57-22-00
ALL ú ú 01 Page 3 ú Jun 10/88
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
FIXED TRAILING EDGE UPPER PANEL - REMOVAL/INSTALLATION
______________________________________________________
1. General
_______
A. The fixed trailing edge flap is located over the inboard flaps between the inboard spoiler and the side of the body. This procedure has these tasks for the trailing edge panel:
(1)
Removal of the trailing edge panel.
(2)
Installation of the trailing edge panel.
B. These panels are in this procedure:
(1) Fixed trailing edge upper panels.
TASK 57-22-01-014-001
2. Trailing Edge Panel Removal
___________________________
A. References
(1) AMM 57-22-01/501, Fixed Trailing Edge Upper Panel
B. Equipment
(1)
24MIT65B00002 - Safety Lanyard
(2)
G57003-1 Rib Installation Turnbuckle (Supersedes MIT65B13962-1).
(3)
G27001-1 - Spoiler Lock-Out Tool
C. Prepare for Panel Removal
S 214-018
(1) Inspect the panel to see if it must be repaired or replaced (AMM 57-22-01/501).
D. Procedure
S 864-049
WARNING: MAKE SURE ALL PERSONS AND EQUIPMENT ARE CLEAR BEFORE YOU MOVE
_______ THE CONTROL LEVERS. THE SPOILERS CAN RETRACT QUICKLY AND CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(1) Extend the inboard spoilers and install the lockout tools.
S 484-053
WARNING: USE A MAN LIFT TO ATTACH THE SAFETY HARNESS FITTINGS TO THE
_______ RECEPTACLES. MAINTENANCE PERSONS CAN FALL WHICH MAY CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
WARNING: DO NOT WALK ON THE WING UPPER SURFACE WITHOUT A SAFETY HARNESS.
_______ MAINTENANCEE PERSONS CAN FALL WHICH MAY CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
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57-22-01
ALL ú ú 01 Page 401 ú Jun 10/97
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
(2) Attach the Flight Control Safety Lanyard to the wing upper surface.
(AMM 20-11-33/201).
S 864-020
(3) Extend inboard trailing edge flaps.
WARNING:_______ MAKE SURE ALL PERSONS AND EQUIPMENT ARE CLEAR OF THE
TRAILING EDGE FLAPS BEFORE YOU MOVE THE LEVER. WITH THE
HYDRAULIC POWER REMOVED, THE FLAPS WILL MOVE AUTOMATICALLY
BY ELECTRIC POWER WHEN YOU MOVE THE FLAP CONTROL LEVER.
THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
(a) Attach DO NOT TOUCH flaps to spoiler lever, flap lever,
hydraulic pump switches, wing isolation valves and APU air
switch.
S 014-051
CAUTION: YOU SHOULD USE THE RIB INSTALLATION TOOL TO REMOVE ANY
_______ PRE-LOAD IN THE PANEL. THE PARTS CAN SUDDENLY MOVE WHEN THE FASTENERS ARE REMOVED CAUSING DAMAGE TO EQUIPMENT.
(4) Disconnect the upper end of the vertical tie rod of the No. 2 rib near the top of the landing gear beam.
(a) Apply upward pressure to the lower surface of the panel to overcome the weight of the panel and any pre-load caused by deflection of the landing gear beam.
NOTE: Do not adjust the length of the rod because it must stay
____ the same length for the installation.
S 494-022
(5) Install the rib installation tool as shown in Fig. 401.
(a)
Attach the eye-hook of the tool to the upper panel fitting.
(b)
Attach the opposite end of the tool to the unused hole in the torque fitting.
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