YA801 - YA809
Copyright . The Boeing Company. See title page for details.
1.30.14 June 1, 2003
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
737 Flight Crew Operations Manual
YC411, YC413
ENTRY FWD SERVICE FWD
STAIR AIR OVERWING LEFT FWD OVERWING RIGHT FWD CARGO FWD
EQUIP OVERWING LEFT AFT OVERWING RIGHT AFT CARGO AFT
ENTRY AFT SERVICE AFT
Copyright . The Boeing Company. See title page for details.
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators 737 Flight Crew Operations Manual
YC153, YC154, YK101 - YK104
Copyright . The Boeing Company. See title page for details.
1.30.16 June 1, 2005
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
737 Flight Crew Operations Manual
YD651 - YD655
ENTRY FWD SERVICE FWD
OVERWING LEFT FWD OVERWING RIGHT FWD CARGO FWD
EQUIP OVERWING LEFT AFT OVERWING RIGHT AFT CARGO AFT
ENTRY AFT SERVICE AFT
Exterior Door Annunciations
Illuminated (amber) – related door is not closed and locked.
Overwing Exit Annunciations
Illuminated (amber) –.
.
related overwing exit is not closed and locked
.
related flight lock failed to engage when commanded locked.
Copyright . The Boeing Company. See title page for details.
INSTRUCTION SLIDE STOWAGE HOOKS PLACARD COMPARTMENT
CONTROL HANDLE SLIDE PRESSURE GAUGE VIEWER ASSIST HANDLE FLOOR BRACKETS
GIRT PASSENGER CABIN GIRT BAR
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators 737 Flight Crew Operations Manual
Passenger Entry/Galley Service Doors
Oxygen Oxygen Panel
Flight CREW OXYGEN Pressure Indicator
Indicates pressure at the crew oxygen cylinder.
Passenger Oxygen (PASS OXYGEN) Switch
NORMAL – (guarded position) passenger masks drop and passenger oxygen system activated automatically if cabin altitude climbs to 14,000 feet
Copyright . The Boeing Company. See title page for details.
1.30.18 June 1, 2005
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
737 Flight Crew Operations Manual
ON – activates system and drops masks if automatic function fails.
Passenger Oxygen On Light
Illuminated (amber) – passenger oxygen system is operating and masks have dropped.
Oxygen Mask Panel
YA626, YA801 - YA809, YC411 - YK104
Oxygen Flow Indicator
Indicates a yellow cross when oxygen is flowing.
RESET/TEST Switch
Push –
.
if mask is stowed, activates oxygen flow momentarily to test regulator
.
if mask is not stowed and stowage box doors are closed, retracts OXY ON flag, shuts off oxygen, and shuts off microphone.
Copyright . The Boeing Company. See title page for details.
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators 737 Flight Crew Operations Manual
Oxygen Mask Release Lever
Squeeze and pull up –
.
releases mask from stowage box
.
releases OXY ON flag when stowage box doors open
.
initiates oxygen flow
.
inflates mask harness when inflation lever is squeezed
.
flow indicator shows a yellow cross momentarily as harness inflates. YA613, YA686 - YA722, YC153, YC154
Oxygen Flow Indicator
Indicates a yellow cross when oxygen is flowing.
Copyright . The Boeing Company. See title page for details.
1.30.20 June 1, 2005
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
737 Flight Crew Operations Manual
TEST/RESET Switch
YA721, YA722, YC153, YC154 Push –
.
if mask is stowed, activates oxygen flow momentarily to test regulator
.
if mask is not stowed and stowage box doors are closed, retracts OXY ON flag, shuts off oxygen, and shuts off microphone.
YA613, YA686, YA687 Push –
.
with the left oxygen mask panel door closed and the OXY ON flag not
displayed, turns oxygen on momentarily to test the regulator
.
with the left oxygen mask panel door closed and the OXY ON flag
displayed will turn oxygen off and disable the mask microphone and
enable the boom microphone.
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