T-45A UJPT, E2-C2, ADV, & IUT Eng-17
ECS/Pressurization System & OBOGS
e.
Passes oxygen to oxygen/
communications hose quick-
disconnects
6.
Oxygen monitor
Overlay 9
Oxygen Monitor
a.
Provides BIT using cockpit air; the
solid-state oxygen monitor (SSOM)
also provides an electrical BIT but is
intended for use by maintenance
personnel
b.
Analyzes oxygen-enriched breathing
air
c.
Provides rapid warmup (via built-in
circuit heater) during low outside
temperature
7.
Ejection seat: manifold provides common
duct for OBOGS and emergency oxygen
system
8.
Pilot's personal gear
a.
Regulator
(1) Delivers oxygen-enriched air at
positive pressure before reaching
face mask
NOTE: Pressure at pilots mini-reg
is 75 +/- 3 psi; mini-reg drops
pressure to 1.0-1.5 in. of water
pressure.
(2) Increases pressure automatically
at cabin altitudes above 35,000 ft
NOTE: 34,000 +/- 1,000 ft
pressure up to 3.7 in. of water
pressure.
Page 17-16
(8-03) Original
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