repinned parts

[Barbara Richmond]

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Thanks, Dave.

Well...actually, they're Renner parts--for a grand.  I would like to =
donate the work, I just don't want to get called back--if you know what =
I mean.

Yes, as you can see by the picture, I am short.  I can, however, stretch =
up to an old upright if I want to.  It isn't always easy to peer into =
nine-foot grand pianos while regulating either.  ;-)


Barbara Richmond, RPT

PS  And I know I'm knock kneed, too.  My sister (God Bless her soul), =
was bow-legged.  My father said when we stood together we spelled the =
word OH (or HO).=20

  ----- Original Message -----=20
  From: Dave Davis=20
  To: Pianotech=20
  Sent: Wednesday, October 20, 2004 7:11 PM
  Subject: Repinned parts


  Hi Barb,

  I've worked on three Samick and one Young Chang action with seized =
action centers this past year. The Samicks had a black yuck in the =
bushing cloth and the Young Chang pins were scratched, probably from =
being pinned too tight. Both manufacturers recommended shrinking the =
bushing cloth with 50/50 alcohol and water, then heat it up with a heat =
gun, exercise the joint, and "voila!" they magically loosen up. They =
also recommended lubing with Protek while the parts are still warm.

  At this point, let your conscience be your guide. At a minimum, the =
hammer shanks/flanges will need repinning, and you may find a few =
wippens or jacks that don't loosen up quite enough. When I repinned =
these, I tended to favor the loose side of 5-7 swings. The felt is as =
firm as it ever will be, and if the nasties reappear, lowering the =
friction will increase repair longevity. On the Samicks, I had to pull =
the Damper tray and treat the underlevers. On the Young Chang, I didn't.

  You didn't say the piano is a grand...I'm thinking you aren't tall =
enough to work on uprights, are you?

  Dave Davis



  Hi all,

  So, what's the scoop on these various parts that have seized up =
(graphite or whatever causing it) and then have been repinned.  Will =
they tighten up again? =20

  I'd like to donate some work to a worthy cause and would like to =
"recycle" repinned & slightly modified parts (the only way I can afford =
to donate the job). =20

  Thanks,

  Barbara Richmond, RPT
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