Raytheon Beech Baron E55 - Page 591

Ral~heon
Aircraft
tompany
BARON
55
AND
58
SHOP
MANUAL
PAINTING
MAGNESIUM
PAINT
REMOVAL
FROM
MAGNESIUM
SURFACES
a.
Mask
around
the
edge
of the
damaged
area
with
a
double thickness
of
heavy
paper
to
prevent
accidental
splashes
of
paint
stripper
from
penetrating
the
masking.
b.
Apply
Turco No.
4260
(product
of Turco
Products
Inc.,
Los
Angeles,
California)
to
the skin under
repair
with
a
brush
or
non-atomizing
gun.
CAUTION:
Stripping
should
be
accomplished
in
a
well ventilated
area
since
prolonged
exposure
to
high
concentrates
of Turco
No.
4260
vapor
may
irritate the
eyes
and
lungs.
c.
Allow
the
paint
stripper
to
work
for
20
to
30
minutes,
then work
the
remaining
paint
loose
with
a
bristle
brush.
CAUTION:
Never
use
a
wire
brush
for it will
damage
the
magnesium
surface.
d.
Remove
the
masking
paper
and
wash
the
affected
area
thoroughly
with
water
under
high
pressure.
Remove
all
remnants
of
paint
with
lacquer
thinner.
I
e.
Sand
the
repaired
area
lightly,
then
apply
Dow Treatment
Number
10
solution
to
prevent
corrosion.
The
surface
must
be dried
completely
after
Dow
treatment.
I
NOTE:
If
the
surface
is
not
completely
void
of
moisture
before
finish
coat
is
applied
the
finish
will
blister
and
flake
off.
PAINTING
MAGNESIUM
SURFACES
a.
Prepare
the surface
to
be
repainted
as
indicated under
PAINT REMOVAL
FROM MAGNESIUM
SURFACES.
Clean
the
affected
area
thoroughly
with
lacquer
thinner
or
an
equivalent
solvent.
NOTE:
Do
not
apply
wash
primer
to
magnesium
surfaces. Allow
a
minimum
of four
hours
drying
time
between
application
of
the
primer
and
topcoat.
b.
Prime
the
affected area
and
apply
the
topcoat
as
indicated
under
the
applicable
(for
urethane
or
epoxy)
paint
procedure
in
this
section.
Dec
31/03Page
22
SECTION
12
E21