Dans son message précédent, John Ferrell a écrit :
On Tue, 22 Sep 2009 13:26:58 +0200, tk5ep wrote:

Hi All,

A bit trivial but very common problem...
I got a free 203BA i had to remove from a tower. It has been there for
years.
All parts are OK except that i can't dismantle some elements. Certain
tube junctions are corroded despite some tape protection, and the
elements are like soldered.

Is there a safe way to remove the aluminium oxide so i can disassemble
the elements for transportation ?

I've been told that letting petroleum seep between the elements would
help. But that can take days or ... weeks...

I'm sure, you all had this problem one day and that someone found a
"good" solution.

Thanks for any comments,
73, Patrick TK5EP

I like to use a source of heat like a propane torch to loosen up the
joints. You will need gloves as well, the aluminum conducts heat very
fast...

Hi John,

Thanks for your suggestion.
I'm surprised to receive so few answers to a problem that seemed very
trivial to me...
You can get dozens of answers for a patent problem but only one to a
daily problem that every ham has encountered at least once in his life
.... ^^

Thanks and 73,
Patrick