53-31-00
 ALL  ú ú B01 Page 1 ú Oct 20/83
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 E.  On some airplanes, vortex generator assemblies are installed on the aft fuselage. The vortex generator assemblies are located above the horizontal stabilizer on the left and right sides of the fuselage. The function of the vortex generators is to make airflow better.
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 53-31-00
 ALL  ú ú B01 Page 2 ú Jul 12/99
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 STABILIZER TO BODY FRONT SPAR SLIDING SEAL - REMOVAL/INSTALLATION
_________________________________________________________________
 1.  General_______
 A.  This procedure contains two tasks:
 (1)  
The removal of the stabilizer-to-body front spar sliding seal.

 (2)  
The installation of the stabilizer-to-body front spar sliding seal (referred to as the sliding seal).

 B.  The sliding seal closes the opening where the attach fitting of the forward stabilizer moves. You can do the approved repair of the seal when you remove the seal plates and apply a layer of the teflon finish of the abrasion resistant (AMM 51-21-81/701).
 TASK 53-31-31-004-001-B00
 2.  Stabilizer-to-Body Front Spar Sliding Seal Removal__________________________________________________
 A.  References
 (1) AMM 12-31-81/201, Stabilizer and Elevator Access Doors and Panels
 B.  Access
 (1)  Access Panels
 9119 Gap Cover Upper, Left Side
 9219 Gap Cover Upper, Right Side
 9120 Gap Cover Upper, Left Side
 9220 Gap Cover Upper, Right Side
 9117 Gap Cover Upper, Left Side
 9217 Gap Cover Upper, Right Side

 C.  Prepare to Remove the Sliding Seals
 S 034-002-B00
 (1)  
Remove the center track strips (Fig. 401).

 S 034-003-B00

 (2)
Remove the upper and lower clearance panels on the stabilizer.

 NOTE:____Panels 9119 and 9112 are on the left side. Panels 9219 and 9220 are on the right side. For better access, you can remove the bullnose fairing of the leading edge (panels 9117 and 9217) (AMM 12-31-81/201).
 D.  Sliding Seal Plates Removal (Fig. 401)
 S 034-004-B00
 (1)  To remove the lower seal plate, move the stabilizer to the full up position.
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 53-31-31
 ALL  ú ú B01 Page 401 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A

737-300/400/500
MAINTENANCE MANUAL

SLIDING SEAL
SEE A
ACCESS PANELS ON THE
UPPER AND THE LOWER

1
SURFACE OF THE STABILIZER 1 UPPER SEAL
LINE ETCHED ON PLATE
THE SEAL PLATE RUB GUIDE
A TIE-BAR
A
CORNER PLATE B (4 LOCATIONS)
B CENTER SECTION FRONT SPAR FITTING
LINK ASSEMBLY
CENTER TRACK STRIP
PEDESTAL CENTER TRACK STRIP
PIN (4 LOCATIONS)
STABILIZER
FITTING

LOWER SEAL
PLATE LINE ETCHED ON THE SEAL PLATE
____THE STABILIZER ASSEMBLY
NOTE: IS NOT SHOWN IN THIS VIEW.
1
1
1
THIS DISTANCE MUST BE
THE SAME ON EACH SIDE

SLIDING SEAL
OF THE SEAL PLATE

A
Front Spar Sliding Seal Installation
Figure 401 (Sheet 1)

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 ALL  ú ú B01 Page 402 ú Jul 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL

INBOARD TRACK
A-A
SEAL PLATE
CORNER
TRACK

B-B

Stabilizer-to-Body Front Spar Sliding Seal Installation
　
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