Check the length of the damper spoon -? If the spoon is too short, it might hang up against the damper lever felt, causing intermittent sticking.?? I've seen this on a few Sejung pianos, never on a Kawai, but you never know.??? Bob.
-----Original Message-----
From: David Ilvedson <ilvey at sbcglobal.net>
To: pianotuner at embarqmail.com; pianotech at ptg.org
Sent: Mon, 4 Feb 2008 1:03 pm
Subject: RE: Damnper
I would pull action and turn action on side.?? Lubricate damper lever felt (spoon/felt contact points) with protek.?
David Ilvedson, RPT
Pacifica, CA 94044
Original message
From: "Alan Barnard"
?
To: pianotech at ptg.org
Received: 2/1/2008 1:23:46 PM
Subject: Damnper
Nice little Kawai CE-7 in like-new condition, all clean and well regulated. Customer complains of a key (G2) that sticks.
1. It does, occasionally, stick but only if you hold down the sustain pedal and then play the note.
2. The key releases/resets when you lift the sustain pedal.
3. It is NOT the keystick or rail bushings. You can remove the keystick and still make it fail just lifting the whippen--but only if the sustain pedal is down. So ...
4. It is not a capstan height issue, either.
5. Examined the damper felt and the spoon, they are like new. Flanges seem plenty mobile.
6. The damper, itself, does not seem to?interfere with its neighbors; nor does it lift any earlier or later.
Actually, she would hardly have noticed it, since it only sticks when you theoretically want the note sounding, anyway; but she?overuses the sustain mightily. (Chord change? What chord change?)
Any ideas would be appreciated?
Alan Barnard
Stumped in Salem, MO
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