TM 1-1510-224-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
LOW SPEED SYSTEMS CHECK (CONT)
(a) AUTOFEATHER switch - ARM.
(b) Airspeed - 120 KIAS.
(c) PROP levers - Set 1700 RPM.
(d) POWER levers - Set as required to
arm autofeather system.
(e) CONDITION lever (engine to be
feathered) - IDLE CUTOFF.
*(f)
Record the time from fuel cutoff until
propeller is feathered. (Propeller is
considered to be feathered when
the blades are individually visible to
the human eye, but the propeller is
still rotating.) Time to feather shall
not exceed 10 seconds.
NOTE
For proper autofeather operation, propeller must
stop completely.
(g) Engine cleanup.
(1)
CONDITION
lever
-
FUEL
CUTOFF.
(2)
AUTO IGNITION switch - OFF.
(3)
AUTOFEATHER switch - OFF.
(4)
GENERATOR switch - OFF.
(5)
PROP SYN switch - OFF.
(h) Engine restart.
2-76
