The reason channeling air compressor oil
Inspiratory obstruction or poor air intake filtration
Return oil is blocked
Air compressor cylinder liner and piston and piston ring wear out or oil ring is reversed, stuck and lubricant
Air compressor cooling is not complete
Dirty is not often discharged from the gas tank
Air compressor running time is too long
Engine crankcase pressure is too high
Engine oil pressure is too high
The lubricant has deteriorated.
Air compressor is defective
