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Old 07-03-2002, 12:41 PM
Mike Richards Mike Richards is offline
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Join Date: Dec 2001
Posts: 565
The problem with scavenged R-12 is that it contains oil and who knows what else...moisture; other impurities. There are ways of cleaning it up, but that's usually done by someone buying the stuff and not the appliance guy who's merely sucked it out of the frig/freezer.

In this situation, it's tough to know how much oil to run in your compressor because the juice you're about to add already has some. Too much oil is bad news for the compressor and bad news for the passenger(s)...insufficient cooling.
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