Raytheon Beech Baron E55 - Page 522

~eechcraft
BARON
55
AND
58
SHOP
MANUAL
screw
either
clockwise
or
counterclockwise
until the this
minimum
temperature
throughout
the
installation.
anti-ice
fluid indicator
gives
a
full
reading.
The
heating
operation is-unnecessary during
warm
d.
Replace
the
cover
on
the
junction
box.
seasons.
A
maximum
temperature
of 150"F
shall
not
be
exceeded.
INSTALLING
THE
PROPELLER
ANTI-ICE
4.
Brush
apply
one
thin uniform
coat
of
EC776
BOOT
cement
(46,
Consummabie
Materials
Chart,
Section
I
2)
over
the entire
cleaned
area
of the
blade.
Allow
one
a.
Locate
the anti-icer
boot
in
the
following
manner:
hour
to
air
dry.
1.
Sight
along
the
centerline
of
the blade
leading
5.
Brush
a
thin
coat
of
Bostic
1007P
cement
edge
and
make
a
temporary
mark
on
the
hub
directly
primer
(47,
Consumable Materials
Chart,
Section
2)
I
guide
in
locating
the
boot.
for
up
to
three hours. Thistime
may
be
shortened to
2.
Place
the boot
along
the
leading
edge
of the
30
minutes
by
accelerated
aging
under
heat
lamps
or
blade
as
follows:
Chromalox
heaters
at
150"F. Check
the
perimeter
for
hardness
by
scratching
with
a
thumb nail.
If
any
a)
Locate
the end
of the
boot
one
inch
from the
degree
of tackiness
is
indicated,
additional
cure
is
propeller
hub
clamp,
then
locate the
centerline
of
the
needed
before
applying
the
bonding
cement.
boot
1/8
to
1/4
inch
forward
of the
leading edge
cen-
terline
on
the
propeller
blade.
At
the
outboard
end of
6.
Brush
a
heavy
coat
of
Bostic
1008
cement
the
boot,
locate the
centerline
of
the
boot
on
the
lead-
primed
blade and
a
similar
coat
on
the
sanded side
of
I
(48,
Consumable
Materials
Chart,
Section
2)
on
the
ing edge
centerline
of
the
propeller
blade.
the
boot. Allow
to
stand
45
minutes and
repeat
the
3.
Mask
around
the
area
covered
by
the
boot,
brush
coat
operation
on
both
the surfaces.
leaving
a
1/4
inch border
on
all
sides
except
for the
outer
end where
the border
is
increased
by
the
7.
Allow
the second
cement coat to
dry
about
30
amount
of
stretch,
minutes
before
placing
the boot
into
position.
Do
this
by
aligning
the
inboard
end
center
with the
propeller
b.
Prepare
the
blade
for
bonding
by:
hub
mark
and
working
outward.
It
is
necessary
to
1.
Remove the
paint
or
other
organic
coating
stretch the
boot
ienghtwise
over
the blade
in
the
area
within the
mashed
area
with
a
suitable
paint
stripper,
between the
root
end
and the
flat
cross
section
in
In
many
instances,
stripping
may
be
accomplished
order
to
prevent
wrinkling
of the boot
at
the
edges.
I
with
methyl
ethyl
ketone
(19,
Consumable
Materials
The outward section
of
the
boot will
lay
into
position
Chart,
Section
2).
2.
After
stripping
off
the
organic coating,
clean
glue
line. Roil
the boot
firmly by working
outward
from
I
the
area
with
a
cloth
wet
with
toluol
(20,
Consumable
the full
length
of the
centerline
in
order
to
prevent
Materials
Chart,
Section
2), scrubbing
well,
and follow
excessive
local
stretching
and
the
trapping
of
air
under the boot.
with
a
clean
dry
cloth.
Finally,
clean
with
a
cloth
wet
I
(not
dripping)
with
methyl
ethyl
ketone
(19,
consum-
8.
Remove
the
masking
tape
carefully
so
that
low
with
a
clean
dry
cloth before
the solvent
evapo-
turbed.
rates.
9.
Remove
any
trapped
air with the aid
of
a
c.
Prepare
the
boot for
bonding
by:
hypodermic
needle and
roller.
i.
Mask the
perimeter
on
the
ribbed side with
10. Allow
the installation
to
cure
48 hours
undis-
1/4-inch
tape
to
prevent
excessive
curling
of the feath-
turbed before
placing
into service.
ered
edges,
after
the
cement
is
applied.
WINDSHIELD
ANTI-ICING
SYSTEM
2. Sand
the
smooth sides
thoroughly
with No.
I
280-grit
adhesive
paper
and
clean with
naphtha
(18,
(ELECTRICAL)
TE-
1169
AND
AFTER,
Consumable Materials
Chart,
Section
2).
The
boot
is
TH-1080 AND
AFTER)
now
ready
to
install
on
the
blade.
On
these
airplanes
ice
may
be
prevented
from form-
3.
Warm the
cleaned blade
to
700F
(minimum)
ing
on
the
windshield
by
an
electrical windshield
with
heat
lamps
or
equivalent
heaters
and
maintain
heater
11-42
515