TM 1-1520-238-T-7 10–34 10–7. SYSTEM DESCRIPTION (cont) 10–7 CHECK VALVES FUEL/DEFUEL CHECK VALVE VALVE SHUTOFF FUEL PUSH TO DRAIN CONTROL VALVE PILOT FUEL QTY XMTR TO APU AND ENGINE 2 AFT FUEL CELL DRAIN OVBD AIR OUT OUT IN BOOST PUMP BREAKAWAY VALVE DRAIN OVBD VALVE BREAKAWAY CELL NIU FROM AFT FUEL GRAVITY FILLER PORT CAP CONTROL FORWARD FUEL CELL PUSH TO DRAIN PILOT VALVE BAFFLE NIU BREAKAWAY VALVES GRAVITY FILLER PORT CAP ENGINE/APU FEED BREAKAWAY VALVE 4-WAY CHECK VALVE SUMP DRAIN VALVE PILOT VALVE TUBE REFUEL/DEFUEL/TRANSFER BREAKAWAY VALVE AIR VENT/ PRESSURE RELIEF VALVE FWD FUEL QTY XMTR FUEL SHUTOFF VALVE SUMP DRAIN VALVE FUEL INLET BREAKAWAY VALVE TO ENGINE 1 FUEL OUTLET BREAKAWAY VALVE FUEL/DEFUEL CHECK VALVE AFT FUEL QTY XMTR PILOT VALVE TUBE VENT TUBE M70-292 4-WAY CHECK VALVE AIR VENT/ PRESSURE RELIEF VALVE Figure 10–12. Fuel Storage System