T-45C TS, ADV & IUT ENG-26
Engine Start Procedures
III. Unacceptable conditions during engine start 1.5.3.1.2.3
Sg 3, fr 2
Lesson Organization
LESSON NOTES
ENGINE START PROCEDURES
The procedures for ground emergencies occurring during
* Controls and Indicators
engine start will be covered during the EMFP block.
* Starting procedures
* Unacceptable conditions
A.
RPM
1.
IDLE
a.
N2 rpm not within 55 + 2% (bleed valve closed)
b.
Any sudden changes in idle rpm
NOTE: Deviations in engine idle rpm may
occur due to any one or a combination of the
following: generator loading, bleed valve open
or closed, external bleed air demands,
hydraulic loading, and altitude adjustments of
approximately 1% rpm increase for every
1,500 feet above sea level.
B.
Low battery voltage: below 24 VDC prior to start
C.
Fuel flow: abnormal indications normally accompanied
by high or low EGT and rpm indications
1.
IDLE: with bleed air valve opened or closed
a.
Maximum:
400 pph
b.
Minimum:
300 pph
D.
Bleed air valve
1.
Failure to close after accelerating rpm above
61 +/- 4% and returning throttle to IDLE
(9-98) Change 3
Page 26-18
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