Overfill Limiter (Two-Way Valve)

Overfill Limiter (Two Way Valve):

LOCATION
Mounted in-line on the vapor line at the forward end of the fuel tank.

CONSTRUCTION
The overfill limiter consists of a pressure valve and a vacuum valve.

OPERATION
The pressure valve is designed to open when the fuel tank internal pressure has increased over normal pressure and the vacuum valve opens when a vacuum has been produced in the tank.