TM 55-1520-240-23-4
5-137
REPAIR WEATHER-PROTECTIVE COVER (AVIM)
(Continued)
5-137
26.
Remove adhesive from holes (4). Use
hypodermic syringe.
27.
Apply polyvinyl sheet (E284) (13) over repair
area (10). Secure sheet with shot bags (14).
28.
Cure adhesive as in step 12.
29.
Mix adhesive as in step 10. Fill holes (4) with
adhesive mix. Use hypodermic syringe.
30.
Cure adhesive at 70º - 80ºF (21º - 27ºC) for 24
hours.
INSPECT
REPAIR SKIN CRACKS
31.
Repair cracks at edge of honeycomb. Cracks
may appear under cover.
32.
Cut two strips (15) of glass cloth (E130) 1 inch
larger than crack on all sides.
33.
Sand damaged area (3). Use 120 grit abrasive
paper (E7). Remove dust. Use vacuum cleaner.
Do not wipe contaminants into
damaged area.
34.
Clean surface around damaged area (3). Use
cloth (E120) damp with acetone (E20). Work
away from damage. Wear gloves (E186).
35.
Wipe damaged area (3) clean. Use dry cloth
(E120). Turn cloth often. Wipe until no color is
on cloth.
36.
Mix adhesive (E40). Follow instructions on
container. Wear gloves (E186).
37.
Apply adhesive (E40) to damaged area (3).
38.
Position one piece of glass cloth (E130) (15)
on damaged area (3). Coat cloth with adhesive
(E40). Tamp cloth. Use adhesive brush.
5-749
