[pianotech] Retrofitting a Steinway w/adjustable back action

Ron Nossaman rnossaman at cox.net
Thu Apr 30 16:48:31 PDT 2009


Al Guecia/AlliedPianoCraft wrote:
> Hi List,
>  
> There was a discussion and some photos on this list about retrofitting a 
> back action with adjustable let-off or capstan type adjustment screws. I 
> am rebuilding a Steinway and would like to try it. Any photos showing 
> the finished shelf and lifters, would be greatly appreciated.
>  
> Al

Hi Al,
Here's what I've been using, until I find something better. 
They're 10-24 hex head machine screws, 1/2" long. The problem 
I found was getting something with a thin enough head, so I 
bought the recessed head screws and turned the raised edge off 
on a lathe. Inelegant, but it works.
Ron N
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