Don't Know Jacks

[Kevin E. Ramsey]

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You forgot one,,,,,,,,  Hammer checking too far back..
  ----- Original Message -----=20
  From: J Patrick Draine=20
  To: doepkeb@comcast.net ; Pianotech=20
  Sent: Thursday, February 27, 2003 6:46 AM
  Subject: Re: Don't Know Jacks


  Well, Off the top of my head:
  (1) Tight jack flange pinning.
  (2) Tight wippen flange pinning.
  (3) No (or insufficient) lost motion (ie capstan cranked too high).
  (4) Lousy (fuzzy) buckskin substitute necessitating extra lost motion.
  (5) Weak or broken jack spring.
  (6) Glue joint between jack flange & wippen broken & jack wanders side =

  to side & up & down.
  (7) Jack flange pin loose & has wandered out, with pin rubbing against =

  neighboring jack flanges.

  Well, that's a start isn't it?

  Patrick Draine
    On Thursday, February 27, 2003, at 08:30  AM, Brian Doepke wrote:

  > What are the top 5 reasons why a jack won't return under the hammer=20
  > butt
  > in an upright action?
  >
  > =3Dstill a novice=3D
  >
  > Brian Doepke
  > doepkeb@comcast.net
  >
  > _______________________________________________
  > pianotech list info: https://www.moypiano.com/resources/#archives
  >

  _______________________________________________
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