Fuel Hose Clamp: Testing and Inspection

FUEL TANK FILLER TUBE ASSEMBLY CHECK
1. Connect a clean rubber hose to port A of the fuel tank filler tube assembly.
2. Use a screwdriver or similar tool to push the flapper in order to close the valve and then blow air into the hose. Check that the air does not flow out of port B.
3. Use a screwdriver or similar tool to push the portion A shown in the illustration in order to open the valve, and then blow air into the hose. Check that the air flows out of the port B.