TM 55-1510-219-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 AUXILIARY.
*f. Pitot tubes (2), stall warning vane,
heated
fuel
vents
(2),
and
TAS
temperature probe -Check as follows:
(1) Stall warning heat switch - ON.
(2) Pitot heat switches - ON.
(3) Fuel vent heat switches (2) - ON.
(4) Left wing heated fuel vent- Check
by feel for heat, and condition.
(5) Stall warning vane - Check by feel
for heat, and condition.
(6) Left pitot tube - Check by
C35
feel for heat, condition, and free of
obstructions.
(7) Right pitot tube - Check by
C35
feel for heat, condition, and free of
obstructions.
(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
