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CHEROKEE
'140 "D"
SECTION VI
CARE
OF
AIR FILTER
The carburetor
air
filter
must
be
cleaned
at
least
once every 50
hours.
Under
extremely
adverse
conditions
of operation
it
may
be
necessary
to clean the
filter daily.
Extra
filters
are inexpensive
and a
spare should
be kept
on
hand
and
used
as a rapid replacement.
The
filter
manufacturer
recommends
that
the
filter be
tapped
gently
to remove
dirt particles.
Do not
blow
out with compressed
air.
CARE OF WINDSHIELD
AND WINDOWS
A certain
amount
of
care
is
needed
to keep the
plexiglas
windows
clean and
unmarred.
The
following procedure is
recommended:
1.
Flush with clean water and
dislodge
excess
dirt,
mud,
etc. with
your hand.
2.
Wash
with
mild
soap
and
water. Use a soft cloth or sponge,
do
not rub.
3.
Remove
oil,
grease
or sealing compounds
with a soft cloth and
kerosene.
4.
After
cleaning,
apply
a
thin coat of hard
polishing
wax.
Rub
lightly
with a soft cloth.
5.
A severe scratch
or
mar
may
be
removed
by
using
jeweler's
rouge to rub out the scratch,
smoothing,
and then applying
wax.
LEVELING
AND
RIGGING
Leveling
the
aircraft
for purposes
of
weighing
or
rigging
is
accomplished
as
follows:
1.
Partially
withdraw
two machine
screws
located immediately
below
the
left front
side
window.
These screws are
leveling points
and
the airplane
is longitudinally level
when a level
placed
on the heads of
these screws
indicates level.
2.
To
put
the airplane
in
a
longitudinally level position
on scales,
first block
the main
gear
oleos
in
the
fully
extended
position,
then
deflate
the
nose
wheel
tire
until
the
proper
attitude
is
obtained.
For
rigging only, the airplane
may
be placed
on
jacks
for leveling.
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