(2)
Apply decal markings as necessary.
(3)
Apply BMS 10-79, Type II primer, DeSoto 513-329 per par. 5 and 6.
(4)
Apply enamel topcoat 643-3 and 663-3 per par. 7 and 8. For 683-3 metallic enamel colors, refer to par. 9.
G. BMS 10-72, Type III (Alodine 1000 or 1200, BMS 10-79, Type II Primer and U.S. Paint Enamel)
(1)
Prepaint clean and pretreat surface (Method II) (Ref 51-21-21, Cleaning/Painting).
(2)
Apply decal markings as necessary.
(3)
Apply BMS 10-79, Type II primer, DeSoto 513-329, per par. 5 and 6.
(4)
Apply enamel topcoat AA92 per par. 7 and 8. For metallic enamel colors, refer to par. 9.
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H. BMS 10-72, Type III (Alodine 1000 or 1200, BMS 10-79, Type II Primer and Sterling Enamel)
(1)
Prepaint clean and pretreat surface (Method II)(Ref 51-21-21, Cleaning/Painting).
(2)
Apply decal markings as necessary.
(3)
Apply BMS 10-79, Type II primer, DeSoto 513-329, per par. 5 and 6.
(4)
Apply enamel topcoat U-10XX per par. 7 and 8. For metallic enamel colors, refer to par. 9.
4. Decorative Paint System (Not Described by BMS 10-72)
A. BMS 10-60, Type II (Alodine 1000 or 1200, BMS 10-79, Type II Primer and DeSoto Enamel)
(1)
Prepaint clean and pretreat surface (Method II)(Ref 51-21-21, Cleaning/Painting).
(2)
Apply decal markings as necessary.
(3)
Apply BMS 10-79, Type II primer, DeSoto 513-329, per par. 5 and 6.
(4)
Apply enamel topcoat 822-T-203 per par. 7 and 8. For metallic enamel colors, refer to par.
9.
5. Primer Mixing
A. The primer consists of a two-component kit containing resin base and curing agent. Thinner is supplied separately when required.
B. Agitate the primer base material and curing agent thoroughly just prior to mixing. Agitate sufficiently to incorporate all solids that may have settled out during storage.
C. Catalyze the primer by adding the proper amount of curing agent to resin base according to Fig. 701. Stir the base continuously while adding the curing agent. Immediately after catalyzing, thin the primer with the proper amount of reducer required for spray viscosity according to Fig.
701.
D. Label the container with the date and hour of mixing and the date and hour the pot life expires.
E. Spray equipment used for wash prime r must be clean. Flush out with alcohol before and after using.
CAUTION: PRESSURE POT LINERS AND EQUIPMENT OF STAINLESS STEEL WILL RESIST ATTACK BY THE ACID IN THE WASH PRIMER. DO NOT USE ALUMINUM LINERS.
F. Spray equipment used for application of other primers shall be thoroughly flushed with methyl ethyl ketone (MEK) or methyl isobutyl ketone (MIBK) and dried before and after use.
6. Primer Application
A. Do not apply wash primer over previously painted surfaces.
B. Wash primer films that are too thick or that have cured over 4 hours shall be stripped according to 51-21-21, Paint Stripping, and reapplied.
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Primers 500
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500 Primers
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Enamel Topcoats 500
51-21-171 Figure 702 (Sheet 1) Nov 15/77
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500 Enamel Topcoats
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Enamel Topcoats 500
51-21-171 Figure 702 (Sheet 3) Nov 15/77
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500 Enamel Topcoats
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