TM55-1500-345-23
completed when bubbling ceases. After
NOTE
neutralization, remove all traces of boric acid
solution with generous quantities of water.
Full hardness is attained within maxi.
mum drying time of 24 hours.
b. Treatment After Neutralization. Treat
(4) After walkway coating is completely
affected area by swabbing with 5 percent solution
dry, sand all edges to fair in with adjacent finished
of chromic acid, Federal Specification O-C-303, or
area. Walkways will not be polished or waxed.
5 percent of potassium bichromate, Federal Spec- --
ification O-P-559, followed by flushing with water
(5) Apply MIL-C-46168 paint over entire
and thorough drying.
compound and over edges.
c. Painting. After the above neutralization and
treatment, apply the following paint system:
To
ANTIGLARE
COATINGS.
reduce glare, the top of the fuselage in front of the
(1) Apply two (2) coats of epoxy polyam-
pilot's compartment on aircraft is illustrated in
ide primer, MIL-P-23377, Type I or Primer,
MIL-P-85582.
the engine nacelles forward of the leading edges
(2) Apply (over these coats) one (1) coat
of the wings on the U-8, and the inboard and out-
of primer coating epoxy, MIL-P-52192.
board nacelles of the OV-1 will be painted aircraft
black. Helicopters painted with tactical paint
schemes do not require antiglare paint forward of
NOTE
windshield.
Coating (1), MIL-P-23377, is yellow.
6-14. BATTERY COMPARTMENTS.
When wear, scratching, or other top-
coat damage occurs, the yellow or
a. Neutralization
gray primer undercoats will be ex-
posed indicating that repainting is
(1) Acid Electrolyte. Exercise care to pre-
necessary. T h i s i s e s s e n t i a l t o p r o -
vent acid from spreading to adjacent areas. Wash
tect aluminum or magnesium com-
areas affected by battery acid with 20 percent
posite structures.
solution of sodium bicarbonate, Federal Specifi-
cation O-S-576, in water. Neutralization is
completed when bubbling ceases. After neutrali-
zation, remove all traces of sodium bicarbonate
d. Touchup. Using organizations may touch
solution with generous quantities of water to pre-
up the battery areas after proper neutralization.
vent corrosion.
(1) Acid Battery. One coat acid-proof
(2) Alkaline Electrolyte. Exercise caution
varnish TT-V-51.
to prevent acid from spreading to adjacent areas.
Wash areas affected by electrolyte with 3 percent
(2) Alkaline Battery. One coat MIL-C-
solution of boric acid in water. Neutralization is
83231, Type II coating.
