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A 747-400 MAINTENANCE MANUAL
SAFETY HARNESS RECEPTACLE
SEE A
WING
RIG PIN A/S-8
PRIMARY
(A/S-9, RIGHT WING)
SEE C
HINGE
PRIMARY
FAIL SAFE SEE D

HINGE CONTROL QUADRANT
HINGE
INPUT CONTROL ROD
INBOARD AILERON POWER CONTROL PACKAGE
SEE ESEE B
SEE F
INBOARD AILERON
HOIST ADAPTER
A
WING
WING FITTING
FITTING
11. HINGE BOLT
5.
 HINGE BOLT

6.
 WASHER

1. COTTER PIN
7. NUT (900-1100 POUND-INCHES) 2. WASHER 4. WASHER 10. WASHER 3. NUT
COTTER PIN
(10-15 FITTING AILERON POUND-INCHES)AILERON 9. JUMPER
FITTING 8. BUSHING INBD INBD
B C
Inboard Aileron Installation
Figure 401 (Sheet 1)

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A
747-400
MAINTENANCE MANUAL

21. ANTIROTATION 
18. NUT  PLATE 
19. WASHER  WING FITTING 
20. BUSHING 
WING FITTING 
12. BUSHING 
17. HINGE  25. WASHER  22. WASHER 
BOLT  13. WASHER 
26. HINGE BOLT 

16. WASHER  AILERON FITTING 
AILERON FITTING  14. NUT (1000-1300 
POUND-INCHES)  24. COTTER PIN 

INBD  15. COTTER PIN  INBD  POUND-INCHES) 23. NUT (10-15 
D  E 
ACTUATOR PISTON  AILERON PACKAGE INBOARD POWER  RING 45. RETAINING  PISTON 27. ACTUATOR 
AILERON FITTING POWER PACKAGE ATTACHMENT BOLT  A  43. NUT 44. WASHER  PLATE 30. ANTIROTATION 32. WASHER 28. BOLT 29. BUSHING 31. BOLT 33. NUT 
REACTION TRUSS LINKAGE HINGE BOLT  A  REACTION LINKAGE TRUSS  41. NUT 42. WASHER  PLATE 34. ANTIROTATION 
SEE  E 
INBD  F FAIL-SAFE HINGE  HINGE BOLT  LINKAGE 40. INNER 39. REACTION BOLT  A-A  RING 37. OUTER BOLT 35. BOLT 36. WASHER 38. RETAINING 

Inboard Aileron Installation
Figure 401 (Sheet 2)

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A
747-400
MAINTENANCE MANUAL

 (2)  
Access Panels 573AB Inboard Aileron Actuator, Lower Wing Surface, LH 573BB Inboard Aileron Actuator, Lower Wing Surface, LH 673AB Inboard Aileron Actuator, Lower Wing Surface, RH 673BB Inboard Aileron Actuator, Lower Wing Surface, RH 573CB Hydraulic Access Panel (LI Transmitter) 673CB Hydraulic Access Panel (RI Transmitter)

 D.
Prepare for Removal

 S 014-002
 (1)  
Open two access panels (573AB, 573BB, and 573 CB, left wing, 673AB, 673BB, and 673CB, right wing) on the lower wing surface adjacent to the aileron leading edge (AMM 06-09-08/201).

 S 014-046

 (2)  
Remove the coverplate (579AB, left wing, 679AB, right wing) in the aileron leading edge (AMM 06-09-08/201).

APPLICABLE, TO GET TOTAL AILERON TRAVEL FROM NEUTRAL |0.05 INCH FOR RIGGING |0.25 INCH FOR SYSTEM TEST
Inboard Aileron Deflection and Rigged Neutral Position Figure 402
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747-400
MAINTENANCE MANUAL

BULB SEAL
SEAL RETAINER ASSEMBLY
B Adjustment of Wing Trailing Edge Bulb Seal Figure 403
K27098
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