Throttle Warning System - Raytheon BEECH BARON 58P Maintenance Manual

BEECHCRAFT
BARON
58P
AND BARON 58TC
MAINtENANCE
IHANUAL
GENERAL
DESCRIPTION AND OPERATION
The
landing
gear
incorporates
Beech air-oil type shock
struts
that
are
filled with both
compressed air and hydraulic
fluid. Their
correct
inflation should
be assured before each
The landing
gear
is operated by
a
split-field
series-wound
flight.
motor
and
an
actuator
located under the cabin floorboards
aft of the main
spar.
One field is used
to
drive the
motor
in
each direction. To prevent overtravel of the
landing
gear, a
MANUAL
LANDING
GEAR
EXTENSION
dynamic braking relay simultaneously
breaks the
power
SYSTEM
circuit
to
the
motor
and makes
a
complete circuit
through
the
armature
and the unused field winding. The
motor
then In the
event
of landing
gear
malfunction
in flight, the
gear
acts
as a
generator
and the resulting electrical load
on
the
may be
manually extended, but
not
retracted, by
a
hand
armature
stops b~e landing
gear
almost instantly,
crank
at
the
rear
of the pilot's
seat.
The landing
gear
motor
is controlled
by the gear extension
WARNING
switch located
on
the left hand side
of the console. The
larger
upper arms
and the lower
arm
of the actuator, in
If the gear has been extended
manually for
conjunction with rod assemblies and linkage,
control
emergency
reasons,
the
airplane
must
be put
on
extension and retraction of the main and
nose
landing
gear.
jacks
and inspected
before the
gear
controls
are
Rod assemblies attached
to
the smaller
upper
actuator
arms
returned
to
their normal
position.
operate the inboard main landing
gear doors.
Landing
gear
limit switches,
located adjacent
to
the
actuator, limit the
gear
travel during the extend and
retract
THROTTLE WARNING SYSTEM
cycle. These switches, when actuated,
terminate the landing
gear
travel.
The throttle
waming
system
provides the
pilot with
an
audible
warning that the
landing
gest is not down and locked when
To
prevent
accidental
landing
gear
retraction
on
the
the flaps
are
fully
extended and/or the throttle
or
throttles
are
ground,
a
safety switch
on
the left main landing
gear breaks
retarded beyond
the point
necessary
to sustain Right. The
the control circuit whenever the
strut
is
compressed.
system
is deactivated when the
airplane is
on
the
ground and
the landing
gear
safety switch is activated.
~AUTION
The electrical
components
of the
system
are
two micro-
Never rely
on
the Cfety switch
to
keep the gear
switches located
in the
pedestal,
one
Rasher and
one
horn
down while taxiing, landing,
or on
the
takeoff
mounted
on
the forward
bulkhead. These
components
are
roll. Always check the position of the landing
connected electrically
to the landing
gem downlock switches,
gear switch.
flap downlimit
switch and the
landing
gear
safety switch.
"END"
~24000
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