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home charging station

TucsonVTXF on Fri June 20, 2008 1:07 PM User is offline

Refrigerant Type: R134A
Country of Origin: United States

Hello from tucson
I have a robinair air vac and manifold set and would like to set up my own charging station to get more accurate charges.
I have seen charging scales that will automatically stop at the desired amount.
is there any information IE schematics to set a system using a vacuum, manifold set, automatic scale and a recovery tank is possible. I guess i would have to upgrade to a 110 motor driven vacuum for this idea to work........

Chick on Fri June 20, 2008 7:38 PM User is offlineView users profile

Machines are nice, have one myself collecting dust. I use my gages, a 30lb tank and this scale for charging it's accurate, and I can go outside rather than wait for a bay to open up.. But to each his own. I don't have the room to roll the machine out all the time, use a smaller recovery system also portable... Just my two cents..

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Chick
Email: Chick

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Freedoms just another word for nothing left to lose

TucsonVTXF on Fri June 20, 2008 8:46 PM User is offline

what kind of recovery mechine do you like/use??? any way to use a vacume pump to vacume and put into a storage tank??

Chick on Fri June 20, 2008 10:01 PM User is offlineView users profile

I have a snap on recovery machine, but use one very similar to this one, but it's not mastercool, I can't think of the name offhand. It's from the early 90's and still works great.. The idea of a recovery machine is that it draws the vapor out, slowly, (vacuum) runs it Thru a small condenser, and turns the vapor into liquid which goes into the tank. . You really can't do that with just a vacuum pump, and you'd be putting air into the tank (raising the pressure)

That is a rough explanation of the recovery machine, I'm sure someone can explain it better than me though...

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Chick
Email: Chick

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Freedoms just another word for nothing left to lose

2000_civic on Sun June 22, 2008 3:55 AM User is offline

Quote
Originally posted by: Chick
Machines are nice, have one myself collecting dust. I use my gages, a 30lb tank and this scale for charging it's accurate, and I can go outside rather than wait for a bay to open up.. But to each his own. I don't have the room to roll the machine out all the time, use a smaller recovery system also portable... Just my two cents..

Can you use that scale with the small cans, or only the 30lb guys?

Chick on Sun June 22, 2008 5:46 AM User is offlineView users profile

you can, but working with small cans are tough to begin with when trying to weigh them. sometimes the hose itself changes the weight. They are that sensitive.. You can put anything on that scale, zero it out and it weights down to .xx


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Chick
Email: Chick

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Freedoms just another word for nothing left to lose

bbarry on Sun June 22, 2008 12:07 PM User is offline

: but use one very similar to this one, but it's not mastercool


Would that be a Promax Amprobe unit Chick, that's what i am using and looks similar.

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