T-45A UJPT, E2-C2, ADV, & IUT Eng-17
ECS/Pressurization System & OBOGS
H.
Pilot's personal gear
Sg 5, fr 3
1.
Chest-mounted oxygen regulator
NOTE: Requires a new regulator; T-2/A-4
regulators not compatible; regulator must be
able to handle ambient air.
2.
Oxygen mask
PILOT SERVICES PANEL
3.
Anti-g suit
I.
Pilot services panel: located left console, both
cockpits
NOTE: The OBOGS/ANTI-G switch is only on
the FWD pilot services panel.
VI. OBOGS operating characteristics 1.4.16.2.1
Sg 6, fr 1
A.
Functional description: OBOGS converts engine
Lesson Organization
compressor bleed air to oxygen-enriched
breathing air at the correct pressure and
Sg 6, fr 2 (9 overlays)
temperature. It uses fifth stage compressor air
from the OBOGS bleed-air port.
1.
OBOGS bleed-air shutoff valve
a.
Controls supply of engine compressor
air required to operate OBOGS
OBOGS FLOW
b.
Controlled by temperature switch
Overlay 1
c.
Receives logic control signals from
OBOGS Bleed-Air Shutoff Valve
OBOGS/ANTI-G switch and overheat
temperature sensor
d.
Directs bleed air to heat exchanger
(8-03) Original
Page 17-13
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