EV 7 - Check Rollover/Vent Valve Function
Rollover/Vent Valve.:
EV7 CHECK ROLLOVER/VENT VALVE FUNCTION
^ Check the rollover/vent valve for evidence of leakage.
^ Remove the rollover/vent valve.
^ Hold the valve as shown in Figure.
^ Blow into port A and verify that air flows through the rollover/vent valve.
^ Invert the valve.
^ Blow into port A and verify that air does not flow through the rollover/vent valve.
^ Does the valve function properly?
YES -- Go to EV 8. EV 8 - Check Vapor Separator Integrity
NO -- Replace the rollover/vent valve.