TM 55-1520-240-23-3
4-2
PERFORM HEALTH INDICATOR TEST (HIT)
(Continued)
4-2
11.
If indicated PTIT is 20-29ºC less than or greater
than BASELINE PTIT, make entry on DA Form
2408-13.
When the indicated PTIT is 30º
greater or less than the BASELINE
PTIT, do not fly the aircraft until TEAC
has been accomplished (Task 4-3).
12.
If indicated PTIT is 30ºC less than or greater than
BASELINE PTIT, do the following:
a.
Ground aircraft until operational check of
PTIT and emergency power indicating
system is performed (TM 55-1520-240-T).
b.
Make entry on DA Form 2408-13.
13.
Set NO. 2 ENGINE CONDITION lever to FLIGHT.
Do not exceed 100 percent rotor rpm.
14.
Set NO. 1 ENGINE CONDITION lever to
GROUND.
15.
Repeat steps 4 thru 13 on No. 2 engine.
16.
Shut down engines.
FOLLOW-ON MAINTENANCE:
None
END OF TASK
4-13