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ALL ú CONFIG 3 ú 10N Page 423 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
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747-400
MAINTENANCE MANUAL
58.
WASHER
59.
NUT A-A
Outboard Nacelle Strut Attach Pin/Bolt Installation
Figure 403 (Sheet 6)
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747-400 MAINTENANCE MANUAL
(d) ON OUTBOARD STRUTS; Do these steps (Fig. 403): 1) Remove the nuts, washers, and bolts that attach the fuse
pin retainer (7A) to the bracket, and remove the retainer. 2) Remove the cotter pin (8), nut (9), bot (6), and two washers (5 and 10). 3) Remove the two end caps (4 and 11), and the fuse pin (7). a) If you will not remove the strut, push out the pin with a greased brass slug.
NOTE: Make sure the clevis and the lug stay aligned.
____
S 024-002-003
(2) Remove the diagonal brace forward attach pin/bolt.
(a)
Make sure that the upper link and both midspar/spring beam fuse pins are installed.
(b)
If you will remove the diagonal brace, do these steps:
1) If you remove the diagonal brace this same brace or a new brace with the same center-to-center distance must be installed on the strut and airplane where it was removed. a) Tag the brace with the airplane number and strut
location or make sure that this information is marked on the brace.
(c) ON INBOARD STRUTS; Do these steps (Fig. 402): 1) Remove the nuts, washers, and bolts that attach the fuse
pin retainer (16A) to the bracket, and remove the retainer. 2) Remove the cotter pin (18), nut (17), bolt (15), and two washers (14 and 19).
3) Remove the two end caps (13 and 20) and remove the hollow pin (16). a) If you will not remove the strut, push out the pin with
a greased brass slug.
NOTE: Make sure the clevis and the lug stay aligned.
____
(d) ON OUTBOARD STRUTS; Do these steps (Fig. 403): 1) Remove the two screws that attach each of the two access
plate assemblies to gain access to the forward diagonal brace attach bolt. 2) Remove the cotter pin (16), nut (17), bolt (14), and two washers (15 and 18).
3) Remove the nut (19), two washers (12 and 20), and the attach bolt (13). a) If you will not remove the strut, push out the attach
bolt with a greased brass slug.
NOTE: Make sure the clevis and the lug stay aligned.
____
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747-400 MAINTENANCE MANUAL
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(3) Remove the upper link aft attach bolt.
NOTE: To make installation easier, keep the parts from this
____ assembly together. If it is necessary, tag each component to identify the assembly location.
(a)
Remove the nuts, washers, and bolts that attach the bolt retainer (22A) to the bracket, and remove the retainer.
(b)
Remove the cotter pin (25), nut (24), and two washers (21 and 23), and remove the attach bolt (22). 1) If you will not remove the strut, push out the bolt with a
greased brass slug.
NOTE: Make sure the clevis and the lug stay sligned.
____
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(4) Remove the upper link forward fuse pin.
(a)
Remove the cotter pin (31), nut (30), bolt (28), two washers (29 and 32), and end cap (27).
(b)
Remove the nut (33), washer (34), and fuse pin (26).
1) If you will not remove the strut, push out the pin with a greased brass slug.
NOTE: Make sure the clevis and the lug stay aligned.
____
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(5) Remove the side link attach pin/bolt.
NOTE:____There are two pairs of side links for each strut. The removal is the same for each pair.
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