TM 55-1510-222-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
*6. Propeller deice system - Check as
follows:
C54
a. Propeller deice switch - Set to
AUTO position.
b. Propeller deice ammeter -
Monitor for 26 to 30 amperes
and for a slight needle deflec-
tion every 90 seconds.
c. Manual deice - Hold switch to
ON position. Note a 28 ampere
increase in each loadmeter in-
dication.
*7 *Windshield anti-ice
system -
Check operation as follows:
a. Pilot’s
windshield
anti-ice
switch - NORMAL, check by
feel for heat.
b. Pilot’s
windshield
anti-ice
switch - HI, check for an in-
creased loadmeter indication,
then OFF.
c. Copilot’s windshield anti-ice
switch - Check by repeating
above steps.
*8. Radome anti-icing system - Check
as follows:
a. Radome anti-ice switch - ON.
b. Loadmeters - Monitor for in-
crease.
c. RADOME HEAT annunciator
light - Check illuminated with-
in 5 minutes.
d. RADOME HOT annunciator
light - Check extinguished.
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