TM 55-1510-222-CL
4.
Repeat above steps with other engine.
PRIMARY GOVERNORS
1.
Power levers - Set at 1500 RPM.
2.
Exercise propeller - Move aft to detent, then return to high RPM.
ENGINE ANTI-ICE
1.
Ice vane power select switch - MAIN.
2.
Ice vane control switches - Off, verify VANE EXTEND annunciator extinguishes.
3.
Ice vane power select switch - STBY.
4.
Ice vane control switches - ON, verify VANE EXTEND annunciators illuminated.
5.
Ice vane power select switch - MAIN.
ANTI-ICE AND DEICE SYSTEMS
1.
Beacon - Off.
2.
Left pitot heat switch ON - Check for loadmeter rise, then off.
3.
Right pitot heat switch ON - Check for loadmeter rise, then off.
4.
Stall warning heat switch ON - Check for loadmeter rise, then off.
5.
Fuel vent heat switches ON - Check for loadmeter rise, then off.
6.
Windshield anti-ice switches NORMAL - Check PILOT and COPILOT (individually) for loadmeter rise, then OFF.
7.
Propeller deice MANUAL switch - ON (momentarily), check for loadmeter rise.
8.
Surface deice switch - SINGLE CYCLE AUTO. Check for a drop in pneumatic pressure and wing deice boot
inflation after 6 seconds for a second drop in pneumatic pressure.
P-9
