K90187
516  Window Shade Installation 
Aug 15/78  Figure 401  25-21-313 
Page 401 

BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.

2. Install Window Shade (See figure 401.)
A.  Check that track in window trim is clean. Refer to Window Shades - Cleaning/Painting.
B.  Install spring and shoe in either end of stiffener.
C.  Engage shoes in track and insert shade in window panel.
D.  Roll up window shade and insert one end of roller in bracket.
E.  Prewind roller spring five turns clockwise with shade rolled up and engage other end of roller in slotted bracket.
F.  Install bracket screws and adjust so that shade movement is parallel to track in window trim.
G.  Install shade handle.
H.  Operate shade several times through complete up and down positions. Shade must operate smoothly without sticking or wrinkling shade material. If shade sticks or operates unevenly, remove window shade and check shoes in stiffener for smooth finish on sliding surface. Also, check length of shoes.
I.  Pull shade to down position and tap window panel with fingers. Shade must not creep up.
J.  Install window panel. Refer to 25-21-311, Window Panel - Removal/Installation.
25-21-313 Nov 15/71 Page 402
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.

WINDOW SHADES - CLEANING/PAINTING

EFFECTIVITY
Wide-Body Look and Carry-All Compartment Interior
1.  Window Shade Track Cleaning (Fig. 401)
A.  Fabricate shade track cleaning tool.
B.  Saturate gauze with denatured alcohol.
C.  Slip gauze covered edge of tool in window track and slide up and down until track is clean.
D.  Test shade
(1)  
If shade moves too easily, dust track with talc.

(2)  
If shade is difficult to move, spray track with clear or white dry lubricant, or rub with ethyl alcohol.

K90197
5C8  Window Shade Track Cleaning 
Jun 20/85  Figure 701  25-21-313 
Page 701 

BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.

WINDOW SHADES - APPROVED REPAIRS
EFFECTIVITY
Wide-Body Look and Carry-All Compartment Interior
1. General
A.  Damaged window shade assemblies may be replaced with new assemblies if desired, however, the shade material may be renewed according to the following procedure.
B.  A fixture should be constructed to assure proper alignment of shade material on roller and stiffener.
2.  Equipment and Materials
A.  Repair Materials (Preferred)(Ref 20-30-51)
(1)  
Window Shade Material - Mylar, aluminum foil, vinyl laminate 0.014 inch thick; John Schneller and Associates.

(2)  
Aluminum Pressure Sensitive Tape - No. 425

(3)  
Adhesive - Pro-Seal 501

B.  Repair Materials (Optional) (Ref 20-30-51)
(1)  
Window Shade Material - Mylar, aluminum foil, vinyl laminate 0.007-0.009 inch thick; Seiberling Rubber Co.

(2)  
Aluminum Pressure Sensitive Tape - No. 3659

(3)  
Adhesive - Pro-Seal 501

3.  Repair Window Shade
A.  Replace damaged shade material (Fig. 801).
(1)  
Remove window shade assembly.

(2)  
Remove shade from roller and clean roller.

(3)  
Remove aluminum tape on stiffener.

(4)  
Carefully drill out rivets in stiffener.

(5)  
Cut shade material to proper size.

Aug 15/78 25-21-313 Page 801
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.

Window Shade Assembly Repair  567 
25-21-313  Figure 801  Aug 15/77 
Page 802 
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details. 

(6)  
Rivet shade material to stiffener with Mylar (silver) side down.

(7)  
Rivet handle retainers and spring studs in place.

(8)  
Cement Mylar (silver) side of shade to roller. (Apply cement to a 90-degree arc of roller.) When cement has dried bevel edge of shade by sanding to fair with roller surface.

(9)  
Install aluminum tape on stiffener.

(10)
Install window shade assembly.

527 
Aug 15/73  BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.  25-21-313 Page 803 

WINDOW REVEAL - CLEANING/PAINTING
1.  Window Reveal Cleaning
A.  General
(1)  
It is important to use only the cleaning detergents listed below to clean window reveals made of polycarbonate (manufactured after March 1979). Use of improper cleaning materials may cause damage (crazing or cracking) to the painted surfaces and plastic materials of the passenger service unit and spacer panels.
　
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