T-45A UJPT, E2-C2, ADV & IUT Eng-13
Hydraulic Subsystems
3.
Operating characteristics 1.4.12.2.1
a.
Electrically controlled, hydraulically
extended, mechanically retracted
b.
Spring pressure assists hydraulics in
providing positive load on deck
c.
Three positions
(1) Taxi (retracted)
(2) Launch (extended)
(3) Stowed (gear retracted)
NOTE: The brake pressure
caution light may momentarily
illuminate when the launch bar
transitions to the up position
during post start checks, following
catapult launch, or during landing
gear extensions.
d.
During catapult launch procedures,
once shuttle mechanism has engaged
launch bar
(1) LAUNCH BAR switch is manually
selected to RETRACT and launch
bar is held down by shuttle
(2) As soon as catapult stroke is
complete, spring pressure retracts
launch bar
4.
Limitations: launch bar will not extend if
nose wheel is 30 degrees or more from
center
5.
Summary:
The launch system consists of the launch
(8-03) Original
Page 13-41
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