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NOTE
near
the
battery.
Also,
the
cigar
lighter
is
protected
by
a manually-reset
type
circuit
breaker
mounted directly
on
the
back
of
the
lighter
behind
the
Operation
at
peak EGT is not
authorized
for
continuous
instrument
panel.
Automatically
resetting
circuit
breakers
mounted
operation,
except
to
establish
peak EGT for reference
behind
the
instrument
panel
protect
the
alternator
field
and
wiring
circuit
at
75%power
or less.
Operation
on
the
lean
side
of
and
the
optional
turn
coordinator
or optional
turn-and-bank
indicator
cir-
peak
EGT or within
25°
of peak
EGT is
not
approved.
cuit.
The
chart
on page
7-11
should
be used
to
establish
mixture
settings
CONTROL WHEEL MAP LIGHT (OPT).
in
take-off,
climb
and cruise
conditions.
A map light
may
be
mounted
on
the
bottom
of
the
pilot's
control
wheel.
The yellow
index
pointer
may
be
set
at
the
reference
point,
or
to
a
The light illuminates
the
lower
portion
of
the
cabin just forward
of
the
specific
point
to
lean
to.
It can be positioned
manually
by
turning the
pilot
and is helpful
when
checking
maps
and
other
flight
data during
night
screw
adjustment
on
the
face
of
the
instrument.
operations.
To operate
the
light,
first
turn the
"NAV
LIGHTS"
switch
on,
then
adjust
the
map light's
intensity
with
the
knurled
rheostat
knob located
For
maximum
performance
take-off,
mixture
may be set
during
static
at
the
bottom
of
the
control
wheel.
full power
run-up,
if feasible,
or during
the
ground
roll.
FLASHING
BEACON (OPT).
NOTE
The flashing
beacon
should
not be used when flying
through
clouds
Enrichen
mixture
during
climb
if excessive
cylinder
or overcast;
the
flashing
light reflected
from
water
droplets
or particles
head
temperatures
occur.
in
the
atmosphere,
particularly
at night,
can produce
vertigo
and
loss
of
orientation.
In
the
event
that
a distinct
peak
is not obtained,
use
the
correspond-
ing maximum
EGT as
the
reference
point for enriching
the
mixture
to the
desired
cruise
setting.
CABIN
HEATING
VENTILATING
AND
Changes
in altitude
or power
setting
require
the
EGT
to
be rechecked.
Mixture
may
be controlled
in
cruise
descent
by simply
enriching
to
avoid
DEFRO ST
I
NGSYSTE
M.
engine
roughness.
During
prolonged
descents,
maintain
sufficient
power
to
keep
the
EGT
needle
on scale.
In idle descents
or landing
approaches
The
temperature
and volume
of airflow
into
the
cabin
can be
regu-
use full rich
mixture.
For
idle
descents
or landing
approaches
at high
lated
to
any
degree
desired
by manipulation
of
the
push-pull
"CABIN
elevations,
the
mixture
control
may be set in
a
position
to
permit
smooth
HEAT"
and
"CABIN
AIR" knobs.
engine acceleration
to
maximum
power.
NOTE
Always
pull out
the
"CABIN
AIR" knob slightly
when
the
"CABIN
HEAT"
knob is out.
This
action
increases
the
airflow
through the
system,
increasing
efficiency,
and
blends cool outside air
with
the
exhaust
manifold
heated
air,
thus
eliminating
the
possibility
of overheating
the
system
ducting.
Front
cabin
heat
and ventilating
air
is supplied
by outlet
holes
spaced
across
a cabin
manifold
just
forward
of
the
pilot's
and
copilot's
feet.
Rear
7-12
2-5
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