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I found this site for upright pinblock repair. I know my situation isn't anywhere near this bad, but I fear it could get worse. Does this seem like a feasible, reasonable approach? I don't much like the idea of inserting the bolts from the<span style="font-style: italic;"> back</span> to the front, with big bolts and nuts showing in the tuning pin area. <br><br>http://www.balaams-ass.com/piano/50-pnblk.htm<br><br>Terry Peterson<br><br><blockquote><hr>Date: Sat, 27 Oct 2007 23:44:28 -0300<br>From: jrpiano@win.eastlink.ca<br>Subject: Re: Upright pinblock question<br>To: pianotech@ptg.org<br><br>
<div><strong><font face="Arial" size="3">See if you can close the gap with
clamps.</font></strong></div>
<div><strong><font face="Arial" size="3">If you can, then it needs bolts through to
the back for stability.</font></strong></div>
<div><strong><font face="Arial" size="3">If you can't close the gap, then you would
probably be ok with epoxy.</font></strong></div>
<div>John M. Ross<br>Windsor, Nova Scotia, Canada<br><a href="mailto:jrpiano@win.eastlink.ca">jrpiano@win.eastlink.ca</a></div>
<blockquote style="border-left: 2px solid rgb(0, 0, 0); padding-right: 0px; padding-left: 5px; margin-left: 5px; margin-right: 0px;">
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;">----- Original Message ----- </div>
<div style="background: rgb(228, 228, 228) none repeat scroll 0% 50%; -moz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -moz-background-inline-policy: -moz-initial; font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"><b>From:</b>
<a title="pianolover88@hotmail.com" href="mailto:pianolover88@hotmail.com">pianolover 88</a> </div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"><b>To:</b> <a title="pianotech@ptg.org" href="mailto:PIANOTECH@PTG.ORG">PIANOTECH@PTG.ORG</a> </div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"><b>Sent:</b> Saturday, October 27, 2007 11:07
PM</div>
<div style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adjust: none; font-stretch: normal;"><b>Subject:</b> Upright pinblock question</div>
<div><br></div>Recently acquired an amazingly well preserved Kohler &
Campbell art case console made in 1969. To look at it, you would think that it
could have been made yesterday! It has <span style="text-decoration: underline;">never</span> been played, thus the hammers
are unmarked after almost 40 years! Even the wooden wedge was still screwed in
securing the big panel (some call it the kick panel?) above the pedals!
<br><br>Anyway, the pitch was (not surprisingly) grossly flat--close to 140
cents at A4! I checked all the plate bolts and they were 90% snug, needing
maybe 1/8 turn to totally snug them back down. The tuning pins were found to
be all uniformly tight, and responded beautifully to minute, incremental
adjustments. The pitch came right up to A440 after the first pass, and after
letting it settle for a while I gave it its first tuning in nearly <span style="text-decoration: underline;">four</span> decades. <br><br>I followed
that with two more fine tunings to make it as solid as possible for the time
being. Ok, now to get to the main reason for my post; There is, what appears
to be a separation, not really a crack but a perfectly clean separation at
least 2-3' <span style="font-style: italic;">behind</span> the pinblock
laminations, that runs the entire width of the pinblock. <br><br>As I stated
the pins are uniformly tight, the laminations sound, and the plate bolts
tight. Also, I wanted to know the depth of the separation, which ranges from
maybe 1/2-1 millimeter wide at the very most, so I used a very thin piece of
steel and found that it was only about 1/4'-1/2' deep. Should this flaw be
cause for concern, or is it likely not going to affect the stability? The
tuning seems to be holding, but then I just finished it maybe an hour ago
so... <br><br>Would it maybe help to 'fill' this crevice with thin west
systems epoxy, until it fills the area, then just let it dry and move on, or
would that just be a waste of time and epoxy? Or maybe Gap filling CA? Of
course, it would take quite a of CA to fill a 56' long, 1/2' deep cevice!
Thoughts and advice would be appreciated! <br><br>PS: See the
pics.<br><br>Terry Peterson<br>
<hr>
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