Keyslips making keys stick

paul bruesch paul at bruesch.net
Fri Jun 20 13:31:14 MDT 2008


Thank you all for the responses.  But Joe, I'm having a hard time
visualizing your suggestion, as well as understanding how it wouldn't goof
up other reg adjustments that the cheek block maintains. Sketch? Photo? (vs
1000 words!)
Thanks!
Paul Bruesch
Stillwater, MN

On Fri, Jun 20, 2008 at 9:03 AM, Joe And Penny Goss <imatunr at srvinet.com>
wrote:

>  Hi Paul,
> A small screw placed at the bottom of the inside corner of a cheek block,
> will cant the front and outside of the block,
> so that the block will push the key slip out away from the keys. Advantage
> is that it also keeps the block firmly against the outside arm and is fairly
> quickly adjustable.
> Joe Goss RPT
> Mother Goose Tools
> imatunr at srvinet.com
> www.mothergoosetools.com
>
> ----- Original Message -----
> *From:* Paul McCloud <pmc033 at earthlink.net>
> *To:* Pianotech List <pianotech at ptg.org>
> *Sent:* Thursday, June 19, 2008 11:16 PM
> *Subject:* RE: Keyslips making keys stick
>
>  Hi, Paul:
> I've seen a lot of this kind of binding with the keyslip.  Especially in
> said brand.  I used to move the keyframe backward (yeah, I know.  The
> optimum strike point is lost).  At least the piano would play again.  What
> really needed to be done was to plug and redrill the dowel pins in the cheek
> blocks and move the blocks forward a few mm's.  Sometimes I put felt strips
> on the front of the cheek blocks to shim out the keyslip.  Usually, on the
> newer grands, the cheek block has a notch which engages the keyslip and
> holds it.  I've tried shimming up the bottom rear edge of the keyslip, but
> that does nothing.  I've sometimes also added a small screw to the front of
> the cheek block, which can be used to adjust the keyslip without shims.  I
> also sometimes sand the ends of the keyslip so it will fit without binding
> on the inside of the arms.
>  Not a huge deal but annoying and time consuming to remedy.  Welcome to the
> club.
>     Paul McCloud, RPT
>     San Diego
>
>  Paul McCloud
> Service Technician for PianoSD.com
> www.pianoservsd.com
> Created with free BlueVoda software:
> http://www.vodahost.com/partner/idevaffiliate.php?id=9223_1_3_9
>
>
>
>
> ----- Original Message -----
> *From:* paul bruesch <paul at bruesch.net>
> *To: *Pianotech List <pianotech at ptg.org>
> *Sent:* 06/19/2008 10:06:57 PM
> *Subject:* Keyslips making keys stick
>
> I've noticed a number of keyslips that bow (crown?) and/or tilt towards the
> key fronts, thus causing keys to stick down when played.
>
> Today I visited a YC TG150 baby with this problem.  I had pulled the action
> in it just over a month ago and all was well when I left that day. Today, I
> could hardly get the keyslip out (or back in), the ends were binding so
> tightly against the sides... much, MUCH harder than last month.
>
> I've shimmed a couple of these out now with front rail felts which results
> in a nice even gap, but I curious why I'm seeing so many of these lately. At
> least 50% are on pianos that I either have not seen or at least not removed
> the keyslip in the past. The one I did two days ago had a folded up business
> card (current owner's mom's tuner's card from 20 years ago) already in
> there.
>
> I've only been tuning for about 3-1/2 years, and I see more pianos these
> days, but the incidence seems to be picking up not! iceably. Is this such a
> common problem in general? I'm thinking that today's was possibly caused by
> increased humidity, except I believe there was a thread recently that
> mentioned that expansion isn't really an issue along the grain... and come
> to think of it, I don't believe that this keyslip is "wood" anyhow.
>
> Thoughts?
> Paul Bruesch
> Stillwater, MN
>
>
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