[CAUT] Renner back action

[A440A at aol.com]

Jeff writes:

<< Any reason not to use the back action from Steinway?  They CLAIM it is a 2 

hour job, and that there shouldn't be any re-engineering. <snip>. But it is 
SUPPOSED to be made to fit as a direct replacement with a simple side to side 
adjustment. >>

Greetings, 
       The factory replacement back actions will usually fit okay on a late 
model piano, however, on older ones you will often find that the "simple" side 
to side adjustment will require not only adding a spacer to the bass pivot 
block,(up to 1/2"), moving the treble block, and redrilling, and usually quite a 
few of the underlevers that will need to to be spaced and traveled. Tending to 
loose leads and poor pinning often complete the chores.  All of this was on 
one that I installed last week, and the end-pins were installed crooked, too.  
   There is also a dimensional change on the depth of the tray, with the 
older ones being a little deeper.  It is faster than assembling the kits from 
Renner and Tokiwa, but then again, there is a huge difference in the price, so a 
tech might be passing up some $100 per hour work that they can do in their own 
shop if they choose to use factory stuff. 
  Regards,    

Ed Foote RPT 
http://www.uk-piano.org/edfoote/index.html
www.uk-piano.org/edfoote/well_tempered_piano.html
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