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As cheap as an accumulator/drier is, change it. It will have mineral oil in it, which is the bane of R134a, and needs to have ester oil in to lube your compressor. Change the orifice tube also, it has a little screen on it that is usually partially plugged after years of use.
Get your R12 Certification and go buy some R12 and recharge your system! Becoming a R12 Certified Tech is easy and inexpensive. Commercial A/C systems all still use R12.
Quote from: ehjorten on July 17, 2020, 04:34:34 PMGet your R12 Certification and go buy some R12 and recharge your system! Becoming a R12 Certified Tech is easy and inexpensive. Commercial A/C systems all still use R12.That's R22, and it's being phased-out in favor of RS44b. Other than finding someone with a cache of R12, it's pretty much done.
Interesting...hasn't been available in Arizona in over a decade. I get shops calling me for it at least once/week. (I do wholesale parts, air-conditioning is a huge deal in AZ).https://en.wikipedia.org/wiki/Dichlorodifluoromethane