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supply
of MEK,
by dipping
a
used
cloth into it
Re-
of 30
minutes
to
dry.
Apply a second
coat to each
peat
the
process.
Now,
using
a clean,
damp cloth
surface
in
a smooth,
even layer.
Brushing
in
one
and a clean
dry cloth,
go over
the
area
again;
use
area
too
long,
tends to
soften
the
first
coat and
"rol-
the
dry cloth (following
the
damp cloth)
to
wipe
the
ling"
and "balling
up"
will result.
Allow the coating
surface
dry,
rather
than
letting
it air dry.
to thoroughly
dry a minimum
of 30
minutes,
pre-
ferably
one hour before
installation.
Excess
drying
Chemical
Cleaning:
Follow
the
solvent
cleaning,
with
time
(
not
to
exceed
7 days)
is
not
critical
as long as
a grease-free
cloth wetted
with an acid cleaner
such
the
surfaces
are not contaminated.
as Turco
Metal-glo
#3 (a product
of Turco
Products.
Inc.,
Los Angles,
California).
Vigorously
scrub
Installation
of
the
Boot
surface.
Using a chalk line,
snap a line centrally
located
on
(CAUTION
the leading
edge of
the
surface.
Snap a line,
central-
ally located
cordwise,
on
the
cemented
side of
the
Although
the
acid cleaner
is a mild acid solut-
boot.
ion,
protective
rubber
gloves
should
be worn
and contact
with
the
skin should
be avoided.
Securely
attach
hoses
to the
deicer
connection,
being
careful
to
handle
the
boot section
without
getting
After
the
acid cleaner
has had one minute's
contact,
finger
marks
on
the adhesive.
Using a lint-free
cloth,
wipe dry with a clean
cloth.
Allow a
minimum
of one
heavily
moisten
(not dripping)
with
toluol,
reacti-
hour dry-time
before
applying
cement.
At
the
end of
vate
the
surface
of
the
leading
edge and boot about 3
the
dry-time,
wipe
the
surface
with a clean
cloth
and
inches
on either
side of
the
chalk line.
Position
the
inspect
the
cloth for dirt.
If dirt is present,
reelean
boot chalk line directly
on
the
leading
edge chalk line
with MEK; if not,
cover
the
clean
surface
with paper
and hand roll
the
boot surface
onto
the
leading
edge,
until
the
cementing
operations
are begun.
Moving
along
the
center
line of
the
leading
edge,
con-
tinue
reactivating
the
adhesive
in strips
6 inches
wide
by 24 inches
long.
Avoid excessive
rubbing
of
the
Preparation
of
the
Rubber
Surface
adhesive
surface
as some
of
the
adhesive
may be
removed.
Hand roll
the
joined
surfaces
to
insure
If
the
deicer
boot has
a smooth
back finish,
roughen
complete
contact
of
the
adhesive
and elimination
of
it slightly
with sandpaper
before
beginning
the
clean-
air pockets.
If
the
boot does
not
follow
the
chalk line
ing operation.
Wét a clean
cloth with
toluol
and care-
on
the
leading
edge,
pull it up immediately
with a
fully
clean
the
rough back surface
of
the
boot.
Change
quick motion
and
reposition
properly.
Now complete
cloths
frequently
to
avoid contamination
of
the
clean-
the
installation
by activating
the
adhesive
surfaces
ed areas.
Clean
the
boot a minimum
of
two
times,
if
and rolling
on
the top
and lower
half
of the
boot in
the
area
still
seems
dirty,
reclean
the
surface
in
the
sequence.
Finally
roll
the
entire
boot (applying
pres-
same
manner.
sure)
moving
in a direction
parallel
with
the
inflatable
tubes.
Use a narrow
stitch
roller
between
tubes to
Application
of Adhesive:
The drying
of
the
cement
is
eliminate
air entrapment.
If an air pocket
or blister
a function
of
time
and
temperature,
and
the
table
is noted immediately
after
boot installation,
the
air
below should
be used as a shop guide when applying
may be removed
by inserting
a hypodermic
needle
the
cement:
into
the
blister
and allowing
the
air
to
escape.
The
surfaces
may
then
be pressed
down,
permitting
the
Temperature
-
°F
Minutes
of
Dry Time
surfaces
to
adhere.
Above 80
30
60-80
45
NOTE
Below
60
60
When removing
entrapped
air from
the
boot
Do not apply
cement
under
dusty
conditions
or in high
by use of a needle,
be extremely
careful
not
humidity
(80°/o
relative
humidity
or above).
Prior
to
to
puncture
one of
the
inflatable
tubes,
cementing,
mask
off
the
boot area
on
the
metal
sur-
faces,
allowing
1/2"
to
3/4"
margin.
Sealing
Edges
Spray
Coat Method:
Fair
in all around
cut
edges
and
trailing
edges
of
the
boot with EC 801 sealer
(a product
of Minnesota
If
the
adhesive
is applied
by spray,
the
first
coat on
Mining
and Manufacturing
Company)
and cover
all
the
back surface
of the
boot and on
the
metal
surface
exposed adhesive.
Never
try to
remove
excess
ad-
should
dry
a
minimum
of 30 minutes.
The second
hesive
closer
than
1/4 inch from
the
boot edge.
cross
coat on each surface
should
be allowed
to dry
After
all adhesives
and
sealing
compounds
have dried
a minimum
of 30
minutes,
preferably
one hour,
and cured,
remove
masking
tape
and clean adjacent
areas
with solvent.
Brush
Coat Method:
Apply
an even brush
coat of EC
1403
adhesive
l a
pro-
STALL
STRIP
INSTALLATION
duct of Minnesota
Mining
and Manufacturing
Co.,
St.
Paul,
Minnesota)
to the
back surface
of
the
boot
and
a.
Clean
boot surface
thoroughly,
removing
all old
the
metal
surface
of
the
aircraft.
Allow a minunum
glue.
Mask
off
the
area
where
new strip
is
to
be in-
3-55
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Table of Contents
Troubleshooting
