TM 55-1510-220-CL
4.
Left power lever - Retard.
a.
At approximately 16 to 21% torque, check #2
AUTOFEATHER advisory annunciator extinguished.
b.
At approximately 9 to 14% torque, check #1
AUTOFEATHER
advisory
annunciator
light
extinguished (Left propeller starts to feather).
5.
Left power lever - Set approximately 22% torque.
6.
Repeat steps 1 through 4 for right engine.
OVERSPEED GOVERNORS
1.
Power levers - Set approximately 1950 RPM (both
engines).
2.
#1 propeller governor test switch - Hold to TEST
position.
3.
#1 propeller RPM 1830 to 1910 - Check.
4.
Repeat steps 2 and 3 for # 2 engine.
5.
Power levers - Set 1800 RPM.
PRIMARY GOVERNORS
1.
Power levers - Set 1800 RPM.
2.
Propeller levers - Move aft to detent. Check that
propeller RPM drops to 1600 to 1640 RPM
3.
Propeller levers - HIGH RPM.
P-8
