Not all oil is created equal. Use actual penetrating oil. WD40 is great, but
don't use it to free nuts. After you spray, tap it with a hammer. If you can
do this off on on for a day it would be better. (Don't have to actually hit
the
set screw)
If you use a torch you would ruin the bearing. (Heating the screw would loosen
it.)
I f you want to try to drill it out there are reverse drills that may catch and
back the screw out, if you want to save the bearing.
What is the cost of the bearing and what is your time worth?
Mike
AD6AA
----- Original Message ----
From: Bill NY9H <ny9h@arrl.net>
To: towertalk@contesting.com
Sent: Wed, September 1, 2010 6:13:23 PM
Subject: Re: [TowerTalk] best way to free a thrust bearing set pin ( allen nut )
moving my tower gave me a chance to change the 2800 mast clamp to
the one from XLC.
It does not use the mast centering "pyramid" so i need to shift the
thrust bearing, so the mast sits on the 2800 plate... otherwise it
would be hanging on the unbolts on the mast clamp....
trying to let some fine oil loosen it up tonight,,,,
any great ideas how to convince that little 3/16 i think allen nut to
loosen up ????
and if it does not , do i have to drill it out ,....????tnx
bill /3
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