Mooney M20R - Cleaning Acrylic; Windshield Installation; Windshield Removal

MOONEY
AIRCRAFT CORPORATION
M20R
SERVICE
AND
MAINTENANCE
MANUAL
5800-00
GENERAL
A
putty
knife
or
thin aluminum
strip
will
be
necessary
to
The
windshield
for
the M20R is
.187
inch thick
acrylic,
work
underneath
top
skin
(4)
and
side
post
skin
(5)
to
heat formed
to contour.
The
pilot’s
side window is also
break
sealant
bond
between
acrylic
and skins.
.187
inch thick
acrylic
with
a
hole
cut out
to
accom-
CAUTION
modate
the
.312
inch
thick
storm
window. The
storm
Exercise
care
during
this
operation
to
avoid
window is milled
to
fit
the
hole and
to
be flush with
scratching acrylic.
Considerable
effort
may
be
outside of
pilot’s
window surface when closed.
The
required
to
break
the bond.
otherthree side windows
are
.125
inch thick
acrylic.
All
windows
are
single
pane
windows.
Carefully
pull
windshield
away
from its location
starting
All
windows
are
heated
in
an
auto-dave
to
ap-
at
lower
portion
and work
it
loose
as
sealant bond
i´•
proximately
3000
F and
placed
on a
plaster
mold
to
broken
around
edge
of
acrylic.
cool while
maintaining
correct
shape.
After
windshield is
removed,
all
residual sealant
must
The
windows
are
tinted for visual
comfort,
ultra-violet
be
removed
prior
to
installation of
replacement
filteratiola and
cooling
effect for cabin.
windshield.
Careful
scrapeing
with
putty
knife and
care-
The
windows
are
all sealed
to
outside skin
with
PR1428
ful
application
of
M.E.K.
will
assist
in
removing
excess
(6)
sealant.
Retainers
and
clips
are
used around
win-
sealant.
dow
frame
to
hold
windows
in
place.
56-21-02
WINDSHIELD-INSTALLATION
5600-01
CLEANING ACRYLIC
When
old sealant is
removed,
brush M.E.K.
or
A
commercial
cleaning
solution,
manufactured
for
equivalent cleaning
solvent,
in
cavity
(8)
where
new
acrylic,
may
be used
to
clean
routine
grit
and
grime
windshield
will
be located
(refer
to
Fig.
56-1).
from windows. Follow
instructions
on
commercial
cleaner
used.
If
no
commercial
cleaner
is available
these
procedures
should
be
followed:
d.
Flush
windows
with
water
prior
to
wiping
with
a
clean, soft, cloth,
soaked
in
kerosene.
CAUTION
Never
wipe
windows when
dry.
2.
Flush
with
water
after
cleaning
with
kerosene.
4
tetrachloride,
acetone,
lacquer
thinner,
deicer
fluid,
8
CAUTION
Never
use
gasoline,
benezene,
carbon
house
hold
cleaning
fluid
or
any
other
questionable
fluid
to
clean
acrylic
windows. These
P
I
NOTE
)0)
solvents
will
soften
or
craze
the surface.
Minor scratches
or
abrasions
may
be
polished
out
by using acrylic resurfacing
kits, ie.,
Micro-Mesh,
available
from
aviation
accessory
suppliers.
5820-00
WINDSHIELD
AND CABIN
WINDOWS
The removal
and
installation
of
windshield and
win-
6
dows
are
accomplished
in
the
following paragraphs.
1
56-21-00
-WINDSHIELD
I
8621-01
-WINDSHIELD- REMOVAL
The aluminum retainer
(1)
at
bottom of windshield
(2)
i
7~
SMX56-1
must
be removed
by drilling
out
rivets
attaching
It
to
cows deck
(3), (Reference
Figure
56-1).
WINDSHIELD
INSTALLATION
FIGURE
56-1
56-00-00
Island Enterprises