My vacuum pump, (soon to be formal vacuum pump), abruptly shut off
while I was pulling a strong vacuum. The vacuum it created self
sucked some vacuum pump oil into the refrigerant hoses that were
connected to it.
I blew out the hoses with compressed air and then had the vacuum pump
suck on them for awhile to pull out any residual oil.
Is there anything else I can do to clean the inside of my hoses???
(IPA or mineral spirit flush??)
I won't take a chance using these hoses for R-410A systems but will a
very minor amount of vacuum pump oil be compatable with mineral oil in
The vacuum pump basically wont pull residual oil out of your hoses.
Blow them out.
A minor amount in the hoses wont hurt.
You can always get a new set of hoses if you'd like OR try
Number one you vacuum pump can not vacuum out vacuum oil
the only solution is purge it with liquid refrigerant preferable R-11
you don't have it R-134, 12, 114, 22 Etc.
if you got any oil into refrigeration system you got problem!
Yes I said that and don't gave me your innocence you and
many other HVAC guys you can see them on top of roofs
blowing refrigerant and then charging customer for it.
And Mr. Loblaw: No I would not be draining motor oil
in to catch basin but I am sure you are talking out of
experience I think that sound s about right isn't
I am sure you meant to say Rx-11; Dupont added an x in the name, making it
ozone friendly. If you buy the right stuff and believe (yes, believing is
necessary), then it is OK to use the Rx-11.
You did, right? And don't leave any spilled anti-freeze in your driveway for
the critters to drink. Ooh.:-((( A lady in Florida killed two guys with
anti freeze cocktails.
So, while you're sitting outside in your truck, you can see hvac guys on
top of roofs, blowing the charge????... Then you see them go inside and you
HEAR THEM charge the customer for lost refrigerant???
What you're REALLY telling us is that YOU do this, and you suspect others
of doing it as well, so we shouldn't judge you too harshly, because you're
not the only one doing it.
Don't try to drag down the rest of us by putting us in the same category as
YOU are a special breed of stupid!
You have right to say what ever you wish
however my friend you can snow job some people
once a while but not all the time
I do not work on roofs, I do not carry ladder's
but I do read news from time to time
have nice day looser hahaheeeee
Dido say that
You're wrong Dido. For one, I dont have any R-11 or R-12. That was a
few years ago. Now I spend the $200 for that Calgon Rx-11 kit and use
it. The price sucks but what the hell,...........the customer pays for
I also dont blow refrigerant. I couldnt afford the fine. It would ruin
me. Unfortunately, I have to play the game and use recovery machines.
Make no mistake though, If I catch you or someone blowing refrigerant,
I would turn you in. I have a camera phone on me and a digital camera
in my truck that takes movies with a 2GB card in it. If I have to play
by those stupid rules (and I do think they are stupid) then everyone
Here's what I did. I took a syringe and injected each hose with 99%
IPA. I gave them each a triple flush until the flushed out IPA came
out clear vs. yellowish. Then I hooked them up to my compressor and
blasted them out with 40 PSI compressed air.
I suspect at this point they're cleaner then when they came from the
factory. I just hope the IPA didn't damage the inner hose material.
I wasn't in the mood to get a $10k fine from the EPA by flushing them
with refrigerant. I'm not sure they'd call it a "De Minimus" release.
Apparhently.....is that a canadian word?
IMO.....I'd much rather read ANYTHING by a guy in the trade than a
fly-by-night hack homeowner who first wants to know how to bend 1-1/8
copper, then wants to know how to set up a low flow on his Nitrogen
reg, and then fucks up pulling a vacuum. I suppose you're going to
tell this ho shithead how to charge with superheat & subcooling, after
he establishes airflow and TESP, right?
OBTW- I run Castrol GTX 5W-30 in ALL my vac pumps.
On Mon, 15 Jan 2007 02:35:56 GMT, firstname.lastname@example.org wrote:
Ignore the above prick!! You're fine using IPA to flush your hoses.
It sounds like you're conscientious about your setup.
Some think that HVAC is some deep dark secret. The sooner we get best
known methods and practices out there the better the profession will
If it was so easy and so simple, then wouldn't *everybody* be doing it for a
Its not about HVAC being "secret", its all about the training, education,
experience, and just plain common sense. Being qualified on something
sharper than a crayon helps too.
Apparently you don't read the news papers much
such as HVAC and RSES magazine
and as for me if everybody all AC guys take precautions
as much as I do EPA would be out of business
and since you like criticize my spelling how about you
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