TM 55-1520-240-23-3
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POWER TURBINE (N2) OVERSPEED
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INITIAL SETUP
Applicable Configurations:
Without 74
Tools:
None
Materials:
None
Personnel Required:
Inspector
References:
TM 55-2840-254-23
Equipment Condition:
As Required
1.
Power turbine (N2) overspeed occurs if, during
POWER ON conditions:
a.
Rotor rpm is 107 to 112 percent for more
than 12 seconds.
b.
Rotor rpm is greater than 112 percent.
2.
If N2 overspeed occurs, perform overspeed
inspection (TM 55-2840-254-23).
FOLLOW-ON MAINTENANCE:
As Required
END OF TASK
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