AC receiver/dryer to evaporator connection. Stuck!

[Konstantin Bogach]

Heat helped! If you do it - be careful, mask everything around with
aluminum foil and thicker aluminum for ducting.

Thanks everyone.

Konstantin.

Konstantin Bogach wrote:

> Hi.
> I had to perform lobotomy on receiver/dryer to remove it cause I could
> not undo the brass nut (not actually a nut but I don't know proper term
> in English.  I would call it threaded insert. ).  So, I removed
> receiver/dryer cutting off it top and separating threaded aluminum
> flange from the body of receiver.  This flage then came off easily from
> the brass nut.  But I can not rotate that brass thing on the copper
> pipe.  It corroded well.
> What can I do to release   this brass thing on the pipe?  Pipe is soft
> and I am afraid to do something silly.
>
> Thank you.
> Konstantin.