................................................................................ | Rabbet | 0.050 | 0.50 | | 2 | 8 | | edge .................................................................... | | 0.020 | Continuous | | | | ................................................................................ | Bolt hole | | All around | Must not be | 2 | 8 | | edges | 0.025 | hole circum| consecutive | holes | | | | | | holes | | | 2...........…...............…............….................….........….........1 *[1] Refer to the. Overhaul manual for Repairs
 S 216-022-B00
 CAUTION: DO NOT TIGHTEN THE BOLTS TO MORE THAN THE SPECIFIED TORQUE
_______ VALUE. YOU CAN BREAK THE WINDOW.
 (8) Make sure that the fasteners are not loose (Ref 56-11-21/401).
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 56-11-21
 ú  ALL  ú
 ú ú  ú B01.101 ú BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.  Page 607Jul 12/02 

A
737-300/400/500MAINTENANCE MANUAL
 WINDOW NO. 3 - APPROVED REPAIRS
_______________________________
 1. General
_______
 A. This procedure contains two tasks:
 (1)  
A task to repair a No. 3 window that has scratches or crazing.

 (2)  
A task to repair No. 3 windows that have chips.

 TASK 56-11-21-308-001-B00
 2. Repair Scratched or Crazed No. 3 Windows
________________________________________
 A. General
 (1)  Rub with abrasive paper, polish, or buff the No. 2 or No. 3 (acrylic) windows to remove scratches and surface crazing.
 NOTE: Refer to the table in the inspection/check procedure
____ (Ref 56-11-21) to keep the correct window panel thickness.
 (2)  
Be careful with the window when you touch it.

 (3)  
Put a protective coating or tape on the areas of the window that do not have scratches.

 (4)  
Put on clean cotton gloves when you handle the polished window panes.

 (5)  
Do not use materials that are not approved.

 (6)  
Do not cause damage to the window surface with finger rings or other sharp objects.

 B. Special Tools and Equipment
 (1)  
Sander, Vibrating - Air Driven (with Rubber
 Pad) - Commercially Available

 (2)  
Sanding Block - Rubber Block of Shore-A Scale
 Durometer 35 Hardness (Optional: Wood Block
 With Several Layers of Flannel) (Commercially
 Available)

 (3)  
Optical Micrometer - Model 966A or 966A1
 Edwards Aerospace Co.
 Ontario, Ca.

 C. Consumable Materials
 (1)  G00191 Protective coating, Spraylat SC-1071
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 56-11-21
 ALL  ú ú B01 Page 801 ú Jul 15/93
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
 D.
E.
F.
A
737-300/400/500MAINTENANCE MANUAL
 (2)  
G00301 Protective Tape, Gizard Protex 20V

 (3)  
G00117 Aluminim Foil Tape, Permacel P112

 (4)  
G01990 Canton (Cotton) Flannel Cloth, Clean and Oil-Free - Commercially Available

 (5)  
B00106 Chamois, KK-C-300

 (6)  
B00027 Buffing Compound, Learock No. 888

 (7)  
B00026 Buffing Compound, Learock No. S-30

 (8)  
B00305 Simoniz Polish

 (9)  
Plex-I-Glow Cleaner and Polish

 (10)
 Wet-or-Dry Sandpaper No. 600-A to 100-A -Commercially Available

 (11)
 B00130 Isopropyl Alcohol-TT-I-735

 (12)
 G02044 Micromesh Cloths (1600-8000 Grit) - Kit SN2

 (13)
 B00711 Mirror Glaze Polish, MGH-10
　
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