32-11-03
 ALL  ú ú 01 Page 402 ú Oct 18/99 
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. 
A 
747-400 MAINTENANCE MANUAL 
TRUNNION FORK 
SEE A 
1.  LOCKBOLT 
SEE C 
37.  SPECIAL 
NUT SEE B 
2.  
WASHER
3.  
NUT
12.  TRUNNION 
4.  TANG WASHER 
BOLT 
5.  STOP FITTTING 
11. LUBRICATION INSERT 6. ANTIROTATION BOLT 
7.  
WASHER
8.  
NUT
9.  
DRAG BRACE
10.  
O-RINGS
A 
13.  
SPECIAL NUT
14. 
LOCKBOLT
9.  DRAG BRACE 
29.  COTTER PIN 
15. SPHERICAL28. NUT26. SLEEVE BEARING 
27.  WASHER  
39.  BUSHINGS  
21. O-RINGS  1  
25.  NEEDLE  20. LUBRICATION  38. WASHER  
BEARINGS  INSERT  16. KEY WASHER  
24. UPLOCK  
23. ROLLER  DRAG  22. UPLOCK  19. BEARING NUT  17.  WASHER  
BRACE  ROLLER  B  18.  NUT  
PIN  BOLT 
1 
NOT FOR ALL AIRPLANES, THESE BUSHINGS ARE NEEDED ONLY FOR THE SMALLER SPHERICAL BEARING 
Wing Landing Gear Drag Brace Installation Figure 401 (Sheet 1) 
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 32-11-03
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. 
A 
747-400 
MAINTENANCE MANUAL
(4 LOCATIONS)
35.  NUT (4 LOCATIONS) 
INBOARD DOOR CLAMP FITTING ASSEMBLY
A-A
Wing Landing Gear Drag Brace Installation 
Figure 401 (Sheet 2)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details. 
A 
747-400 MAINTENANCE MANUAL
 (b)  
Remove the special nut (13).
 (c)  
Pull the drag brace pin (23) with the lubrication insert (20) through the connection.
 NOTE: The drag brace will hang from the top connection.
____
 S 034-045
 (8)  Remove the spherical bearing (15).
 NOTE: The removal of the spherical bearing (15) is optional.
____ It is not necessary to remove the spherical bearing (15) to remove the drag brace (9).
 (a)  
Remove the bearing nut (19) and the key washer (16).
 (b)  
Pull the spherical bearing (15) from the drag brace (9).
 S 494-047
 (9)  
Hold the drag brace (9) with the hoist and a sling.
S 034-010
 (10)
 Remove the nut (8), the washer (7), and the antirotation bolt (6) from the top of the drag strut (9).
S 034-011
 (11)
 Remove the trunnion bolt (12).
 (a)  
Remove the nut (3), the washer (2), and the lockbolt (1).
 (b)  
Remove the special nut (37) with the tang washer (4).
 (c)  
Pull the trunnion bolt (12) with the lubrication insert (11) from the connection.
 S 024-012
 (12)
 Remove the drag brace (9) from the airplane.
S 034-060
 (13)
 Remove the stop fitting (5) from the top of the drag brace.
 TASK 32-11-03-404-014
 3. Wing Landing Gear Drag Brace Installation (Fig. 401)
_________________________________________
 A. Special Tools and Equipment
 (1)  
8ME65B00161-1 - Wing Gear Drag Brace Support Strap
 (2)  
MIT65B01218 - Bearing Retainer Nut Torque Adapter
 (3)  
F70312-18 Wrench from Crowfoot Wrench Kit for Upper Trunnion Bolt
 (4)  
F70312-22 - Wrench from Crowfoot Wrench Kit for Drag Brace Pin
 (5)  
9PRE65B00161-1 - Wing Landing Gear Upper Trunnion Bolt Thread Protector
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