damper mechanism squeaks....argh!

[Greg Newell]

Dave,
         Check for hairline breaks on the brackets that hold the 
damper lift rods within the action itself. Sometimes those thingees 
don't look broken but really are.

Greg Newell




At 11:47 PM 12/21/2006, piannaman at aol.com wrote:
>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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