TM 10-5411-201-14
T.O. 35E4-178-1
4-38.
(cont)
1.
Pack adhesive in core cells to fill exposed area above surface of
panel skin.
m.
Apply heat using tripod base heat lamp, Appendix B, item 16, at
200°F (93.3°C) for 40 to 60 minutes to fully cure adhesive. Alternate cures:
150° F for 4 hours or 75° F for 72 hours.
n.
Sand cured adhesive with sandpaper to obtain a smooth contour with
surface of panel skin.
o.
Wipe sanded area and patch with a clean cloth dampened in solvent
and immediately wipe solvent from surfaces with a clean, dry cloth.
P.
Mix sufficient amount of adhesive in accordance with manufacturer’s
instructions to coat one side of patch.
q.
Apply a thick film of adhesive to mating surface of patch.
r.
Place patch over prepared area in same orientation used in step g.
s.
Align holes and using hand blind riveter, install 1/8 in. (3.18 mm)
diameter blind rivets (Items 15-16, Appendix E).
(Refer to paragraph 4-33 )
t.
Clean repaired surface.
u.
Caulk around repair patch.
(Refer to paragraph 4-43 )
v.
Refinish in accordance with paragraph 4-44.
4-39.
REPAIR OF PUNCTURE THROUGH ONE SKIN AND CORE.
NOTE
The following procedure covers repair of panel puncture
through one skin with core damage, (damaged area does not
exceed 100 square in. (645 sq. cm)).
a.
Cut an opening through panel skin with portable electric router,
Appendix B, Item 15, that is one inch greater than damaged area.
Avoid sharp
corners in opening.
NOTE
Openings may be oval, circular, square, or rectangular
with rounded corners.
4-172
