(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 cotter pin (6), nut (7), bolt (10), washers (8
 and 9), and end cap (11). 2) Remove the nut (5), washer (4), and the fuse pin (12). 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.
____
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 54-51-02
 ALL  ú CONFIG 3 ú 10N Page 413 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

SEE A
1. UPPER LINK SEE C
2. SIDE LINKS AND MIDSPAR FITTINGS
SEE D
3. DIAGONAL BRACE
SEE C
NO. 2 STRUT SHOWN (NO. 3 STRUT OPPOSITE)
A
Inboard Nacelle Strut Attach Pin/Bolt Installation
Figure 402 (Sheet 1)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 54-51-02
 ALL  ú CONFIG 3 ú 09N Page 414 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
E45402
A
747-400
MAINTENANCE MANUAL

(REF)
DIAGONAL BRACE AFT FUSE PIN (NO. 2 INBOARD STRUT IS SHOWN,
NO. 3 INBOARD STRUT IS OPPOSITE)

DIAGONAL BRACE FORWARD FUSE PIN  (REF)  STRUT FITTING 
(NO. 2 INBOARD STRUT IS SHOWN,  (REF) 
NO. 3 INBOARD STRUT IS OPPOSITE) 
(VIEW IN THE FORWARD DIRECTION)  A-A 

HEAD DIRECTION OPTIONAL
Inboard Nacelle Strut Attach Pin/Bolt Installation
Figure 402 (Sheet 2)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 54-51-02
 ALL  ú CONFIG 3 ú 10N Page 415 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
E45415
A
747-400
MAINTENANCE MANUAL

UPPER LINK AFT ATTACH BOLT
(NO. 2 OUTBOARD STRUT IS SHOWN,
NO. 3 OUTBOARD STRUT IS OPPOSITE)
(TOP VIEW)

(REF)
UPPER LINK FORWARD FUSE PIN
(NO. 2 OUTBOARD STRUT IS SHOWN,
NO. 3 OUTBOARD STRUT IS OPPOSITE)
(VIEW IN THE FORWARD DIRECTION)

Inboard Nacelle Strut Attach Pin/Bolt Installation
Figure 402 (Sheet 3)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 54-51-02
 ALL  ú CONFIG 3 ú 10N Page 416 ú Feb 18/02
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
E45417
A
747-400
MAINTENANCE MANUAL

2. SIDE LINK
SEE E

MIDSPAR FUSE PIN SEE F
FWD
SIDE LINKS AND MIDSPAR FITTINGS D
40. BOLT 35. FUSE PIN
39. WASHER
41.
 WASHER

42.
 WASHER

WING FITTING STRUT
(REF) SIDE LOAD
43. WASHER
FITTING (REF) 44. WASHER
38. WASHER
45. NUT
2. STRUT SIDE LINK 46. COTTER PIN 37. NUT
36. COTTER PIN
ASSEMBLY
SIDE LINK
(NO. 2 STRUT SHOWN, NO. 3 STRUT OPPOSITE)
(2 LOCATIONS EACH STRUT)

E

Inboard Nacelle Strut Attach Pin/Bolt Installation
Figure 402 (Sheet 4)

E45422
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 54-51-02
　
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 NACELLES/PYLONS(25)