TM 55-1510-222-10
a.
Beacon Off.
b.
Left pitot heat switch ON Check for loadmeter
rise, then off.
c.
Right pitot heat switch ON Check for load meter
rise, then off.
d.
Stall warning heat switch ON Check for load-
meter rise, them off.
e.
Fuel
vent
heat
switches
ON
Check
for
loadmeter rise, then off.
f.
Windshield anti-ice switches NORMAL Check
PILOT and COPILOT (individually) for loadmeter
rise, then OFF.
g.
Propeller
deice
MANUAL
switch
ON
(momentarily), check for loadmeter rise.
h.
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. i. Surface deiceswitch MANUAL.
Check that surface boots inflate, and remain inflated,
then off.
j.
Antenna deice switch SINGLE CYCLE AUTO.
Check for a drop in pneumatic pressure and antenna
deice boot inflation.
k.
Antenna deice switch MANUAL. Check that
boots inflate, and remain inflated, then off.
l.
Radome Anti-ice switch ON, Check for proper
indications OFF.
m.
Beacon As required (DAY or NIGHT).
*
11. Pneumatic pressure Check as follows:
a.
ENVIRO & PNEU bleed air LEFT switch Off.
b.
Pneumatic pressure 12 20 PSI Check.
c.
L BL AIR Off annunciators illuminated Check.
d.
ENVIRO & PNEU bleed air RIGHT switch Off.
e.
L & R BL AIR OFF and L & R BL AIR FAIL
annunciators illuminated Check.
f.
ENVIRO & PNEU bleed air LEFT switch ON.
g.
L BL AIR OFF and L & R BL AIR FAIL
annunciators extinguished, pneumatic pressure at 12 20
PSI Check.
h.
ENVIRO & PNEU bleed air RIGHT switch ON.
i.
R BL AIR OFF annunciation extinguished
Check.
*
12.
Pressurization system - Check and set as
follows:
a.
CABIN
DOOR
caution
annunciation
extinguished Check.
b.
Vent windows closed Check.
c.
ENVIRO & PNEU bleed air switches ON -
Check.
d.
Cabin altitude 500 feet lower than field pressure
altitude Set.
e.
Cabin pressure switch TEST (hold).
f.
Cabin climb indicator descending indication
Check, then release TEST switch.
g.
ACFT ALT set to planned cruise altitude plus
500 feet Check (if this setting does not result in CABIN
ALT indication of at least 500 feet over takeoff field
pressure altitude, adjust as required).
h.
Rate control set between 9 and 12 o'clock -
Check.
13.
Windshield anti-ice As required.
NOTE
If windshield anti-ice is needed prior
to takeoff, use normal setting for a
minimum of 15 minutes prior to
selecting
high
temperature
to
provide adequate preheating and
minimize effects of thermal shock.
8-23. *BEFORE TAKEOFF.
1.
Bleed air valves As required.
2.
Ice and rain switches As required. As a
minimum, the PITOT, STALL WARN, and FUEL VENT
switches shall be ON.
3.
Fuel panel Check fuel quantity and switch
positions.
4.
Flight and engine instruments Check for normal
indications.
5.
Cabin controller - Set.
6.
Annunciation panels Check (note indications).
7.
Flaps - As required.
8.
Trim Set.
9.
Avionics Set.
10.
Flights controls Check.
*11.Departure briefing Complete.
8-24. *LINE UP.
1.
Engine antiice As required.
2.
Propeller levers HIGH RPM.
Change 1 8-15
