T-45A UJPT, E2-C2, ADV, & IUT Eng-09
Hydraulic System
c.
Physical
(1) Mounted on and driven by engine
accessory gearbox
(2) Variable displacement pump
(3) Constant output pressure: 3,000
psi at 9.6 gallons per minute
3.
Flight control (FC) accumulator
Overlay 3
HYD 1 FC Accumulator
a.
Location: aft of right intake
b.
Description
(1) Stores power for ailerons and
stabilator during periods of high
demand
(2) Dampens pressure fluctuations
c.
Physical
(1) Consists of a cylinder with a free-
floating piston that separates
hydraulic fluid from nitrogen
(2) Pressurized with nitrogen
(1,100 +/- 50 psi)
4.
Wheel brake/emergency flap accumulator
Overlay 4
Wheel Brake/Emergency Flap
Accumulator
a.
Location: right main landing gear
wheelwell
b.
Description
(1) Stores power for emergency use
of wheel brakes in event of HYD 1
failure
Page 9-6
(8-03) Original
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