Backcheck noise

Marcel Carey mcpiano at videotron.ca
Thu Aug 3 20:28:23 MDT 2006


Could the backcheck be loose? It doesn't take much. I've seen a few that
had that problem and a drop of CA glue cured the click.

Marcel Carey, RPT
Sherbrooke, QC

> -----Message d'origine-----
> De : pianotech-bounces at ptg.org 
> [mailto:pianotech-bounces at ptg.org] De la part de David Love
> Envoyé : 3 août 2006 22:08
> À : 'Pianotech List'
> Objet : RE: Backcheck noise
> 
> 
> Been through that already.  There was some clicking that was 
> resolved by repining and changing some of the flanges.  This 
> is something different. The noise definitely disappears when 
> you push the backcheck backward so that it doesn't engage the 
> hammer tail.  It's not an impact noise but a noise which 
> follows very closely behind.
> 
> David Love
> davidlovepianos at comcast.net 
> www.davidlovepianos.com
> 
> -----Original Message-----
> From: pianotech-bounces at ptg.org 
> [mailto:pianotech-bounces at ptg.org] On Behalf > Of A440A at aol.com
> 
> Sent: Thursday, August 03, 2006 6:49 PM
> To: pianotech at ptg.org
> Subject: Re: Backcheck noise
> 
> Hmm,  well, these new Steinways are equipped with the 
> perma-free thinking in
> 
> their hammer flanges.  Maybe you could repin a couple of 
> these shanks to have 
> maybe 3 grams of resistance in them and see if that lowers 
> the noise. I would 
> throw in the balancier pinning as something to check, too.  
> 
> Ed Foote RPT 
> http://www.uk-piano.org/edfoote/index.html
> www.uk-piano.org/edfoote/well_tempered_piano.html
>  
> 
> 
> 





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