Master LIGHTS test and dim switch – TEST
Use scan flow to check all lights flashing or illuminated. Use individual test switches or press to test feature to check appropriate lights which do not illuminate during the light test. The fire warning lights are not checked during this test.
Master LIGHTS test and dim switch – As desired
Copyright . The Boeing Company. See title page for details.
NP.20.6  June 4, 2004

Normal Procedures -Amplified Procedures

737 Operations Manual
FMC/CDU ................................................................ Set present position

POS INIT page – Select
Using the most accurate information available, enter present position on the SET IRS POS line. Confirm that the box prompts are replaced by the entered present position.
On airplanes with FMC U1.0, U1.1, U1.2 or U3.0 verify that both the ISDU and FMC/CDU display the same present position. Verify for both left and right IRS’s.
Flight Deck Preparation – Captain
Escape strap ................................................................................... Check

Ensure strap is connected to structure. Sun visor and smoke goggles .......................................................Stowed Oxygen and interphone.................................................................. Check
Audio selector panel – Set Push FLT INT transmitter selector and receiver switch, and adjust volume controls on receiver switch and overhead speaker. Position microphone selector to MASK. Oxygen panel – Set Check mask is properly stowed and NORMAL/100% switch is at 100%. RESET/TEST slide lever – Push down and hold Observe momentary yellow cross in flow indicator. EMERGENCY/TEST selector – Push and hold While holding RESET/TEST slide lever down, push EMERGENCY/TEST selector and observe constant yellow cross in flow indicator. Push–To–Talk switch – I/C
Normal Procedures -Amplified Procedures 737 Operations Manual

While holding RESET/TEST slide lever down and pushing the EMERGENCY/TEST selector, simultaneously key microphone and listen for oxygen flow sound through the overhead speaker. Then release all switches and reposition microphone selector as desired.
Oxygen pressure – Check
Verify pressure meets dispatch requirements.

Audio selector panel (as installed) ........................................................................................ Set Flight control panel ........................................................................Check
All 5 switch guards – Down ALTERNATE FLAPS position switch – OFF YAW DAMPER switch ...................................................................... ON YAW DAMPER light – Extinguished
Instrument and NAV transfer switches ............................................................NORMAL Fuel system ............................................ _____ LBS/KGS & pumps ON
FUEL VALVE CLOSED light - Illuminated dim
FILTER BYPASS lights – Extinguished
CROSSFEED selector – CLOSED

VALVE OPEN light – Extinguished
Fuel quantity – Check
Verify total fuel quantity meets dispatch requirements.
FUEL PUMP switches (for tanks containing fuel) – ON

Copyright . The Boeing Company. See title page for details.
NP.20.8  June 4, 2004

Normal Procedures -Amplified Procedures 737 Operations Manual
LOW PRESSURE lights – Extinguished
CAUTION: Center tank fuel pump switches should be positioned ON only if the fuel quantity in the center tank exceeds 453 kgs/1000 lbs.
CAUTION: If a LOW PRESSURE light does not extinguish when the switch is positioned ON, position the switch OFF.
GALLEY power switch......................................................................ON

Electrical system ..................................................................................Set STANDBY POWER switch – AUTO Generator drive DISCONNECT switches – Safetied BUS TRANSFER switch – AUTO
CIRCUIT BREAKER and PANEL light controls ...................As desired EQUIPMENT COOLING switches ....................................... NORMAL OFF lights – Extinguished
EMERGENCY EXIT lights switch ........................................... ARMED Guard – Down NOT ARMED light – Extinguished
Passenger signs ....................................................................................Set NO SMOKING switch – AUTO or ON FASTEN BELTS switch – AUTO or ON
Windshield WIPER selector ............................................................. OFF If the windshield wipers are not stowed, place the selector in PARK then OFF.
　
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