T-45A UJPT, E2-C2, ADV, & IUT Eng-05
Fuel System
B.
Fuel delivery
Overlay 1
1.
Normal operations
a.
Function: provides fuel to GTS and
engine fuel system
b.
Operational description
(1) With refueling access door
FUEL DELIVERY
closed--
(a) Refueling switch held in
FLIGHT position (163600
through 163646)
(b) Refueling panel RESET
button depressed (163647
through 163712)
(2) Internal tanks
(a) Fuel level in fuselage tank
falls as fuel is drawn from
negative-g compartment
(b) Pressurized air aids gravity in
fuel transfer to wing tank
(c) Wing tank feeds collector
tank, collector tank feeds
negative-g compartment
(d) Fuel from negative-g
compartment supplies GTS
and engine
(3) Check valves prevent reverse flow
Overlay 2
during aircraft maneuvers
Check Valves
(8-03) Original
Page 5-11
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