TM 55-1510-222-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
PRIOR TO MAINTENANCE TEST FLIGHT
(CONT)
tors must indicate within
35 pounds of each other
with fuel quantity indicator
selector switch set to AUX-
ILIARY.
*f. Pitot tubes (2), stall warning
vane. heated fuel vents (2), and
T A S t e m p e r a t u r e p r o b e -
Check as follows:
(1) Stall warning heat switch -
ON.
(2) Pitot heat switches - ON.
(3) Fuel vent heat switches (3)
- ON.
(4) Left wing heated fuel vent
- Check by feel for heat and
condition.
(5) Stall warning vane - Check
by feel for heat and condi-
tion.
(6) Left pitot tube - Check by
feel for heat. condition,
and free of obstructions.
C33
(7) Right pitot tube - Check by
feel for heat, condition.
and free of obstructions.
C33
(8) TAS temperature probe -
Check by feel for heat and
condition.
(9) Right wing heated fuel vent
- Check by feel for heat and
condition.
2-4
