EV 6 - Check Rollover/Vent Valve Function

^ Check the rollover/vent valve for evidence of leakage.

^ Remove the rollover/vent valve.

Rollover Vent Valve:

^ Connect Rotunda Vacuum/Pressure Tester 059-00008 or equivalent, to the rollover/vent valve as shown for Test 1.

^ Blow into port A and hold the valve vertically. verify the valve opens at 7.0 kPa (1.0 psi) maximum.

^ Connect the tester as shown for Test 2.

^ Blow into port B and verify the valve opens at 4.9 kPa (0.7 psi) maximum.

^ Hold the valve upside down.

^ Blow into port A and verify that pressure is held.

^ Does the valve function properly?

YES -- Go to EV8. EV 8 - Check Vapor Separator Integrity

NO -- Replace the rollover/vent valve.