[pianotech] was curve now glide

David Love davidlovepianos at comcast.net
Fri Oct 15 07:44:58 MDT 2010


Not to be a contrarian but I bed keyframes with everything together.  The
technique I use was presented by Steinway's John Patton at one of the
conventions.   Can be done in a couple of minutes or less on a Steinway.
Pianos that have glides that are buried underneath the keys require at least
the removal of the covering keys naturally.  The process is simple and
requires you to just back off the glides enough to be sure that none are
touching the keybed which you can test be pressing down on the glide bolt
with a wrench (or a screw driver if it's a screw type) using the back of
your hand against the pinblock as leverage.  You will be able to see the
keys flex downward when there is a space there.  When they all produce a bit
of flex then start in the center and turn each bolt down until there is no
flex, backing it off just slightly in order to produce that telltale knock
and then just setting the bolt down to eliminate the knock/flex.  Go
alternately outward until all are bedded.  Then go back to the center and
make sure you haven't "unbedded" the center glides by turning the outer
bolts down too far.  If you have then start over.  It requires a bit of
touch and sensitivity but it can be done quickly and accurately with some
practice.  

 

David Love

www.davidlovepianos.com

 

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