How To Properly Maintain An Air Compressor. Properly maintaining an air compressor can be the difference between life and death honestly. When the rust breaks the outer shell down enough you can create a significant weakness decade eventually turn your air compressor into a major issue. Father steps in this video don't be like me and maintain and drain your air compressor. #thatdetailshop #thatdtailguy | Thatdtailguy Auto Detailer