T-45A UJPT, E2-C2, ADV, & IUT Eng-26
Engineering Review
C.
Engine start sequence
Sg 11, fr 5
8 overlays
LECTURE NOTE
The following italicized steps covering the engine start
sequence are excerpted from the NATOPS manual.
ENGINE START SEQUENCE
If throttle has been moved above cutoff with the
engine off
1.
Clear engine procedure - PERFORM
All starts
2.
GTS start button - PRESS MOMENTARILY
Overlay 1
GTS Start
GTS advisory light should illuminate within
20 seconds
a.
Signals start control unit to start the
GTS
b.
Applies essential services bus power
to GTS fuel/oil-pump, GTS starter
motor, GTS igniters (through start
control unit), and engine igniters
c.
GTS unit starts and reaches idle speed
Overlay 2
of 86% within 20 seconds
After GTS Start
NOTE: Protection circuits within the
starting system will shut down the GTS
if idle speed is not achieved within
30 seconds after the GTS button is
pressed.
Page 26-88
(8-03) Original
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