[pianotech] Breaking Let-off Regulating Dowels on Pramberger JP 208 6'10" Platinum Edition

Paul Milesi paul at pmpiano.com
Fri Jan 15 10:29:59 MST 2010


Jim & Jon:  Thanks for your replies.  I will be better prepared henceforth.
Simple enough!  :)

Paul Milesi, RPT
Washington, DC
(202) 667-3136
E-mail:  paul at pmpiano.com
Website:  http://www.pmpiano.com



From: Jim Busby <jim_busby at byu.edu>
Reply-To: <pianotech at ptg.org>
Date: Fri, 15 Jan 2010 06:08:23 -0700
To: "pianotech at ptg.org" <pianotech at ptg.org>
Conversation: [pianotech] Breaking Let-off Regulating Dowels on Pramberger
JP 208 6'10" Platinum Edition
Subject: Re: [pianotech] Breaking Let-off Regulating Dowels on Pramberger JP
208 6'10" Platinum Edition

Paul,
 
What Jon said, and always carry a bunch of extras. They sometimes just
break, and it¹s nice to not worry about it.
 
Jim
 

From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Paul Milesi
Sent: Thursday, January 14, 2010 11:41 PM
To: PTG Pianotech List
Subject: [pianotech] Breaking Let-off Regulating Dowels on Pramberger JP 208
6'10" Platinum Edition
 
Tonight I was regulating a Pramberger JP208.  When turning up the let-off
dowels to bring let-off closer to the strings, I found several of them
cracked.  :(  I was very careful, turned slowly, and tried a couple of
different tools, including the Yamaha short and long, as well as a
³traditional² grand capstan tool (Schaff, I think).

The dowels don¹t seem to be excessively high, outside the normal range.  I
also noted upon inspection that somebody else had cracked a few before me.
Is this a known problem with Young Chang or Pramberger?

Suggestions?  Other tools?  Should I replace the cracked ones?  They still
regulated and appeared ³stable,²  even though split on one side.  If I
should replace, then from what source (OEM, supply house, etc.)?

Thanks,

Paul Milesi, RPT
Washington, DC
(202) 667-3136
E-mail:  paul at pmpiano.com
Website:  http://www.pmpiano.com


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