Cessna R182 - Over-Voltage; Circuit Breakers and Fuses

SECTION
7
CESSNA
AIRPLANE
& SYSTEMS
DESCRIPTIONS
MODEL
R182
ovER-voLTAGE
SENSOR
AND
WARNING
LIGHT
/
The
airplane;is
equipped
with
an
automatic
over-voltage
protection
\.
system
.ottsi"ti11g
of
dn
over-voltage
sensor
behind
the instr-ument
panel
"itO "
red warning
light,
labeled
HIGH
VOLTAGE,
neat tJre
rnanifold
pressure
gage.
In
the
event
a,n over-voltage
condition
occurs,
the over-voltage
sensor
automatically
r.emoveq
alternator
field
purrent
and
shuts
down the
alter-
nator.
The
wirning
lightwill.then
turn
on,
indicating
to the
pilot
that
the
alternator
is,not
opeiating
and
the
battery
is supplying
all
electrical
power.
The
warning
light
Inay
be tested
by
momentarily
turqing
off
the
ALT
portion
of the
master
switgh
and leaving
the
B,A,T
portion
turned on.
(
\
CIRCUIT
BREAKERS
AND
FUSES
Most
of
the electrical
circuits
in
the airplane
are
protected
by
"push-to-
reset"
ci.rcuit
breakers
rnounted
on
the
iower.
left side Of
the switch
and
control
panel.
The
la,nding
gear
circuit
is
protected
by a
push-pull
type
circuit
b-reaker
on
ttre
lower
left side
gf
the switch
and control
panel. In
addition
to
the
individual
circuit
breakers,
a,
single-rocker
type circuit
circuits
which
are
not
protected by
gircuit
breakers
are
the
battery
contactor
closing
(external
power)
circuit,
clock
circuit,
and
flight
hour
recorder
circuit.
these
circuits
are
protected
by
fuses
mounted
adiacentto
the battery.
7-3.2