TM 1-1510-254-CL
OVERSPEED GOVERNORS AND
RUDDER BOOST
1. RUDDER BOOST -- ON.
2. PROP levers -- HIGH RPM.
3. PROP GOV TEST -- Hold in TEST position.
4. Left POWER lever -- Increase until propeller
is stabilized at 1830-1910 RPM.
5. Release PROP GOVERNOR TEST switch --
Observe that propeller RPM increases.
6. Left POWER lever -- Continue to increase
until rudder movement is noted. (Observe
ITT and torque limits).
7. POWER lever -- Retard to IDLE.
8. Repeat steps 3 thru 8 for the right engine.
PRIMARY GOVERNORS
1. POWER levers -- Set 1800 RPM.
2. PROP levers -- Retard to FEATHER detent.
Note propellers stabilize between 1600 and
1640 RPM.
3. PROP levers -- HIGH RPM. Note propellers
return to 1800 RPM.
4. POWER levers -- IDLE.
ENGINE ANTI-ICE CHECK (System
Initially On)
1. Both ACTUATORS switches -- STBY.
2. LEFT & RIGHT ENGINE ANTI-ICE switches
-- OFF.
3. Both advisory lights -- Extinguished.
4. Both ACTUATORS switches -- MAIN.
5. LEFT & RIGHT ENGINE ANTI-ICE switches
-- ON.
6. Both advisory lights -- On.
Change 1 P-17