TM 55-1510-220-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
(4) Airspeed - 157 KIAS.
(5) Flaps - DOWN (100%).
*(6) Flap extension time - Check and record. Flaps should extend from full up to full down within 13
seconds.
*6. Minimum elevator trim - Check as follows:
a.
Power - Idle.
b.
Gear- DN.
c.
Flaps - DOWN (100%).
d.
Propeller levers - HIGH RPM.
e.
Elevator trim control wheel - Set full nose-up trim.
*f.
Record airspeed (must be between 89 and 92 KIAS).
7.
Flaps - UP.
8.
Gear- UP.
*9. Autoignition - Check as follows:
a.
Autoignition switches (2) - ARM.
b.
Slowly retard each power lever.
c.
Respective IGN ON annunciator light should illuminate at 16 to 21% torque.
d.
Power - Establish cruise power with autoignition armed.
e.
Right engine condition lever - Rapidly retard to IDLE CUT- OFF for 3 seconds, then return
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