SectionVll
Systems Description
EMERGENCY
STATIC AIR SYSTEM
BEECHCRAFT
Debonair
C33
Bonanza
E33
and
F33
An
emergency static air source,
if
installed, provides
air
for
instrument operation should the static ports become
blocked. Refer to the EMERGENCY
PROCEDURES
Section
for procedures describing
how
and
when
to use
this
system.
VACUUM SYSTEM (C33)
Vacuum for air driven gyroscopic
flight
instruments and
other air driven equipment is supplied
by an engine driven
vacuum pump.
An
adjustabfe relief valve controls suction
by
bleeding outside air into the vacuum pump. The relief
valve
and an oil Separator,
which
removes oil from
the
air,
are located on the forward side
of
the firewall.
A suction gage indicates system vacuum
in
inches
Hg.
This
instrument is
· located on
the
instrument panel; exact
location may vary according to panel configuration. The
vacuum
should be maintained
within
the green arc
for
proper operation
of
the
air
driven instruments.
INSTRUMENT PRESSURE SYSTEM (E33. F33)
Instrument pressure is supplied
by
an engine driven pres-
sure pump. Pressure is controlled by an adjustable pres-
sure regulator on the forward side
of
the
firewall.
A pressure gage indicates system pressure
in
inches Hg.
This instrument is located on the instrument panel; exact
location may vary according to panel configuration. The
pressure
should be maintained
within
the green arc
for
proper operation
of
the pressure operated instruments.
7-38
August
1982
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