damper mechanism squeaks....argh!

[Wayne Walker]

I would re-check all of the damper springs. Also make sure the lift rod is
well lube.
 
Wayne Walker
Piano Tuner / Technician
Musicstop Acoustic Piano Service
264 Herring Cove Road
Halifax, NS, Canada
B3P 1M1
902-221-1540
902-496-6924 Fax
HYPERLINK "http://www.musicstop.com/"www.musicstop.com

-----Original Message-----
From: piannaman at aol.com [mailto:piannaman at aol.com] 
Sent: Friday, December 22, 2006 12:47 AM
To: pianotech at ptg.org
Subject: Re: damper mechanism squeaks....argh!


I didn't mention that I could get the mechanism to squeak...with the action
outside of the piano.  It is definitely something in the action itself.  
 
I am convinced that whatever felt is on the damper levers is getting too
much friction from the damper lift rod.  I will try the McLube suggestion
from Paul McCloud.  
 
It isn't case parts, of that I am sure.  Everything else has been lubricated
and/or tightened.
 
Dave Stahl

Dave Stahl Piano Service
650-224-3560
dstahlpiano at sbcglobal.net
http://dstahlpiano.net/




 
 
-----Original Message-----
From: pianotech at a440piano.net
To: pianotech at ptg.org
Sent: Thu, 21 Dec 2006 12:00 PM
Subject: Re: damper mechanism squeaks....argh!


Dave,
 
If this piano has a pedal prop bolt that connects the trap lever to the
pedal itself, check where the bolt runs through the pedal.  I have
encountered squeaky groans at that interface, when the bolt rubs on the
sides of the hole in the pedal.  My remedy is to remove the pedal, enlarge
the hole slightly, and bush it with leather.
 
Best,
William R. Monroe
 
 


 Hi All,
 
I thought I could solve any damper pedal mechanism squeak, and up until
recently, I've had pretty good luck.  Then I met a recent model Hallet-Davis
(Dongbei built, I believe) upright.  
 
I lubricated and tightened everything I could think of. 
 
Dave Stahl


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