Piper PA-32RT-300T User Manual

LANCE
II SERVICE
MANUAL
g. Rough
up the bottom and
edges of the hole
with the electric burr
attachment or rough
sandpaper.
Feather
hole into
surrounding
gel coat.
do not
undercut.
h.
Pour out a small
amount
of resin, add
catalyst and
mix thoroughly,
using
a cutting
motion rather
than stirring.
Use no fibers.
i.
Using the
tip of a putty
knife or finger
tips, fill
the hole to about
1/ 16 inch
above the
surrounding
surface
with the gel
coat mixture.
j. Lay
a piece of cellophane
over
the patch
to start the
curing process.
Repeat Step
f.
trimming patch
when partially
cured.
k. After
trimming
the patch,
immediately
place
another
small amount
of
gel coat on
one
edge
of the
patch and
cover with
cellophane.
Then,
using
a squeegee
or the back
of a razor
blade,
squeegee level
with area
surrounding
the patch, leave
the cellophane
on patch
for one
or two hours
or overnight, for
complete cure.
1. After
repair
has cured
for 24
hours, sand
patched
area. using
a sanding
block
with
fine wet sandpaper.
Finish
by priming,
again
sanding
and applying
color coat.
4-20. FIBERGLASS
FRACTURE
AND PATCH
REPAIRS.
a.
Remove
wax, oil
and dirt
from
around the
damaged
area
with acetone,
methyl-
ethylketone
or
equivalent.
b. Using
a key hole
saw,
electric saber
saw.
or sharp
knife cut
away ragged
edges.
Cut
back to
sound material.
c. Remove
paint
three inches
back from around
damaged
area.
d. Working
inside
the structure,
bevel the
edges to approximately
a
30 degree angle
and
rough-sand
the
hole and
the area
around it.
using 80-grit
dry paper.
Feather
back
for about
two inches
all around
the
hole. This
roughens
the surface
for
strong
bond with
patch.
e.
Cover a
piece of
cardboard
or metal
with cellophane.
Tape it
to the outside
of the
structure,
covering
the hole
completely.
The
cellophane
should
face toward
the inside
of the
structure.
If
the repair
is on a
sharp contour
or shaped
area,
a sheet
of aluminum
formed
to
a similar
contour
may be
placed
over the
area.
The aluminum
should
also be
covered
with
cellophane.
f. Prepare
a patch
of fiberglass
mat
and cloth
to cover
an area
two inches
larger
than
hole.
g. Mix
a small
amount
of resin
and catalyst,
enough
to be
used for
one step
at a time.
according
to kit instructions.
h. Thoroughly
wet
mat and
cloth with
catalyzed
resin.
Daub resin
on mat
first, and
then
on
cloth. Mat
should
be applied
against
structures
surface
with cloth
on top.
Both pieces
may
be wet out
on cellophane
and
applied
as a sandwich.
Enough
fiberglass
cloth
and mat
reinforcements
should be
used to
at least replace
the
amount
of reinforcements
removed
in
order to
maintain
the original
strength.
If damage
occurred
as a stress
crack,
an extra
layer or
two of cloth may be used to strengthen area.
i. Lay
patch
over hole
on inside
of structure,
cover
with cellophane,
and squeegee
from
center
to edges
to remove
all air
bubbles
and assure
adhesion
around edge
of hole.
Air bubbles
will
show white
in the patch
and they
should
all be worked
out
to the edge.
Remove
excess resin
before
it gels on
the part. Allow
patch to
cure completely.
Issued:
1/3/78
E17
STRUCTURES
1E17

Piper PA-32RT-300T Specifications

General

Brand	Piper
Model	PA-32RT-300T
Category	Aircrafts
Language	English