TM 1-1510-224-CL
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.
c.
Return POWER lever to approximately 25% torque.
5.
Repeat above procedure with other engine.
6.
POWER levers - IDLE.
7.
AUTOFEATHER switch - ARM.
8.
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 lever - Increase until propeller stabilizes at
1540 to 1580 RPM.
4.
Release PROP GOVERNOR TEST switch - Observe
that propeller RPM increases.
5.
Left
POWER
lever
-
Continue
advancing.
At
approximately
50%
torque
differential,
YD
ENG
annunciator should extinguish, and left rudder pedal
should start to move forward. Increasing engine power
should result in increased rudder pedal travel. (Observe
torque and TGT limits.)
6.
Left POWER lever - Slowly retard. Rudder pedal travel
should decrease with decreasing power. The YD ENG
annunciator may flicker as rudder boost system disengages.
7.
Yaw damper - Re-engage yaw damper, and repeat steps
b through f with other engine.
PRIMARY GOVERNORS
1.
POWER levers - Set at 1500 RPM.
P-15
