Henry Miller-reprise

[David Love]

I tried using the original holes a couple of times but since have started
filling them and redrilling.  Fill them with an epoxy/wood flour type
mixture.  That allows you to mark the new hole exactly centered using a
centering punch using the plate as a guide.  Using Ron's jig or a drill with
a bubble (bull's eye type) you can get things very close without having to
enlarge any holes.  Filling the old holes and redrilling gets a much better
fit for the socket screws and it's not necessary to tap (in fact with epoxy
fillers I wouldn't recommend it).  Just drill the holes 1/16" smaller than
the socket screws and let them cut their own threads.   

 

David Love
davidlovepianos at comcast.net
www.davidlovepianos.com 

-----Original Message-----
From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf
Of erwinspiano at aol.com
Sent: Sunday, June 08, 2008 9:23 PM
To: pianotech at ptg.org
Subject: Re: Henry Miller-reprise

 

 



  Yeah,  I did enlarge the plate holes slightly and this helped... but I
mean ....17 of these buggers?  Most have 12 or 13. I can see that It will be
necessary to drill & plug some holes on many grands.  Just observe how many
plate holes on Steinways are hogged out to get the original bolts in.

  Dale Erwin
 www.Erwinspiano.com

Getting the alignment right can be a bit tricky especially if the bolts
don't go in exactly vertical.  Using a drill that has a centering bubble
gauge built in is helpful.  You can also always remove a bit of material
from the plate holes with a round file.  

 

David Love
 <mailto:davidlovepianos at comcast.net> davidlovepianos at comcast.net
 <http://www.davidlovepianos.com/> www.davidlovepianos.com 

 

. With 17 threaded studs sticking up it was important that they be closely
aligned with the plate holes. I had to stand on the plate & jump up & down
on it to get it to drop in. 

 

 Dale

 


  

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