Cessna T182 Series User Manual

MODEL
182
&
T182
SERIES
SERVICE
MANUAL
side
of
the
battery
contactor
to the
battery
box.
The
NOTE
contactor
will
now be
free for
removal.
6. To
replace
the
contactor.
reverse
this
proce-
Maintenance
of the
electronic
installation
dure.
cannot
be
performed
when
using
external
b. BEGINNING
WITH
18266524
AND
F18200145.
power.
Application
of
external
power
1.
Remove
baggage
wall.
opens
the
relay
supplying
voltage
to the
2.
Disconnect
ground
strap
from
negative
termi-
electronic
bus.
For
lengthy
ground
test-
nal
of the
battery.
ing of
electronic
systems,
connect
a well
3.
Cut
sta-straps
and
remove
cover
from
con-
regulated
and
filtered
power
supply
directly
tactor.
to the
battery
side
of
the battery
contactor.
4.
Remove
nut
and
washers
securing,
positive
Adjust
the
supply
for
14-volts
and
close
the
cable.
diode
assembly
and
wire
to fuse.
Tag
wires
master
switch.
for
reinstallation.
5.
Remove
nut and
washers
securing,
wire
to
NOTE
starter
contactor.
wire
to ground
service
and
wire
to diode.
Tag
wires
for
reinstallation.
When
using
ground
power
to
start
the
air-
6.
Remove
bolts
and
washers
securing
contac-
craft.
close
the master
switch
before
re-
tor to
bracket
and remove
contactor.
moving
the
ground
power
plug.
This
will
7.
To
install
contactor
reverse
this
procedure,
ensure
closure
of the
battery
contactor
using
new
sta-straps
on
cover.
and
excitation
of
the
alternator
field.
16-29.
BATTERY
CONTACTOR
CLOSING
CIRCUIT.
16-30.
DESCRIPTION.
This
circuit
consists
of a
Failure
to
observe
polarity
when
connecting
5-amp
fuse.
a resistor
and
a diode
mounted
on a
an external
power
source
directly
to the
bat-
bracket
on
the
side
of
the battery
box.
This
serves
tery
or directly
to
the
battery
side
of
the
bat-
to
shunt
a small
charge
around
the
battery
contactor
tery
contactor,
will
damage
the
diodes
in the
so that
ground
power
may
be used
to
close
the
con-
alternator
and
other
semiconductor
devices
tactor.
in
the
aircraft.
16-31.
GROUND
SERVICE
RECEPTACLE.
16-32.
DESCRIPTION.
A
ground
service
receptacle
External
power
receptacle
must
be functionally
is
offered
as optional
equipment
to
permit
use
of ex-
checked
after
wiring,
or
after
replacement
of
ternal
power
for
cold
weather
starting
or
when
per-
components
of
the external
power
or
split
bus
forming
lengthy
electrical
maintenance.
A
reverse
systems.
Incorrect
wiring
or
malfunctioned
polarity
protection
system
is
utilized
whereby
ground
components
can
cause
immediate
engagement
power
must
pass
through
an
external
power
contactor
of
starter
when
ground
service
plug
is
inserted.
to
be
connected
to
the bus.
A silicon
junction
diode
Also
refer
to
Cessna
Single-Engine
Service
is connected
in series
with the
coil
on the
external
Letter,
SE77-1
(Supplement
#1)
Dated
May
2,
power
contactor
so that
if
the
ground
power
source
is
1977.
inadvertently
connected
with
a reverse
polarity,
the
external
power
contactor
will
not close.
This
feature
protects
the
diodes
in
the alternator,
and
other
semi-
conductor
devices,
used
in
the aircraft
from
possible
reverse
polarity damage.
16-16

Cessna T182 Series Specifications

General

Engine Type	Lycoming IO-540-AB1A5
Horsepower	230 hp
Seating Capacity	4
Service Ceiling	18, 100 feet
Takeoff Distance	1, 600 feet
Landing Distance	1, 350 ft
Type	Single-engine
Max Takeoff Weight	3, 100 lb
Wingspan	36 ft
Length	29 ft
Height	9 feet 3 inches
Fuel Capacity	92 US gal (348 L)