TM 55-1520-240-23-4
5-137.1
REPAIR COMPOSITE WEATHER-PROTECTIVE COVER (AVIM)
(Continued)
5-137.1
PUNCTURE THROUGH ONE SKIN AND CORE (OVER
2 SQUARE-INCHES)
71.
Outline area of puncture (22) with a circle or
oblong. Use pencil compass and straightedge.
NOTE
Do not sand into glass fibers.
Complete removal of primer is not
necessary.
72.
Remove finish to primer from an area 1.5 inches
larger in all directions than outline. Use abrasive
paper (E8). Use cloths (E120) damp with
acetone (E20) as needed to soften finish. Wear
gloves (E186).
73.
Cut out punctured skin and core plug (23) to
layer of adhesive on opposite skin (24). Use
craftsmans knife and chisel. Be careful not to
damage skin.
74.
Roughen surface of adhesive on opposite skin
(24) to remove gloss.
75.
Complete repair with core plug (25) and
fiberglass laminate (26 and 27). (Refer to steps
35 thru 58.)
5-765