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RE: [TCML] Re: Tar
Hello Tony,
If the transformer is nearly full, I can't see this being a problem. Try
collapsing a full barrel of oil. Some kind of oil trap could be fashioned I
would think. I am not suggesting using a neon vacuum pump. A cheap pump is a
handy thing to have about. A small vacuum should do the job. If a compressor
is about, it shouldn't be hard to make a suitable venturi.
Harbor Freight 92475-0VGA 16.99 air conditioner venturi. Better yet a break
bleeder hand pump 92474-0VGA $19.95 - 30 inch of mercury or 760 mm HG.
Jim Mora
-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
Of Sfxneon@xxxxxxx
Sent: Thursday, January 22, 2009 12:39 PM
To: tesla@xxxxxxxxxx
Subject: Re: [TCML] Re: Tar
If the transformer can did happen to collapse, it would fill the whole
pumping system with oil, a VERY bad thing! If you want to use a vacuum pump,
maybe
a refrigeration vacuum pump could be rented for a day or two.
Tony
In a message dated 1/22/2009 12:45:29 P.M. Central Standard Time,
Russell.L.Thornton@xxxxxxxx writes:
Good point Tony. I wan't thinking of the contamination aspect.
Russell
Message: 6
Date: Thu, 22 Jan 2009 09:27:19 EST
From: Sfxneon@xxxxxxx
Subject: Re: [TCML] Re: Tar
To: tesla@xxxxxxxxxx
Message-ID: <cac.489f12ab.36a9dc47@xxxxxxx>
Content-Type: text/plain; charset="US-ASCII"
Bob,
If you pull a vacuum in the transformer can, be sure it is strong enough
to
withstand the difference in pressure. Atmospheric pressure will crush even
a
round steel 55 gallon drum if a vacuum is created inside. There is a ton
(literally) of pressure on each square foot with only 14 PSI pressure
difference,
so be careful you don't implode the transformer can.
I also seriously doubt that any sign shop would try to evacuate a
transformer can with their pumping system. That's not what it was designed
to do. I
wouldn't want to risk contamination of my pumping system with oil vapor or
the
possibility of sucking oil into the manifold.
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