Expanding YC action bracket symptoms??

[Farrell]

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I've dealt with Phil Glenn at YC on these. phil_glenn@yca.tzo.com  He =
had been very helpful

If the piano is mid 80s to early 90s and the hammers are blocking - =
almost guaranteed that you have expanding brackets. If they have =
expanded alot, yes you can easily measure the expansion - either measure =
the brackets themselves and compare, or you can measure the action =
spread. However, I have done bracket jobs where the action spread was =
apparently unaffected, but still when I replaced the brackets, all =
troubles were solved and the action regulated real nice.

YC will provide the new brackets and reimburse up to $250 to $300 - =
enough to replace the brackets, but not for a full action regulation. I =
just got paid today, as a matter of fact, for the last action bracket =
job I did - $1,170. They understood that it was time for a full =
regulation, damper regulation, hammer filing, some repinning - basically =
to go through all that stuff down thar in the action cavity and make it =
work as good as it could.

But beware - don't sell an action bracket job for $300 and think that =
the piano will play well without a good regulation!

Terry Farrell
  ----- Original Message -----=20
  From: Piannaman@aol.com=20
  To: pianotech@ptg.org=20
  Sent: Friday, June 18, 2004 11:13 AM
  Subject: Expanding YC action bracket symptoms??


  Hi List,=20

  I know this topic has been dicsussed a fair amount at various times in =
this forum.  Yesterday, I went to tune a Weber WG50(about a 5' 7" grand =
I believe) which was manufactured by Young Chang.  What I found was a =
piano so out of regulation as to be virtually unplayable.  Hammers were =
blocking against the strings, and it took more than a full turn of the =
let-off dowels to get any let-off at all.  =20

  I didn't get very far into it, because I'd only alotted time for a =
normal tuning appointment.  I did take off the top action to check for =
abnormal tightness in the keyframe, but it seemed to go in and out just =
fine.  But the amount the piano has gone out of regulation is of concern =
to me.  =20

  Other factors:  The piano was in Pennsylvania before it came to a much =
drier climate in CA, and before it got to its current location, it =
stayed for some time(I think the owner mentioned over a year) in =
storage.=20

  What measurements can I take to determine if it is indeed swollen =
brackets?  After checking a few sample notes, I've come to the =
conclusion that the piano can be regulated, but I want to be sure it =
isn't something more egregious before I spend many hours on the piano.=20

  Any input would be helpful!  Thanks in advance.=20

  Dave Stahl 
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