TM 55-1520-240-23-4
5-137.1
REPAIR COMPOSITE WEATHER-PROTECTIVE COVER (AVIM)
(Continued)
5-137.1
99.
Cut two pieces of fiberglass laminate (E168.1)
(43) for each side of cover (1) large enough to
overlap cutout (37) 1.0 inch in all directions. If
cutout is not circular, cut pieces so that fiber
orientation between pieces will be 45º when they
are in position.
100.
Clean cutout (37) and surrounding area, core
plug (38), and laminate (42) (if applicable). Use
clean cloths (E120) damp with acetone (E20).
Wipe dry with a clean dry cloth. Repeat until
there is no residue on dry cloth.
101.
Prepare mixture of adhesive. (Refer to steps 106
thru 109.)
102.
Apply coat of adhesive to sides of core plug (38).
Set plug in cutout (37) flush with surrounding
core (39) or top and bottom surfaces of cover (1),
as applicable. Align matchmarks, if applicable.
103.
If laminate pieces (42) are needed for filler, install
over core (38) on each side of cover as follows:
a.
Remove protective film from each side of two
fiberglass laminate pieces (42). Carefully pull
at right angle to direction of fibers.
b.
Apply a coat of adhesive to underside or one
installed piece (42). Press piece against plug
(38).
c.
Apply coat of adhesive to top of installed
piece (42) and underside of second piece.
Press against second piece to firmly seat
flush with surrounding skin of cover (1).
5-770
