How to Scavenge FREON?

[gatesj at mailblocks.com (John Gates)]

I might be wrong, it almost looks like those vacuum pumps might be able 
to discharge into a tank?  And the little one on that site is just 
single stage but stated as capable of 25 microns of vacuum, pretty 
cheap at $150...

John Gates
--
'97 Jetta GLX
'85 Scirocco

-----Original Message-----
From: John Gates <gatesj@mailblocks.com>
To: bayareaberk@yahoo.com; scirocco-l@scirocco.org
Sent: Thu, 06 Oct 2005 05:41:31 -0700
Subject: Re: How to Scavenge FREON?

The problem is how are you going to get it back out of the propane 
tanks? If you draw a vacuum on the system and then hook up the propane 
tank it will put some of it in there. You'd have to wire across the 
pressure switch to get the compressor to kick on and pull more out of 
the tank on the suction side but there will still be some in the 
tank...

Those vacuum pumps do in fact vent to the atmosphere as far as I know. 
Here is the cheapest, best I've found:

http://www.ackits.com/index.cfm?fuseaction=economy

You really need a vane type two stage pump to pull enough of a vacuum 
so that things aren't contaminated...

Maybe you'd have enough from two cars.

John Gates
--
'97 Jetta GLX
'85 Scirocco

-----Original Message-----
From: T Berk <bayareaberk@yahoo.com>
To: scirocco-l@scirocco.org
Sent: Wed, 5 Oct 2005 19:48:51 -0700 (PDT)
Subject: Re: How to Scavenge FREON?


--- Chuck Blue <sukchew@cox-internet.com> wrote:

> Make sure the propane tanks are drawn into a good
> Vacuum.Hook it up to the
> ac system.It should remove all that is practial to
> remove.Repeat this
> process on the second vehicle with a second propane
> tank.

I thought to use Two Tanks per vehicle seeing as how
the 1st would equalize and the second would be drawing
from the depleted system but still TO a vacuum.

Thx,
TBerk



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