737 MAX Flight Crew Operations Manual
Airplane General, Emergency
Equipment, Doors, Windows -
Systems Description
1.40.14
MN-FLT-OH-201
Oxygen System Schematic
(IN EACH SERVICE UNIT)
OXYGEN SOURCE
O
2
LAVATORIES/FWD GALLEY
ATTENDANT STATIONS
O
2
PASSENGER SERVICE UNITS
O
2
OXYGEN MASK
LOW PRESSURE
HIGH PRESSURE
CONDITION: NORMAL
(4 MASKS)
SERVICE
(2 MASKS)
SWITCH
PRESSURE
BAROMETRIC
PORT
DISCHARGE
THERMAL
CYLINDER
OXYGEN
CREW
REDUCER
PRESSURE
CREW
ON
NORMAL
OXYGEN
PASS OXYGEN
PASS OXY
ON
PS1 X 100
OXY PRESS
20
15
10
5
0
UNITS
March 1, 2021