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verify that automatic transfer bus switching occurred.
Standby Power Switch............................................................................OFF
Check STANDBY PWR OFF light illuminated, and AC/DC voltmeters
indicate zero.
>: Captain ADI ATT flag in view.
>@: Captain RMI HDG flag in view.
Standby Power Switch........................................................................... BAT
Check STANDBY PWR OFF light extinguished, and AC/DC voltmeters
indicate normal.
Verify that the AC standby bus is powered by the inverter.
>: Captain ADI ATT flag out of view.
>@: Captain RMI HDG flag out of view.
737 Sec. 3 Page 45
Flight Manual Continental Rev. 11/15/02 #41
Standby Power Switch........................................................................AUTO
Select the standby power switch to AUTO, momentarily hesitating in the
OFF position to ensure the standby relays are restored to their normal
position. Do not rely on the switch cap to re-select the AUTO position.
Verify proper switch action by reference to the DC meter.
DC Meter Selector................................................................................. BAT
APU Generator Bus No. 2 Switch or
Ground Power Switch.......................................................................... ON
Check voltage reads in excess of 24 volts as an indication that the
battery charger is operating.
Equipment Cooling Switches (Flow) ............................................. NORMAL
Verify switch(es) is/are in the NORMAL position.
Verify OFF light extinguished. If this light is ON, there is danger of
equipment overheating.
Emergency Exit Lights (Flow) ..........................................................CAPPED
Verify guard down and NOT ARMED light extinguished.
No Smoking Sign (Flow) ..............................................................................ON
The no smoking sign will remain ON for all non-smoking flights.
Seat Belt Sign (Flow) ..................................................................................OFF
Window Heat (Flow) ....................................................................................ON
Turn all window heat switches ON. Observe green ON lights illuminate. In
hot weather, the green ON light may not illuminate due to windows that are
already at or above operating temperature. This may be verified (crew
option) by conducting a power test.
Window heat must be on at least 10 minutes prior to takeoff. Window heat
should normally remain ON during Through-Flight stops. Continual heating
and cooling cycles may accelerate window delamination; however, the
flight crew may elect to turn window heat OFF during very long ground
times or in very hot weather.
Selecting PWR Test provides a confidence test when any of the green
window heat ON lights are extinguished when the respective window heat
switches are ON. The controller is forced to full power, bypassing normal
temperature control. However, overheat protection is still available. If any
green ON light remains extinguished during the power test, the heat system
is inoperative.
Sec. 3 Page 46 737
Rev. 11/15/02 #41 Continental Flight Manual
Do not power test when all green ON lights are illuminated. Window heat
switches must be ON.
>>@ Pitot Heat (Flow) .......................................................................OFF
BCD Probe Heat (Flow) ....................................................................OFF
Anti-Ice (Flow) ............................................................................................OFF
Verify VALVE OPEN lights extinguished.
Hydraulics .............................................................................. CHECKED, ON
Position System A and B hydraulic pump switches to the ON position.
Verify electric pump LOW PRESSURE lights extinguished. Brake pressure,
System A pressure, and System B pressure should be 2800 psi minimum.
>>@ Hydraulic quantities must be above the RFL lines.
BCD No RF annunciation displayed.
Voice Recorder (Flow)....................................................................CHECKED
Push test button and hold for 5 seconds. Observe meter needle remains in
green band entire time test button is depressed. With headset on and
plugged into voice recorder test monitor jack, speak in a conversational
tone and listen for the same words played back.
Note: This check is to be accomplished on the first flight of the day.
Air Conditioning & Pressurization ...........................................................SET
Move the air temperature selector to SUPPLY DUCT(S) and review
temperature indicated in relation to air conditioning mode. Leave the
　
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