TM 1-1510-233-CL
P-24
3.
AUTOFEATHER switch – Hold to TEST (both
AUTOFEATHER annunciators illuminated).
4.
POWER levers – Retard individually.
a. At 13% to 19% torque – Opposite AUTO-
FEATHER annunciator extinguished, IGN
ON annunciator illuminated.
b. At 7% to 13% torque – Both AUTOFEATH-
ER annunciators extinguished (propeller
starts to feather).
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 illumi-
nate and extinguish with each fluctuation of
torque as the propeller feathers.
c. Return POWER lever to approximately
25% torque.
5.
Repeat above procedure with other engine.
6.
AUTOFEATHER switch – ARM.
7.
AUTO IGNITION switches – OFF.
OVERSPEED GOVERNORS AND RUDDER
BOOST
1.
Yaw Damper – ENGAGE. Observe YD ENG
annunciator illuminated.
2.
PROP GOVERNOR TEST switch – Hold to
PROP GOVERNOR TEST position.
3.
Left power – Increase until propeller stabilizes
at 1540 to 1580 RPM.
