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A

747-400
MAINTENANCE MANUAL

A  B 
B 
A 

VARIABLE
CAMBER FLAP

WING RIB  WING RIB
BEARING BEARING
NUT
LINK ABG TORQUE TUBE
A-A
Variable Camber Flap Actuating Mechanism InstallationFigure 401 (Sheet 1)
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A
747-400 MAINTENANCE MANUAL
WING RIB

BOLT
B-B
WING RIB WING RIB SPACER

CHAMFERED WASHER

BOLT

FLAPS NO. 6-10 AND 17-21
B-B

Variable Camber Flap Actuating Mechanism Installation
Figure 401 (Sheet 2)

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747-400
MAINTENANCE MANUAL

 C. Access
 (1)  
Location Zone
 522 Variable Camber Flap, LH
 523 Variable Camber Flap, LH
 524 Variable Camber Flap, LH
 525 Variable Camber Flap, LH
 526 Variable Camber Flap, LH
 532 Variable Camber Flap, LH
 533 Variable Camber Flap, LH
 534 Variable Camber Flap, LH
 535 Variable Camber Flap, LH
 536 Variable Camber Flap, LH
 537 Variable Camber Flap, LH
 622 Variable Camber Flap, RH
 623 Variable Camber Flap, RH
 624 Variable Camber Flap, RH
 625 Variable Camber Flap, RH
 626 Variable Camber Flap, RH
 632 Variable Camber Flap, RH
 633 Variable Camber Flap, RH
 634 Variable Camber Flap, RH
 635 Variable Camber Flap, RH
 636 Variable Camber Flap, RH
 637 Variable Camber Flap, RH

 D.
Procedure

 S 014-002
 (1)
Do this task: "Variable Camber Flap Removal" (AMM 27-81-02/401).

 S 014-003

 (2)  
Do this task to remove the rotary actuators attached to the torque tube: "Variable Camber Flaps Rotary Actuator Removal" (AMM 27-81-07/401).

 S 014-004

 (3)  
Do this task to remove the drive shaft through the center of the torque tube: "Drive Shaft Removal" (AMM 27-81-05/401).

 S 024-005

 (4)  
Remove the actuating linkage:

 (a)  
Use the torque adapter to remove the nut from the end of the torque tube.

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747-400 MAINTENANCE MANUAL
 (b)  
Move the torque tube with the link ABG axially.

 (c)  
Remove the torque tube with link ABG from the airplane.

 (d)  
Remove the bolt that attaches the two links CD.

 (e)  
Remove links CD from the airplane.

 TASK 27-81-08-404-006
 3.  Variable Camber Flap Actuating Linkage Installation (Fig. 401)___________________________________________________
 A. Special Tools and Equipment
 (1)
MIT65B15171 Variable Camber Flap Hinge Nut Torque Adapter

 B.
References

 (1)  
AMM 27-81-02/401, Variable Camber Flaps

 (2)  
AMM 27-81-05/401, Drive Shaft

 (3)  
AMM 27-81-07/401, Variable Camber Flaps Rotary Actuator

 (4)  
AMM 27-81-08/601, Variable Camber Flap Actuating Linkage

 (5)  
AIPC 27-81-02, Fig. 1

 (6)  
AIPC 27-81-02, Fig. 5
　
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