Key Bushing Cauls

[Paul T Williams]

David,

When did Steinway change from .146 to .131?  All our Steinways are over 18 
years old.

Paul





"Porritt, David" <dporritt at mail.smu.edu> 
Sent by: pianotech-bounces at ptg.org
07/31/2008 01:19 PM
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RE: Key Bushing Cauls






You can’t live without cauls for 0.146” pins as they are so standard.  On 
new Steinways the front pins are 0.131” so if you do any Steinway work 
you’ll need those.  I’d recommend getting a set of 0.146” and buy the rest 
as needed.  All of mine are Spurlock cauls though I know there are other 
good ones out there but Bill will get a set to you on very short notice. 
If you pick up an action to bush the keys and you don’t have the proper 
cauls, you can order them as you are removing the old bushings and have 
them within a couple of days.
 
dp
 
David M. Porritt, RPT
dporritt at smu.edu
 
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On 
Behalf Of Matthew Todd
Sent: Thursday, July 31, 2008 12:01 PM
To: pianotech at ptg.org
Subject: Key Bushing Cauls
 
I would like to order some cauls soon, but I had a question.
 
I feel I don't need to order every single size/shape of cauls available, 
and there are many.  So, what would be a good size to begin with, if I 
were to order only one set?
 
 
Thanks!
Matthew

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