action supports

[Paul McCloud]

Hi, Richard:
    It affects a LOT of things.  We had the identical problem.  We had to regulate the whole thing over again.  All the damper heads needed realignment, the capstan/lost motion, wippen spoons, on and on.  It's also questionable whether the action ratio is the same because of the new height of the capstan.  I suggest lowering the action support studs a little bit to remove the action, and raising them again to their original positions after replacing the action .  Some of the studs can be accessed below the keybed on certain models.  Other models have flats to adjust with a spanner wrench from above.  Good luck!

Paul McCloud
Service Technician for PianoSD.com
www.pianoservsd.com 
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----- Original Message ----- 
From: 
To: pianotech at ptg.org
Sent: 02/14/2008 5:51:02 AM 
Subject: action supports


So list,
What effect does changing the height of action support bolts have on regulation. Going higher and going lower.
Thanks,
RU/UP
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