T-45C TS, ADV & IUT ENG-07
Aircraft Fuel System
(b) Normal pressure relief occurs at
pressure in excess of 9.5 psi
(c) Reduced pressure relief of 4.0 psi
when FLIGHT/REFUEL/DEFUEL
switch is set to REFUEL or tail hook
is down
(d) Bleed valve is electrically held closed
when the fuselage tank is full and
when the launch bar is not retracted
with weight on wheels (to prevent
venting of fuel during catapult launch)
(4) External fuel vent is located on upper left
side of the tail cone
c.
Operational description: inward venting
(1) An inward venting (ram air) line protrudes
through right side of fuselage
(2) Provides datum air (ram air) inward venting,
if tank pressurization fails
D.
Refueling
Overlay 3
Refueling
1.
Acceptable fuels (no adjustment to fuel control
required)
a.
Grade JP-5
b.
Grade JP-4
c.
Jet A+, Jet A-1+
Original (9-98)
Page 7-12
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