3. WASHER
2. BOLT
4.
 CAM TRACK

5.
 BUSHING

FOREFLAP
CARRIAGE CSEE  A  3. WASHER 
8. BOLT 9. WASHER  6. NUT 
A 

FORWARD BOGIE
7. AFT ROLLER SUPPORT
10.
 BOLT

SEE B
11.
 WASHER

8.
 BOLT

9.
 WASHER

FWD
10.
 BOLT A

11.
 WASHER

0.18-0.22 INCH (0.46-0.56 cm)
CARRIAGE
12. WASHERS
17. SUPPORT 13. WASHER PIN 14. NUT
16. BUSHING
15. BUSHING FLAP
TRACK FORWARD BOGIE
A-A
NOTE: ONE-HALF OF THE BOGIE IS SHOWN.THE OTHER HALF IS ALMOST THE SAME BUT OPPOSITE.
Outboard Flap 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
27. WASHER  18.  BOLT  18. BOLT 
(4 LOCATIONS)  19.  BOLT  19. BOLT 
20.  BOLT  20. BOLT 
21. BOLT  21.  BOLT 
26. RADIUS 
FILLER  27. WASHER 
25. WASHER  (4 LOCATIONS) 
(8 LOCATIONS)  WASHER25. 
(8 LOCATIONS) 

24.NUT
24. NUT 22. SHIM
(8 LOCATIONS)(8 LOCATIONS) (8 LOCATIONS)22. SHIM
(8 LOCATIONS)
7.  AFT ROLLER
23. RADIUS FILLER
SUPPORT
7.  AFT ROLLER SUPPORT
TRACK NO. 2 AND 7 TRACK NO. 1 AND 8
B B
32. FAIL-SAFE
28.
BOLT

LINK 33. BOLT
29.
BUSHING

34. WASHER
30. WASHER 35. NUT
31. NUT
36.
 RETAINER MIDFLAP (2 LOCATIONS)

37.
 BOLT

38.
 WASHER

39.
 NUT

40.
 RETAINER (2 LOCATIONS)

46. BOLT
45. WASHER
41. SHIM
FWD
44. WASHER 43.  NUT
42. SHIM
C
Outboard Flap Installation Figure 401 (Sheet 3)
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

TRANSMISSION
47.
 GIMBAL CAP UPSTOP GIMBAL

48.
 RETAINER

UNIVERSAL 49. NUT JOINT
50. WASHER
BALLSCREW NUT
BALL RETURN TUBE

FWD
51. BOLT
BALLSCREW DOWNSTOP DIEMENSION Y SEE D
DIMENSION Y
BALLSCREW NUT
STOP
BALLSCREW DOWNSTOP
D

Outboard Flap Installation
Figure 401 (Sheet 4)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400 MAINTENANCE MANUAL
 S 014-015
 (14)
 Remove the outboard foreflap (AMM 27-51-05/401).

 S 864-016

 (15)
 Make sure that the four midflap tracks will not move into the midflap.

 F.
Remove The Outboard Flap

 S 944-017
 (1) Measure and write down the distance between the ballscrew nut and the ballscrew downstop on each track (Dimension Y, Fig. 401).
 NOTE: This will make it easier to adjust the flap when it is
____
 installed.

 S 494-018
 (2)  Install the support equipment.
 CAUTION: DO NOT PERMIT THE ANGLE BETWEEN THE CENTERLINES OF THE
_______ TRANSMISSION AND THE BALL SCREW TO BE MORE THAN 10 DEGREES. THE TRANSMISSION UNIVERSAL JOINT CAN BE DAMAGED.
 (a)
Install the ball and screw support tool on each track.

 (b)  
Move the sequence carriage forward, away from the carriage.

 (c)  
　
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