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 />
7.6.1.2 Dipping. Dipping may be accomplished using any<br />
suitable container for the CPC. It is most suitable for smaller<br />
disassembled parts. It cannot be used for assemblies which<br />
contain any part or area adversely affected by the CPC.<br />
MIL-DTL-53022, PRIMER, EPOXY, CORROSION<br />
INHIBITING, LEAD AND CHROMATE FREE 34<br />
For spray application, do not thin or dilute bulk preservative<br />
(CPC) unless absolutely necessary. Do not<br />
use synthetic wiping cloths. Mask off adjacent areas<br />
to prevent overspray.<br />
7.6.1.3 Spraying. Spraying may be accomplished using<br />
paint spraying equipment, various types of pump sprayers, or<br />
aerosol cans. This method is very effective for application to<br />
large areas where confined areas are not involved. The viscosity<br />
of the material will determine which type of spraying apparatus<br />
to use.<br />
MIL-P-53030, PRIMER, EPOXY, WATER REDUCIBLE,<br />
LEAD, CHROME FREE 35<br />
MIL-DTL-64159, COATING, POLYURETHANE,<br />
CHEMICAL RESISTANT, WATERBORNE 24<br />
7.7 FINISHING.<br />
7.7.1 Iron and Plain Low Carbon Steel. When complete<br />
refinishing is required due to extensive corrosion or loss of<br />
film adhesion, disassemble the equipment and/or structure as<br />
far as practical. Remove the defective paint system per procedures<br />
in Chapter 2 of <strong>TO</strong> 1-1-8.<br />
7.7.1.1 . If the surface, when reassembled in its normal<br />
operating position, will be exposed to direct view, the following<br />
procedure shall apply:<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-PRF-23377, TYPE I & II, PRIMER, EPOXY<br />
CHEMICAL AND SOLVENT RESISTANT 38<br />
MIL-PRF-85582, PRIMER, EPOXY, WATERBORNE 69<br />
MIL-PRF-85285, COATING, POLYURETHANE, HIGH<br />
SOLIDS 50<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 />
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-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 will be topcoated with MIL-DTL-64159<br />
waterborne CARC polyurethane coating; or apply one<br />
coat of MIL-PRF-23377, Type I, Class A (solvent type)<br />
or MIL-PRF-85582, Type I, Class C2 (waterborne)<br />
epoxy primer to a DFT of 0.6 to 0.9 mils (0.0006 to<br />
0.0009 inch) to surfaces that will be topcoated with<br />
MIL-PRF-85285 standard polyurethane coating. In<br />
Change 4 7-25