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Section VII
Systems Description
BEECHCRAFT
Debonair33
To obtain
increased
heated air for defrosting the wind-
shield, close the toe-pedal type valves at the front
hot
air
outlets.
To
close oft all air from the heater system, pull the
FIRE DOOR control located to the extreme right of the
pilot's
lower
subpanel.
CABIN VENTILATION
In moderate temperatures,
ventilation
air can be obtained
from the same outlets used for
heating,
by pushing the
CABIN
HEAT
control full
forward. However,
in
extremely
high temperatures, it may be desirable to pull the FIRE-
DOOR control
and
use only the fresh air outlets described
in
the following paragraphs.
CABIN FRESH AIR OUTLETS
A duct in the
left wing root is connected
directly to an
adjustable
outlet in
the upholstery panel, just below the
in-
strument panel. The volume of air
from the outlet is
regulated,
and
the direction of airflow is
controlled
by
rotating
the louvered
cover with the small knob on the rim.
The !arge knob in the
center
of this outlet is a friction lock
which may be tightened to hold the valve position selected.
PITOT AND STATIC SYSTEMS
PITOT SYSTEM
The
pitot systems provides
a
source of
impact air for opera-
tion
of
the
airspeed
indicator.
The
pitot mast is located on
the leading
edge
of
the left wing.
7 -28
April 1982
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