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747-400 MAINTENANCE MANUAL
 8) 7D13, FLT CONT CMPTR PWR C
 9) 7D14, FLT CONT CMPTR SERVO R
 10) 7D15, FLT CONT CMPTR PWR R
 11) 7C10, FLT CONT ELEC 2L-AC
 12) 7C11, FLT CONT ELEC 2L-DC
 13) 7C12, FLT CONT ELEC 1L-AC
 14) 7C13, FLT CONT ELEC 1L-DC
 15) 7C14, FLT CONT ELEC 1R-AC
 16) 7C15, FLT CONT ELEC 1R-DC
 17) 7C16, FLT CONT ELEC 2R-AC
 18) 7C17, FLT CONT ELEC 2R-DC
 19) 7D18, AILERON LOCKOUT

 S 494-006
 (5)  Make sure that the landing gear ground locks are installed.
 S 494-007
 WARNING: CAREFULLY DO THE SPECIFIED TASK TO INSTALL THE DOOR LOCKS ON
_______ THE LANDING GEAR DOORS. THE DOORS CAN CLOSE QUICKLY IF YOU DO NOT INSTALL THE DOOR LOCKS CORRECTLY. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (6)  
Install the door locks on the doors for the doors for the body landing gear (AMM 32-00-30/201).

 E.
Remove the Flap Power Package

 S 034-008
 (1)  Disconnect the rod (6) from the input arm (2) (Fig. 401).
 S 034-009
 WARNING: MAKE SURE THAT THE FLAPS ARE NOT EXTENDED MORE THAN 5 UNITS.
_______ THE FLAPS CAN MOVE DOWN WITHOUT INPUT. IF THE FLAPS MOVE, THEY CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (2)
Disconnect the torque tubes (13) from the flap power package (1).

 S 034-010

 (3)  
Disconnect the electrical connectors (9):

 (a)  
DV138 (Inboard Flap By-Pass Valve)

 (b)  
DV139 (Outboard Flap By-Pass Valve)

 (c)  
DM625 (Alternate Inboard Flap Motor)

 (d)  
DM622 (Alternate Outboard Flap Motor)

 (4)
Remove the bonding jumper (24) from the alternate drive motor (25).

 S 034-012

 (5)  
Remove the bonding jumper (8) between the bypass valve and the flap lever and quadrant assembly.

 S 034-011
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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747-400
MAINTENANCE MANUAL

Flap Power Package Installation
Figure 401 (Sheet 1)

EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

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747-400
MAINTENANCE MANUAL

Flap Power Package Installation
Figure 401 (Sheet 2)

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747-400
MAINTENANCE MANUAL

6. ROD 
3.  BOLT 
4.  WASHER 
5.  NUT 
7. FLAP CONTROL MODULE 
2. INPUT ARM 
8. BONDING JUMPER 
9. ELECTRICAL CONNECTOR 
ADAPTER14.  10. HYDRAULIC 
PACKING15.  LINES 
16. RING  (5 LOCATIONS) 
17. PACKING 

TUBE 13. TORQUE 
SEE  E  HYDRAULIC MOTOR 
SWITCH PACK 11. RVDT 12. LIMIT 
D (OUTBOARD FLAP POWER PACKAGE EQUIVALENT) INBOARD FLAP POWER PACKAGE SHOWN 
Flap Power Package Installation Figure 401 (Sheet 3) 

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