so, back on topic :ylsmoke:
I just got this email from ARB :victory:
Hi Jim,
your compressor arrived today and we had a chance to tear it down after running some tests on it. What we found was quite unusual, a very poor contact pattern on one of the brushes. We suspect the brush spring on that side of the brush plate may be weak eventually leading to poor contact at the commutator and very poor motor performance. It's unusual enough that we plan to ship the suspect components to our engineering department in Australia in the near future for further evaluation.
For the moment, however, I'm going to have a new compressor shipped your direction as we're deeming this one a warranty situation. If you have any questions please let me know.
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I call this truly amazing service!