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Old 03-02-2007, 10:58 PM
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a/c

If you lunched a former comp something you should know;you MUST REPLACE CON. ON134A SYSTEMS.They have a con.design that holds junk,flushing won't get it.Been working ona/c all my working days.seen 134a con. cause comp to fail. As for presures keep low side above 15-20There is an adjust screw on many cycle switchs,look between spades.It don't matter what make of switch you have.two types r-12&134a won't mix, differen't threads.Some acul. have both.Whats air temp? that will change readings .So,pull orfice ,see if it dirty.Go from there.hope this helps
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