Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
Passenger Entry/Galley Service Doors
ASSIST HANDLE
SLIDE PRESSURE GAUGE VIEWER
STOWAGE HOOKS
FLOOR BRACKETS GIRT BAR
PASSENGER CABIN
Oxygen Oxygen Panel
Flight Crew Oxygen (CREW OXYGEN) Pressure Indicator
Indicates pressure at the crew oxygen cylinder.
Passenger Oxygen (PASS OXYGEN) Switch
NORMAL – passenger masks drop and passenger oxygen system is activated automatically if cabin altitude climbs to approximately 14,000 feet
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators 737 Operations Manual
ON – activates system and drops masks if automatic function fails.
Passenger Oxygen On (PASS OXY ON) Light
Illuminated (amber) – passenger oxygen system is activated and masks have dropped.
Flight Crew Oxygen (CREW OXYGEN) Shutoff Valve TURN COUNTERCLOCKWISE - Allows oxygen to flow. TURN CLOCKWISE - Shuts off oxygen flow.
Copyright . The Boeing Company. See title page for details.
1.30.16 December 6, 2002
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
737 Operations Manual
Oxygen Mask Panel
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators 737 Operations Manual
RESET TEST Switch
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, turns oxygen off.
Oxygen Flow Indicator
Indicates a yellow cross when oxygen is flowing.
Oxygen Mask Release Levers
Squeeze and pull –
.
releases mask from stowage box
.
initiates oxygen flow when stowage box doors open
.
inflates mask harness when right lever is squeezed
.
flow indicator shows a yellow cross momentarily as harness inflates
Copyright . The Boeing Company. See title page for details.
1.30.18 August 1, 2003
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
737 Operations Manual
Oxygen Mask and Regulator
1
HARNESS (shown inflated)
1
GOGGLES
MASK
MICROPHONE
REGULATOR
CAPTAIN’S / FIRST OFFICER’S SIDEWALL
2 1
HARNESS (shown inflated)
MASK
MICROPHONE REGULATOR
1 As installed
CREWMEMBER STATION
1 NORMAL/100% Switch
N (normal) – supplies air/oxygen mixture on demand (ratio depends on cabin
altitude).
100% – supplies 100% oxygen on demand.
2 Oxygen Mask EMERGENCY/Test Selector (rotary)
Rotate – supplies 100% oxygen under positive pressure at all cabin altitudes. PRESS TO TEST – tests positive pressure supply to regulator.
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
Forward Airstairs (as installed)
Interior and Exterior Controls
LIGHTS Switch
AUTO – the airstair tread lights illuminate automatically upon airstair extension
and extinguish upon retraction.
ON – illuminates the airstair tread lights.
OFF – airstair tread lights extinguish.
Normal Control Switch
Note: AC and DC electrical power must be available on airplane.
RETRACT – retracts the airstair. The handrail extensions must be stowed prior to
retracting the airstair. EXTEND – extends the airstair.
STAIRS Operating Light
Illuminated (amber) – indicates the airstair is in transit.
STANDBY Control Switch Note: Switch must be held in while using EXTEND or RETRACT. Battery switch must be ON. For airplanes delivered prior to November, 1991, 115V AC electrical power must be available. Extend – extends the airstair. Retract – retracts the airstair.
Copyright . The Boeing Company. See title page for details.
1.30.20 December 6, 2002
Airplane General, Emergency Equipment, Doors, Windows -Controls and Indicators
737 Operations Manual
CAUTION: Use of standby bypasses all safety circuits. Airstair handrail extensions must be stowed, or substantial damage could result.
Exterior Control Handle
Rotate clockwise – airstair extends.
Rotate counterclockwise – airstair retracts.
Control Handle Release
Push – extends the exterior control handle.
NORMAL/STANDBY Switch
(spring–loaded to NORMAL)
NORMAL – requires both AC and DC power.
STANDBY – requires DC power.
