8-28. BEFORE STARTING ENGINES.
Oxygen system Check as required.
Oxygen supply pressure gages Check.
Supply control lever (green) ON.
Diluter control lever 100% OXYGEN.
Emergency control lever (red) Set to TEST
MASK position while holding mask directly
away from face, then return to NORMAL.
Oxygen masks Put on and adjust.
Emergency pressure control lever Set to
TEST MASK position and check mask for
leaks, then return lever to NORMAL.
Flow indicator Check, during inhalation
blinker appears, during exhalation blinker
disappears). Repeat a minimum of 3 times.
Circuit breakers Check in.
Overhead control panel switches Set as follows:
Light dimming controls As required.
Cabin temperature mode selector switch
Ice & rain switches As required.
Exterior light switches As required.
Master panel lights switch As required.
Inverter switches OFF.
Avionics master power switch As required.
Environmental switches As required.
Autofeather switches OFF.
#1 engine start switches OFF.
Master switch OFF.
#2 engine start switches OFF.
Fuel panel switches Check as follows:
Standby fuel pump switches OFF.
Auxiliary transfer override switches AUTO.
Crossfeed switch - OFF.
Magnetic compass Check for fluid, heading and
current deviation card.
Pedestal controls Set as follows:
Movement of power levers into
reverse range while engines are
shut down may result in bending
and damage to control linkages.
Power levers IDLE.
Propeller levers HIGH RPM.
Condition levers FUEL CUTOFF.
Flaps - UP.
Friction locks Check and set.
Pedestal extension switches Set as follows:
Flare/chaff dispenser control SAFE.
Avionics As required.
Rudder boost switch ON.
Gear alternate engage and ratchet handles
Free air temperature gage Check, note current
Instrument panel Check and set as follows:
switches As required.
Pilot's and copilot's RMI switches As
Pilot's and copilot's microphone switch As
Pilot's and copilot's compass switches As
Gyro switches SLAVE.