T-45C TS, ADV & IUT ENG-17
OBOGS & ECS/Pressurization System
b.
Bleed valve control
2.
28 VDC generator bus provides power to the
OBOGS heater
B.
Engine
1.
Fifth-stage bleed air
a.
OBOGS
Sg 4, fr 2
Lesson Organization
b.
Anti-g
OBOGS/SYSTEM
C.
Centralized warning system (CWS) outputs: OXYGEN
*
Major OBOGS components
Warning light
*
OBOGS operating characteristics
*
OBOGS controls, switches, and indicators
*
OBOGS operational check requirements
*
OBOGS aircraft interfaces
VI. Major ECS components 1.4.15.3.1
Major ECS components
*
*
ECS operating characteristics
*
ECS controls, switches, and indicators
*
ECS aircraft interfaces
Sg 4, fr 3
COCKPIT
(10 overlays)
FORWARD
AFT
Fig 2: Environmental
RAM AIR
RAM AIR
Control System
OUTLET
INLET
RAM AIR
CONTROL VALVE
WATER EXTRACTOR
MAIN
MAX DEFOG
PRESSURE
REGULATOR
& SHUTOFF
VALVE
SECONDARY
VENTILATION
TEMPERATURE
HEAT
DUCTS
CONTROL
EXCHANGER
VALVE
PRIMARY
COLD
HEAT EXCHANGER
CANOPY
AIR
DEFOG DUCTS
UNIT
OPERATED VALVE
CANOPY
LOCK
CONNECTION
FORWARD
DISCHARGE VALVES CONTROL PRESSURE
DISCHARGE
AVIONICS
VALVE
EQUIPMENT
BAY
CABIN
ENGINE HP
PRESSURE
SAFETY AND
AIR
COCKPIT
INWARD RELIEF
PRESSURE
AMBIENT
VALVE
CONTROL VALVE
(ALTITUDE)
PRESSURE
LEGEND
CANOPY SEAL /
PRESSURE LINES
ELECTRICALLY
CONTROLLED
VALVE
CHANGEOVER
VALVE
Figure 2: ENVIRONMENTAL CONTROL SYSTEM
Original (9-98)
Page 17-12
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