spray life to 1/4 hour. 5) Keep the remaining life mixture of 1 hour in a cold box at 50°F.
 S 397-034-B00
 (8)  Let the sealant dry as follows:
 Temperature___________ Relative Humidity_________________ Time 75°F 50% 72 Hours
 120°F  50% 18 Hours
 S 147-011-B00
 (9)  
Lightly rub the sealant smooth with a fine sandpaper, a cloth (aluminum oxide grit) or a gum rubber buffing wheel.

 (10)
 Repair the damaged alodine coating if it is necessary.

 S 357-033-B00
 TASK 51-21-95-307-025-B00
 5. Corrosion Preventive Paint Application
______________________________________
 A. General
 (1)  
The corrosion control treatment contains the steps to apply the primer before you apply the EC-843 or EC-843S Corogard or Aeroflex.

 (2)  
On surfaces that paint stripper can remove to bare metal, apply MIL-C-8514 wash primer and MIL-P-8585 zinc chromate primer.

 (3)  
On surfaces that paint stripper cannot remove to bare metal, apply BMS 10-11, type 1.

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 51-21-95
 ALL  ú ú B01 Page 708 ú Jul 15/96
BOEING PROPRIETARY - Copyright (C) - Unpublished Work - See title page for details.
 B.

C.
D.
E.
A
737-300/400/500MAINTENANCE MANUAL
Standard Tools and Equipment
 (1)  
Stainless steel pressure pot liners and mixing equipment

 (2)  
Metal Sieve - 60 to 80 mesh

 (3)  
For EC-843, DeVilbiss MBC or JGA gun - EX needle and tip, 30 or 36 air cap or Binks No. 18 gun 66 x 66, SD nozzle assembly, or equivalent. Fluid pressure 10 to 20 psi and 60 to 70 psi atomizaoion air.

 (4)  
For EC-843S, use a DeVilbiss MBC or JGA gun, FX needle and tip, 704 or 765 air cap, or Binks No. 18 gun 63 x 63, PB nozzle assembly, or equivalent. Fluid pressure 10 to 15 psi and 50 to 55 psi atomization air.

Consumable Materials

 (1)  
C00638 Primer, MIL-C-8514

 (2)  
C00057 Primer - Low Temperature Sensitive (Zinc Chromate), MIL-P-8585, color Y

 (3)  
C00298 Primer - BMS 10-11, Type I

 (4)  
C00035 Corrosion Resistant Coating- EC-843 (Recommended)

 (5)  
C00035 Corrosion Resistant Coating - EC-843-S (Recommended)

 (6)  
C00844 Paint - Aeroflex G12E25 (Optional)

 (7)  
B00491 Alcohol - Ethyl, MIL-A-6091

 (8)  
B00000 Alcohol - Butyl, TT-B-846

 (9)  
B00528 Solvent - Toluene (Toluol), TT-T-548

 (10)
 B00151 Solvent - Methyl Isobutyl Ketone (MIBK), TT-M-268

 (11)
 B00192 Solvent - BMS 3-2

 (12)
 B00316 Solvent - Aliphatic Naphtha, TT-N-95

 (13)
 B00079 Solvent - Normal Butyl Acetate, TT-B-838

 (14)
 B00139 Solvent - Lacquer Thinner, TT-T-266a

 (15)
 B00148 Solvent - Methyl Ethyl Ketone (MEK), TT-M-261

 (16)
 B00000 Aeroflex Thinner - C25/90S

 (17)
 G00034 Cloth - Clean and lint-free

 (18)
 G00382 Paper - Abrasive, Aluminum Oxide, 280-Grit or Finer

 (19)
 G00876 Paper - Abrasive, Aluminum Oxide, 400-GritReferences

 (1)
AMM 51-21-99/701, Decorative Exterior Paint SystemPrepare the Surface

 S 377-012-B00

 (1)  
On surfaces that paint stripper can remove to bare metal, do these steps immediately before you apply the primer:

 WARNING: DO NOT GET METHYL ETHYL KETONE (MEK) IN YOUR MOUTH OR
_______ EYES, OR ON YOUR SKIN. DO NOT BREATHE THE FUMES FROM MEK. PUT ON A PROTECTIVE SPLASH GOGGLE AND GLOVES WHEN YOU USE MEK. KEEP MEK AWAY FROM SPARKS, FLAME, AND HEAT. MEK IS A POISONOUS AND FLAMMABLE SOLVENT WHICH CAN CAUSE INJURY TO PERSONS AND DAMAGE TO EQUIPMENT.
 (a)  
Use a clean cloth that is moist with a 1:1 mixture of Toluene and MEK to clean the surface.

 (b)  
When the cloth gets dirty, change to a clean cloth.

 (c)  
Dry the surface with a clean, dry cloth.

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