T-45A UJPT, E2-C2, ADV, & IUT Eng-09
Hydraulic System
2.
HYD 2 and emergency package assembly
Overlay 1
HYD 2 System
a.
Ailerons
b.
Stabilator
3.
Emergency hydraulic system
Overlay 2
RAT System
a.
RAT supplies pressure using HYD 2
system fluid
b.
Backup for HYD 2 EDP pressure to
ailerons and stabilator
c.
CWS: MSTR ALERT light flashes
Sg 5, fr 3
concurrently with illuminated HYD FAIL
warning light and HYD 1 PRESS, HYD
2 PRESS, and RAT EXTEND caution
lights
NOTE: RAT EXTEND caution light
may or may not be illuminated with
HYD FAIL warning light.
WARNING/CAUTION LIGHT PANEL
d.
Intercom system (ICS): caution tone
sounds in headset concurrently with
WCP indications of HYD 1 PRESS,
HYD 2 PRESS, and RAT EXTEND
caution lights; warning tone sounds
with HYD FAIL warning light
(8-03) Original
Page 9-34
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