Bluthner action regulation/specs

[piannaman at aol.com]

Thanks, Jurgen.  I have an offset screwdriver, but turns out I don't need it because I can get to both screws with my long action screwdriver through spaces between shanks and flanges.
 
Good info about spring bending.
 
Thanks again,
 
Dave Stahl




Dave Stahl Piano Service
650-224-3560
dstahlpiano at sbcglobal.net
http://dstahlpiano.net/



 
 
-----Original Message-----
From: pianoforte at pianofortesupply.com
To: pianotech at ptg.org
Sent: Wed, 23 Aug 2006 8:48 AM
Subject: Bluthner action regulation/specs


Dave: 
a good tool to adjust Bluthner (and most other) rocker capstans is the offset screwdriver made precisely for that purpose. (Please note that this is not a photo of a Bluthner action) 

[Image Removed] 
For more info on this tool, see: 
http://www.pianofortesupply.com/offsetinfo.html 
 
As for the jack spring, it can be adjusted without a tool, using your fingers. It is important not to change the 90 degree bend in the wire.  Make adjustments by only bending this spring fore and aft at its base. 
 
Jurgen Goering 
Piano Forte Supply 
(250) 754-2440 
info at pianofortesupply.com 
http://www.pianofortesupply.com 
 
Dave Stahl wrote: 
  <snip> Does anyone familiar with these have specific tools they use for bending the springs or other functions, or a specific method for bending/massaging/cajoling/tweaking them? 
 
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