737 MAX Flight Crew Operations Manual
Engines, APU -
Engine System Description
MN-FLT-OH-201
7.20.11
Engine Start and Ignition System Schematic
N2 ROTATION BELOW STARTER CUTOUT SPEED.
ENGINE BEING STARTED
CONDITION:
FUEL
BLEED AIR
AIR SYSTEM
FROM BLEED
AIR DRIVEN
STARTER
ENGINE START
R
IGN
L
IGN
BOTH
CONT
FLT
OFF
GRD
1
CONT
OFF
GRD
FROM FUEL
SYSTEM
RELAY
HOLDING
SWITCH
HIGH
SWITCH
CUTOUT
STARTER
IGNITER
RIGHT
FLT
COMBUSTOR
VALVE
START
ENGINE
BLEED
VALVE
IGNITER
LEFT
ENGINE
ELECTRONIC
CONTROL
N2
N
2
LOW
N
2
AIR
S
FMU
START VALVE
OPEN
1 2
IDLE
CUTOFF
March 1, 2021