737 MAX Flight Crew Operations Manual
Landing Gear -
System Description
14.20.8
MN-FLT-OH-201
SYSTEMS
NORMAL INFLIGHT
OPERATION
NORMAL ON GROUND
OPERATION
REFER
TO CH
Wing
Anti–ice
Control valves open
when switch is ON.
Thrust setting and duct
temperature logic is
bypassed.
With switch ON, valves
cycle open and closed.
Switch trips to OFF at
lift–off.
3
Autothrottle
Enables go–around
below 2000 ft radio
altitude.
Disengaged 2 seconds
after landing. Takeoff
mode enabled.
4
TO/GA
switch
Flight director engages
go–around mode.
Flight director engages
takeoff mode.
4
ACARS
Sends out signal on strut
extension for takeoff
signal.
Sends out signal on strut
compression for landing
signal.
5
Voice
Recorder
Prevents tape erasure.
Allows tape erasure when
parking brake is set.
5
Engine Idle
Control
Enables minimum flight
idle.
Enables minimum ground
idle.
7
Thrust
Reverser
Thrust reverse disabled. Thrust reverse enabled.
7
APU Fire
Horn
Wheel well horn
disabled.
Wheel well horn enabled. 8
Cargo Fire
Protection
Second extinguishing
bottle timer enabled.
Second extinguishing
bottle timer disabled.
8
Speed Brake
Lever
Actuator
Can be armed to raise
ground spoilers for
landing.
Activates SPEED
BRAKE lever on landing
if armed. Rejected
take–off feature available.
Drives to DOWN when
thrust lever advanced.
9
Auto Slat
System enabled with
flaps 1, 2, 5, 10, 15 or 25
selected. PTU available
if system B pressure is
lost.
System disabled.
9
March 1, 2021