TO 1-1-700 - Robins Air Force Base
TO 1-1-700 - Robins Air Force Base
TO 1-1-700 - Robins Air Force Base
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<strong>TO</strong> 1-1-<strong>700</strong><br />
either case, MIL-PRF-26915 waterborne zinc rich<br />
primer may be applied to steel surfaces to a DFT of 2.0<br />
to 3.0 mils (0.0020 to 0.0030 inch) for one coat or 4.0 to<br />
6.0 mils (0.004 to 0.006 inch) in lieu of the epoxy primers.<br />
Application shall be per procedures in Chapters 4,<br />
5, and 6 of <strong>TO</strong> 1-1-8.<br />
d. d.Apply two coats of either MIL-PRF-85285 standard<br />
polyurethane coating or MIL-DTL-64159 waterborne<br />
CARC polyurethane coating to a DFT of 1.8 to 3.2 mils<br />
(0.0018 to 0.0032 inch) over the primer per procedures<br />
in Chapters 4, 5, and 6 of <strong>TO</strong> 1-1-8. The color and gloss<br />
shall match the existing coating system as specified in<br />
equipment system specific technical data or as otherwise<br />
directed by the equipment SPM.<br />
7.7.1.1.1 . Where only partial refinishing (touch-up) is<br />
required for a few small scratches, nicks, or spots where corrosion<br />
was removed on painted surfaces, the following procedure<br />
shall be used:<br />
a. Scuff sand and feather out painted edges and all corroded<br />
or scratched surfaces to be refinished per maintenance<br />
painting and touch-up procedures in Chapter 5 of<br />
<strong>TO</strong> 1-1-8.<br />
b. Clean the entire surface to be touched-up of all dust,<br />
dirt, oil, and grease by solvent wiping per procedures in<br />
Chapter 3 of <strong>TO</strong> 1-1-8 prior to priming and top coating.<br />
Apply the same primers and topcoats noted in paragraph<br />
7.7.1.1 using maintenance painting and touch-up procedures<br />
in Chapter 5 of <strong>TO</strong> 1-1-8.<br />
NOTE<br />
In lieu of the phosphate treatment, steel surfaces may<br />
be primed directly with MIL-PRF-26915 waterborne<br />
zinc rich primer applied per procedures in <strong>TO</strong> 1-1-8.<br />
MIL-DTL-53022, PRIMER, EPOXY, CORROSION<br />
INHIBITING, LEAD AND CHROMATE FREE 34<br />
MIL-P-53030, PRIMER, EPOXY, WATER REDUCIBLE,<br />
LEAD, CHROME FREE 35<br />
MIL-PRF-23377, TYPE I & II, PRIMER, EPOXY<br />
CHEMICAL AND SOLVENT RESISTANT 38<br />
MIL-PRF-85582, PRIMER, EPOXY, WATERBORNE 69<br />
7.7.1.2 . If surface, when reassembled in its normal operating<br />
condition will not be exposed to direct view except while<br />
under repair, the following procedure shall be used:<br />
a. Clean surface of dirt, oil, grease, welding flux, and all<br />
loose scale per procedures in Chapter 3 of <strong>TO</strong> 1-1-691.<br />
MIL-C-10578, COMPOUND, CORROSION REMOVING<br />
AND METAL CONDITIONING 20<br />
b. For DEPOT LEVEL maintenance, surfaces of the disassembled<br />
steel parts shall be given a TT-C-490, Type I<br />
zinc phosphate treatment per procedures in <strong>TO</strong> 42C2-1-<br />
7 when treatment tanks are available. For FIELD<br />
LEVEL maintenance and when this treatment is impractical<br />
due to unavailability or part size, surfaces shall be<br />
treated with an appropriate type of MIL-C-10578 metal<br />
conditioner per procedures in Chapter 5 of <strong>TO</strong> 1-1-691.<br />
MIL-PRF-26915, PRIMER, ZINC RICH, WATERBORNE 39<br />
c. Properly prepare the surface by solvent wiping per procedures<br />
in Chapter 3 of <strong>TO</strong> 1-1-8. Apply one coat of<br />
MIL-DTL-53022 (solvent type) or MIL-P-53030<br />
(waterborne) epoxy primer to a dry film thickness<br />
(DFT) of 0.9 to 1.1 mils (0.0009 to 0.0011 inch) to<br />
surfaces that require a CARC coating; or apply one coat<br />
of MIL-PRF-23377, Type I, Class A (solvent type) or<br />
MIL-PRF-85582, Type I, Class C2 (waterborne) epoxy<br />
primer to a DFT of 0.6 to 0.9 mils (0.0006 to 0.0009<br />
inch) to surfaces that do not require a CARC coating. In<br />
either case, MIL-PRF-26915 waterborne zinc rich<br />
primer may be applied to steel surfaces to a DFT of 2.0<br />
to 3.0 mils (0.0020 to 0.0030 inch) for one coat or 4.0 to<br />
6.0 mils (0.004 to 0.006 inch) in lieu of the epoxy primers.<br />
Application shall be per procedures in Chapters 4,<br />
5, and 6 of <strong>TO</strong> 1-1-8. No topcoat is required over the<br />
primer.<br />
7-26 Change 4