Cessna T182 Series User Manual

MODEL
182 & T182 SERIES
SERVICE MANUAL
ches; or, on parts with tie hole diameters
between
NOTE
0.045 and 0.062 when spacing between ports is less
than
two inches;
or, when
bolts
and screws
of 0.25-
Widely
spaced
multiple
groups shall
mean
those
inch
diameter
or less
are closely
spaced.
in which
fasteners
are
from four
to six inches
(c) 0.032-inch
minimum
diameter wire
is used
apart.
Lockwiring
shall
not be used
to secure
for general
purpose
lockwiring.
fasteners
or fittings
which
are
spaced more
NOTE
than
six
inches
apart,
unless
tie points
are pro-
vided on adjacent
parts to shorten
span of
When using single-wire method of locking, thelockwire to less than six inches.
largest
wire
that will
fit tie
holes should
be
5.
When lockwiring
closely
spaced multiple
used.
groups,
the number
of units
that can
be lockwired
b. Lockwire
Installation.
There
are
two basic
forms
by a
24-inch
length of
wire shall
be the maximum
of
lockwiring.
The
single-wire
method
has
limited
number
in a series.
application;
the
double-twist
method
is the common
6. Parts
should be
lockwired
so that wire
is
method of
lockwiring.
placed
in tension
(pulled
on) if
a part attempts
to
1.
Use new
wire
for each
application;
do not
try
loosen.
to
re-use old
wire.
c. Required
Lockwire
Installation
Applications.
2.
Single-wire
method
is accomplished
by pas-
1. Bolts
and
other fasteners
securing
critical
sing a single
wire through
tie holes
and back
with
parts
that affect airplane
safety
and operation.
ends then
twisted
together. (See
Figure 1-4.)
(a)
In blind-tapped
hole
applications
or bolts or
(a)
Single-wire
method is used
for shear and
castellated
nuts on studs,
lockwiring
is installed in
seal
wiring applications.
same manner
as described
for bolt heads.
(b) Single-wire
method can
be used in
closely
(b)
Hollow
head bolts
are safetied
in manner
spaced,
closed
geometric
patterns.
Closely
spaced
is
prescribed
for regular
bolts.
defined
as spacing
two inches
or less between
cen-
(c)
Drain plugs
and cocks
may be
safetied to
a
ters of
parts.
bolt,
nut, or other
part having
a free
tie hole in
(d) External
snap rings may be
locked if nec-
Screws in closely spaced
geometric patterns
essary
using general locking
principles as de-
which secure hydraulic
or air seals, hold hy-
scribed
and illustrated. Internal
snap rings should
draulic pressure, or are used in critical areas not be lockwired.
should use double-twist method of lockwiring. (e) When locking is required on electrical
connectors
which
use threaded
coupling
rings,
or
3. Lockwiring
by the double-twist
method is
on plugs which employ
screws or rings to
fasten
really
one wire twisted
on itself several
times and
is individual
parts of
plug together,
they shall be
accomplished by
the following steps (see
Figure 1- lockwired
with 0.020-inch
diameter wire in accor-
4)
dance
with locking principles
as described and
(a) Insert one end of wire through tie holes of illustrated. It is preferable to lockwire all electrical
bolt head and firmly loop around bolt head. connectors individually. Do not lockwire one con-
nector to another unless it is necessary to do so.
NOTE
(f)
Drilled head bolts
and screws need
not be
lockwired if installed
into self-locking nuts
or in-
This does not necessarily apply to castellated
stalled with lockwashers.
Castellated nuts with
nuts when slot is close
to top of nut. The wire cotter pins
or lockwire are preferred on bolts or
will be more secure if it is made to pass along
studs with drilled shanks, but
self-locking nuts are
side of stud.
permissible
within limitations
described in Para-
graph 1-13.
(b)
While taut, twist strands to within 1/8 inch
2. For new design, lockwire shall not
be used to
of
next part. The twisting
keeps wire taut without
secure nor shall
lockwire be dependent
upon frac-
overstressing and prevents wire from becoming ture as basis for operation of emergency devices
nicked, kinked, or mutilated. such as handles, switches, and guard-covering
(c) Lockwiring multiple
groups by double-
handles that
operate emergency
mechanisms such
twist
method is accomplished
in a similar
manner
as emergency
exits, fire
extingushers,
emergency
except twists
between parts are
alternated between
cabin pressure
release, emergency
landing gear
clockwise
and counterclockwise.
release,
and the like.
However,
where existing
(d) After
last tie
hole, wire
is twisted
three
to
structural
equipment
or
safety of
flight emergency
five
times
to form
a pigtail.
devices
requires
shear
wire
to secure
equipment
(e) Cut
off any
excess
wire
and bend
pigtail
while
not
in use,
but which
are
dependent
upon
towards
part.
shearing
or breaking
of lockwire
for successful
4.
When
lockwiring
widely
spaced
multiple
emergency
operation
of equipment,
particular
care
groups by double-twist method, three units
shall be exercised to assure that wiring
under these cir-
the
maximum
number in
a series.
cumstances
shall not prevent
emergency
operations
of these
devices.
Revision
1
1-9

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)