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SECTION
7
AIRPLANE & SYSTEMS DESCRIPTION
CESSNA
MODEL
182S
LOW
VOLTAGE
ANNUNCIATION
The low
voltage
warning
n the
annunciator
panel and activates
anytim
24.5 volts.
lf
low
vollage
is
detected,
the
r
TS will
flash
for
approximately
10
seconds
teadily. The
pilot
cannot
turn
off
the annunciator.
ln the
event
an
overuoltage condition
occurs,
the
alternator
control
unit
automatically
pops
the ALT
FLD circuit
breaker,
removing alternator field current and shutting down
the
alternator.
The
battery
will then
supply system current
as
shown
by
a
discharge rate on the ammeter. Under these conditions,
depending
on electrical system load, the low voltage warning annunciator
will
illuminate when system voltage drops below normal. The
alternator
control unit may
be
reset
by
resetting
the
circuit breaker.
lf
the
warning light
extinguishes,
normal alternator charging has
resumed;
however,
if the
light
illuminates
again,
a
malfunction has
occurred,
and
the
flight
should
be
terminated as soon as practicable.
NOTE
lllumination of the low voltage light and ammeter
discharge
indications may occur during
low RPM
conditions with
an
electrical load on the system, such
as
during
a
low
RPM
taxi.
Under these conditions,
the light will go out at
higher
RPM.
CIRCUIT BREAKERS
AND
FUSES
All circuit breakers
inside
the airplane are of the "push to
reset"
or "switch/breake/'type. The
power
distribution module uses
spade
type (automotive style) fuses and one glass type fuse
(controlling
the clock).
Spare fuses for the power distribution module are located
inside
the module. lf one of the
spare
fuses
is
used,
a
replacement
spare
should
be
obtained and reinstalled before
the
next
flight.
I
z-so
Dec
1197
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