Mooney M20K - Page 229

SERVICE
AND
MAINTENANCE
MANUAL
M20K
MOONEY AIRCRAFT
CORPORATION
ilsl
FIBERGLASS
CLOTH
.375
i/
Li
zcr
.025 T-3
ALUM.
i
i
LAMINATE
275’
.025 T-3
ALUM.
CRACK
.03~
(SEE
SECTK)N
51-15-00.
a
2)
Ilsl
FIBERGLASS
CL(T~
OVERLAP
(1)
LAYER FlBERGLASS
ALUM,
PLATES
LAMINATE
FLUSH
RIVET
CMP.)
LlNISHED
SURFACE
IL~
LlBET~GLASS
BOND
IN
PLACE
SM51-21
COMMON STRUCT.
LAMINATE
REPAIR-METAL
INSERT
FIGURE
51-21
8.
Upon
completion
of
steps
1
thru
7.
permit
the 1.
Apply
wet
coat
of
catalyzed
epoxy
resin
to
cham-
repair
to
cure
before
attempting
further
treatment
of fered surface.
appearance
surfaces,
if
required.
2.
Apply
one
layer
of
#181
fiberglass
cloth
saturated
9.
Appearance
surfaces
will
normally
require
the
ap-
with
catalyzed
epoxy
resin.
plication
of
a
filler-sealer
coating.
The
appearance
area
3.
Add
additional
plys
of
#181
fiberglass
cloth
is
to be
wiped
clean,
using
a
clean
cloth saturated
with
saturated
with
epoxy
resin
to
attain
original
laminate
M.E.K.
prior
to
applying
a
filler-sealer
coating,
thickness.
10.
Mix
epoxy
resin
and
catalyst
per
manufacturers 4.
Apply
one
layer
of
#181
fiberglass
cloth
to
the
specifications
and
apply
to
the
appearance
surface
non-finished side
of
laminate,
extending
1/2"
each side
area.
Care
should
be
taken
to
assure as
smooth
as
of the
chamfer
and bond
in
place.
possible
surface
in
this
particular
operation.
5.
Lay
wax
paper
over
both sides
of
the
repaired
Permit
this
surfacing
coat
to
cure
prior
to
any
addition-
area
while
still
wet.
This
prevents
adhesion
to
the
pres-
al
applications
or
further
rework,
sure
clamp
application
(paragraph
6).
11.
Using
#240
sandpaper,
sand
and
blend the
6.
Place
rigid
aluminum
plates
on
both
sides
of
repaired
area
to
match
the
surrounding
surtace.
Steps
repair
area
and
clamp
into
place
with
"C"
clamps.
Per-
10
and
11
may
be
repeated
to
acquire
a
satisfactory
mit
laminate
repair
to
cure.
surface
finish.
7.
After
fiberglass
repair
has
cured,
remove
clamps
and
install
#3
AN426 rivets. Flush
head
to
be
on
51-15-04
COMMON
STRUCTURAL
finished surface
side.
The
number of
rivets
and
spacing
LAMINATE
REPAIR
(FIG. 51-22)
will
be
determined
by
the size of
the
repair.
(FIBERGLASS-RESIN
COMBINATION)
51-15-04
20
OLDWILLWAYNE