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6.3.9
(continued)
B.
Repair Procedure
When a compound fiber glass fracture is accessible only from the outside
of the structure, repair it as instructed in Section 6.3, Procedures C
through H. However, when removing the damaged fiber glass initially with
the power sander (Procedure C, Step 1, in Section 6.3), do not sand all
the way through the structure so that a hole is formed. Leave just enough
damaged material to serve as a backing for the patch.
6.3.5
Repairing Punctures From Outside and
Inside The Structure
Power Sander
24 grit sanding disc
Sanding block
Rubber squeegee
Putty knife
scissors
Stirring stick
Paintbrush
White cloth
Cellophane
NOTE:
A puncture is a hole that goes all the way through the
fiber glass structure being repaired. When the hole
is accessible from both outside and inside the structure,
repair it as instructed in this chapter, beginning on
the outside (Procedure H, below).
H.
Repairing Outside of Structure
1.
Remove all damaged fiber glass as instructed in Section
6.3, Procedure C.
2.
Now go to the inside of the structure and cut
-
a piece of cardboard that overlaps the hole by
at least one inch. Shape the cardboard so that
it conforms perfectly (comes in complete contact)
with the hole.
3.
Place a piece of cellophane over the INSIDE of the
cardboard (the side that will come in contact with the hole
and surrounding area).
TOOLS
MATERIALS
Fiber glass mat
Fiber glass cloth
Resin
Catalyst
Sandpaper 50-100 grit
Gelcoat
Cab-o-sil
Cardboard
Acetone
Woven Roving
Masking Tape
SECTION 6
Page 22
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