TM 55-1510-222-CL
9.
Surface deice switch - MANUAL. Check that surface boots inflate, and remain inflated, then off.
10.
Antenna deice switch - SINGLE CYCLE AUTO. Check for a drop in pneumatic pressure and antenna deice boot
inflation.
11.
Antenna deice switch - MANUAL. Check that boots inflate, and remain inflated, then OFF.
12.
Radome Anti-ice switch - ON, Check for proper indications - Off.
13.
Beacon - As required (DAY or NIGHT).
PNEUMATIC PRESSURE
1.
ENVIRO & PNEU bleed air LEFT switch - Off.
2.
Pneumatic pressure 12 - 20 PSI - Check.
3.
L BL AIR OFF annunciators illuminated - Check.
4.
ENVIRO & PNEU bleed air RIGHT switch - Off.
5.
L & R BL AIR OFF and L & R BL AIR FAIL annunciators illuminated - Check.
6.
ENVIRO & PNEU bleed air LEFT switch - ON.
7.
L BL AIR OFF and L & R BL AIR FAIL annunciators extinguished, pneumatic pressure at 12 - 20 PSI - Check.
8.
ENVIRO & PNEU bleed air RIGHT switch - ON.
9.
R BL AIR OFF annunciator extinguished - Check.
PRESSURIZATION SYSTEM
1.
CABIN DOOR caution annunciator extinguished - Check.
2.
Vent windows closed - Check.
P-10
