Cold Weather Operation; Preflight Inspection; Engine - Beechcraft C23 SUNDOWNER 180 Pilot Operating Handbook

BEECHCRAFT Sundowner 180 Section IV
C23 (M-1285 and After)
Normal Procedures
COLD WEATHER OPERATION
PREFLIGHT
INSPECTION
AII
accumulations
of
ice,
snow and frost must be removed
from the
wings,
tail, control
surfaces
and hinges,
pro-
peller,
windshield,
pitot
tube, static
ports,
antennas,
fuel
cell
filler
caps,
crankcase vents, and fuel
vents.
If such
accumulations
are
not removed
completely,
the
airplane
shall not be flown.
The deposits
will not
blow off
in
flight.
While
an adverse
weight
factor
is clearly involved
in the
case of heavy deposits, it
is less
obvious that even slight
accumulations will disturb
or completely destroy the de-
signed aerodynamic
properties
of the
airfoils.
The
normal preflight procedures
should then be
com-
pleted, with
particular
attention
given
to
check
of flight
controls
for
complete
freedom of movement.
ENGINE
Use
engine
oil
in accordance with
Consumable
Materials
in
the HANDLING, SERVICING AND MAINTENANCE
Section.
WARNING
Ascertain that
magneto
switch and battery
master
switch
are
off before moving
propeller
by
hand.
Always
pull
the
propeller
through by hand, opposite the
direction
of rotation, several times to clear the engine and
"limber
up" the cold,
heavy
oil before
using
the starter.
This
will also
lessen
the
load
on the battery
if
external
power is not
used.
During cold
weather
starts,
use
8 to
10
strokes of engine
primer, as required.
February 1979
4-13