T-45C TS, ADV & IUT ENG-27/ENG-28
Engineering Review
(2) Nose wheel steering (hydraulic
pressure through the down side of the
normal landing gear system)
(3) Launch bar (hydraulic pressure used
for extension only; retraction is
mechanical by spring force)
(4) Speed brake (hydraulic pressure used
for both extension and retraction)
(5) Arresting hook (hydraulic pressure
used for retraction only; extension is by
gravity free-fall, with pneumatic
snubber pressure assist)
(6) Flaps and slats (hydraulic pressure
used for both extension and retraction)
(7) Wheel brakes and anti-skid (hydraulic
pressure used for both operations)
2.
HYD 2 operational characteristics 1.4.8.2.2
a.
EDP receives hydraulic fluid from HYD 2
system reservoir and produces 3000 psi
but at reduced (6 gpm) flow because of
smaller load
b.
Bypass valve controls output of EDP
(1) Engine rpm controls the bypass valve
through the airborne data recorder
(ADR), and HYD 2 RESET button
(2) On engine start, bypass valve opens to
send HYD 2 EDP output to return
(reduces load on ATS during engine
start)
(3) May be reset (bypass valve closed) by
pressing HYD 2 RESET button once
engine rpm has reached 45%
(9-98) Original
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