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747-400 MAINTENANCE MANUAL
 VARIABLE CAMBER FLAPS ROTARY ACTUATOR - REMOVAL/INSTALLATION
____________________________________________________________
 1.  General_______
 A.  There are two tasks in this procedure. There is one task for the removal and one task for the installation of the variable camber flaps rotary actuator. The procedure has these parts:
 (1)  
The installation of the leading edge safety locks

 (2)  
The removal of the variable camber flaps rotary actuator

 (3)  
The installation of the variable camber flaps rotary actuator

 (4)  
The adjustment check of the flap linkage.

 B.  
The removal and installation procedures are the same for all the rotary actuators.

 TASK 27-81-07-004-001
 2.  Variable Camber Flaps Rotary Actuator Removal_____________________________________________
 A.  Special Tools and Equipment
 (1)  
6TE65B00114 Variable Camber Flap Rigging Bar

 (2)  
17MIT65B04017 Leading Edge Flap Drive Unit Lock

 B.  
References

 (1)  
AMM 24-22-00/201, Manual Control

 (2)  
AMM 27-81-00/201, Leading Edge Flap System

 (3)  
AIPC 27-81-02, Fig. 1

 (4)  
AIPC 27-81-02, Fig. 5

 (5)  
AIPC 27-81-02, Fig. 10

 (6)  
AIPC 27-81-51, Fig. 1

 (7)  
SSM 27-81-01, SSM 27-81-02, SSM 27-81-03, SSM 27-81-04, SSM 27-81-05, SSM 27-81-06

 (8)  
WDM 27-51-21, WDM 27-51-22, WDM 27-81-11, WDM 27-81-12, WDM 27-81-21, WDM 27-81-22, WDM 27-81-31, WDM 27-81-32, WDM 27-81-41, WDM 27-81-42, WDM 27-81-81, WDM 27-81-82

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747-400 MAINTENANCE MANUAL
ROTARY ACTUATOR SEE A
7. INPUT  2. OUTPUT 
SHAFT DRIVE  1. ROTARY ACTUATOR  SPLINE 
14. COUPLING 
SLEEVE 
POWER 
DRIVE UNIT 

3. MOUNT BOLTS
INPUT (2 LOCATIONS) SHAFT
4.
 WASHERS

5.
 NUTS

13. LOCATING SCREW
6. TORQUE TUBE (2 LOCATIONS)
12. DRAIN
WING STRUCTURE
7.
 INPUT DRIVESHAFT

8.
 BEARING RETAINER

9.
 INTERNAL

11. BONDING INPUT SPLINE
JUMPER
10. BOLT
4. WASHER
A
5. NUT (6 LOCATIONS)
Rotary Actuator Installation Figure 401
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747-400
MAINTENANCE MANUAL

Flap Linkage Extension and Stop Clearance Requirements
Figure 402

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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
　
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