TM 1-1510-225-MTF
PROCEDURE
TROUBLESHOOTlNG
REFERENCE
NOTE
If windshield heat is needed prior to takeoff, use
NORMAL setting for a minimum of 15 minutes
prior to selecting HIGH to provide adequate pre-
heating and minimize the effects of thermal shock.
The windshield heat thermostat will invalidate the
check in OAT above 20 to 30 degrees C.
(e) Note slight rise on loadmeter on
following checks.
(1) Pitot heat - ON.
(2) Stall warning heat - ON.
(f) All anti-ice/deice switches - OFF.
(g) Generator - RESET then ON.
(h) Red anti-collision light - ON.
(i) Surface deice system - Check.
21. CONDITION levers - As required.
BEFORE TAKEOFF
1. Fuel panel - Check fuel quantity and
switch positions.
2. Autofeather - Armed.
3. Flight and engine instruments - Check.
4. Cabin controller - Set.
5. Avionics - Set.
6. Altitude alerter - Set.
7. Propellers - HIGH RPM.
8. Flaps - As required.
9. Trim - Set.
10. Autopilot/yaw damper - OFF.
11. Bleed air valves - As required
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