TM 55-1510-220-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
PRIOR TO MAINTENANCE TEST FLIGHT (CONT)
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.
C35
(6) Left pitot tube - Check by feel for heat, condition, and free of obstructions.
C34
(7) Right pitot tube - Check by feel for heat, condition, and free of obstructions.
C34
(8) TAS temperature probe - Check by feel for heat, and condition.
(9) Right wing heated fuel vent - Check by feel for heat,' and condition.
(10)
Stall warning heat switch -OFF.
2-4
