TM 1-1510-218-CL
P-4
2. POWER levers – 22% torque. IGN ON
annunciators extinguish.
3. AUTOFEATHER switch – Hold to TEST. Both
AUTOFEATHER annunciators illuminated.
4. POWER levers – Retard individually.
a. Approximately 16% – 21% torque, opposite
AUTOFEATHER annunciator extinguishes,
IGN ON annunciator illuminated.
b. Approximately 9% – 14% torque, both
AUTOFEATHER annunciators extinguished
(prop begins to feather). Both IGN ON
annunciators illuminated.
NOTE
AUTOFEATHER annunciators will illuminate
and extinguish with each fluctuation of
torque as the propeller attempts to feather.
c. Return POWER lever to 22% torque.
5. Repeat procedure with other engine.
6. POWER levers – IDLE (Both AUTOFEATHER
lights extinguished, props do not feather).
7. AUTOFEATHER switch – ARM.
8. AUTO IGN switches – Off.
OVERSPEED GOVERNORS AND RUDDER
BOOST
1. RUDDER BOOST switch – On.
2. PROP levers – HIGH RPM.
3. LEFT PROP GOV TEST switch – Hold in TEST
position.
