... Pump, water tank.8,20Mpa pressure automatic stop switch9,Charging connector and hose10,Power cord11,Vent valve12,Control cabin for electric ... to the auto direction, and open the vent valve.5,Test the pressure, high pressure vent (at the quick layup) is installed with ... -flowing, the voice is normal, and close the vent valve, the pressure will rise, the machine will be automatically stopped after ...