663 Outboard Flap Track Fairing, Inboard Flap, RH, (Track No. 6)
C. Procedure
S 864-020
(1) Do this task to pressurize hydraulic system No. 1: "Pressurize Hydraulic Systems" (AMM 29-11-00/201).
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27-51-44
ALL ú ú 01 Page 408 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
S 864-071
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.
(2)
Put the flap control lever in the 30-unit detent to extend the inboard flaps and attach a DO-NOT-MOVE tag.
S 864-022
(3)
Do this task to depressurize hydraulic system No./1: "Depressurize Hydraulic Systems" (AMM 29-11-00/201).
S 494-023
(4)
Hold the inboard flap track fairing in the extended position.
S 024-024
(5)
Remove the drive rod (Fig. 401):
(a)
Remove the bolt, washers and nut that attach the drive rod to the midflap fitting (Section F-F).
(b)
Remove the bushings from the midflap fitting.
(c)
Remove the bolt, washers and nut that attach the drive rod to the fixed drive link (Section A-A).
(d)
Remove the bushings from the fixed drive link.
(e)
Remove the drive rod.
TASK 27-51-44-004-025
6. Inboard Flap Track Fairing Midflap Fitting Removal__________________________________________________
A. References
(1)
AMM 29-11-00/201, Main Hydraulic Supply System
B.
Access
(1)
Location Zones 563 Outboard Flap Track Fairing, Inboard Flap, LH, (Track No. 3) 561 Inboard Flap Track Fairing, Inboard Flap, LH, (Track No. 4) 661 Inboard Flap Track Fairing, Inboard Flap, RH, (Track No. 5)
663 Outboard Flap Track Fairing, Inboard Flap, RH, (Track No. 6)
C. Procedure
S 864-026
(1) Do this task to pressurize hydraulic system No. 1: "Pressurize Hydraulic Systems" (AMM 29-11-00/201).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-51-44
ALL ú ú 01 Page 409 ú Oct 18/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
S 864-072
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.
(2)
Put the flap control lever in the 30-unit detent to extend the inboard flaps and attach a DO-NOT-MOVE tag.
S 864-028
(3)
Do this task to depressurize hydraulic system No./1: "Depressurize Hydraulic Systems" (AMM 29-11-00/201).
S 494-029
(4)
Hold the inboard flap track fairing in the extended position.
S 024-030
(5)
Remove the midflap fitting (Fig. 401):
(a)
Disconnect the drive rod from the midflap fitting (Section F-F): 1) Remove the bolt, washers and nut that connect the drive rod
to the midflap fitting. 2) Move the drive rod from the midflap fitting. 3) Remove the bushing from the midflap fitting.
(b)
Remove the midflap fitting from the midflap (Detail B): 1) Remove the bolts and washers from the midflap fitting. 2) Remove the shims and the spacers from the midflap. 3) Measure and write down the thickness of the shims.
TASK 27-51-44-004-031
7. Inboard Flap Track Fairing Attachment Fitting Removal_____________________________________________________
A. References
(1)
AMM 29-11-00/201, Main Hydraulic Supply System
B.
Access
(1) 中国航空网 www.aero.cn 航空翻译 www.aviation.cn 本文链接地址：747-400 AMM 飞机维护手册 飞行操纵 FLIGHT CONTROLS 5(144)
