S 494-012
 CAUTION: MAKE SURE THE ANGLE BETWEEN THE TRANSMISSION AND THE BALL SCREW
_______ CENTERLINES IS NOT MORE THAN 10 DEGREES. YOU CAN CAUSE DAMAGE TO THE UNIVERSAL JOINT.
 (2) Install the ball and screw support tool to hold the ball screw.
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747-400
MAINTENANCE MANUAL

INBD FWD  ASEE TE FLAPS INBOARD  BSEE TE FLAPS OUTBOARD  SEE  E  SEE  D  MIDFLAP 
SEE  E  SEE  F 
SEE  D 
SEE  F 
FWD 
INBD TORQUE TUBE TRANSMISSION  A INBOARD TE FLAPS 
BALL SCREW 
FWD  SEE  E  SEE  C MIDFLAP 
INBD  B OUTBOARD TE FLAPS  SEE  F 

Trailing Edge Flap Attach Fitting Installation
Figure 402 (Sheet 1)

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M03101
A
747-400 MAINTENANCE MANUAL
TRANSMISSION
SEE G
15. FITTING ASSEMBLY
1. RETAINER (4 LOCATIONS) KEY
2.
 NUT (4 LOCATIONS)

3.
 GIMBAL CAP

UNIVERSAL (4 LOCATIONS)JOINT 5. BALL SCREW
BALL SCREW
NUT  DOWNSTOP 
FWD  TUBE BALL RETURN 
4. WASHER 
(4 LOCATIONS) 
INBD  6. BOLT 
TE FLAP ATTACH FITTING  (4 LOCATIONS) 
(OUTBOARD FLAPS) 
C 

TRANSMISSION
SEE H
7.  NUT MIDFLAP (4 LOCATIONS)KEY
8.  WASHER (4 LOCATIONS)
21. FITTING ASSEMBLY
3. GIMBAL CAP UNIVERSAL JOINT 5. BALL SCREW
BALL SCREW NUT
BALL RETURN TUBE DOWNSTOP
4. WASHER FWD (4 LOCATIONS)
6.  BOLT (4 LOCATIONS)
INBD
TE FLAP ATTACH FITTING (INBOARD FLAPS)
D
Trailing Edge Flap Attach Fitting Installation Figure 402 (Sheet 2)
M03107
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747-400
MAINTENANCE MANUAL

FOR OUTBOARD FLAPS 
0.365 |0.05 INCH  DOWN 
(9.27 |1.27 mm)  DIMENSION Y  STOP 
FOR INBOARD FLAPS 
0.427 |0.05 INCH 
(10.85 |1.27 mm)  BALL 
SCREW NUT 
UNIVERSAL  BALL SCREW 
JOINT  NUT 

E  (3 LOCATIONS) 24. BOLT  STOP  F 
13. SHIM 12. BEARING  10. COTTER PIN 11. NUT 9. COVER  19. SHIM  (3 LOCATIONS) 17. PLATE ASSEMBLY 18. LOCK CAP (3 LOCATIONS) 16. BOLT 
20. FILLER 
MIDFLAP  LUBE FITTING 
BUSHING  ASSEMBLY 14. HOUSING LUBE FITTING  BUSHINGS  ASSEMBLY 21. FITTING 
BUSHING  15. FITTING ASSEMBLY 
FWD  FWD  (3 LOCATIONS) 22. NUT (3 LOCATIONS) 23. WASHER 
H 
G 

Trailing Edge Flap Attach Fitting Installation
Figure 402 (Sheet 3)

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 S 024-013
 (3)  
Disconnect the ball screw from the actuator attach fitting (Fig. 402):
　
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