Warped Action Parts

Farrell mfarrel2@tampabay.rr.com
Tue, 26 Jun 2001 21:25:51 -0400


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What is an "action standard"? I have now shimmed the action bracket =
feet. Is that what you are referring to? End blocks all tight. Entire =
front edge of keyframe mates perfectly to keybed. What do you mean =
regarding checking the wippen rail for level - are you asking is it =
warped? Yup, it is warped a little bit, much like the hammer rail. =
Thanks for your input/interest.

Terry Farrell =20
  ----- Original Message -----=20
  From: Warren Fisher=20
  To: pianotech@ptg.org=20
  Sent: Tuesday, June 26, 2001 8:59 PM
  Subject: Re: Warped Action Parts


  Terry, You may have to figure out which action standard is causing the =
problem and shim it. When you leveled in the piano did you put the end =
blocks in and screw them down?  Did you check the whippen rail for =
level?=20
  Farrell wrote:=20

    "The first thing you need to do is level the key frame on the =
keybed. Then=20
    proceed from there: level keys, set dip, install stack and regulate. =
" That was the whole problem here. I did level the key frame on the =
keybed. I did level keys (I even did a few with the frame in the keybed =
to see if it changed anything - it didn't). But when I install the stack =
to regulate, all of a sudden the key leveling is way out of whack! My =
stack is bending the rear of the keybed upward in the middle. I am in =
the midst of making appropriate shims so that stack installation does =
not stress the flatness of the keyframe, and installing additional rear =
keyframe hold-downs to work against the warped keyframe. "Nothing a new =
piano wouldn't solve!" Terry Farrell =20
      ----- Original Message -----
      From: Wimblees@AOL.COM
      To: pianotech@ptg.org
      Sent: Tuesday, June 26, 2001 6:24 PM
      Subject: Re: Warped Action Parts
       Terry=20
      Earlier there was a discussion of bench regulation. However, there =
is a time=20
      and place for that. it appears that your situation calls for a =
complete in=20
      piano regulation.=20

      The first thing you need to do is level the key frame on the =
keybed. Then=20
      proceed from there: level keys, set dip, install stack and =
regulate.=20

      Willem

  --=20
  Warren Fisher RPT=20
  fish@Communique.net=20
  1422 Briarwood Dr.=20
  Slidell, LA 70458-3102=20
   =20


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