(3)  
Remove electrical power if it is not necessary (AMM 24-22-00/201).

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A
737-300/400/500MAINTENANCE MANUAL
 LEADING EDGE FLAPS - REMOVAL/INSTALLATION
_________________________________________
 1.  General_______
 A.  There are two tasks in this procedure. There is a task for the removal and a task for the installation of the leading edge flaps.
 B.  This procedure applies to the inboard and outboard leading edge flaps. If you replace the inboard and outboard flaps, you must install and adjust the inboard flap first.
 TASK 27-81-11-004-001
 2.  Leading Edge Flap Removal (Fig. 401)_________________________
 A.  Special Tools and Equipment
 (1)  
F80048-84, -89 or -90 - Leading Edge Flap Actuator Lock

 B.  
References

 (1)  
27-81-00/201, Leading Edge Flap and Slat Control System

 C.  
Access

 (1)  
Location Zone 101 Control Cabin, LH 102 Control Cabin, RH 302 Wing Outboard Leading Edge with Slats, LH 303 Wing Inboard Leading Edge with Slats, LH 402 Wing Outboard Leading Edge with Slats, RH 403 Wing Inboard Leading Edge with Slats, RH

 D.  
Procedure

 S 864-003
 (1)  
Pressurize hydraulic system B (Ref 27-81-00/201).

 S 864-004

 (2)  
Move the flap control lever to the 1-unit detent to extend the leading edge flaps.

 (3)
Release the pressure from hydraulic system B (Ref 27-81-00/201).

 S 864-005
 S 484-006
 WARNING: MAKE SURE TO INSTALL THE LEADING EDGE FLAP ACTUATOR LOCKS TO
_______ PREVENT ACCIDENTAL OPERATION OF THE LEADING EDGE FLAP. THE LEADING EDGE FLAPS CAN MOVE QUICKLY. THIS CAN CAUSE INJURY TO PERSONS OR DAMAGE TO EQUIPMENT.
 (4)  Install the leading edge flap actuator lock on the actuator of the flap (Ref 27-81-00/201).
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A

737-300/400/500
MAINTENANCE MANUAL

OUTBOARD FLAP 
SEE  A 
INBOARD FLAP 
SEE  B 
HINGE A 
LEADING EDGE 
FLAP ACTUATOR 
HINGE B 
OUTBOARD 
LEADING EDGE 
B  FLAP  UPPER FLAP 
SPRING  LINK ROD 
A  HINGE C 
KRUEGER 
SEAL  D 
D 
B  E 
A  E 
INBD 
LOWER FLAP 
NOSE ROD 
OUTBOARD FLAP  FLAP 
NOSE 
NOTE:____  SECTIONAL VIEW D-D IS FOR  A 
ALL HINGE CONNECTIONS. 
Leading Edge Flap Installation 
Figure 401 (Sheet 1) 

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A
737-300/400/500MAINTENANCE MANUAL
HINGE D FLAP NOSE LINK
HINGE E
B
FLAP ACTUATOR HINGE F FLAP NOSE LINK HINGE G SEAL
D
INBOARD
D A
LEADING
FUEL BOOST EDGE FLAP
PUMP
FLAP NOSE ROD

E
C NOSE HINGE C (3 LOCATIONS) CENTER FLAP FLAP
B
NOSE LINK
E
HINGE HFLAP NOSE ROD
OUTBOARD
FLAP NOSE

INBOARD
FWD INBD

FLAP NOSE BELL CRANK
A
ADJUSTABLE LINK
INBOARD FLAP
B

TABLE A: HINGE BOLT TORQUE AND BOLT HEAD DIRECTION HINGE (SEE DETAILS
BOLT HEAD
TORQUE A AND B FOR LOCATION)
DIRECTION
　
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