737-300 400 500 AMM 飞机维护手册 WINDOWS(24)

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 C.  A rubber cushion strip is bonded to the metal backing plate. The rubber cushion strip can compress to transmit sufficient pressure to the window assembly to compress the seal bead. This makes a weather seal.
 D.  The replacement windows have the necessary parts for installation. The two sides of the pane have a plastic layer for protection against damage.
 TASK 56-11-21-004-005-B00
 2.  Window No. 3 Removal____________________
 A.  References
 (1)  
AMM 30-41-31/401, Window No. 3 and No. 5 Thermal Switches

 (2)  
AMM 25-11-21/201, Flight Compartment Lining and Insulation

 B.  Access
 (1)  Location Zones
 101, 102 Control Cabin

 C.  Prepare Window No. 3 for Removal
 S 014-010-B00
 (1)  
Remove the trim panels and the crash padding when it is necessary (AMM 25-11-21/201).

 S 034-011-B00

 (2)  
Remove the aerodynamic smoother from the space at the outer edge of the window.

 NOTE: A nylon cord, or a nylon thread, is supplied to make this
____ step easier. The end of the cord, or thread, is found in the top aft corner of the window. Get access to the end and pull continuously until you remove the thread and the smoother.
 D.  Window No. 3 Removal
 S 024-001-B00
 (1)  Remove these components to remove the window from the window frame:
 (a)  The self-locking nuts
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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL

HEX-HEAD, SELF-LOCKING NUT
EXAMPLE FASTENER INSTALLATION
ON EACH EDGE OF WINDOW NO. 3

Window No. 3 Installation
Figure 401 (Sheet 1)

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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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

737-300/400/500
MAINTENANCE MANUAL

 

CONTINUE IN THIS PATTERN. ALWAYS GO TO A FASTENER THAT IS IN THE MIDDLE OF TWO INSTALLED FASTENERS. YOU MUST GO TO A SIDE OTHER THAN THE SIDE ON WHICH A FASTENER WAS JUST TIGHTENED.
NOTE:THIS IS AN EXAMPLE OF HOW YOU CAN TIGHTEN THE FASTENERS FOR THE WINDOW. ANY PATTERN THAT IS ALMOST THE SAME IS PERMITTED. FIRST ATTACH THE WINDOW AT AS MANY POINTS THAT ARE OPPOSITE ON THE WINDOW. DO THIS AS EARLY IN THE FASTENER TORQUE SEQUENCE AS POSSIBLE.
Window No. 3 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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.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
 (b)  
The support clip

 (c)  
The metal backing plate

 (d)  
The rubber cushion strip

 (e)  
The window retaining bolts

 S 024-002-B00
 (2)  Apply hand pressure to the outer side of the window to break the pressure seal.
 NOTE:____Always apply hand pressure to the largest area possible. You can lightly hit the window with a rubber mallet and nonmetallic block if you find it difficult to remove. Do not permit the window to fall free when you break the pressure seal. You can hold the window from the inner side to prevent damage to the adjacent structure and the window.
 S 034-003-B00
 (3)  
Remove the molded pressure seal and the insert bushings.

 S 034-012-B00

 (4)  
Remove all the unwanted aerodynamic smoother from the window frame.

 TASK 56-11-21-404-013-B00
 3.  Window No. 3 Installation_________________________
 A. Standard Tools and Equipment
 (1)  Spatula or flow gun
 B. Consumable Materials
 (1)  
　
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