(e)
Remove the hinge bolt (54).
(f)
Align the brace and the hinge link (43) with the bolt hole.
(g)
Install the hinge bolt, the washers (41 and 55) and the nut (42).
NOTE: Do not tighten the nut.
____
(h) Align the hinge fitting and the support fitting with the tiebolt hole (Section D-D).
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-51-31
ALL ú ú 01 Page 419 ú Jun 18/00
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
A-A
Fairing No. 1 and 8 Doors Installation Figure 404 (Sheet 1)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-51-31
ALL ú ú 01 Page 420 ú Oct 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
DOORS IN CLOSED POSITION
FAIRING
SECONDARY DOOR
PRIMARY DOOR
B-B
Fairing No. 1 and 8 Doors Installation
Figure 404 (Sheet 2)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-51-31
ALL ú ú 01 Page 421 ú Oct 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL
INCH
ARM
FAIRING FRAME
C-C
Fairing No. 1 and 8 Doors Installation
Figure 404 (Sheet 3)
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú
27-51-31
ALL ú ú 01 Page 422 ú Oct 15/98
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
(i)
Install the tiebolt (1), washers (59 and 61) and nut (60). 1) Install the countersunk washer (61) between the adjustable
rod (16) and tiebolt lock (2). 2) Install the tiebolt clevis parallel to the ground.
(j)
If it is necessary, install the tiebolt lock (2) with the bolt (3), washer (4) and nut (5).
(k)
Tighten the nuts on the No. 1 or 8 hinge bolt to 480-600 pound-inches (54-68 N-m).
(l)
Tighten the nuts on the No. 2 or 7 hinge bolts to 1800-2200 pound-inches (203-249 N-m).
(m)
Tighten the nut on the tiebolt to 350-480 pound-inches (40-54 N-m).
S 494-018
(4)
Install the support equipment (Fig. 402):
(a)
Put the fairing in the handling dolly.
(b)
Attach the fairing with the straps.
(c)
Attach the bootstrap clamp to the flap track.
(d)
Attach the two fishpole hoists to the clamp and the handling dolly.
(e)
Lift the fairing to its position. 1) Make sure the fairing does not turn in the handling dolly. 2) Use the guide ropes to help put the fairing in its
position.
S 424-019
(5)
Install the outboard flap track fairing (Fig. 403):
(a)
Align the fairing and the hinge.
(b)
Install the bushings (46 and 51) on the hinge attach points (A-A).
(c)
Install the washers (47 and 50) on the bolts (48 and 49) and install the bolts with their heads to the flap track web.
(d)
Attach the bolts with washers (44 and 52) and nuts (45 and 53).
(e)
Tighten the 1/2-inch nut (53) to 290-410 pound-inches
(33-46 N-m).
(f)
Tighten the 1/4-inch nut (45) to 30-40 pound-inches
(3.4-4.5 N-m).
(g)
On fairings No. 2 and 7, If the movable fairing was disconnected between the flap track and the fixed drive link, connect the fixed drive link to the flap track (Fig. 403, View C). 1) Slide the link pivot pin (68) through the fitting assembly
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(55)
