(2)
29-15-00/201, Hydraulic Systems A, B, and Standby

 (3)
51-21-81/701, Abrasion - Resistant Teflon Finish

 B.  
Access

 (1)  
Location Zones 307, 407 Wing Trailing Edge, Outboard Flap and Spoilers

 C.  
Prepare For the Removal

 S 864-024
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF ALL CONTROL
_______ SURFACES BEFORE YOU SUPPLY HYDRAULIC POWER. AILERONS, RUDDERS, ELEVATORS, FLAPS, SPOILERS, LANDING GEAR, AND THRUST REVERSERS CAN MOVE QUICKLY WHEN YOU SUPPLY HYDRAULIC POWER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (1) Do this task to pressurize hydraulic system B: "Pressurize Hydraulic System A, B, or Standby" (Ref 29-15-00/201).
 EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-51-37
 ALL  ú ú 01 Page 401 ú Nov 15/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
FOREFLAP
FOREFLAP TRACK
LINK
FLAP TRACK
SEE A
MIDFLAP
AFTFLAP
FWD
FOREFLAP
INBD
LEFT FLAP SHOWN (RIGHT SIDE OPPOSITE)
FOREFLAP
FOREFLAP
SEQUENCING
CARRIAGE

CARRIAGE STOP
0.02 INCH TRACK STOP
TOGGLE
ROLLER

FLAP TRACK
A
Outboard Foreflap Installation Figure 401
EFFECTIVITYùùùùùùùùùùùùùùùùùùùùùùùùùùùùùù. ú

 27-51-37
 ALL  ú ú 01 Page 402 ú Nov 15/90
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500
MAINTENANCE MANUAL

FOREFLAP  A FOREFLAP (3 LOCATIONS) TRACK  MIDFLAP 
A
FWD 
INBD 
LEFT OUTBOARD FLAP (RIGHT OUTBOARD FLAP IS OPPOSITE) 
FOREFLAP TRACK 
MIDFLAP 

FWD
OUTBOARD FOREFLAP TRACK
(FOREFLAP TRACK IN RETRACTED POSITION)
(EXAMPLE)
A-A

Outboard Foreflap Track Installation Figure 402
K30331
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 27-51-37
 ALL  ú ú 02 Page 403 ú Jul 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
TRACK FLAP  SEE  A  LINK FOREFLAP  TRACK FOREFLAP  MIDFLAP 
AFTFLAP 
FOREFLAP  FWD 
(RIGHT FLAP IS OPPOSITE) LEFT FLAP  INBD 

0.10-0.12 INCH (2.54-3.08 mm) DESIGN DIMENSIONS
0.10-0.12 INCH (2.54-3.08 mm) DESIGN DIMENSIONS
A 
A  A 
0.010 INCH (0.25 mm) MAXIMUM WEAR 
0.010 INCH (0.25 mm) MAXIMUM WEAR 
A-A 

Outboard Foreflap Track Installation
Figure 403

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 27-51-37
 ALL  ú ú 02 Page 404 ú Mar 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
L83955
A
737-300/400/500MAINTENANCE MANUAL
 S 864-003
 WARNING: MAKE SURE THAT PERSONS AND EQUIPMENT ARE CLEAR OF THE TRAILING
_______ EDGE FLAPS, THE LEADING EDGE FLAPS AND SLATS AND THE DRIVE MECHANISMS BEFORE YOU MOVE THE FLAP CONTROL LEVER. THIS CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (2)  
Move the flap control lever to the flaps position 40 (flaps down) detent to extend the flaps.

 S 864-004

 (3)  
Do this task to depressurize hydraulic system B: "Depressurize Hydraulic System A, B, or Standby" (Ref 29-15-00/201).

 S 044-005

 (4)  
Do this task: "Trailing Edge Flap System Deactivation" (Ref 27-51-00/201).

 D.
Remove the Outboard Foreflap

 S 024-023
　
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