T-45C TS, ADV & IUT ENG-26
Engine Start Procedures
c.
Oil pressure warning light should extinguish at
approximately 18% N2 rpm
NOTE: Light-off is indicated by an initial rise in
EGT.
WARNING: Do not start the engine with the throttle
above ground idle, severe engine damage/turbine
destruction may occur.
CAUTION: Advancing throttle to IDLE before READY
advisory light illuminates may cause damage to the
engine from overheat.
CAUTION: Light-off must occur within 15 seconds
after advancing throttle to IDLE.
CAUTION: Secure engine if start EGT limit is rapidly
approached and appears likely to be exceeded.
4.
TGT and RPM indicators - MONITOR
Sg 2, fr 9, ov 5
Ensure GTS and READY advisory lights go out at
approximately 45% rpm
NOTE: TGT, rpm, and fuel flow indications must be
closely monitored throughout the engine starting
sequence to ensure safe starting and to prevent
engine damage.
a.
EGT indications during starting phases
(1) Rises rapidly to approximately
300-350 degrees C
(2) Rate of rise should slow above
350 degrees C
(3) Normal starting EGT peaks at
approximately 400-450 degrees C
NOTE: Maximum EGT should not exceed
550 degrees C. (570 degrees with a
10-second overshoot)
(9-98) Change 3
Page 26-15
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