Weak pin block

[David Ilvedson]

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And we're still trying to find a use for them...I use CA glue=
 exclusively for a loose pin. 

David I.

----- Original message ---------------------------------------->
From: John Ross <jrpiano@win.eastlink.ca>
To: Pianotech <pianotech@ptg.org>
Received: Wed, 16 Jun 2004 13:40:46 -0300
Subject: Re: Weak pin block

Hi Julia,
When I used to shim a pin, with sand paper, I used to make a tube=
 of the sandpaper, and slip it in the hole, grit side to the=
 wood.
This is the first time I have heard of grit side to the pin.
If I do it now,because, I don't have an oversize pin, I will=
 frequently use a bit of veneer.
One thing NOT to do is use these metal tuning pin bushings, that=
 are sold by the supply houses. I still have them left from 1975,=
 when I didn't know better, and bought some.
Regards,
John M. Ross
Windsor, Nova Scotia, Canada
jrpiano@win.eastlink.ca
----- Original Message ----- 
From: Alpha88x@aol.com 
To: pianotech@ptg.org 
Sent: Wednesday, June 16, 2004 1:16 PM
Subject: Re: Weak pin block


Greetings, 

           Up in piano tuning school, we were advised to lay the=
 piano on it's back via a piano tilter and use CA glue, or the=
 old formula of violin rosin mixed with alcohol as a tightening=
 agent for loose pins.

           Also, if the situation is bad enough, a piece of 150=
 grit sandpaper could be cut in about a 3/8" wide strip, the=
 length of which would be twice the circumference of the pin,=
 folded in half width wise and wrapped around the pin and put=
 back in the hole. The folding in half width wise, allows you=
 would wrap the grit towards the outside of the pin and there=
 will be grit surface towards the inside of the pin, so that the=
 grip occurs between the pin and the block's hole and the pin and=
 the inside of the sandpaper. 
           I never had to try it yet as I have only been tuning=
 for a little over a year. It worked at school and I would try it=
 if I had the need.
Hope this helps.

Julia Gottchall,
Reading, PA  


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