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9/8/98 AC 43.13-1B (2) Rinse the area in cold, clean tap water. (3) (1) Electroclean the area using direct current until water does not break on the sur face. This electroclean process should be ac complished at 12 to 20 volts using the appro priate electrocleaning solution. (2) Rinse the area in cold, clean tap water. (3) Activate the surface using direct current for 1 to 2 minutes, using the activating solution, and accomplish at 6 to 20 volts. (4) Do not rinse. (5) Immediately nickel-flash the surface to a thickness of 0.00005 to 0.0001 inch, using the appropriate nickel solution. (6) Rinse thoroughly. (7) Immediately continue plating with any other solution to desired thickness. (8) Rinse and dry. m. Plating on Low-Carbon Steels (Heat Treated to 180,000 psi). (1) Electroclean the area using direct current until water does not break on the sur face. This electroclean process should be ac complished at 12 to 20 volts, using the appro priate electrocleaning solution. (2) Rinse the area in cold, clean tap water. (3) Reverse-current etch at 8 to 10 volts, using the appropriate activating solu tion, until a uniform gray surface is obtained. Activate the area with reverse cur 10 volts, in conjunction with the proper activating solution until a uniform, rent, 7 to gray-to-black surface is obtained. (4) Rinse thoroughly in cold, clean tap water. (5) Immediately electroplate to color while the area is still wet, using the appropriate nickel solution. (6) Rinse thoroughly. (7) Immediately continue plating with any other solution to desired thickness. (8) Rinse and dry. k. Plating on Copper and Copper Base Alloys. (1) Electroclean the area using direct current until water does not break on the sur face. The electroclean process should be ac complished at 8 to 12 volts using the appropri ate electroclean solution. (2) Rinse the area in cold, clean tap water. (3) Immediately electroplate the area with any of the plating solutions, except silver. Silver requires an undercoat. (4) Rinse and dry. l. Plating on 300 and 400 Series Stain less Steels, Nickel Base Alloys, Chrome Base Alloys, High Nickel Ferrous Alloys, Cobalt Base Alloys, Nickel Plate, and Chrome Plate. (4) Rinse thoroughly. Par 4-62 Page 4-49PDF Image | AFS-640
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