T-45A UJPT, E2-C2, ADV, & IUT Eng-05
Fuel System
NOTE: The flap-type check valves
prevent reverse fuel flow within the
negative-g tank. The boost pump
provides a positive fuel flow to the
engine during negative-g and
inverted flight maneuvers.
C.
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
Overlay 3
Collector Tank Venting
venting
(1) Collector tank
(a) Two lines, one from collector
tank and one from negative-g
compartment, vent air or
vapor to vent tank
Overlay 4
Integral Wing Tank Venting
(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
(8-03) Original
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