T-45C TS, ADV & IUT ENG-17
OBOGS & ECS/Pressurization System
PRESENTATION
Sg 1, fr 2
I.
Major OBOGS components 1.4.16.3.1
Lesson Organization
OBOGS/SYSTEM
AFT
Major OBOGS components
*
*
OBOGS operating characteristics
*
OBOGS controls, switches, and indicators
FWD
*
OBOGS operational check requirements
*
OBOGS aircraft interfaces
*
Major ECS components
OXYGEN
PLENUM
*
ECS operating characteristics
MONITOR
*
ECS controls, switches, and indicators
*
ECS aircraft interfaces
INTERNAL
HEAT EXCHANGER
CABIN
PLENUM
DISCHARGE
DIFFUSER
AIR
MOL
SIEVES
TEMP
OVERBOARD
SWITCH
ROTARY
BLEED AIR
TO ANTI-G VALVES
VALVE
SHUTOFF
VALVE
OXYGEN CONCENTRATOR
LEGEND
CHECK VALVE
MANUAL SHUTOFF
VALVE
TO COCKPIT
Figure 1: OBOGS FLOW
Sg 1, fr 3
(5 overlays)
A.
OBOGS bleed air shutoff valve: located on upper left
Fig 1: OBOGS Flow
side of fifth-stage engine compressor
Overlay 1
B.
Heat exchanger: located on auxiliary equipment rack, aft
Heat Exchanger
of rear cockpit
Overlay 2
C.
Temperature switch: located in auxiliary compartment,
Temperature switch
aft of rear cockpit
Overlay 3
D.
Oxygen concentrator: located in nose equipment
Oxygen Concentrator
compartment
Overlay 4
E.
Plenum: located between cockpits, below and forward of
Plenum
aft cockpit rudder pedals
Overlay 5
F.
Oxygen monitor: located left side of fwd ejection seat
Oxygen Monitor
bulkhead
Page 17-3
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