CARBURETOR
AIR
TEMPERATURE GAGE
(OPT).
Generally,
the painted surfaces
can
be kept bright by
washing with
Icing
Range .
. .
.
.
.
.
. . . . .
.
-15°
to
5°C
(yellow
arc)
water and mild
soap,
followed by
a
rinse
with
water
and
drying
with cloths
or a chamois. Harsh
or
abrasive soaps
or detergents
which cause
cor-
rosion
or make
scratches should never be
used. Remove stubbbrn
oil
W El
GHT A ND B
A
LA NC E.
and grease with a cloth
moistened
with Stoddard solvent.
The following
information
will enable you to
operate
your Cessna
with-
Waxing
is unnecessary
to
keep
the painted surfaces
bright.
However,
in the
prescribed
weight and center
of gravity limitations.
To
figure the
if desired,
the
airplane
may be waxed with
a
good
automotive
wax.
A
weight
and balance
for your particular airplane, use the
Sample
Problem,
heavier
coating
of wax on the
leading edges of the wings
and tail
and on
Loading
Graph,
and
Center
of Gravity
Moment Envelope
as
follows:
the engine nose cap
and propeller spinner will
help
reduce
the
abrasion
encountered
in these
areas.
Take
the licensed
Empty
Weight and
Moment/1000 from
the
Weight
and
Balance Data
sheet,
plus
any change
noted on
forms FAA-337,
When the airplane is
parked
outside in cold climates and it
is
neces-
carried
in your
airplane,
and write them down in
the
proper
columns.
sary
to remove ice
before
flight,
care should
be
taken to protect
the
paint-
Using
the Loading
Graph,
determine the
moment/1000
of each
item
to
ed surfaces during
ice removal with chemical liquids. A
50-50
solution of
be
carried. Total
the
weights and moments/1000 and use the
Center
of
isopropyl
alcohol
and
water
will
satisfactorily
remove ice
accumulations
Gravity
Moment Envelope
to
determine whether the
point
falls
within the
without
damaging
the paint.
A
solution with more than
50°/o
alcohol is
envelope,
and
if
the
loading is
acceptable.
harmful and should be
avoided.
While applying the
de-icing
solution, keep
it
away
from the windshield and cabin side windows
since
the alcohol
will
NOTE
attack
the plastic
and
may
cause it
to craze.
The
Weight
and
Balance
Data
Sheet noted
above is
included
in
the aircraft
file.
The
Loading
Graph and
Center of
Gravity
Moment
Envelope
shown in this
section are also
on
the
sheet
ALUMI
NUMSURF ACE
S.
titled
Loading/Center
of
Gravity
Charts and Weighing
Pro-
cedures
which
is
provided in the
aircraft
file.
The clad aluminum surfaces
of your Cessna
may
be washed
with
clear water
to remove
dirt; oil
and grease
may
be removed
with
gasoline,
SAMPLE
AIRPLANE
YOUR AIRPLANE
naptha,
carbon tetrachloride
or
other
non-alkaline
solvents. Dulled
alu-
SAMPLE
LOADING
PROBLEM
Moment
Moment
minum
surfaces
may
be cleaned
effectively
with an
aircraft aluminum
Weight (lb.
-ins.
Weight
(ib.
-ins. -
.
-
(lbs.)
/1000)
(lbs.)
/1000)
pOllSh.
1. Licensed Empty Weight (Sample Airplane).
.
.
1306
47.6
After cleaning,
and
periodically
thereafter,
waxing
with a good
auto-
motive wax will
preserve
the bright
appearance and retard
corrosion.
2.
Oil (B
gts.
-
Full oil
may
be assumed
ror au
nients).
.
16
-0-2
15
-0-2
Regular waxing
is especially
recommended for airplanes
operated
in
3-
Fuel
(Standard
-
38 Gal at 6#/Gal). .
. . .
. .
.
228 10.9
Salt
water areas
as a
protection
against dorrosion.
Fuel
(Inng
Range
-
48 Gal at
6#/Gal).
. .
. .
4. Pilot
and Front Passenger
. .
.
.
. .
.
. .
340 12.2
PROPELLERC A R
E.
5. Rear Passengers
.
. . . . .
. . . . .
340
23.8
6.
saggage(or rassenger on
Auxinary
seat) . .
.
21
6-7
Preflight
inspection of propeller
blades for
nicks,
and wiping them
2300
101.0
Occasionally
with an
oily
cloth
to
clean
off grass
and
bug
stains
will
as-
sure long,
trouble-free
service.
It is vital that small nicks on the
pro-
8.
Locate
this poinL (2300 at
101.0)
on the
cenler
of
gravity moment
envelope,
peller;.
particularly near
the
tips
and on the leading edges,
are
dressed
and
since this point falls
within
the
envelope, the loading is acceptable.
out as
soon
as
possible since
these
nicks
produce
stress concentrations,
3-4
4-3
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