Raytheon Beech Baron E55 - Page 508

’I)eechcraft
BARON
55
AND
58
SHOP
NIANUAL
area;
however,
if
the
entire
surface
ply
has
been
j.
To
restore
the
conductive
surface,
apply
one
light
removed,
exposing
the
brown
natural
rubber under- coat
of
A56B
cement
to
the
patched
area
extending
neath,
or
if
the
boot
is
cut,
torn
or
ruptured,
it is
nec-
beyond
the
buffed
area.
conductive surface.
Allow
the
essary
to
patch
the
damage.
B.F.
Goodrich
Repair
Kit
cement to
dry
thoroughly (at
least
one
hour)
and
apply
No.
74-451-C contains cold
patches
suitable
for
a
second
light
coat.
The
airplane
may
be flown
as
repairing
damaged
area.
A
cold
patch
on a
deicer
soon
as
the
cement
is
dry;
however,
do
not
operate
boot,
however,
is
a
temporary
or
emergency
method
the
deicers until the
cement
has
dried for
at
least four
of
repair,
and
at
the first
opportunity
the
boot should
hours.
be
removed and
returned
to
the
factory
for
a
vulca-
nized
repair.
Cold
patch
repairs
can
be made
by
the
SURFACE
DEICER
BOOT REMOVAL
following
methods:
Soften the
adhesion
line of
the boot
with
toluol.
Apply
a
minimum
amount
of
toluol
to
the
seam
line
of the
a.
Clean around the
damaged
area
with
a
clean
lint-
free
cloth
moistened with
toluol
or
uncontaminated,
boot
while
exerting
just
enough
pressure
to
peel
back
nonleaded
aviation
gasoline.
the
boot.
Work
slowly enough
for
the solvent
to
under-
cut
the
boot
to
prevent
damage
to
the boot
surface.
b.
Select
a
patch
which
will
extend
at
least
one
half
inch
beyond
the
damaged
area
in all directions.
NOTE
c.
Buff
the
area
around the
damage
with
steel
wool
Use
as
little
solvent
as
possible
on
a
or
fine
sandpaper
to
remove
the conductive
coating
brush
or
long-spouted
oil
can.
and
thoroughly
roughen
the
exposed
surface.
SURFACE
DEICER
BOOT
INSTALLATION
NOTE
a.
Clean
the
area
to
be
covered
by
the
boot
with
a
A
locally
manufactured
buffing
shield
will
clean
grease-free
cloth
soaked
in
methyl
ethyl
ketone.
assure
a
neater
job.
The
shield
can
be
Change
cloths
frequently,
and
never
dip
a
used
cloth
fabricated
from
any
thin sheet material
in
the
clean
supply
of
methyl
ethyl
ketone.
such
as
acetate,
steel,
etc.,
formed
into
long
strips
and
taped
to
the
boot
around
b.
Reclean
the metal
surface
with
a
clean cloth
the
perimeter
of the
damaged
area.
soaked
with
methyl
ethyl
ketone,
then
quickly wipe
the
Remove the
buffing
shield
after
the
area
surface
dry
with
a
clean
dry
cloth.
has
been buffed.
c.
Vigorously
scrub the metal surface with
a
dean,
d.
Wipe
the
buffed
area
with
a
clean
lint-free
cloth
grease-free
cloth
wetted with Turco Metal-Glo No.
3.
moistened with toluol
or
uncontaminated,
nonleaded
After
one
minute
wipe
the surface
dry
with
a
clean
dry
gasoline
to
remove
all
loose
particles,
cloth. Cover the
cleaned
surface
with
kraft
paper
and
wait
an
hour
before
rechecking
the
surface
for clean-
e.
Brush
one even
coat
of
No.
4
cement
(supplied
in
liness
with
a
clean,
dry
white
cloth.
If
the
clean cloth
the
repair
kit)
on
the boot
corresponding
to
the
patch.
picks
up any
dirt,
repeat
the
preceding
steps.
Remove the
backing
from the
patch
and
apply
one
coat
of
cement
to
that
surface
of
the
patch.
I
CAUTION
f.
Allowthecementtoset
untiltacky.
g.
Position the
patch
over
the boot
and make
contact
Use
plastic,
not
metal,
containers for
with
one
edge
or
the
center
of the
patch.
Work down
Turco
Metal-Glo
No.
3.
It
is
also
/ecom-
the
remainder
of
the
patch
carefully
to
avoid
trapping
mended that
persons
handling
the
air
pockets.
Roll
the
patch
thoroughly,
starting
from
cleaner
wear
rubber
gloves
even
though
the
center
and
working
to
the
edges.
the cleaner
is harmless
to
skin if
imme-
h.
Allow
the
patch
to set
for
ten
to
fifteen
minutes,
diately
washed
off
with
water.
then
wipe
the
patch
and
surrounding
area
with
a
clean
lint-free cloth moistened with toluol
or
uncontami-
d.
Carefully
clean
the
rough
backside
on
the
boot
at
nated,
nonleaded
gasoline.
least
twice with
a
clean,
grease-free
cloth moistened
i.
Satisfactory
adhesion
of
the
patch
will
be
reached
with
toluol.
Change
cloths
frequently
to
avoid
recon-
in
about four
hours;
however,
the
boot
may
be
inflated
taminating
the
cleaned
portions
of
the boot.
If
neces-
to
check
the
repair
after
a
minimum of 25 minutes,
sary,
continue
wiping
the
boot
until
completely
clean.
11-28
515