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Re: [TowerTalk] Control and coax cable removal question

To: "towertalk@contesting.com" <towertalk@contesting.com>
Subject: Re: [TowerTalk] Control and coax cable removal question
From: Grant Saviers <grants2@pacbell.net>
Date: Wed, 14 Oct 2020 12:29:13 -0700
List-post: <mailto:towertalk@contesting.com>
Try brake cleaner spray, maybe two different brands if needed.

Grant KZ1W

On 10/14/2020 11:19, Al Kozakiewicz wrote:
Why remove them?

Al
AB2ZY

-----Original Message-----
From: TowerTalk [mailto:towertalk-bounces@contesting.com] On Behalf Of 
bemeier@bellsouth.net
Sent: Wednesday, October 14, 2020 2:15 PM
To: towertalk@contesting.com
Subject: [TowerTalk] Control and coax cable removal question

In the process of reducing my tower / antenna farm there are now several
control and coax cables that I would like to remove.  The problem here is
they are fed from the outside of the house to the inside through a PVC
conduit which I sealed with spray foam.  (Was a great idea at the time.  No
critters, no hot/cold air, etc. for 14 years.)  However, I can't get the
cables out because the foam is holding them firm.  In addition to the
outside / inside conduit, I also have one between the crawl space and a
closet used to route the cables to the ham shack.   The length of each of
these foam dams is roughly 6".

I have tried a long screwdriver and got some out.  I also tried different
diameter crochet hooks but they did virtually nothing.  I don't have any
other mechanical ideas that won't damage the insulation.

Does anyone know some type of a solvent (or other method) that would
dissolve the foam without hurting the insulation on the control / coax
cables?

Thanks and 73,

Bruce N1LN

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