S 864-014
(3)
Do this task to depressurize hydraulic system No. 4: "Hydraulic System Depressurization" (Ref 29-11-00/201).
S 024-015
(4)
Remove the fixed drive link (Fig. 401):
(a)
Hold the outboard flap track fairing in the extended position.
(b)
Disconnect the fixed drive link from the adjustable rod (Section B-B): 1) Remove the bolt, washers and nut from the fixed drive link. 2) Remove the bushings from the fixed drive link.
(c)
Disconnect the drive rod from the fixed drive link (Detail B): 1) Remove the bolt, washer and nut from the fixed drive link. 2) Remove the bushing from the fixed drive link.
(d)
Disconnect the fixed drive link from the support fitting: 1) Remove the bolt, washers and nut from the fixed drive link.
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747-400 MAINTENANCE MANUAL
2) Remove the bushings from the fixed drive link.
(e)
Remove the fixed drive link from the attachment fitting (Section C-C): 1) Remove the bolt, washers and nut that attach the pin to the
attachment fitting. 2) Remove the pin from the attachment fitting and the fixed drive link.
(f)
Remove the fixed drive link.
TASK 27-51-45-004-017
5. Outboard Flap Track Fairing Drive Rod Removal_____________________________________________
A. References
(1)
29-11-00/201, Main Hydraulic Supply System
B.
Access
(1)
Location Zone 567 Outboard Flap Track Fairing, Outboard Flap, LH, (Track No. 1) 565 Inboard Flap Track Fairing, Outboard Flap, LH, (Track No. 2) 665 Inboard Flap Track Fairing, Outboard Flap, RH, (Track No. 7)
667 Outboard Flap Track Fairing, Outboard Flap, RH, (Track No. 8)
C. Procedure
S 864-018
(1) Do this task to pressurize hydraulic system No. 4: "Hydraulic System Pressurization" (Ref 29-11-00/201).
S 864-060
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 outboard flaps and attach a DO-NOT-MOVE tag.
S 864-020
(3)
Do this task to depressurize hydraulic system No. 4: "Hydraulic System Depressurization" (Ref 29-11-00/201).
S 024-021
(4)
Remove the drive rod (Fig. 401):
(a)
Hold the outboard flap track fairing in the extended position.
(b)
Remove the drive rod from the midflap fitting (Section E-E): 1) Remove the bolt, washers and nut from the midflap fitting. 2) Remove the drive rod from the midflap fitting.
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747-400 MAINTENANCE MANUAL
3) Remove the bushings from the midflap fitting.
(c) Remove the drive rod from the fixed drive link (Detail B): 1) Remove the bolt, washers and nut from the fixed drive link. 2) Remove the drive rod. 3) Remove the bushing from the fixed drive link.
TASK 27-51-45-004-022
6. Outboard Flap Track Fairing Attachment Fitting Removal______________________________________________________
A. References
(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(151)
