Refueling Control Valve: Testing and Inspection
REFUELING CONTROL VALVE1. Remove fuel filler cap.
2. Check air continuity between hose ends A and B.
Blow air into the hose end B. Air should flow freely into the fuel tank.
3. Blow air into hose end A and check there is no leakage.
4. Apply pressure to both hose ends A and B [20 kPa (150 mmHg, 5.91 inHg)] using a pressure pump and a suitable 3-way connector. Check that there is no leakage.