[CAUT] glue sizing

[Don Mannino]

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Wim,
=20
Using the key pin to help glue size isn't a good idea, as you have
found.  Using straight glue is also not correct - it has to be thinned a
LOT in order to get it to penetrate.  Finally, IMHO it is best to use
the weak glue solution, then let it dry laying on the workbench (off of
the pin), then later ease the key to fit.
=20
If the hole dimension change required isn't too much, do this instead:
=20
- Wet the key bottom hole.
- Apply hot iron (soldering iron can be used) to create a quick flash of
steam.  Pssst - 1/2 second, that's all the contact you need.
- Put the key on the keyframe.  If it is not tight going down, then
steam it a second time.  If it still isn't tight, then it needs more
extensive work (shimming with veneer).  The key hole should feel tight
when you put it on the pin wet.
- Let dry overnight (or a couple of days in the summer time maybe), then
easy from above using the tapered easer.
=20
Don Mannino
=20
=20

-----Original Message-----
From: caut-bounces@ptg.org [mailto:caut-bounces@ptg.org] On Behalf Of
wimblees@aol.com
Sent: Monday, June 27, 2005 9:33 AM
To: caut@ptg.org
Subject: [CAUT] glue sizing


Ok, you guys, help me out here. I should probably know this, but I'm
having trouble glue sizing my balance rail holes.=20
=20
I put the glue in the hole, wipe off any excess, and then put the key
back on the balance rail. I wipe off the glue comes out the top. After
the glue dries, there are three problems. 1. the balance rail punching
is sometimes glued to the bottom of the key. That's an easy fix. 2. The
glue at the top of the pin dries to the bushing. When I remove the key,
sometimes the bushing come off and I have to rebush. 3. I have to clean
the glue off the balance rail.=20
=20
What am I doing wrong?
=20
Wim


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