T-45C TS, ADV & IUT ENG-17
OBOGS & ECS/Pressurization System
B.
OXYGEN warning light: indicates the OBOGS/ANTI-G
Sg 3, fr 8
switch is OFF or OBOGS failure when illuminated--either
OXYGEN Warning
low oxygen concentration in the system supply or bleed
Light
air temperature exceeds 250 degrees F
C.
Oxygen monitor (fwd cockpit only): continuously
samples oxygen-enriched air for proper concentration
level
D.
OBOGS Pneumatic BIT button (fwd cockpit only): when
pressed and held, activates BIT operation. Releasing
Sg 3, fr 9 (1 overlay)
button deactivates BIT circuit. The pneumatic BIT button
Oxygen Monitor
can be rotated when pressed, locking the button in the
BIT position. (This is intended for maintenance use.)
Warning: Testing the OBOGS above 9000 feet shuts
down the OBOGS.
PROGRESS CHECK
Overlay 1
OBOGS BIT Button
Question 2 -- 1.4.16.3.1
Where is the oxygen monitor located?
ANSWER: Left side of fwd ejection seat bulkhead
Question 3 -- 1.4.16.3
Which control enables/disables the oxygen-enriched airflow
to each mask?
ANSWER: The OBOGS FLOW selector
Question 4 -- 1.4.16.3
What is the name of the control used to inflate the g suit
and where is it located?
ANSWER: The ANTI-G PRESS TO TEST button is located on
the pilot services panel.
Original (9-98)
Page 17-9
Previous Page
