(4)  
G00215 Brush - Cleaning, Soft-Bristle

 (5)  
C00862 Alodine - 600

 B. References
 (1)  
20-40-11/201, Static Grounding

 (2)  
51-21-41/701, Alodine Coating

 C. Prepare the Surface for Alodine treatment
 NOTE: It is not necessary to clean all areas for alodine treatment.
____ Only clean the areas where skin or fasteners are open to the base metal during the removal of rust and corrosion.
 S 587-006-B00
 (1)  Park the airplane away from the sun and electrically ground (Ref 20-40-11/201).
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 S 167-007-B00
 (2)  Clean the surface correctly to get a satisfactory alodine treatment.
 WARNING: DO NOT GET THE FINISHES, CLEANERS, THINNERS AND SOLVENTS
_______ IN YOUR MOUTH OR EYES, OR ON YOUR SKIN OR CLOTHES. DO NOT BREATHE THE FUMES FROM THESE MATERIALS. MAKE SURE THE AIR FLOWS FREELY THROUGH THE WORK AREA. USE THE NECESSARY RESPIRATORY PROTECTION. KEEP THESE MATERIALS AWAY FROM SPARKS, FLAME AND HEAT.
 (a)  
Prepare the solution as follows:

 1)  Use one part (by volume) solvent alkaline cleaner to two parts water and five to six parts BMS 3-2 Type I solvent.

 (b)  
Apply the cleaner solution and let it soak for a minimum of 10 minutes.

 NOTE:____The solution must be wet on the skins. Apply the cleaner again if it is necessary.

 (c)  
Clean the skins with soft bristle brushes.

 1)  Make sure to clean the countersunk areas and around the rivet heads.

 (d)  
Flush the surface with water (100°F maximum) at high pressure.

 (e)  
Examine the surface for water breaks.

 NOTE: A surface with no water breaks has a continuous layer of
____ water for a minimum of 30 seconds.
 (f) Clean the skin again if there are water breaks.
 D.  Apply the Alodine Treatment
 S 377-009-B00
 (1)  Apply the alodine treatment with a brush.
 (a)  Apply Alodine 600 treatment to all steel fastener heads and adjacent bare aluminum skin surfaces (Ref 51-21-41/701).
 TASK 51-21-95-307-024-B00
 4.  Fastener Sealant Application____________________________
 A.  Standard Tools and Equipment
 (1)  
Extrusion gun or spatula

 (2)  
Fairing Tool - Plastic scraper or duckbill nozzle

 (3)  
Knife - Made from 2024 aluminum sheet with a beveled cutting edge

 (4)  
Pressure spray equipment - standard type

 (5)  
Gum rubber buffing wheel

 B.  Consumable Materials
 (1)  
B00148 Solvent - Methyl Ethyl Ketone (MEK), TT-M-261

 (2)  
B00351 Trichloroethylene, O-T-634

 (3)  
G01163 Clean, Lintless Cloth

 (4)  
B00184 Solvent - BMS 11-7

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 (5)  
A00248 Sealant BMS 5-26 - PR 1422 Class A, Parts A and B

 (6)  
A00250 Sealant BMS 5-26 - PR 1422 Class B, Parts A and B

 (7)  
A00247 Sealant BMS 5-32 - PR 1432, Parts A and B

 (8)  
C00066 Solvent - Toluene, TT-T-266a

 (9)  
G02188 Cloth - Abrasive, Aluminum Oxide, 220-Grit

 (10)
 G01601 Cloth - Abrasive, Aluminum Oxide, 400-Grit

 (11)
 G00382 Paper - Abrasive, Aluminum Oxide, 220-Grit

 (12)
 G00876 Paper - Abrasive, Aluminum Oxide, 400-Grit

 C. Apply the Fastener Sealant
 S 117-012-B00
 (1)  Clean the fasteners.
 (a)  Remove the lubricant before the installation of methyl ethyl ketone or trichloroethylene.
　
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