single spoon or backcheck wire installation

[gordon stelter]

Maybe the wippens for the bass and treble were
switched ??? The spoons go in opposite directions,
sometimes.
     Thump

--- Dave Nereson <davner@kaosol.net> wrote:
> 
> ----- Original Message ----- 
> From: "Joseph Garrett" <joegarrett@earthlink.net>
> To: <pianotech@ptg.org>
> Sent: Tuesday, July 06, 2004 11:15 AM
> Subject: Re: single spoon or backcheck wire
> installation
> 
> 
> > Dave Nereson said: " How do y'all usually install
> just one new backcheck
> > wire or spoon?  I've
> > done it before but it's been awhile, and if
> there's an easier, better way,
> I
> > couldn't think of it last night."
> >
> > David,
> > You got started in the right direction, but then
> you took a hard left
> > turn!<G> My preferred way is to grip the spoon or
> backcheck wire with vise
> > grips and THEN use my hammer extracting tool to
> extract the part. Most
> > usually, the part comes out cleanly and you can
> install a new one.
> Sometimes
> > the hole is a bit over-size, so a dab of epoxy or
> CA is used. K?
> > Best Regards,
> > Joe Garrett, RPT, (Oregon)
> > Captain, Tool Police
> > Squares Are I
> 
>     No, see, the spoons were wrongly installed on
> the wrong side of the
> wippen, crossing over the flange screw.  Any wippen
> flange I tried to
> unscrew was hell because the spoon wouldn't clear
> the screwdriver.  I tried
> bending the spoon out of the way and the wippen
> split.  Then I realized I
> should have held it with the parallel pliers while
> bending.  The spoonless
> wippens in the high treble, however, had holes
> drilled on the correct side
> of the wippen.  I don't know why.  So I switched the
> wippen that broke where
> the spoon enters the wood with a "good" one from the
> high treble.  Getting
> the spoon out was no problem -- in fact, it was
> already out because it broke
> off of the wippen with a little piece of wood.  The
> wippen was still usable
> in the high treble where there are no dampers.  But
> I had to now install the
> spoon into the wippen with the (pre-drilled) hole on
> the correct side.
>     This is in the home.  No vise on the workbench. 
> This is an old piano.
> If you just drive a spoon into the hole, the wippen
> will split.  Well, I
> figured it out -- carry a small C-clamp or
> machinist's clamp to clamp the
> wippen tail on either side so it can't split.
>     But backchecks that break their threaded portion
> of the wire in the
> wippen are different.  You don't try to extract that
> part.  You leave it in
> and drill a new hole.  Then -- same problem as with
> the spoon.  Ya gotta
> clamp it somewhere, or to something, so it's
> supported on both sides and
> can't split.  I guess you have to find someplace you
> can clamp it, or carry
> a spare block of hardwood, or use your voicing
> block, and carry a small
> clamp.  Then you need a surface you can pound
> against while you drive the
> new backcheck wire in -- with ViseGrips, I guess --
> is that how it's done,
> or is there another way I don't know about?  (No
> drill press or arbor press
> out in the car).  I guess the keyslip can be removed
> so the keybed can be
> used as a "bench", or remove a few keys and use the
> hardwood front rail, or
> the top of the pinblock if it's not nicely finished.
>     I ended up doing it after much pondering and
> on-the-spot creativity -- 
> but just wondered what everyone else did.  --David
> Nereson
> 
> 
> 
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