TM 55-1510-221-MTF
PROCEDURE
TROUBLESHOOTING
REFERENCE
PRIOR TO MAINTENANCE TEST FLIGHT
(CONT)
With full fuel tanks, left and right
fuel
quantity
indicators
must
indicate within 35 pounds of each
other with fuel quantity indicator
selector switch set to AUXILIARY.
*e.
Pilot tubes (2), stall warning vane, heated fuel
vents (2), and TAS temperature probe Check as
follows:
(1)
Stall warning heat switch ON.
(2)
Pilot 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 piton tube Check by
C33
feel for heat, condition and free of
obstructions.
(7)
TAS temperature probe Check by
feel for heat and condition.
(8)
Right pilot tube Check by
C33
feel for heat, condition, and free of
obstructions.
2-4
