TM 55-1500-345-23
a. Lightly sand damaged area using 280 grit
abrasive cloth.
COATING ON UH-60 COCKPIT DOOR.
The UH-60 cockpit doors are bonded assemblies
made of Kevlar. The doors are coated with conduc-
with
are
solvent,
damaged
b. Wipe
tive coating, P/N 52-03-4914-000, for EMI shield-
MIL-T-81772 Type 3, to remove surface contamina-
ing. Scratches or light damage to conductive coat-
tion.
ing will have to be scuff sanded at the damage area.
Repair damaged area and paint as follows:
c. Apply one coat of epoxy primer,
MIL-P-23377. Allow primer to dry at least one hour
to eight hours.
Volatile and toxic fumes occur when
d. Conducting coating can be thinned to spray
using solvents, causing both a fire and
viscosity with thinner MIL-T-81772.
a health hazard.
e. Apply three coats of conductive coating, P/N
Provide proper ventilation and protec-
52-03-4914-000, to make 0.003 to 0.004 inch thick
tive clothing, including eye shield, when
coat. Allow 1/2 hour minimum drying time between
using solvents. Avoid breathing vapors
coats.
and skin contact as much as possible.
Wash contacted skin with soap and
f. After the last coat, the conductive coating
water. If solvent contacts eyes, flush
shall be allowed to dry for one hour minimum.
them with clean water and get immedi-
ate medical help.
g. Apply top coat evenly to blend with original
surface around the area to be touched up. The top
coat thickness shall not exceed a dry film thickness
of 1.8 Mils.
To prevent damage to Kevlar laminate,
do not allow solvents to contact
h. Touch-up shall be done in open areas when
exposed fibers. Do not allow solvents to
using brushes or rollers.
remain in contact with Kevlar laminate.
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