T-45C TS, ADV & IUT ENG-07
Aircraft Fuel System
NOTE: The flap-type check valves prevent
reverse fuel flow within the negative-g tank.
Boost pumps, provide positive fuel flow to
the engine during negative-g and inverted
flight maneuvers.
C.
Venting
Overlay 2
Venting
1.
Normal operations
a.
Function
(1) Releases air/vapor to atmosphere through
pressure relief and bleed valves
(2) Maintains full collector tank until all internal
fuel is used
b.
Operational description: outward venting
(1) Collector tank
(a) Two lines, one from collector tank and
one from negative-g compartment,
vent air or vapor to vent tank
(b) Condensed fuel returns to collector
tank from vent tank
(2) Integral wing tank
(a) Two vent lines connect to and
terminate in upper part of fuselage
tank
(b) Two smaller lines vent outboard ends
of tanks through two small reservoirs in
lower part of fuselage tank
(3) Fuselage tank
(a) Vented to atmosphere through dual-
setting pressure relief valve and an
electrically operated bleed valve
Original (9-98)
Page 7-11
Previous Page
