warm
temperatures, one or
two strokes
of
the primer should
be sufficient.
In
cold
weather,
up
to
six strokes
of the
primer may be
necessary.
If
the
engine
is
warm,
no
priming
will be
required.
In
extremely
cold
tem-
peratures, it may
be
necessary to continue
priming while
cranking
the
-
engine.
OPTIONAL
SYSTEMS
Weak
intermittent
firing followed by
puffs of
black
smoke from the
exhaust
stack indicates overpriming or
flooding.
Excess fuel can be
cleared from the combustion
chambers by the
following
procedure: Set
the mixture
control full
lean
and the
throttle full
open; then
crank
the
This section
contains a
description, operating procedures,
and
per-
engine
through
several revolutions
with the
starter.
Repeat
the
start-
formance data
(when applicable)
for some of the
optional equipment which
ing
procedure without
any
additional priming-
may be installed
in your Cessna.
Owner's Manual
Supplements
are
pro-
vided
to
cover
operation
of other
optional
equipment systems
when
in-
If
the
engine is
underprimed
(most
likely
in cold weather with a
cold
stalled in your
airplane.
Contact
your
Cessna
Dealer
for a complete
list
engine) it will not fire at
all, and additional
priming will be
necessary.
of available optional
equipment.
As soon as the cylinders
begin to
fire, open
the throttle slightly
to
keep
it running.
After
starting,
if the oil
gage
does not
begin to
show pressure within
30
seconds in
the
summertime
and about twice that long in very
cold
weather, stop
engine and investigate. Lack of oil pressure can
cause
LONG RANGE
FUEL
TANKS
serious engine damage.
After starting,
avoid
the
use
of carburetor
heat unless icing conditions
prevail.
Special
wings
with
long
range
fuel tanks
are available to replace the
NOTE
standard wings and fuel tanks
for
greater
endurance
and range. When
these tanks
are installed,
the total
usable
fuel for all
flight
conditions is
Additional details
for
cold weather starting and operation
48
gallons.
may be
found under "COLD
WEATHER OPERATION" in
this section.
TAXIING-
COLD WEATHER
EQUIPMENT
When
taxiing,
it is
important that
speed
and
use of brakes
be
held to
a
minimum
and that all controls
be
utilized (see Taxiing Diagram, figure
W
I
NTER
IZ
A T
I
ON
KIT.
2-4) to
maintain directional
control and
balance.
For continuous operation
in
temperatures
consistently
below
20°F,
The
carburetor heat
control knob should
be
pushed full
in during
all
the
Cessna
winterization kit,
available
from your
Cessna Dealer, should
ground
operations unless
heat is
absolutely
necessary. When the knob
is
be
installed to improve
engine
operation. The kit consists of a
large
pulled
out to the heat
position, air
entering
the engine
is not
filtered·
baffle
which
attaches to the
lower
cowling, a
baffle partially covering the
oil cooler,
and
insulation
for the
crankcase
breather line.
Once
installed,
Taxiing
over loose
gravel
or
cinders should
be done at
low
engine
thg
cyankcase
breather insulation
is
approved for
permanent use
in
both
speed to
avoid
abrasion
and
stone
damage to
the
propeller
tips·
cold
and hot
weather.
2-6
6-1
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