Kawai keyframe levelling

[bruce greig]

Thanks, Joe, I gather you're referring to the same type as the center rail
but with screwdriver slot instead of tuning lever type.  I recall seeing
front rail glides built into the key bed instead of keyframe, which can be
adjusted directly with a prong-type device instead of going all the way
through the frame or keybed.  Actually, this is similar to the extra ones on
the Kawai center rail which can only be seen and adjusted from the
underside.
Haven't seen these in any catalog; wonder if Kawai is still using them.
I'll give them a try.
Bruce



----- Original Message -----
From: "Joseph Garrett" <joegarrett@earthlink.net>
To: <pianotech@ptg.org>
Sent: Tuesday, June 10, 2003 12:59 PM
Subject: Kawai keyframe levelling


> Bruce,
> I would definately add "glides" for the front rail. You'll need a
"Fortsner"
> bit to drill the "inset". You could use a "Spade" bit, to get the "inset"
> started, but they are a bit brutal to the wood. Try drilling with the
> "Spade" bit, just enough to give the "Forstner" something to guide on.
> Switch to the "Fortsner", to get to the proper depth. Then, (centering on
> the "dimple" left by the "Fortsner"), use a regular drill to drill for the
> threaded stem. It's a good idea to do a test on a scrap piece of wood, to
> make sure the stem hole will be the correct tightness, etc. I would
"equal"
> the glides, as there are in the center rail, so that they are in line,
> (approximately), with each other. In other words, if the balance rail has
6
> glides, then the front should have 6. It'll take a bit more time to get
that
> system to "balance", but in the future, you'll have it (un-)knocked. <G>I
> must say the "thumb tack" trick is quite ingenious!<G>
> Best Regards,
> Joe Garrett, RPT, (Oregon)
>
> Been There, Didn't Like It, So I'm Here To Stay! [G}
>
> _______________________________________________
> pianotech list info: https://www.moypiano.com/resources/#archives
>