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TM 9-2320-360-34-1
b.
Cracks or Splits Repair
(1)
Use sandpaper to remove dirt and paint 3-4 in. (76.2-100 mm) around area of crack.
NOTE
Surface must be dry before patch is added.
(2)
Sand surface where patch will be added.
(3)
Bevel edges of crack in a broad 'V."
NOTE
Patch should extend beyond break about 2 in. (51 mm).
(4)
Cut patch from fiberglass mat and apply resin mixture to underside. Extend patch beyond break about 2 in.
(mm). Press firmly in place. Saturate with additional resin. Allow 1-3 hours to cure.
(5)
Cover exposed surface with additional resin. Allow 1-3 hours to cure.
(6)
For stress areas, lightly sand first patch, then repeat steps (4) and (5).
(7)
Sand exposed surface until smooth.
(8)
Prime and paint surface.
c.
Holes Repair
(1)
Remove damaged material. Bevel edges approximately 20 degrees at outside edge of hole.
(2)
Remove dirt and paint 3-4 in. (8-10 cm) beyond hole area.
(3)
Sand top and underside surface to which patch will be added.
NOTE
Patches should extend past edge of hole 2 in. (51 mm).
(4)
Cut two patches of equal size from fiberglass mat.
(5)
Coat top and underside surface of area being repaired and saturate both patches with resin mixture.
(6)
When tacky, position one patch to inner surface and one patch to outer surface. Press patches together.
Allow 1-3 hours to cure.
(7)
Repeat steps (3) thru (8) to apply additional coats of resin (for appearance). Sand lightly between coats.
(8)
Sand exposed surfaces until smooth.
(9)
Prime and paint.
d.
Follow-On Maintenance
Remove wheel chocks.
16-43 (16-44 blank)
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