WHAT IS THE CORRECT DIRECTION FOR MY AIR COMPRESSOR TO ROTATE?
For the Reciprocating compressor whether the ML-Series (Master-Line) or the CA-Series (Challenge-Air) the correct rotation is counter-clockwise facing the flywheel. The Large Industrial models with an oil pump are bi-directional. The oil pump will produce oil pressure in either direction. For the Rotary Screw compressors there are arrow decals on the belt guard and also directional arrows cast in the air housings by the male rotor shaft.