Pan screws in Steinway rails

[Kerry]

It seems to me that I solved this problem one time with shorter screws.
McFeeley's (see URL below) has pan head screws in 1/8" length increments,
and I'm sure there are many other places to buy them. 

 

http://www.mcfeelys.com/find-a-fastener.aspx?gclid=CM6L19_jqY4CFQYjWAod_0f-Y
g

 

Kerry

 

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From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of Erwinspiano at aol.com
Sent: Monday, September 03, 2007 9:33 PM
To: pianotech at ptg.org
Subject: Pan screws in Steinway rails

 

  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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