POWER levers

TM 1-1510-223-MTF

PROCEDURE

TROUBLESHOOTING

REFERENCE

ENGINE RUNUP (CONT)

POWER levers - Retard individually.

(1) At 13% to 19% torque - Opposite

AUTOFEATHER annunciator extinguished,

IGN ON annunciator illuminated.

(2) At

13%

torque

Both

AUTOFEATHER 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 illuminate and extinguish

with each fluctuation of torque as the propeller feathers.

(3) Return POWER lever to approximately 25%

torque.

Repeat steps c and d for other engine.

AUTOFEATHER switch - ARM.

AUTO IGNITION switches - Off.

* 11. Propeller overspeed governors - Check as follows:

PROP levers - HIGH RPM.

PROP GOVERNOR test switch - Hold in TEST

position.

Left engine POWER lever - Advance

until

overspeed governor governs propeller (1540 to

1580

2-48