Refrigerant Type: 134a
Country of Origin: Italy
Just general precautions for reviving the A/C that hasn't been working in years on my newly purchased used farm tractor. This weekend I completed a flush of the system. Everything seemed pretty clean except a lot of oil came out of the evaporator. Also in the evaporator, which came out in the first flush was a lot of white chalky powder that reminded me of drywall dust. It clung to my fingers and dried almost instantly. I flushed a few more times and never saw it again.
Could this be a sealer?
Thanks for all of your help, you guys are great!!
I don't think so. Was the system open for a while?
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