[pianotech] Problem-solving client

David Boyce David at piano.plus.com
Tue May 29 12:30:33 MDT 2012


Today I visited a customer who has a 1911 German (Schiller) upright. It 
was refurbished about 40 years ago, but the action parts are brittle. A 
hammer was wobbling around, and it turned out that the hammer butt had 
split at the butt plate screw.  Actually it was an old glue repair that 
had given way.  I had no spare hammer butts with me.

Attempts to repair it with CA glue were proving problematical as 
tightening the butt plate screw was forcing the join apart.  I asked the 
customer, a technically minded guy, if he might have a little washer 
that I could put under the butt plate screw head so that it would not 
penetrate so far, but would still grip because of CA glue partly filling 
the hole.

The customer measured the butt plate screw head and shaft diameters, 
went off, and came back with a beautiful little 2 millimeter high 
countersunk washer which he had just turned and drilled from aluminum 
rod!  It made a perfect little collar and the idea worked. Unfortunately 
my cellphone camera wouldnt work so I couldn't get a photo.

Best regards,

David.
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