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How to recharge with recovery/recycling tank without charging station?

spinne1 on Sat July 18, 2009 2:33 PM User is offlineView users profile

Year: 1995
Make: Chevrolet
Model: Suburban
Engine Size: 5.7L
Refrigerant Type: r134a
Country of Origin: United States

Hello, I just bought a Robinair 34400 recovery/recycling machine off ebay (r134a machine from 1995.) I have cleaned it, changed the filter and sucked the air out with my vacuum pump. I've calibrated the scale and have now used it to recover and recycle refrigerant out of two of my vehicles (one is going to the junk yard and one needs a new compressor.) I also bought a digital scale off ebay for charging refrigerant.

My question is, how do I use the recycled refrigerant tank to charge one of my vehicles? Which port is to be used? Do I attach the yellow hose from my manifold gauges to the blue port? The red port? The yellow? Do I keep the tank attached to the recycling station or remove it entirely from all three hoses? (If I remove the yellow hose will air not be introduced and/or refrigerant leak out?)

Thanks for some guidance.

PS I also have a new container of 30lb Dupont Suva (a lifetime supply I imagine,) but I'd rather reuse my other first.

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1995 Chevrolet Suburban

1987 Olds Delta 88

1992 Buick Lesabre (x2)

daman on Sun July 19, 2009 10:48 AM User is offlineView users profile

I could be wrong but do these units charge? i thought they only reclaimed?

i too thought about buying one of these are they good units easy to use one better then the next??????

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'00 Pontiac Sunfire 2200 I4 SFI
'99 Chevy 4x4 Z-71 5.7 Vortec v8 CPFI
'97 Chevy 4x4 6.5 Turbo Diesel 2500
'95 Pontiac Grand Am GT 3100 v6 SFI
'88 Chevrolet Camaro IROC 5.7 TPI(49,000 original miles)

GM Tech on Sun July 19, 2009 12:18 PM User is offline

An ACR3 recovery/recycle/recharge machine is what charges-- yours only recovers and recycles-- so take your recycled tank off the machine when filled- and put it on your scale and charge out of the yellow hose to your gage set-- pretty easy.....but easiers with an AC2000 like I have---or the ACR4 works good too...

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The number one A/C diagnostic tool there is- is to know how much refrigerant is in the system- this can only be done by recovering and weighing the refrigerant!!
Just a thought.... 65% of A/C failures in my 3200 car diagnostic database (GM vehicles) are due to loss of refrigerant due to a leak......

SpinRite on Sun July 19, 2009 3:50 PM User is offline

When you recover refrigerant from a car's system, does the machine eliminate moisture and air from the refrigerant somehow, so that it is clean and dry when you put it back into the car?

daman on Sun July 19, 2009 8:14 PM User is offlineView users profile

Quote
Originally posted by: SpinRite
When you recover refrigerant from a car's system, does the machine eliminate moisture and air from the refrigerant somehow, so that it is clean and dry when you put it back into the car?

10-4


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'00 Pontiac Sunfire 2200 I4 SFI
'99 Chevy 4x4 Z-71 5.7 Vortec v8 CPFI
'97 Chevy 4x4 6.5 Turbo Diesel 2500
'95 Pontiac Grand Am GT 3100 v6 SFI
'88 Chevrolet Camaro IROC 5.7 TPI(49,000 original miles)

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