2. Air compressor power up (round red switch up pull up, gas switch valve toggle to
ventilation, 8MM gas pipe into the oil-water separator air inlet pipe) to determine the
success of the pressure gauge start (regular monthly processing oil-water separator in
the water put away, long time not clean up to increase the cylinder work resistance to
damage)
3. Air switch up toggle is in the open state
4. Power on the operation console
    "