01 March 2005
NAVAIR 01-1A-509-3
TM 1-1500-344-23-3
TO 1-1-689-3
c. (AF) Totally immerse equipment in a 55-gallon
drum of Water-Displacing Corrosion Preventive
Compound, Ultra-Thin Film, MIL-C-81309 Type II, or
Compound, Corrosion Preventative 3
Water-Displacing Lubricant and Corrosion Preventive
Water-Displacing
Compound MIL-L-87177 Type I or II Grade B (Volume V,
MIL-C-81309
Chapter 2). If immersion is not possible, spray, brush, or
wipe the interior and exterior of equipment with
h. (N)(A) Liberally apply water displacing CPC,
water-displacing corrosion preventive compound.
MIL-C-81309 Type II (Volume IV, Chapter 2), to affected
areas.
10-4.4. REMOVING PURPLE K POWDER (O-D-1407,
POTASSIUM BICARBONATE) OR OTHER DRY
i. (AF) Apply a liberal amount of MIL-C-81309
CHEMICAL FIRE EXTINGUISHING AGENTS. To
Type II, or MIL-L-87177 Type I or II Grade B, water
remove powder, proceed as follows:
displacing CPC (Volume V, Chapter 2) to the affected
area.
a. If the surplus can be removed by vacuum cleaning,
do so; otherwise, use the following rinse procedure.
j. Enter a notation defining areas and components
that have been exposed to residue from burned materials
b. Use a soft bristle brush and air pressure not
and fire extinguishing agent in the appropriate aircraft,
greater than 10 psi to dislodge contaminants between
missile, or equipment forms, with a requirement for a
close-fitting components.
special inspection for corrosion prone areas or
components at a specified future time to determine if
c. Vacuum clean again.
any corrosion has occurred.
10-4.5. REMOVING MIL-F-24385, AQUEOUS FILM
FORMING FOAM (AFFF). To remove residues of salt
Compound, Aircraft Cleaning
4
water solutions of AFFF fire extinguishing agent, proceed
MIL-PRF-85570
with steps a. through j. below. To remove residues of
fresh water solutions of AFFF, use the same procedure
d. (N) (A) Remove the residual film of dry powder
but omit steps b. through d.
adhering to the surface by wiping, brushing, or spraying
with a solution of one part aircraft cleaning compound,
NOTE
MIL-PRF-85570 Type II (Volume IV, Chapter 2), in nine
parts of water.
The following procedure applies to AFFF and
salt water mixture normally used aboard ship.
e. (AF) Remove the residual film of dry powder
AFFF and fresh water mixtures usually do not
adhering to the surface by wiping, brushing, or spraying
present a corrosion problem. However, cleanup
with a solution of one part of MIL-PRF-87937 Type IV or
of residues after a fire is required for corrosion
MIL-PRF-85570 Type II aircraft cleaning compound
prevention.
(Volume V, Chapter 2), in nine parts of water.
a. Flush all affected areas with fresh, clean water
f. Rinse thoroughly with fresh water.
while draining. Whenever possible, units or components
which have been removed should be immersed in fresh
g. Dry with cloths or paper towels, or blow dry with
water and then flushed thoroughly with fresh, clean
air pressure not greater than 10 psi.
water. Drain away the water.
b. Mix a solution of one pint of AFFF fire extinguishing
agent (MIL-F-24385) in 10 gallons of fresh water.
10-4
