T-45C TS, ADV, & IUT ENG-05
Engine and Related Systems Malfunctions
REFRESHER
Recall:
*
Normal operation of the engine and related systems from Eng-04
Fig 1: Engine
*
The location and function of T-45C cockpit engine indicators, warning and
Components
caution advisory panel, FIRE light, and MASTER ALERT light
Fig 2: Engine Fuel/
Control System
*
The T-45C Warning and Caution Advisory lights associated with the
Fig 3: Engine Oil
engine system
System
Fig 4: Engine
Starting System
Fig 5: Engine
Operating Limitations
PRESENTATION
I.
Engine overtemp 1.8.1.1.4.1
Fig 6: Indications of
A. Indications
Engine Overtemp
1. EGT reads above normal (over 610 degrees C)
NOTE: The maximum transient temp is 645 degrees C for less
than 20 seconds. (The CWS will activate when the temperature is
650 +/- 8 degrees C.)
2. MASTER ALERT flashes
3. Warning tone sounds
4. Warning panel: EGT/RPM light illuminates
NOTE: The probable cause of this malfunction is an uncontrolled
fuel flow due to a malfunctioning ECA. If this is the case, the ECA
caution light will illuminate prior to the above-mentioned
indications.
B. Verifications same as indications
C. Effects on flight safety
1.
Possible engine/aircraft damage
2.
Possible loss of thrust
3.
Possible fire
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Change 6 (9-98)
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