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BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A
737-300/400/500MAINTENANCE MANUAL
 ALUMINUM FOIL MARKERS - REMOVAL/INSTALLATION
____________________________________________
 1.  General_______
 A.  This procedure contains two tasks. The first task is the removal of aluminum foil markers. The second task is the installation of aluminum foil markers.
 B.  This procedure is optional for the paper-backed, pressure-sensitive decals and placards.
 C.  Replace aluminum foil markers that have creases, damaged edges, or words that you cannot read.
 D.  Replace aluminum foil markers that are not satisfactorily bonded to external primed or painted surfaces.
 E.  Remove and replace aluminum foil markers that are not satisfactorily bonded to internal primed or painted surfaces.
 F.  Remove and replace aluminum foil markers that are not satisfactorily bonded to bare metal surfaces.
 NOTE: For aluminum foil markers that you will install on textured
____ surfaces or that do not bond satisfactorily, you can use the procedure for pressure-sensitive placards. This gives a better installation (AMM 20-10-14/401, Removal/Installation).
 G.  Do not install new aluminum foil markers on used aluminum foil markers. Remove the used aluminum foil marker and install the new aluminum foil marker.
 TASK 20-10-21-004-001
 2.  Pressure Sensitive Placards - Removal_____________________________________
 A.  Consumable Materials
 (1)  
B00148 Methyl Ethyl Ketone (MEK) - TT-M-261

 (2)  
B00084 Xylene - ASTM 845 or 846

 B.  Procedure
 S 024-023
 (1)  Put a sharp knife, or an equivalent tool under the edge of the placard and lift the placard.
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 20-10-21
 ALL  ú ú 01 Page 401 ú Jul 12/01
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
A 737-300/400/500MAINTENANCE MANUAL
 S 114-024
 (2)  For primed, painted, or plastic interior surfaces, use isopropyl alcohol, ethyl alcohol, or xylene to remove all the adhesive from the surfaces and markers.
 S 114-025
 WARNING: DO NOT GET SOLVENTS IN YOUR MOUTH, OR YOUR EYES, OR ON YOUR
_______ SKIN. DO NOT BREATHE THE FUMES FROM SOLVENTS. SOLVENTS ARE HAZARDOUS MATERIALS. SOLVENTS MAY BE FLAMMABLE OR HARMFUL TO THE ENVIRONMENT. REFER TO PRODUCT MATERIAL SAFETY DATA SHEETS (MSDS) AND LOCAL REQUIREMENTS FOR PROPER HANDLING PROCEDURES.
 (3)  For metal surfaces, remove all the adhesive from the surfaces and markers with solvent, Series 88 (AMM 20-30-88/201).
 TASK 20-10-21-404-002
 3.  Aluminum Foil Marker - Installation___________________________________
 A. Equipment
 (1)  
Model C, IBM typewriter with Pica type, with a
 medium dark opaque or blueprint black ribbon

 B.
Consumable Materials

 (1)  
A00134 Adhesive - BMS 5-14

 (2)  
A00119 Adhesive RUBBER CEMENT - BMS 5-55

 (3)  
A00016 Adhesive Film - BMS 5-91

 (4)  
B00046 Corrosion Remover - MIL-M-10578, Type
 II, Phosphoric Acid Corrosion Removing and
 Metal Conditioning Compound

 (5)  
C00034 Bostik Clear Base - 683-3-2 with
 Catalyst - X-310A

 (6)  
B00083 Aliphatic Naphtha, TT-N-95

 (7)  
B00148 Methyl Ethyl Ketone (MEK) - TT-M-261

 (8)  
B00192 Solvent - BMS 3-2, Type I

 (9)  
B00084 Xylene - ASTM 845 or 846

 (10)
 B00137 Abrasive Paper - P-P-121, 180-grit
 aluminum oxide

 (11)
 G00033 Wiper (cheesecloth) - BMS 15-5

 C.
References

 (1)  
AMM 51-21-61/701, Hydraulic Fluid Resistant Finish

 D.
Prepare for Installation

 S 934-002
 (1)  If it is necessary, use an electric typewriter with pica type to add data to the placard.
 NOTE: Set the typewriter at the highest impression level.
____
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