TM 55-1510-221-10
H 13. Pitot tubes (2), stall warning vane, heated
fuel fuel vents (2) - Check.
1. Stall warning heat switch - ON.
2. Pitot heat switches (2) - ON. Check cover
removed.
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. Right wing heated fuel vent - Check by feel
for heat and condition.
7. Stall warning heat switch - OFF.
8. Pitot heat switches (2) - OFF.
9. Heated fuel vent switches (2) - OFF.
14. Battery switch - As required.
Change 4
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