GE-CF6-80E1-167

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A330 - ENGINE ATA 71 up 80
GE CF6-80E1 333 of 394
 
 
 
 
 
 
 
 
 
 
 
THRUST REVERSER MANUAL OPERATION
General
Each reverser half may be moved manually to the stow/deploy direction, while
the other half remains in position.
CAUTION: DO NOT EXTEND THE THRUST REVERSER HALF WHEN
THE TRANSLATING COWL IS OPEN TO MORE THAN THE 
34 DEGREE POSITION (FIRST STICK). DAMAGE TO THE 
TRANSLATING COWL OR THE STRUT CAN OCCUR.
Extend (Deploy) Translating Cowl Manually
� open the fan cowling.
� release applicable center drive unit (CDU) brake by pulling brake handle out
and away from the CDU until flat is felt. (about 60�).
� release Independent Lock brake
� remove lockout plate
� Install a 0.25 inch square drive into the manual drive pad and handcrank the
CDU to drive the translating cowl. Do not exceed 10 pound—inches 
(1.1 N.m) running torque to drive the CDU.
CAUTION: EXCESSIVE RUNNING TORQUE TO DRIVE CENTER 
DRIVE UNIT INDICATES POSSIBLE DEFECTIVE THRUST 
REVERSER ACTUATION OR FEEDBACK COMPONENTS.
� engage applicable center drive unit (CDU) brake by pushing the brake
release handle toward the CDU.
� close the Independent Lock brake.
Retract (Stow) Translating Cowl Manually
� open the fan cowling.
� release Independent Lock brake
� remove lockout plate
� Install a 0.25 inch square drive into the manual drive pad and handcrank the
CDU to drive the translating cowl. Do not exceed 10 pound—inches 
(1.1 N.m) running torque to drive the CDU.
� apply and hold finger pressure on the stow ”Rig Indicator” button
� continue to slowly drive the CDU toward STOW until the deepest position of
the stow ”Rig Indicator” button in the groove of the CDU ball screw
actuators has been found.
� check the gap between translating cowl and reverser torque box.
The gap between the reverser torque box support ring and the forward edge
of the translating cowl should be nearly the same, even if the tolerance of
0.060 and 0.150 inch (1.5 3.8 mm) is not exceeded.
� install lockout plate with the square socket outside
� close applicable circuit breakers
� restore airplane to normal.
NOTE: The center drive unit (CDU) brake need not to be open for reverser 
stow operation due to the integrated overrunning clutch. The
Independent locking brakes must be released for both directions,
deploy and stow.
A330 - ENGINE ATA 71 up 80
GE CF6-80E1 334 of 394