WARNING
TM 1-1510-225-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
* 14. Pitot tubes (2), stall warning vane, and
heated fuel vents (2) - Check as fol-
lows:
Use caution when checking pitot tubes, stall warn-
ing vane, and heated fuel vents for heat by feel.
The heating elements in these items can produce
enough heat to cause burns to personnel who
touch them.
(a) STALL WARN heat switch -
ON.
(b) PITOT heat switches (2) - ON.
(c) FUEL VENT heat switches (2) -
(d) Left wing heated fuel vent -
Check by feel for heat and condi-
tion.
(e) Stall warning vane - Check by
feel for heat and condition.
(f) Left pitot tube - Check by feel for
heat, condition, and free of
obstructions.
(g) Right pitot tube - Check by feel
for heat, condition, and free of
obstructions.
(h) Right wing heated fuel vent -
Check by feel for heat and condi-
tion.
(i) STALL WARN heat switch - Off.
(i) PITOT heat switches (2) - Off.
(k) FURL VENT heat switches (2) -
Off.
2-5
C55
C56
C33
C33
