737-300 400 500 AMM 飞机维护手册 安定面 STABILIZERS(15)

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 A.  There are two tasks in this procedure. There is one task for the removal and one task for the installation of the dorsal fin.
 (1)  
The removal procedure has these parts:

 (a)  
The removal of the access doors

 (b)  
The removal of an air conditioning distribution duct

 (c)  
The removal of the insulation blankets

 (d)  
The removal of the dorsal fin.

 

 (2)  
The installation procedure has these parts:

 (a)  
The installation of the dorsal fin

 (b)  
A check of the clearances on the dorsal fin

 (c)  
The installation of the insulation blankets

 (d)  
The installation of the air conditioning duct

 (e)  
The installation of the access doors.

 

 TASK 55-32-11-004-001-B00
 2.  Dorsal Fin Removal__________________
 A.  References
 (1)  
21-23-25/401, Overhead Distribution Duct

 (2)  
AMM 25-21-39/401, Sidewall and Ceiling Insulation

 B.  Access
 (1)  
Location Zone
 108 Aft Half of Cabin
 706 Vertical Stabilizer

 (2)  
Access Panels
 9503/9504 Front Spar Access Door

 

 C.  Procedure
 S 014-002-B00
 (1)  Open the access doors and panels.
 (a)  
Open the front spar access doors 9503 and 9504.

 (b)  
Open the forward access door in the aft lowered ceiling panel.

 S 014-003-B00
 (2)  Remove the entry light lens on the center part of the aft lowered ceiling panel.
 (a)  
Open the entry light lens.

 (b)  
Remove the screws which attach the entry light fixture.

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 55-32-11
 ALL  ú ú B01 Page 401 ú Nov 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL

(9504 OPPOSITE)

Dorsal Fin Installation
Figure 401 (Sheet 1)

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 ALL  ú ú B01 Page 402 ú Nov 15/91
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
BL 0

BODY IML (REF)
B-B

-0.15/+0.05 10% OF THE OUTER EDGE NOTE:A NEGATIVE TOLERANCE FOR THE FLUSHNESS SHOWS THE DORSAL FIN
NOTE:A POSITIVE TOLERANCE FOR THE IS INBOARD OF THE FUSELAGE
FLUSHNESS SHOWS THE DORSAL FIN CONTOUR.
IS OUTBOARD OF THE FUSELAGECONTOUR.

FWD
C-C D-D
Dorsal Fin Installation
Figure 401 (Sheet 2)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 014-004-B00
 (3)  
Do this task to remove the air conditioning distribution duct above the access door: "Remove Overhead Distribution Duct" (Ref 21-23-25/401).

 S 014-005-B00

 (4)  
Do this task to remove the insulation blankets to get access to the forward dorsal fin attach bolts: "Remove Sidewall Insulation" (AMM 25-21-39/401).

 S 024-006-B00

 (5)  
Remove the dorsal fin.

 (a)  
Remove the aft attach bolts from the fin.

 (b)  
From the cabin, remove the forward attach bolts from the fin.

 

 NOTE: Make a note of the type and the location of the bolts.
____
 (c)  Lift the dorsal fin from the fuselage.
 TASK 55-32-11-404-007-B00
 3. Dorsal Fin Installation
_______________________
 A. References
　
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