TM 1-1510-224-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
NOTE
The POWER lever may have to be lifted and pulled
towards the ground fine gate in order to attain the
7% to 13% torque.
AUTOFEATHER annunciators will illuminate and
extinguish with each fluctuation of torque as the
propeller feathers.
(3)
Return
POWER
lever
to
approximately 25% torque.
(e)
Repeat steps c and d for other
engine.
(f)
AUTOFEATHER switch - ARM.
(g)
AUTO IGNITION switches - Off.
*11.
Propeller overspeed governors - Check
as follows:
F1-3
(a)
PROP levers - HIGH RPM.
(b)
PROP GOVERNOR test switch -
Hold in TEST position.
(c)
Left
engine
POWER
lever
-
Advance until overspeed governor
governs propeller (1540 to 1580
RPM). Do not exceed temperature
and torque limits.
(d)
PROP GOVERNOR test switch -
Release. Verify that propeller RPM
increases.
(e)
Left engine POWER lever - IDLE.
(f)
Repeat steps b through e for right
engine.
*12.
Primary governors - Check as follows:
F1-3
2-51
