Some compressors need a couple drops of oil into the air intake now and
again, to keep the piston seal. I had a small 12 volt compressor that
plugged into the lighter. That was in the instructions. Thirty years ago,
when people planned on keeping things around.
Does the compressor have a crankcase and oil? If so, it may be low oil. Or
dirty old oil that ought to be replaced. Use non detergent 30 weight in most
Christopher A. Young
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