I use fine wet and dry paper with kerosene or wd40 as a lubricant. It cleans
the aluminum up nicely without scratching. This technique works to remove
old gasket material from the mating surfaces of engines too by the way.
Mark N1UK
----- Original Message -----
From: "Mike & Becca Krzystyniak" <k9mk@flash.net>
To: "'Towertalk Reflector'" <towertalk@contesting.com>
Sent: Sunday, 30 May, 2010 1:52 PM
Subject: [TowerTalk] Question on how to resurface boom tubing that wasscored
by debris...
> I picked up a used beam yesterday with a HD 3" boom in two 12's lenghts.
> There was a coupler piece about 4' long that extended equally into the
> 12's
> sections.
>
> During dissassembly there was some grit, maybe some oxidation, and bird
> stuff that bound up the tubes as we trid to take them apart. Liberal
> application of silicone sprays, WD-40 and a heck of a lot of muscle did
> get
> them apart, but not without some scoring of the coupler tubing. I'm
> assuming the inside of the boom sections also have similar damage.
>
> I need to find a way to clean these up so they can be rejoined and get
> the antenna back together. I'm thinking I need to file off the burs and
> maybe a fine grit light sanding to get rid of any surface irregularities.
> Are there other methods, approaches, or accepted practices that will be
> more
> effective that my plan "A"?
>
> Thanks in advance for your thoughts and suggestions.
>
> 73's
>
> Mike K9MK
>
>
>
>
>
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