C.
Prepare to Adjust the Center Locking Hydraulic Actuator
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////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
SEEA SEEB
SEE D TORQUE BOX (REF)
LOCK LEVER
FLEXSHAFT (REF)
LINE (REF) HYDRAULIC RETRACT
A
Figure 501 (Sheet 1) Center Locking Hydraulic Actuator Rod End Gap - Adjustment
E65658
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ROD END CLEARANCE FOR THE CENTER
LOCKING HYDRAULIC ACTUATOR
Center Locking Hydraulic Actuator Rod End Gap - Adjustment
Figure 501 (Sheet 2)
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E65659
////////////////////////A / PW4000 SERIES /747-400 / ENGINES /MAINTENANCE MANUAL ////////////////////////
Center Locking Hydraulic Actuator Rod End Gap - Adjustment
Figure 501 (Sheet 3)
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E65661
S 045-004-N00
WARNING:_______ DO THE DEACTIVATION PROCEDURE FOR THE SPEED BRAKE CONTROL
SYSTEM. IF YOU DO NOT DO THIS, THE SPOILERS CAN MOVE QUICKLY
WHEN YOU MOVE THE THRUST LEVERS. THIS CAN CAUSE INJURY TO
PERSONS AND DAMAGE TO EQUIPMENT.
(1)
Do the deactivation procedure for the Speed Brake Control System (AMM 27-62-00/201).
S 215-005-N00
(2)
Make sure the forward thrust levers are in the idle position and the reverse thrust levers are fully forward.
(a) Install the DO-NOT-OPERATE tags on the forward and reverse thrust levers.
S 045-006-N00
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 OR DAMAGE TO EQUIPMENT.
(3) Do the deactivation procedure for the thrust reverser for ground maintenance (AMM 78-31-00/201).
S 045-007-N00
WARNING: DO THE DEACTIVATION PROCEDURE TO PREVENT THE OPERATION OF THE
_______ LEADING EDGE FLAPS. THE ACCIDENTAL OPERATION OF THE LEADING EDGE FLAPS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(4)
Do the deactivation procedure for the drive circuit of the leading edge flaps (AMM 27-81-00/201).
S 015-008-N00
(5)
Open the fan cowl panels (AMM 71-11-04/201).
S 015-009-N00
(6)
Manually extend the thrust reverser (AMM 78-31-00/201).
(a) Make sure the thrust reverser sleeve is approximately one to two inches to the rear in the deployed direction.
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