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to the hydraulic reservoir.
Gimbal Assembly
A gimbal assembly attaches the head end of each hydraulic
actuator to the aft side of the torque box. You must move the
translating sleeves aft to get access to the gimbal assembly.
Sync Shaft and Tubing Connections
The sync shafts connect the drive mechanisms of the actuators
together. The shafts are inside of the deploy hydraulic tubing
which connects to the extend pressure port. The sync shaft
connection is at the pressure port.
Training Information Point
All non-locking type actuators are interchangeable. All locking
type actuators are interchangeable.
CAUTION: DO NOT PERMIT THE ACTUATOR ROD END TO
TURN OR BE TURNED WHEN YOU HANDLE THE
ACTUATOR. DAMAGE TO THE INTERNAL
FEEDBACK MECHANISM CAN OCCUR.
THRUST REVERSER - HYDRAULIC ACTUATORS - FUNCTIONAL DESCRIPTION
EFFECTIVITY
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D633A101-GUN Feb 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
78-31-00-019
THRUST REVERSER - HYDRAULIC ACTUATORS - FUNCTIONAL DESCRIPTION
THRUST REVERSER - HYDRAULIC ACTUATORS - FUNCTIONAL DESCRIPTION
EFFECTIVITY
GUN ALL 78-31-00
Page 19
D633A101-GUN Feb 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
78-31-00-019
Purpose
The cascades control the direction of the fan air exhaust during
a T/R deploy operation. This helps create reverse thrust. The
cascades also give structural strength to the T/R.
General
Each T/R has 12 cascades. Numbers identify the cascade
locations. T/R 1 cascade numbers increase clockwise when
looking forward. T/R 2 cascade numbers increase counter
clockwise when looking forward.
Location
Bolts attach the cascades to the torque box on the forward edge
and to the cascade support ring on the aft edge.
You deploy the T/R to get access to the cascades.
Physical Description
The cascades are graphite epoxy.
There are 22 different cascade (part numbers) for each
airplane. Each type causes the fan air exhaust airflow to go
out in a different direction. Cascades 2 and 3 are partially
blocked on each T/Rs. These cascades do not let air go through
a portion of their vanes.
Training Information Point
The T/R sleeves must be in the deploy position to inspect,
remove or install the cascades.
WARNING: DO THE DEACTIVATION PROCEDURE TO
PREVENT THE OPERATION OF THE THRUST
REVERSER. THE ACCIDENTAL OPERATION OF
THE THRUST REVERSER CAN CAUSE INJURIES
TO PERSONS AND DAMAGE TO EQUIPMENT.
THRUST REVERSER - CASCADE SEGMENTS
EFFECTIVITY
GUN ALL 78-31-00
Page 20
D633A101-GUN Feb 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
78-31-00-005
THRUST REVERSER - CASCADE SEGMENTS
THRUST REVERSER - CASCADE SEGMENTS
EFFECTIVITY
GUN ALL 78-31-00
Page 21
D633A101-GUN Feb 10/2006
BOEING PROPRIETARY - Copyright#- Unpublished Work - See title page for details.
CFM56 ENGINES (CFM56-7) 737-600/700/800/900 AIRCRAFT MAINTENANCE MANUAL
78-31-00-005
Purpose
The blocker doors change the direction of the fan air exhaust
flow during a T/R deploy operation.
The blocker doors make part of the fan duct outer wall when the
T/R is in the stow position.
The blocker door drag links connect the blocker doors to the fan
duct inner wall.
Location
The blocker doors are part of the translating sleeve. They are
usually smooth with the inner contour of the translating sleeve.
The blocker door drag links are in the fan duct.
Physical Description
Each translating sleeve has five graphite-epoxy blocker doors.
There are three different sizes of blocker doors on each sleeve.
Two hinges connect each blocker door to the forward end of the
inner sleeve. The blocker door drag links connect the blocker
doors to the fan duct inner wall. A cover goes over the drag link
to blocker door attachment. Numbers identify blocker door
location.
Functional Description
Each translating sleeve moves aft during a T/R deploy
operation. This movement causes the blocker doors to move
into the fan duct. The fan air exhaust changes direction and
exits through the cascades. This helps create reverse thrust.
Training Information Point
You must move the translating sleeve aft to inspect or work on
the blocker door and the blocker door drag links.
　
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