Short SS A Renner back action

Mike Spalding mike.spalding1 at verizon.net
Mon Oct 13 05:48:58 MDT 2008


Gene,

Trim the back of the tray, not the front.  You're absolutely right about 
the regulation issues.  You say the original was trimmed in front - were 
the levers also shorter at that end?  BTW, what was it about the 
surprise that made it  pleasant?

Mike

Gene Nelson wrote:
> Hello list,
> Installing a new Renner back action kit in a 1909 SS A 6'1" and was 
> pleasantly surprised that the belly rail is not parallel to the key 
> ends or action frame.
> It appears that the options are to either plane off the back side of 
> the new tray or trim the tray at the opposite end where the lift 
> levers rest.
> The original tray was trimmed under the lift levers so it was wider at 
> the bass than the treble.
> As the Renner kit is made of pin block type material it is probably 
> not an issue to remove 8 to 10mm of stock from the back of the tray 
> without weakening it so this appears to be the option of choice.
> Trimming the tray under the lift levers at the opposite end would seem 
> to make regulation difficult.
> Curious what any of you do when you encounter this sort of thing.
> Thanks,
> Gene


More information about the Pianotech mailing list

This PTG archive page provided courtesy of Moy Piano Service, LLC