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TM-1-1510-225-MTF Army Model C-12 Aircraft Manual | Next
PILOT WSHLD ANTI-ICE |
TM 1-1510-225-MTF
PROCEDURE
TROUBLESHOOTlNG
REFERENCE
( a ) D E I C E C Y C L E s w i t c h -
SINGLE. Verify that surface
boots inflate and automatically
deflate for one cycle, and that
wing boots stay inflated for 6
seconds, then tail boots stay
inflated for 4 seconds.
(b) DEICE CYCLE switch - Hold to
MANUAL position. Verify that
boots stay inflated until switch is
released.
(c) DEICE CYCLE switch - Release.
Check boots visually to see that
they are sucked down flat after
use.
*13. Propeller deice system - Check as fol-
lows:
C54
(a) PROP AUTO deice switch - On.
(b) PROP deice ammeter - Monitor
for 26 to 30 amperes and for a
slight needle deflection every 90
seconds.
(c) PROP MANUAL deice switch-
Hold to on position. Note a 5%
increase in each loadmeter indi-
cation.
*14. Windshield anti-ice system - Check
operation as follows:
(a) PILOT WSHLD ANTI-ICE
switch - OFF.
(b) PILOT WSHLD ANTI-ICE
switch - NORMAL. Check for
loadmeter rise.
2-45
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