Nose Radome - Raytheon BEECH BARON 58P Maintenance Manual

BEECHCRAFT
BARON
58P AND
BARON 58TC
MAINTENANCE MANUAL
sand the
area
under repair with medium fine
sandpaper.
NOTE
Sand
the edge of the repair
area
until the indentation where
the metal and old paint
meet
is gone. If necessary,
apply Unprimed
areas
of magnesium castings
are
to
additional urethane
primer until the juncture
of old paint and be coated with MIL-C-16173
corrosion
metal
is not longer visible.
preventative compound (43,
Chart
207, 91-00-
h. Spray
on
two topcoats. 00) unless these
areas
will
come
into
contact
with oil
or
grease after assembly. Any
holes in
the castings which will
receive bushings
or
PAINTING MAGNESIUM
bearings
shall be coated with
wet unreduced
zinc chromate
primer
or
corrosive
preventative
PAINT REMOVAL FROM MAGNESIUM SURFACES
compound
at
the time of installation.
a.
Mask around the edge of the
damaged
area
with
a
double thickness of
heavy
paper
to prevent accidental b. Prime the affected
area
and
apply either the
splashes of paint stripper from
penetrating the masking,
enamel
or
urethane
topcoat
if applicable.
b.
Apply paint stripper (42, Chart
207, 91-00-00)
to
the skin under
repair
with
a
brush
or
non-atomizing
gun.
NOTE
CAUTION
Do not apply
wash primer
to magnesium
surfaces. Allow
a
minimum of four hours
drying
Stripping
should be
accomplished in
a
well
time between
application of the primer
and
top
ventilated
area
since prolonged
exposure
to
coat.
high
concentrates
of vapor may irritate the eyes
and lungs.
SPECIAL
PAINT PROCEDURES
c.
Allow the
paint stripper to
work for 20
to
30 PROPELLER BLADES
minutes, then work the
remaining paint loose with
a
bristle
brush.
Paint the backs of the
propeller blades with quick drying
enamel
per
MIL-E-5556,
color No. 37038 per Federal
Standard 595.
CAUTION
LANDING LIGHTS
Never
use a
wire brush for it will
damage the
magnesium surface.
Paint the
landing light wells,
excluding the ribs
at
the
inboard and outboard ends,
the spar and attaching angles,
with
quick drying enamel per MIL-E-5556,
color No. 37038
d. Remove the masking paper and wash the per Federal Standard 595.
affected
area
thoroughly with water under high
pressure.
Remove all remnants of paint with lacquer
thinner. NOSE RADOME
e.
Sand the repaired
area
lightly, then
apply
BEECHCRAFT Dow
Treatment Number 19 solution
to Apply
Andrew Brow's P-900
sanding surfacer
as
required
to
prevent corrosion. obtain
a
smooth
surface for
painting. Sand with #320
sandpaper.
PAINTING MAGNESIUM SURFACES
NOTE
a.
Prepare the surface
to
be
repainted
as
indicated
under PAINT REMOVAL FROM MAGNESIUM SURFACES.
No
glass fiber shall be exposed
as
the result of
Clean the affected
area
thoroughly
with lacquer thinner
or
sanding. Do
not
repair with plastic
materials
an
equivalent solvent. having metal particles suspension.
20-00-00
Page 205
Oct 26/79