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Old 04-15-2003, 06:57 AM
Posts: n/a
I would highly recommend, for your own personal safety and the health of your a/c system, that you do some reading. You REALLY need to understand the fundamentals of refrigeration before doing this. You also need a manifold gauge set which is very inexpensive for R12 systems, about $30.

A good source for reading is the MACS manual that can be had from

Good luck,
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