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27-51-26
ALL ú ú 01 Page 418 ú Oct 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
FLAP TRACK
5. ADJUSTABLE ROD (3 LOCATIONS)
FIXED FAIRING
C-C
Inboard Fixed Flap Track Fairing Figure 403 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-51-26
ALL ú ú 01 Page 419 ú Oct 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
2) On each rod end, make sure that the rod end threads can be seen through the inspection hole. 3) Tighten the checknuts on the rod ends.
(d)
Install each rod end with a bolt (6), bushing (7), washers (8 and 9) and nut (10).
(e)
Tighten the nuts to 50-70 pound-inches (5.6-7.9 N-m).
(f)
Align the horizontal adjustable rod with the fitting on the fixed fairing and the tiebolt. Adjust the rod ends if it is necessary.
(g)
Install each end of the rod with a bolt, bushing, washers and nut.
(h)
Tighten the nuts to 50-70 pound-inches (5.6-7.9 N-m).
(i)
Install the tiebolt retainers (3).
(j)
On fixed fairings 4 and 5, install the lube fitting on the bracket and attach it with a nut.
(k)
Tighten the nut to 30-50 pound-inches (3.4-5.6 N-m).
(l)
Install the bonding jumper (4).
(m)
Adjust the seal and the seal depressor.
NOTE: Make sure they touch the wing lower surface as shown in
____ Section A-A and Section B-B, Fig. 403.
G. Put The Airplane Back To Its Usual Condition
S 864-025
(1) Pressurize hydraulic system No. 1 (AMM 29-11-00/201).
S 864-033
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 UP detent to retract the flaps.
(3)
Release the pressure in hydraulic system No. 1 (AMM 29-11-00/201).
S 414-028
(4)
Install the access panels as necessary:
S 864-027
-563BB, 563CB, 563DB and 563EB on track No. 3
-561AB, 561BB, 561CB and 561DB on track No. 4
-661AB, 661BB, 661CB and 661DB on track No. 5
-663BB, 663CB, 663DB and 663EB on track No. 6.
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-51-26
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
INBOARD FLAP TRACK FAIRING - ADJUSTMENT/TEST
____________________________________________
1. General_______
A. This section contains one task, the adjustment of an inboard flap track fairing. The procedure has these parts:
(1)
The access panel removal
(2)
The drive rod removal
(3)
The retraction of the flaps
(4)
The adjustment of the linkage, rods, seals and the shims
(5)
An examination of the fairing operation
(6)
The installation of the access panels.
TASK 27-51-26-825-001
2. Adjust The Inboard Flap Track Fairings______________________________________
A. References
(1)
29-11-00/201, Main Hydraulic Supply System
B.
Access
(1) 中國航空網 www.k6050.com 航空翻譯 www.aviation.cn 本文鏈接地址：747-400 AMM 飛機維護手冊 飛行操縱 FLIGHT CONTROLS 5(26)
