T-45A UJPT, E2-C2, ADV, & IUT Eng-05
Fuel System
c.
Operational description: inward venting
Overlay 6
Inward Venting
(1) An inward venting (ram air) line
protrudes through right side of
fuselage
Overlay 7
(2) Provides datum air (ram air) in-
Refueling
ward venting, if tank pressurization
fails (2 psi A/C 163600 through
163646; 3 psi A/C 163647 and up)
D.
Refueling
Sg 2, fr 3
1.
Acceptable fuels (no adjustment to fuel
control required)
a.
Grade JP-5
b.
Grade JP-4 (check operational
restrictions in PCL)
REFUELING ACCESS DOOR
c.
Jet A+, Jet A-1+
Sg 2, fr 4
2.
Pressure refueling operation
a.
Location: access door engine left air
intake fairing (163600 through 163646)
(1) Door open: three-position switch
automatically set to REFUEL
(2) Door closed: FLIGHT position
REFUELING PANEL
automatically selected
Sg 2, fr 4
Overlay 1
(3) Defuel position can be selected
manually
b.
Location: access door engine left air
intake fairing (163647 through 163712)
(1) Door open: electrical power ap-
plied to 28 VDC ground services
REFUELING PANEL LAYOUT
bus and fuel system is set for
refueling
Page 5-14
(8-03) Original
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