[pianotech] wippen trouble

[Gerald Groot]

First, remove all of the old glue from the wippen and jack.  Next, glue the
jack into place making sure that it seated FIRMLY into the slot and in line
with the back check.  The middle of the back check is a pretty good area to
use for judging this alignment.  But, the jack has to be set down firmly
into the slot too.  

 

Next, let it dry very good before you put it back or you will knock it out
again fooling around with things in there.  Then, trip the jack and tighten
down the wippen flange screw. 

Holding the wippen up in the front will keep the jack from slipping back
below.  Even if it does, so what?  You can still tighten the wippen screw.  

 

Also, make sure the damper spoon is underneath the damper not behind it
before you tighten up the flange.  Then, trip the jack again and put on the
bridal strap.  If it still falls below the hammer butt felt, then gently
bend the bridal wire towards you a little bit.  It may have gotten shoved
backward somehow.  If the bridal wire is to far back toward the action, it
will allow the jack to flop down to far blocking in place.  Sounds like this
may be what is happening here?

 

Jer

 

 

 

From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Marshall Gisondi
Sent: Thursday, January 28, 2010 2:06 PM
To: pianotech at ptg.org
Subject: [pianotech] wippen trouble

 

Hi Matt & Joe,
Thaks for the ideas.  The trouble also is the wippen when it's loose will
allow the jack to lift the hammer butt when I lift the wippen from
underneeth.  When the wippen is finally tight, it won't budge.  Now I have
to go back and remove the wippens again becuase the jack post came unglued
again.  This is turning into a nightmare.  
Marshall

Marshall Gisondi Piano Technician
Marshall's Piano Service
pianotune05 at hotmail.com
215-510-9400
Graduate of The School of Piano Technology for the Blind
www.pianotuningschool.org <http://www.pianotuningschool.org/>  Vancouver, WA







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