EasyManua.ls Logo

Cessna 182 1978 - Installation and Alignment of Brush Block Assembly; Replacement of De-Ice Boots

Cessna 182 1978
680 pages
Save Page as PDF
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
MODEL
182
&
T182
SERIES
SERVICE
MANUAL
d.
If
slip
ring
run-out
is
within
limits
specified
in
be
slow enough
to
allow
the
solvent
to
undercut
the
step
"c".
no
corrective
action is
required.
A
small
cement
so
that
parts
will
not
be
damaged.
To
in-
amount
of
run-out
may
be
corrected
by
varying
the
stall
a
propeller
anti-ice
boot.
proceed
as
follows:
torque
of
the
attachment
bolts
within
the
limits
speci-
a.
Clean
the
metal
to
be
bonded with
Methyl
Ethyl
fied
by
the
propeller
manufacturer.
Ketone,
(MEK).
For
final
cleaning,
wipe
the
sol-
vent
film
off
quickly
with
a
clean,
dry
cloth
before
14-62.
INSTALLATION
AND
ALIGNMENT
OF
BRUSH
it
has
time
to
dry.
BLOCK
ASSEMBLY.
(See
figures
14-8
and
14-9.)
b.
Prepare
a
pattern
the
size
of
the
boot,
including
three
inches
of
the boot
strap.
Draw
a
centerline
NOTE
(lengthwise)
through
the
pattern.
c.
Draw
a
line
on
the
centerline
of
the
leading
edge
Installation
of
the
brush
block should
be
of
the
blade.
Position
the
pattern
centerline
over
the
deferred,
when
possible,
until
after
the
leading
edge
centerline.
Position
pattern
so bottom
slip
ring,
propeller,
and
related
compo-
of
boot
is
1/2"below
spinner
cutout.
Draw
a
line
on
nents
are
installed.
However,
the
brush
the
propeller
hub
on
each
side
of
the
pattern
boot
block
assembly
may
be
replaced
without
strap
where
it
crosses
the
hub.
Check
boot
strap
removing
the
propeller.
To
avoid
break-
position
by
fitting
restraining
strap
on
the
hub
and
age
when
installing
the
brush
block
as-
comparing
its
position
with
the
marked
position
of
sembly,
keep
brushes
retracted
in
brush
the
strap.
block
until
slip
ring
and
propeller
assem-
d.
Mask
off an
area
1/2"
from
each
side
and
outer
blies
have
been
installed.
end
of
the
pattern,
and
remove
the
pattern.
Make
sure
that
slip
ring
run-out
has
been
Apply
cement
at room
temperature
(65°-75°F).
corrected
before
attempting
to
align
For
best
results,
allow
to
air
dry
for
a
mini-
brushes
on
slip
ring.
mum
of one
hour
at
50°F
or
above
when
rela-
tive
humidity
is
less
than
75%.
If
the
humidity
a.
In
order
to
get
smooth,
efficient
and
quiet
trans-
is
75%
and
90%,
allow
additional
drying
time.
fer
of
electric
power
from
the
brushes
to
the
slip
ring,
Do
not
apply
cement
if
relative
humidity
is
brush
alignment
must
be
checked
and
adjusted,
if
higher
than
90%
or
if
the
temperature
is
below
necessary
to
meet
the
following
requirements.
50°F.
Allow
12
hours
cement
curing
time
1.
Projection
must
be
such that
the
distance
before
starting
engine.
Allow
24
hours
cement
between
the
brush
block
and
the
slip
ring
is
0.
062
curing
time
before
operating
the
de-icers.
(±0.
030-inch).
2.
The
brushes
must
be
lined
up
with
the
slip
e.
Mix
EC-1300L
cement
(Minnesota
Mining
&
Mfg.
ring
so
that
the
entire
face
of
each
brush
is
in
con-
Co.)
thoroughly.
Surfaces
shall
be
65°F
prior
to
tact
with
the
slip
ring
throughout
the
full
360°
of
slip
applying
cement.
During
periods
of
high
humidity,
ring
rotation.
care
shall
be
taken
to
prevent
moisture
condensation
3.
The
brushes
must
contact
the
slip
ring
at
an
due
to
the
cooling
effect
of
the
evaporating
solvent.
angle
of
approximately
2°
from
perpendicular
to
the
This
can
be
done
by
warming
the
area
with
a heat
gun
slip
ring
surface,
measured
toward
the
direction
of
or
heat
lamp.
Apply
one
even
brush
coat
of
EC-1300L
rotation
of
the
slip
ring.
cement
to
the
cleaned metal
surface.
Allow
to
air
b.
Brush
projection
can
normally
be
adjusted
by
dry for
a
minimum
of
one
hour
and
then
apply
a
sec-
loosening
hardware
attaching
the
brush
block
and
ond
even
brush
coat
of
EC-1300L
cement.
holding
the
brushes
in
the
desired
location
while
f.
Moisten
a
cloth
with
Methyl
Ethyl
Ketone
and
retightening
the
hardware.
Slotted
holes
are
pro-
clean
the
unglazed
back
surface
of
the
boot,
changing
vided.
cloths
frequently
to
avoid
contamination
of
the
cleaned
c.
One
method
for
face
alignment
is
described
in
area.
step
"b".
Another
is
to
use
shims
between
brush
g.
Apply
one
even
coat
of
EC-1300L
cement
to
back
block
and
bracket
Laminated
metal
shims
are
gen-
surface
of
boot.
It
is
not
necessary
to
cement
more
erally
provided.
Layers
of
metal
.003"
are
used
to
than
1/2"
of
the
boot
strap.
make
up
shims
which
are
approximately
0.
20"
thick
h.
Using
a
silver-colored
pencil, mark
a
centerline
overall.
Shims
may
be
fabricated
locally.
along
the
leading
edge
of
the
propeller
blade
and
a
d.
Loosen
mounting
bolts
and
twist
block
while
corresponding
centerline
on
the
cemented
side
of
the
tightening
to
attain
proper angular
adjustment.
boot.
i.
Reactivate
the
surface
of
the
cement
using
a
Avoid
excessive
rubbing
of
cement,
which
would
re-
Use
care
not
to
disturb
other
adjustments
move
the
cement.
when
adjusting
angular alignment.
j.
Position
the
boot
centerline
on
the
propeller
leading
edge,
starting
at
the
hub
end
of
the
position
14-63.
REPLACEMENT
OF
DE-ICE
BOOTS.
To
marked.
Make
sure
that
boot
strap
will
fall
in
the
remove
or
loosen
installed
de-ice
boots,
use
toluol
position marked.
Tack
the boot
centerline
to
the
to
soften
the
"cement
line".
Apply
a
minimum
leading
edge
of
the
propeller
blade.
If
the
boot
is
amount
of
this
solvent
to
the
cement
line
as
tension
allowed
to
get
off-center,
pull
up
with
a
quick
motion
is
applied
to
peel
back
the boot.
Removal
should
and
replace
properly.
Roll
firmly
along
centerline
14-24

Table of Contents

Related product manuals