Hydraulic Subsystems
T-45A UJPT, E2-C2, ADV, & IUT Eng-13
and maintain near that pressure
for days). The gauge displays
nitrogen preload pressure or
HYD 1 system pressure with
engine running, or trapped HYD 1
system pressure after engine
shutdown.
c.
PARK BRAKE caution light
NOTE: Light tells you only that parking
brake handle is extended and that
throttle is above intermediate position
(approximately 60% to 70% rpm
position--does not mean that the
pressure is being applied to brake
pucks/disks).
(1) Location: warning/caution panel
(WCP), both cockpits
(2) Purpose: illuminates (along with
flashing MSTR ALERT light and
caution tone) when parking brake
handle is set to the engaged
position and throttle is advanced
past 70% N2 rpm position
d.
PARKING BRAKE handle
(1) Location: lower right instrument
panel, front cockpit only
(2) Purpose
(a) Pulled out and turned
clockwise--sets parking brake
(b) Turned counterclockwise and
pushed in--releases parking
brake
Page 13-20
(8-03) Original
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