"Bruce Dornfeld, RPT" <bdor...@earthlink.net>: Feb 27 09:53AM -0800
We all know let off screws can get too tight in the rail. On a S&S grand I
recently serviced, many were way too tight. I tried using a soldering
iron, but it did noting perceptible.
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Joe Garrett <joega...@earthlink.net>: Feb 27 10:06AM -0800
Bruce,
The soldering iron thang anneals the metal screw stem. ie it softens it and makes it more prone to breaking off. Not the method I'd use as a first effort. Tapping on the let off screw, top
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William Monroe <bi...@a440piano.net>: Feb 27 12:10PM -0600
Hi Bruce,
The screw extractor will cut brass, moving slowly and ensuring the bit
stays on a straight path of travel, lest it break.
25W Soldering Iron is plenty. If the screw gets hot, that's all
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Joe Garrett <joega...@earthlink.net>: Feb 27 11:18AM -0800
Hmmm? That would require a really small plug cutter. The smallest I've seen is 3/8" which is way too big for the existing rail imo. Just saying.<G>
Best,
Joe
-----Original Message-----
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Joe Garrett <joega...@earthlink.net>: Feb 27 11:31AM -0800
Just did a search on plug cutters. I did find a few sets with 1/4" plug cutter. Probably would do the trick if the screw extractor matched to the same size.
Best,
Joe
-----Original
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Les Koltvedt <lkpi...@gmail.com>: Feb 27 02:40PM -0500
Metal workers use spot weld cutters...
Les Koltvedt
LKPIANOS.COM
734-657-7034
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"Bruce Dornfeld, RPT" <bdor...@earthlink.net>: Feb 27 02:53PM -0800
I neglected to say that the Stew Mac set comes with a plug cutter. It is
to cut 3/16" plugs. It works well and the plug it cut fit well after using
the extractor. I just did some test on scrap
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"Bruce Dornfeld, RPT" <bdor...@earthlink.net>: Feb 27 02:57PM -0800
Another question, would you use a good penetrating oil on tight let off
screws? Certainly the stuff would stay in the wood, but is that bad?
On Saturday, February 27, 2021 at 4:53:45 PM UTC-6
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Joe Garrett <joega...@earthlink.net>: Feb 27 03:01PM -0800
Please explain. That doesn't make sense with my post.
Joe
-----Original Message-----
From: Les Koltvedt
Sent: Feb 27, 2021 11:40 AM
To: pian...@googlegroups.com
Subject: Re:
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Joe Garrett <joega...@earthlink.net>: Feb 27 03:07PM -0800
Bruce,
Hmmm? You have me wondering why you requested a method for this repair, if you have already done so. Not sure where the "Stew Mac" thing comes in. Suspect I need to do another search.<G>
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"Bruce Dornfeld, RPT" <bdor...@earthlink.net>: Feb 27 03:33PM -0800
Hi Joe. I just did a test with some scrap. I did not try cutting through
brass with it and just because I think I found a way to repair it doesn't
mean it is the best way. I figure this happens
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Joe Garrett <joega...@earthlink.net>: Feb 27 03:51PM -0800
Bruce,
My experience is that oil, (whatever kind), makes wood "spongy". Also, "penetrating oils" have a nasty habit of traveling to places I don't want them! I prefer dry lubes for such.
Best,
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