juin 2003 14:24
> À : Pianotech
> Objet : Re: key bushing removal- choice of glue
>
>
> Good replies so far. I have found that if the original glue
> was hide, just water and a couple hours will have them
> falling out (I add a little alcohol at first so that the
> water can wick into the felt). I did a set of Baldwin keys
> recently with the bushings glued in with some kind of white
> glue. I soaked them with water for some hours (recollection
> is four to six hours) and some were kinda loose. I hit them
> with the soldering iron and brass caul inserted into the
> mortise and all popped out very easily and quickly. I did
> no post-removal cleaning of the mortise.
>
> I then size the mortise with Spurlock mortise sizing cauls
> and allow an overnight dry.
>
> Next day - swab down bare mortises with thin hot hide glue
> (as Bill Spurlock instructs) and then install new bushings
> with hot hide glue. I have not had the need to use any kind
> of retarder. I put glue on a length of bushing material and
> do about three bushings before reloading with glue.
>
> Works for me.
>
> Terry Farrell
>
> ----- Original Message -----
> From: "Tom Driscoll" <tomtuner@attbi.com>
> To: <pianotech@ptg.org>
> Sent: Sunday, June 22, 2003 12:00 AM
> Subject: key bushing removal- choice of glue
>
>
> List,
>
>             Part 1
>
> Most of my key rebushing jobs have been on older keys and
> steam removed
> the old bushings easily.
>
>             Tomorrows job will be on a mid 80's Young
> -Chang and I'm not
> sure what type glue was used.
>
>             I searched the archives and read of Wallpaper
> remover,steam
> , or  soaking bushings with an ammonia solution. I read that the
> wallpaper remover can inhibit adhesion on rebush.
>
>             Any tips appreciated.
>
>             Part 2.
>
>             Pvc-E ? For rebush?
>
>             Back to the future with animal hide glue?
>
>  I confess that my glue pot has spider webs in it
>
>             I'll be dead when these have to be removed
> again, but I'm
> leaning toward hide glue because I care about the next
> tech. That's just
> the kind of guy I am.
>
>             Should I add urea to the mix? The ratio
> suggested was ½ tsp
> to 1 tablespoon granules.
>
>
>
>             Joe Garrett, Don't get mad, but what's the word
> on PVC-E?
> Will I be creating a problem for the aforementioned future
> tech, or can
> it be dissolved easily?
>
>             Awaiting advice with appreciation
>
>             Tom Driscoll
>
>
>
>             P.S. I don't look to the archives as often as I
> should, but
> that's where Newton lives ,still helping us along our way.
>
>
>
>
>
>
> _______________________________________________
> pianotech list info: https://www.moypiano.com/resources/#archives
>


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