Major work on uprights ... was re: pin block drill press

Farrell mfarrel2 at tampabay.rr.com
Fri Dec 15 20:12:57 MST 2006


----- Original Message ----- 
> I attended a North East Regional Seminar in 92 or 93 in New Hampshire where 
> a technician showed the class how to replace the pin field area without 
> having to replace the entire pin block. He routered out the pin area to the 
> thickness of the new stock (plus a little more for glue) and epoxied the new 
> piece in place, did some surface cleaning  and replaced the plate ready to 
> drill. His example was an old upright with plenty of plank to support the 
> new piece. I did not save the notes or the class hand-out (and I've never 
> tried this myself) but it seemed like a good way to repin without ripping 
> out the whole pin block out.
> 
> David C.
> Las Vegas, NV

Indeed it can be a good method when the old block is still well-bonded to the piano frame. I did the procedure just as you describe to the 1912 M&H upright in the picture below. I wanted to preserve the original plate screw holes - so the replacement pieces are kinda squirrelly looking. But everything went well and tuning this piano is a dream.

Terry Farrell

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