TM 55-1510-220-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
CRUISE (CONT)
d.
#1 and #2 ice vane switches - RETRACT.
e.
Torquemeters - Monitor for an increase in torque.
f.
#1 and #2 ice vane annunciator lights (green) - Check extinguished.
g.
Ice vane control circuit breakers (2) - Pull.
h.
Airspeed - 160 KIAS.
i.
#1 and #2 ice vane switches - EXTEND.
j.
#1 and #2 vane fail annunciator lights (yellow) - Check illuminated within 10 to 18 seconds after ice
vane switch actuation.
k.
Manual engine ice vane controls - Pull to extend. Pulling force required to extend the ice vanes should
not be excessive.
1.
#1 and #2 vane fail annunciator lights (yellow) - Check extinguished.
m. #1 and #2 ice vane extended annunciator lights (green) - Check illuminated.
n.
#1 and #2 ice vane switches - RETRACT.
o.
#1 and #2 vane fail annunciator lights (yellow) - Check illuminated within 10 to 18 seconds
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