(c)  
P414 Power Distribution Center - Left
 1) 414A5 LE FLAP ELEC DRIVE 1
 2) 414A2 LE FLAP ELEC DRIVE 4

 (d)  
P415 Power Distribution Center - Right
 1) 415M35 LE FLAP ELEC DRIVE 2
 2) 415B32 LE FLAP ELEC DRIVE 3

 S 494-007
 WARNING: YOU MUST CAREFULLY DO THE STEPS IN THE TASK BELOW TO INSTALL
_______ THE LE FLAP SAFETY LOCKS. THE LE FLAPS CAN MOVE QUICKLY IF YOU DO NOT INSTALL THE SAFETY LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (6)  
Do this task: "Extended Leading Edge Flap Deactivation and Safety Lock Installation" (AMM 27-81-00/201).

 E.
Remove the Drive Shaft

 (1)  
Remove the screws in the coupling sleeve.

 S 034-008
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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A
747-400 MAINTENANCE MANUAL
 S 034-030
 (2)  
Remove the coupling from the splines.

 S 034-009

 (3)  
Do this task for the drive shaft that has an internally splined shaft fitting on the ends: "Variable Camber Flap Rotary Actuator Removal" (AMM 27-81-07/401).

 S 034-010

 (4)  
Do these steps if you must remove one of the drive shafts connected with PDU No. 1 (or drive shafts with an internally splined shaft fitting on one end and a coupling sleeve on the other end):

 (a)  
Remove the screws on the coupling.

 (b)  
Move the coupling back.

 (c)  
Do this task to remove the rotary actuator on the end with the internally splined shaft fitting: "Variable Camber Flap Rotary Actuator Removal" (AMM 27-81-07/401).

 S 024-011
 (5)  Remove the drive shaft from the airplane (Fig. 401).
 TASK 27-81-05-404-012
 3.  Drive Shaft Installation________________________
 A. Special Tools and Equipment
 (1)  
6TE65B00114 Variable Camber Flap Rigging Bar

 (2)  
17MIT65B04017 Leading Edge Flap Drive Unit Lock

 B.
Consumable Materials

 (1)  
D00013 Grease - MIL-G-23827

 C.
References

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

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

 (3)  
AMM 27-81-06/401, Krueger Flaps Rotary Actuator

 (4)  
AMM 29-11-00/201, Main Hydraulic Supply System

 (5)  
AMM 36-00-00/201, Pneumatic system

 (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

 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 D. Access
 (1)  
Location Zone
 512 Krueger Flap Inboard, LH
 513 Krueger Flap Midflap, LH
 514 Krueger Flap Outboard, LH
 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
 612 Krueger Flap Inboard, RH
 613 Krueger Flap Midflap, RH
 614 Krueger Flap Outboard, RH
 622 Variable Camber Flap, RH
 623 Variable Camber Flap, RH
 624 Variable Camber Flap, RH
 625 Variable Camber Flap, RH
　
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