T-45C TS, ADV & IUT ENG-17
OBOGS & ECS/Pressurization System
e.
Provides immediate connect/disconnect to
anti-g hose
PROGRESS CHECK
Question 1 -- 1.4.16.2.1
Where in the OBOGS are the nitrogen and contaminants
removed from the compressor air?
ANSWER: In the oxygen concentrator molecular sieves
Sg 3, fr 2
Lesson Organization
OBOGS/SYSTEM
III. OBOGS controls, switches, and indicators 1.4.16.3
*
Major OBOGS components
*
OBOGS operating characteristics
OBOGS controls, switches, and
*
indicators
A.
Pilot services panel
*
OBOGS operational check requirements
*
OBOGS aircraft interfaces
*
Major ECS components
1.
OBOGS/ANTI-G switch (fwd cockpit only)
*
ECS operating characteristics
*
ECS controls, switches, and indicators
*
ECS aircraft interfaces
a.
ON: turns on OBOGS and anti-g system
Sg 3, fr 3 (4 overlays)
Pilot Services Panel
b.
OFF: closes bleed air shutoff valve to turn off
OBOGS/anti-g system and illuminates the
OXYGEN warning light
2.
OBOGS FLOW selector
a.
OFF: shuts off oxygen flow to oxygen mask
b.
ON: permits oxygen flow to oxygen mask
Overlay 1
OBOGS FLOW
3.
OBOGS hose connector: provides connection for
Selector
ejection seat survival kit
Overlay 2
4.
ANTI-G suit connection: quick disconnect
OBOGS Hose
receptacle for anti-g suit
Connector
5.
ANTI-G PRESS TO TEST button: when pressed
Overlay 3
ANTI-G Suit
and held, directs flow of air into anti-g suit for
Connector
purpose of checking anti-g system operation or for
providing body massage
Overlay 4
ANTI-G PRESS TO
NOTE: The anti-g system is automatically activated
TEST Button
when the OBOGS/ANTI-G switch is set to ON.
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