FLAP NOSE
INBOARD FLAP  OUTBOARD FLAP  INBD 
SEE  B  (FLAP NO. 1 SHOWN) 
A 
FLAP NOSE LINK 

FLAP ACTUATOR
FLAP NOSE LINK
HINGE (5 PLACES)
INBOARD FLAP NOSE (OUTBOARD SECTION)
FWD INBDINBOARD FLAP NOSE (INBOARD SECTION)
INBOARD FLAP (FLAP NO. 2 SHOWN)
B
Leading Edge Flap
Figure 1

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 LEADING EDGE SLATS - DESCRIPTION AND OPERATION
______________________________________________
 1.  General_______
 A.  Three leading edge slats are installed on each wing outboard of the engine (Fig. 1). The slats are numbered 1 through 6 from left to right. The slats consist of ribs attached to a beam, inner and outer clad aluminum skin, and a honeycomb trailing edge. An intermittent void between the outer skin and the beam upper cord provides a path for thermal anti-icing. Anti-icing ducts installed in the slat leading edge connects with hot air supply lines through a telescoping tube. The TAI air exhausts out of holes inter spaced along the slat SPAN LOWER surface aft of the beam. A three-position hydraulic actuator is attached at the center of the slat. Each slat has two main tracks which ride on rollers mounted on fixed leading edge ribs. The slats also have auxiliary arm rollers that mount to auxiliary tracks that are attached to the front spar at two locations for slats 2, 3, 4 and 5 and three locations for slats 1 and 6.
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
SEEA
LEFT SIDE SHOWN
(RIGHT SIDE OPPOSITE)

A

Leading Edge Slates

Figure 1

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 SLAT MAIN TRACK ROLLER HARDWARE - REMOVAL/INSTALLATION
______________________________________________________
 1.  General_______
 A.  There are two tasks in this procedure. There is one task for the removal of the main track roller hardware for the leading edge slat. There is one task for the installation of the main track roller hardware for the leading edge slat.
 TASK 57-54-01-004-001-B00
 2.  Leading Edge Slat Main Track Roller Removal (Fig. 401)___________________________________________
 A.  References
 (1) AMM 27-81-21/401, Leading Edge Slats - Removal/Installation.
 B.  Access
 (1)  Location Zone
 302, 303, 402, 403 Leading Edge Slat

 C.  Procedure
 S 014-021-B00
 (1)  
Do section AMM 27-81-21/401, Leading Edge Slats -Removal/Installation to secure slats prior to access of roller bolts.

 S 024-022-B00

 (2)  
Remove cotter pins from roller bolts.

 S 024-023-B00

 (3)  
Remove nut from bolt.

 S 024-024-B00

 (4)  
Pull bolt out from rib assembly.

 NOTE: Be careful for loose parts as you remove bolt.
____
 S 024-025-B00
 (5)  
Remove roller from between support ribs.

 (6)  
Remove bushing/bushings.

 S 024-026-B00
 TASK 57-54-01-404-040-B00
 3.  Leading Edge Slat Main Track Roller Installation (Fig. 401)________________________________________________
　
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