![]() TT-V-121, may be used as a shop coating to prevent scratching of the sheets during fabrication. – A clear varnish type coating, such as material conforming to Federal Specification No. (b) CLEAR PRIMER FOR ALUMINUM COATED (ALCLAD) ALUMINUM ALLOYS. SP 790 or equivalent) per gallon of zinc chromate primer. ![]() Whenever carbon black tinted primer is specified, it shall consist of, or be equivalent to, 8 ounces of carbon black tinting paste (Fuller’s No. The quantities are based on 1 gallon of package material before reduction.Ģ. TT-A-468, to be used where aluminum pigmented paint coatings are specified. The following table gives the recommended quantities of aluminum powder, or paste, conforming to Federal Specification No. The surfaces in contact and the faying surfaces of anodized aluminum alloy, aluminum, and Alclad, in any combination, may be assembled without paint.ġ. (21) The surfaces in contact and faying surfaces of cadmium plated steel parts and cadmium plated copper alloys with aluminum, Alclad or anodized aluminum alloys shall be assembled without paint. (20) The outer seams of the fuselage covering shall be sealed with liquid sealing compound (zinc chromate compound). (19) Rubber and rubber-like surface shall not be painted or greased. Additional insulation, between dissimilar metals of fire wall and parts attached thereto, shall not be required. Steel parts, other than corrosion-resistant steel, attached directly to fire wall sheet shall be cadmium plated only. (18) Aluminum alloy parts attached directly to fire wall sheet shall be anodized only. (17) No paint coating shall be applied to either side of the fire wall, or to parts and surfaces of the engine section forward of the fire wall. (16) Interior surfaces of cowling shall not be painted. (15) Cables shall be dipped in hot 71☌ (160☏) heavy rust preventive compound, U.S. (14) The top surface of wood tables in the navigator’s compartment shall be finished as follows: The interior of the inboard nacelles and the inside of the bomb doors shall not be camouflaged. (13) The exterior metal surfaces of the airplane shall be finished with one coat of camouflage paint, with color combinations in accordance with U.S. (12) The surfaces between the corrugation and the outer sheet of the floors shall not be painted. (11) The interior surfaces of the chords of the wing spars, the interior surfaces of the body bulkhead chord members at stations 4 and 5, and of the diagonal bulkhead members between the chords at station 4 and station 5 shall be coated with P-27 primer after the riveting is complete. (10) Air ducts and parts attached to air ducts shall not be anodized or painted inside or outside. (9) The floor of the lavatory compartment and all parts and structure directly below the floor, as well as the side walls for a distance of 12 inches above the floor, and around the toilet seat shall be given one coat of acidproof paint. (8) All surfaces inside the wing in the vicinity of the fuel tanks shall be sprayed with two coats of zinc chromate primer as a spark inhibitor. (7) The surfaces between the outer skin of the wings and the corrugations panels shall not be painted. (6) Seats, tables, and other such items need not be painted, except as noted in paragraph (14). (b) The interior surfaces of fabric-covered control surfaces only shall be finished with one coat of primer and one coat of carbon black tinted primer after the structure is as complete as possible. (a) The interior exposed metal surfaces in the control cabin shall be finished with one coat of primer and one coat of dark green lacquer after installation. (5) The interior surfaces of the wings, stabilizer, fin, nacelles, body, and those surfaces behind the sound-proofing and control surfaces shall not be painted regardless of the material used, except as follows: (4) Aluminum alloy parts may be anodized after assembly. (3) All interior and exterior parts fabricated from aluminum alloys shall be anodized only except those from the following alloys: 24ST ALCAD ALUMINUM ALLOY 17ST ALCAD ALUMINUM ALLOY 3S ALUMINUM ALLOY 52S ALUMINUM ALLOY and 2S ALUMINUM. (1) All interior and exterior parts fabricated from steel, except corrosion-resistant steel and armor plate, shall be cadmium plated only. The following summary shall be used as a guide only, and reference should always be made to the specification for final authority. ![]() 3-100-H with the Boeing B-17F airplane detail Specification No. D-2304, which consolidated the general U.S. – All interior, exterior, and detail finishing must be in accordance with Boeing finish Specification No. While these excerpts are taken from a F-type B-17 manual, the instructions given here changed little throughout the wartime B-17 series.Ī. Erection and Maintenance Instructions for Army Model B-17F/British Model Fortress II. The Boeing B-17’s color palette, with equivalent FS numbers where applicable.īoeing Aircraft Company.
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