SMOOTHER AERODYNAMIC 
SEE  A  B 
INBD 
FWD 
NO. 2 WINDOW  NO. 2 WINDOW  NO. 2 WINDOW  TAPE MASKING  GUN FLOW 
CORD NYLON  UP  CORD NYLON  SMOOTHER 
REMOVAL OF THE AERODYNAMIC WINDSHIELD A SMOOTHER FRAME NO. 3 WINDOW  INSTALLATION OF THE AERODYNAMIC NO. 3 WINDOW SMOOTHER B 
Figure 402 Aerodynamic Smoother 

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
747-400
MAINTENANCE MANUAL

 S 024-049
 (7)  
For the removal of the No. 2 window, turn the window inboard around the aft edge to be clear of the aft windowpost.

 S 024-050

 (8)  
For the removal of the No. 3 window, remove the forward edge of the window first.

 TASK 56-11-02-404-018
 3. Window Installation
____________________
 A. General
 (1)  The installation procedures for the right and the left No. 2 and 3 windows are the same. For the installation of the left No. 3 window, you must install a part of the sidewall lining.
 B. Standard Tools and Equipment
 (1)  Spatula or Flow Gun
 C. Consumable Materials
 (1)  
G00139 Tape - Protective, Gizard Protex 20V

 (2)  
G00191 Maskant - Spraylat SC-1071, (protective spray coating)

 (3)  
B00083 Solvent - Aliphatic Naphtha, TT-N-95

 (4)  
G00033 Cheesecloth - Woven, Surewipe (clean and lint-free)

 (5)  
A00247 Sealant - BMS 5-95, Class B

 (6)  
G00294 Tape - Masking Permacel No. 76

 (7)  
C00580 Primer - Silicone, Dow Corning 1200 Red Silicone Primer

 (8)  
G00039 Cord - Nylon, MIL-C-5040, Type 1A (preferred)

 (9)  
G00040 Cord - Nylon, V-T-295, Type 1 Class 2, Size No. 9 (optional)

 (10)
 A00091 Sealant - Silicone Rubber, Dow Corning 93006, (aerodynamic smoother)

 (11)
 A00091 Sealant (Optional) - Silicone Rubber, Pro Seal 860 Class B, (aerodynamic smoother)

 (12)
 A00546 Sealant - Thermal, Wakefield No. 120 (preferred)

 (13)
 A00062 Sealant - Thermal, Dow Corning DC340(optional)

 D. Parts
 ~.............................................................................. | AMM | | AIPC | ................. ............................ | FIG | ITEM | NOMENCLATURE | SUBJECT | FIG | ITEM | ................................................................................ | 401 | 1 | Window (Left side), (No. 2) | 56-11-02 | 02 | 45 | | | 1 | Window (Right side), (No. 2) | | 02 | 50 | | | 2 | Window (Left side), (No. 3) | | 03 | 45 | | | 2 | Window (Right side), (No. 3) | | 03 | 50 | | | 3 | Bolt (Window Retaining) | |02, 03| 25 | | | 4 | Washer (Rubber) | |02, 03| 35 | | | 5 | Washer (Metal) | |02, 03| 30 | | | 6 | Nut | |02, 03| 40 | 2......…........…...................................…..........…......…........1
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747-400
MAINTENANCE MANUAL

 E. References
 (1)  
AMM 25-13-03/401, Pilot's Sunvisor

 (2)  
AMM 25-15-02/401, Crash Pads

 (3)  
AMM 30-41-00/501, Flight Compartment Windows Anti-Icing System

 (4)  
AMM 30-41-06/401, Control and Overheat Thermostats

 (5)  
AMM 33-15-00/501, Flight Compartment Auxiliary Lights

 (6)  
WDM 30-41-21

 F. Access
 (1)  Location Zone 221 Flight Compartment No. 2 and 3 Left Side Windows 222 Flight Compartment No. 2 and 3 Right Side Windows
 G. Prepare the Window for Installation.
 S 954-019
 (1) Install the protective tape or the spray coating on the inner and the outer surfaces of the window (if not installed already).
　
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