Cessna 182 1978 - Nose Gear Shock Strut Reassembly

MODEL
182
& T182
SERIES
SERVICE
MANUAL
5-46.
NOSE
GEAR
SHOCK
STRUT
REASSEMBLY.
o. Line
up holes
in
steering
torque
arm (6)
and clo-
(MODEL
182.)
(See
figure 5-9.)
sure assembly
(32) with
holes in steering
collar
(9)
NOTE
shers
and
nuts.
p.
Install torque
links, positioning
washers, shims
Assemble
these
parts lubricated
with
a
and spacers
exactly in
positions
as removed.
film of
Petrolatum/VV-P-236,
hydrau-
q. Install
shimmy dampener.
lic fluid/MIL-H-5606
or
Dow Corning
r.
After shock
strut
assembly
is complete,
install
DC-7.
strut on
aircraft
as outlined
in paragraph
5-27.
s.
After
strut
is installed,
fill
and
inflate
shock
a.
Install washer
(10) and shim(s)
(33), if installed.
strut
in accordance
with procedures
outlined in Sec-
b. Lubricate
needle bearings
in steering collar
(9), tion
2 of this manual.
as described
in
Section
2 of
this manual,
and
install
steering
collar
(9) and
retaining
ring
(8).
5-47.
NOSE
GEAR
REMOVAL.
(MODEL
T182.)
c.
Check
steering
collar
for
snug
fit
against
washer
(See
figure
5-10.)
(10).
Shims
of variable
thicknesses
are available
a. Remove
cowling
and
access
panel
aft
of gear
well
from
the
Cessna
Supply
Division
to
provide
a
snug
fit
to provide
access
to
drag
link.
for
the collar
against
the washer.
b.
Weight
or
tie down
tail
of
aircraft
to raise
nose
wheel
off the
floor.
NOTE
NOTE
If shims
are
required,
remove
retaining
ring
and steering
collar
and
add shims
as
neces-
It
is not
necessary
to
deflate
the
nose
gear
sary
to provide
a snug
fit
with
steering
collar
strut
to remove
the
nose
gear.
retaining
ring
in place.
c.
Remove
bolt attaching
drag link
to actuator-attach
Part
numbers
of
available
shims
and
their
thicknesses
fitting
(7).
are
listed
as follows:
d.
Remove
trunnion-attach
bolts
and steering
bell-
crank bolt
1243030-5
......
.. . .
. ..
. 0. 006-inch
e.
Remove
strut
from
aircraft.
1243030-6
.
. . . . .
. . . . .
. 0. 012-inch
1243030-7
..
.. . . .
.....
0. 020-inch
5-48.
NOSE GEAR
SHOCK
STRUT DISASSEMBLY.
d.
Install O-ring
(2) and filler valve
(1) in orifice
a Bleed
pressure from
strut through
valve (3).
piston
support
(3),
and install
orifice
piston
support
b. Remove
shimmy
dampener
from
strut.
in
upper
strut
(4).
c.
Remove
torque
links
(39)
and
(43).
e.
Install
O-ring
(24) and
metering
pin
(20) with
O-
d.
Remove
bellcrank
(1).
collar
(2) and
valve (3)
ring
(21)
in
base
plug
(22):
secure
with
nut.
from
top
of strut
assembly.
e. Remove
flat
snap ring
(20) and collar
(19) from
NOTE lower end of outer barrel (18).
f. Remove
wire lock
ring (28) from
groove
at upper
If base
plug is to be
replaced, new
part will
end of lower
shock strut
(30) and remove
bearing (29)
need to be line-drilled
to accept NAS5 bolt.
and packing
support ring (24)
from lower strut.
g.
Remove
plug
(35) and
metering
pin
(32) from
f. Install
base plug assembly
in lower strut fork
lower strut by removing
bolt through fork
attached
assembly
(13)
and (25).
to lower
strut (30).
g. Install
bolt
(27) through
upper
hole
in lower
strut,
h. Remove
metering
pin (32)
from
plug (35).
through
base plug
(22), and
secure
with nut (18).
h.
Install
lock ring
(17),
retaining
ring
(16) and
5-49.
NOSE
GEAR
SHOCK
STRUT
INSPECTION
scraper
ring
(15), making
sure
they
are installed
in
AND
REPAIR.
(MODEL
T182.)
(See
figure
5-11.)
same
positions
as
they were
removed.
a.
Thoroughly
clean
all
parts
in cleaning
solvent
i. Install
O-rings
(30)
and (31)
and
back-up
rings
in
and inspect
them carefully.
packing
support
ring
(14): slide
packing
support
ring
b. All
worn
or defective
parts
and
all O-rings
and
over
lower
strut (13).
back-up
rings
must
be replaced
with new
parts.
j.
Install
bearing
(12) and
lock
ring
(11) at
upper
c.
Sharp
metal
edges
should
be smoothed
with No.
end
of lower
strut assembly.
Note
top
side
of bearing,
40
emery
paper.
then
cleaned
with
solvent.
k. Install
upper strut
assembly
over lower
strut as-
sembly.
5-50.
NOSE
GEAR
SHOCK
STRUT
REASSEMBLY.
1. Install
lock
ring
(17) in
groove
in lower
end
of up-
(MODEL
T182.)
(See
figure
5-11.)
per
strut.
Position
lock
ring
so that
one
of its ends
a. Lubricate
and install
all
new packings
and back-
covers
the
small
access
hole in
the lock
ring
groove
up rings.
(Section view
B-B.)
b. Lubricate
bearings as
required with MIL-G-
m. Install
closure
assembly
(32) over
upper
strut
23827A
grease
or equivalent.
(4).
c.
Reassemble
strut
by reversing
procedures
out-
n. Install
steering
torque
arm over
upper
strut
(4).
lined in
paragraph
5-48.
Beginning
with
T18268183,
apply Loctite
to nose gear pivot
bolts (46).
5-25