Figure 16: Fuel system circuit

B A C D B A C D Fuel pressure cross feed valve open Fuel tank X-feed valve Fuel press X-feed valve RTS relay Fuel selector switch Norm Close Open Close Open LTS relay FCF relay FCF Caution warning lights in cockpit Fuel tank cross feed valve open X-feed Relay PCO Drawing shown without electrical power to bus All relays spring loaded to position shown Relay PCC BUS 24 VDC Relay TCC Pump X-feed open Pump X-feed closed Tank X-feed open Tank X-feed closed Relay TCO RH tank LH tank 1 3 2 5 5 6 7 8 9 10 11 12 13 17 18 19 20 14 15 16 5 5 4