thumb protection when re-pinning

Joe And Penny Goss imatunr@srvinet.com
Fri, 2 Apr 2004 08:59:22 -0700


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Dave, Those ends need to be blunted so that the reamer can go through =
the center of the felt better.
Joe Goss
imatunr@srvinet.com
www.mothergoosetools.com
  ----- Original Message -----=20
  From: Piannaman@aol.com=20
  To: pianotech@ptg.org=20
  Sent: Friday, April 02, 2004 8:45 AM
  Subject: Re: thumb protection when re-pinning


  Dave,=20

  I find a flat, smooth hard surface, such as the side of my pinning =
tool.  I lay it on the keybed(or something else flat and close by) and =
gently push the pin up into the birdseye.  Feeling the amount of =
pressure you have to apply to the piece to get the pin through(or not) =
can tell you how good the fit is.   I always push directly over the pin =
to avoid any kind of unsupported stress on the part.  I occasionally get =
a pin jabbing in the end of my thumb, but not often.=20

  I also use the Mannino broaches.  They are one of the best tools I've =
purchased based on money spent vs. money earned.  The ends are REALLY =
sharp.  DAMHIK.=20

  Dave Stahl=20

  In a message dated 4/2/04 4:21:48 AM Pacific Standard Time, =
jrpiano@win.eastlink.ca writes:=20




    I use the Mannino broaches themselves to determine the fit in the =
birdseye.=20
    They have handles and the size marked on them.=20
    Regards,=20
    John M. Ross=20
    Windsor, Nova Scotia, Canada=20
    jrpiano@win.eastlink.ca=20
    ----- Original Message -----=20
    From: "Dave Nereson" <davner@kaosol.net>=20
    To: <pianotech@ptg.org>=20
    Sent: Friday, April 02, 2004 3:56 AM=20
    Subject: thumb protection when re-pinning=20


    >     When re-pinning more than, say, twenty action parts, my right =
thumb=20
    > really gets poked, cut, and chewed-up from repeatedly trying the =
pin in=20
    the=20
    > birdseye of each part being re-pinned to see if it's tight enough, =
then=20
    > pushing it into both bushings on the flange, individually, to see =
if they=20
    > need reaming, burnishing, or re-bushing, then after reaming, =
trying the=20
    pin=20
    > in the bushings again, maybe making another touch-up operation, =
then=20
    trying=20
    > the pin in the bushings again, then pushing the pin through one =
bushing=20
    into=20
    > the birdseye, and, finally, using the plunger-type re-pinning tool =
only=20
    for=20
    > the final push through the birdseye.  That's just one flange.  =
After a=20
    > couple dozen, my thumb is raw meat, as though I took a rasp to it. =

    >     I've tried using a thimble, but you have to keep taking it off =
to try=20
    > the pin in the bushing or to pick up a fine tool like a tiny =
reamer,=20
    > tweezers, or center-pin, then put it back on to push the pin =
through.  And=20
    > with it on, you don't have the sensitivity or control for trying =
the fit=20
    of=20
    > the pin in the bushing.  Nor do you with pliers.  Maybe some =
custom-made=20
    > leather "thumb boot" through which a center-pin will NOT poke =
would work,=20
    > but it would probably wear through quickly.  I need a bionic =
thumb!=20
    >     Gang replacement is different, where you have all new flanges =
and you=20
    > can chuck a roughened center pin in a drill and use that for the =
reamer,=20
    > then just push all the same size pins through with the pinning =
tool.  But=20
    > that's not the case with most actions I work on.=20
    >     --David Nereson, RPT=20




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