T-45A UJPT, E2-C2, ADV, & IUT Eng-02
Engine
launch to preclude compressor surge due
to steam ingestion. Approximately 10%
loss of thrust (5,527# now 4,975#) will
occur with the steam ingestion bleed valve
open
a.
Valve commanded open when
(1) LAUNCH BAR switch is set to
EXTEND (aircraft 163599 through
163662, prior to T-45A AFC-118)
or launch bar is in the extended
position (aircraft 163663 and up,
and aircraft 163599 through
163662 after T-45A AFC-118)
(2) Weight-on-wheels
(3) N2 above 70% (ADR signal)
b.
Valve held open until
(1) Weight-off-wheels or
(2) N2 below 70% rpm (ADR signal)
c.
ACCEL caution light illuminated when
valve position disagrees with
commanded position, OPEN or
CLOSED (also illuminates when initial
shot solenoid in not in the commanded
position)
PROGRESS CHECK
Question 1 -- 1.4.6.2.1
What are the minimum and maximum normal fuel
flow indications?
ANSWER:
1. Minimum: 300 pph
2. Maximum: 6,410 pph
Page 2-24
(8-03) Original
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