TM 55-1510-222-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
c. Read altimeter at end of one
minute. Second reading must
be 1000 + 200 feet more than
first reading.
*4. Surface deice system - Check as fol-
lows:
C42
a. Surface deice switch - AUTO.
Surface boots should inflate
and automatically deflate for
one cycle. Wing boots should
stay inflated for 6 seconds,
then tail boots should stay in-
flated for 4 seconds.
b. Surface deice switch, - Hold to
MANUAL position.
Boots
should
stay
inflated
until
switch is released.
c. Surface deice switch - Release.
Check boots visually to see that
they are sucked down flat after
use.
*5. Antenna deice system - Check as
follows:
C42
a. Antenna deice switch - AUTO.
Check that wing dipole antenna
boots inflate, and automatically
deflate for one cycle.
b. Antenna deice switch - Hold to
MANUAL position. Check that
wing dipole antenna boots in-
flate and stay inflated until
switch is released.
c. Antenna deice switch - Release.
Check boots visually to see that
they are sucked down flat after
use.
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