Pan screws in Steinway rails

[Erwinspiano at aol.com]

Happy Labor day
  I find our shop replacing  parts routinely on many Teflon era Steinway 
pianos. No matter  what hammer shanks & flanges we use the pan screws seem to teak 
the new  flanges fore, aft, sideways etc. This creates all kinds of  
traveling ,fun...etc.
    All new known parts  suppliers have a flange that is substantially 
thinner then the old  gi-normously thick flanges. One danger is the screw 
penetrating the  bottom of the brass rail & splitting it out.,.. I've seen this more 
than  once. Yes a washer helps to avoid this. 
  My fix at this point is to replace  the pan heads with a Renner/German 
style screw.  The problem is  this. On some, because the rails have a very coarse 
thread already cut into  them by the pan heads, the New screws often will 
start to strip under modest  torque.  Ughhh!
     If any of you have  a better option I'd love to hear it. 
   On the next one I thought I'd  try a few drops of thin CA in the old holes 
before inserting the new screw just  to re-enforce the existing wood/threads 
already cut. The c.a. I think would be  best if it dried first.
  Any brains storms?
  Dale  

Dale  Erwin--Piano Restorations
4721 Parker rd
Modesto, Ca. 95357
Shop  209-577-8397
Web site _http://www.Erwinspiano.com_ (http://www.erwinspiano.com/)  
Restoration & Sales of
Steinway & Sons & other  fine pianos.
" Soundboards by  Design"





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