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时间:2011-04-12 10:07来源:蓝天飞行翻译 作者:航空
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 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
 ALL  ú ú 01 Page 403 ú Feb 10/95
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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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 32-11-03
 ALL  ú ú 01 Page 404 ú Oct 18/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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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