B. References
(1)
AMM 27-81-00/201 Leading Edge Flaps
(2)
AMM 54-62-00/201 Nacelle Strut Access Panels
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747-400
MAINTENANCE MANUAL
C. Access
(1) Location Zone
452 Nacelle Strut 1 - Torque Box
462 Nacelle Strut 2 - Torque Box
472 Nacelle Strut 3 - Torque Box
482 Nacelle Strut 4 - Torque Box
D. Procedure
S 493-023
WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE AND TE
_______ FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAP CONTROL LEVER. WITH HYDRAULIC POWER REMOVED, THE FLAPS WILL MOVE AUTOMATICALLY BY ELECTRICAL POWER WHEN YOU MOVE THE FLAP CONTROL LEVER. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE LE FLAP SAFETY LOCK. THE LE FLAPS CAN MOVE QUICKLY IF YOU DO NOT INSTALL THE SAFETY LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
(1)
Do this task: Leading Edge Flap Retraction and Safety Lock
Installation (AMM 27-81-00/201).
S 643-039
(2)
Put grease into the lubrication fitting of the pivot bearing on the spring beam.
S 093-040
CAUTION: REMOVE ALL OF THE TOOLS, LOOSE AND UNWANTED MATERIAL IN THE
_______
STRUT. THESE COULD BLOCK THE STRUT DRAIN SYSTEM.
(3)
Remove the tools, and loose unwanted material from the strut before you install the access doors.
(4)
Install the access doors (AMM 54-62-00/201).
S 413-041
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747-400 MAINTENANCE MANUAL
S 093-042
WARNING:_______ MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE LE AND TE
FLAPS AND FLAP DRIVE MECHANISMS BEFORE YOU MOVE THE FLAP
CONTROL LEVER. WITH HYDRAULIC POWER REMOVED, THE FLAPS WILL
MOVE AUTOMATICALLY BY ELECTRICAL POWER WHEN YOU MOVE THE FLAP
CONTROL LEVER. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO
EQUIPMENT.
WARNING:_______ YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO REMOVE THE
LE FLAP SAFETY LOCK. THE LE FLAPS CAN MOVE QUICKLY IF YOU DO
NOT DO THE STEPS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS
OR DAMAGE TO EQUIPMENT.
(5) Do this task: Safety Lock Removal and Leading Edge Flap Retraction (AMM 27-81-00/201).
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747-400 MAINTENANCE MANUAL
CASTERS - SERVICING
___________________
1. General_______
A. There is one task in this procedure. The task tells to lubricate the bearings which are installed in casters. The casters are installed in trays which are attached to the floor on the main deck.
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