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notch helps you align the aft plug during installation.
The leading edge flaps can extend and damage a T/Rs half
when the half is in the open (maintenance) position. Follow the
AMM procedures to prevent leading edge flaps operation.
T/R halves in the open position can also damage the leading
edge flaps if you deploy the T/R.
WARNING: DO THE DEACTIVATION PROCEDURE TO
PREVENT THE OPERATION OF THE THRUST
REVERSERS. THE ACCIDENTAL OPERATION OF
THE THRUST REVERSER CAN CAUSE INJURIES
TO PERSONS AND DAMAGE TO EQUIPMENT.
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CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
General
The thrust reverser (T/R) system has these subsystems:
* Thrust reverser
* Control
* Indicating.
Thrust Reverser System
The T/R system controls the direction of engine fan air exhaust
for forward and reverse thrust.
Reverse thrust helps decrease the speed of the airplane after
landing or during a rejected take off (RTO).
T/R Control System
The T/R control system controls electrical and hydraulic power
to the T/R system.
T/R Indicating System
The T/R indicating system supplies T/R system and T/R control
system indication in the flight compartment.
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CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
General
The thrust reverser (T/R) system has these subsystems:
* Thrust reverser system
* Thrust reverser control system
* Thrust reverser indicating system.
Thrust Reverser System
The T/R system changes the direction of the fan air exhaust to
help decrease the speed of the airplane after landing or during
a rejected takeoff (RTO).
The T/R system has two thrust reversers. T/R 1 is the thrust
reverser for engine 1 (left). T/R 2 is the thrust reverser for
engine 2 (right).
Each T/R has a left and right half. Each half has a translating
sleeve which moves aft for reverse thrust. The sleeves work at
the same time, but are independent from each other. Three
hydraulic actuators move each sleeve. Rotary flex shafts make
sure that the hydraulic actuators extend and retract at the same
rate.
T/R Control System
The T/R control system lets you deploy the T/R when the
airplane is less than 10 feet (3 meters) from the ground. You
give a deploy signal to the control system when you raise a
reverse thrust lever.
You supply a stow signal when you return the reverse thrust
lever to the stow position.
The T/R control valve module controls hydraulic power to the
hydraulic actuators. The reverse thrust lever operates the
switches necessary to send a deploy or stow signal to the T/ R
control valve module.
The sync locks prevent the operation of the hydraulic actuators
when there is no deploy signal.
The primary purpose of the engine accessory unit (EAU) is to
control the T/R stow operation. The EAU supplies front panel
built-in-test equipment (BITE) to help you do troubleshooting of
the control system. The EAU uses two T/R proximity sensors for
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