[pianotech] Fw: Creaky damper lift tray

[paul bruesch]

Are you certain that it's the tray? Have you tried holding the dampers up on
the sostenuto tabs, then putting pressure on the tray with your hand?

I think of one very frustrating Asian-built Falcone that had creaking
dampers like that. It turned out (in this case) to be the guide rail
bushings. I Protek'd them and eliminated the symptom. If it recurs, I'll
Flitz the damper wires.  I probably should have done to begin with, eh? But
it was before I saw that really slick idea in a recent Journal of using
scrap hammer felt.

Paul Bruesch
Stillwater, MN

On Tue, May 18, 2010 at 5:18 PM, Barb Nobbe
<barbara at pitchperfectpianos.com>wrote:

> I should also add, when I lift the dampers off of the tray by their
> sostenuto tabs, and raise/lower the tray alone, it does not creak.  It
> creaks only with the weight of the dampers resting on it...but, it's not the
> underlever flanges that are creaking...or, so I presume when I check them
> individually.
>
> I have even tefloned the felt of the lift tray for where the underlevers
> contact it, and still creaks. Ugh. :-)
>
>
> Barbara Nobbe, RPT
> Pitch Perfect
> 859-489-4793
> barbara at pitchperfectpianos.com
>
> -----Original Message-----
> From: "Barb Nobbe" <barbara at pitchperfectpianos.com>
> Date: Tue, 18 May 2010 21:59:51
> To: PTG<pianotech at ptg.org>
> Subject: Creaky damper lift tray
>
> Hello list,
>
> This is something I've run across a few times and just haven't found an
> easy, dependable solution.
>
> I have found on certain Asian grand pianos with the aluminium damper lift
> tray, the tray will creak at just the slightest lift. Of course, it's really
> amplified when the pedal is used to its full extent.  I've tried a variety
> of lubes and sprays to get way back there, but nothing I found really works.
>
> Has anyone else come across this, and if so, what was your cure for this
> noisy nuisance?
>
> Thanks in advance,
>
> Barbara Nobbe, RPT
> Pitch Perfect
> 859-489-4793
> barbara at pitchperfectpianos.com
>
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