T-45C TS, ADV & IUT ENG-13
Flight Control System
(2) Function: augment lift at low airspeed
b.
Flap actuator
(1) Location: one hydraulic actuator bolted
onto bracket at aft face of aft wing spar
(2) Function: powered by HYD 1, extends/
retracts flaps
c.
Pressure/thermal relief valves
(1) Location: incorporated into flap selector
valve package right side of aircraft, forward
of frame 21
(2) Function
(a) Pressure valve
(i)
Directs hydraulic pressure to and
from flap actuator
(b) Thermal relief valve
(i)
Protects HYD lines from thermal
expansion
3.
Cockpit controls/switches/indicators
Sg 3, fr 4 (2 Overlays)
Fig 12: Flap
Controls/Indicators
a.
FLAPS/SLATS lever
(1) Location: inboard of the throttle quadrant
(2) Function: three position control with
detents for selecting flaps UP, 1/2, or DN.
Forward and aft controls are mechanically
linked and operate the flap hydraulic valve
via a common switch
b.
EMER FLAPS switch
Overlay 1
EMER FLAPS
Switch
(1) Location: landing gear panel, below
emergency gear handle
Page 13-26
(9-98) Original
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