Cessna 177 SERIES Service Manual

5-29A.
NOSE
GEAR
SHOCK
STRUT
REASSEMBLY.
i.
Coat threads
of filler
valve
(35)
with Loctite
(Refer
to figure
5-9.)
sealant,
and
insert
filler
valve
through
hole
in front
of fork.
and screw
into threaded
hole in
base plug (31);
NOTE
tighten.
j. Install
lock
ring (25),
back-up
ring
(24).
scraper
Used
sparingly,
Dow Corning
Compound
DC4
ring (23)
and
bearing
(22) on
lower
strut.
is recommended
for
O-ring
lubrication.
All
k. Install
O-rings
(18)
and (20)
on piston
head
(19)
other
internal
parts
should
be liberally
coated
and install
piston
head
with beveled
edge
of piston
up
with
hydraulic
fluid during
reassembly.
next
to retaining
ring groove.
1.
Install
retaining
ring
(17) and
snap
into groove
a.
If steering
collar
(14) was
removed
and
disassem-
at top
of lower
strut.
bled,
reassemble
completely,
and install
collar
on
m.
Slide
outer
barrel
assembly
down
over
lower
outer
barrel
(16).
strut
and fork
assembly.
n. Rotate
lock
ring
(25) until
one
of its
ends just
NOTE
covers
the
small
access
hole
in bottom
of
outer
barrel;
secure
lock ring
in groove
inside bottom
of barrel
as-
Collar
is a
slight
press fit
over
barrel,
and
sembly.
it might
be
required
to
tap collar
gently
with
o. If
torque
links
were
disassembled,
assemble
in
a rubber
mallet
while
installing
collar
over
accordance
with
paragraph
5-41.
barrel.
p.
Install
torque links
on
nose gear
as outlined
in
paragraph
5-31E.)
b.
Install fitting
assembly
(12) over
barrel and
slide
down
to
rest on
collar
assembly.
NOTE
c. Install
O-ring
(11) in groove
of plug
(10) and in-
sert
plug
in barrel
(16)
with filler
plug
hole
to for-
If speed
fairings
are to
be installed,
remove
ward edge
of
strut
and holes
in
plug aligned
with holes
bolt
(30),
washers.
tow bar
spacers
(29)
and
in barrel.
nut
(36).
NOTE
q.
Install
speed
fairings
as outlined
in paragraph
5-20.
Do not
install
filler
plug (8)
or gasket
(9)
at
r. Install
nose
wheel
per
paragraph
5-21.
this
time.
s.
Install
gasket
(9)
on fluid
filler
plug
(8).
Install
filler
plug
in plug
(10).
d.
Install
collar
assembly
(6),
lining
up
holes
with
-
t. Inflate
strut
in accordance
with
procedures
out-
holes
in barrel
(16)
and
plug
(10).
Install
bolt (7).
lined
in
Section
2 of
this manual.
washers
and nut
(5).
e.
Install
O-ring
(34)
on
floating
piston
(33)
and
in-
5-30.
HEAVY-DUTY
NOSE
GEAR.
sert
piston through
bottom
of lower
strut
and fork
assembly.
5-31.
DESCRIPTION.
The
optional
heavy-duty
nose
f.
Install
O-ring
(32)
on plug
(31)
and insert
plug
gear
is shown
in
figure
5-10.
Procedures
outlined
in
through
bottom
of
lower
strut
and
fork
assembly,
paragraphs
5-19
and
5-28
thru
5-29A
should
be fol-
making
sure
that
threaded
hole
in plug
is
to forward
lowed
during
removal,
disassembly,
inspection
and
edge
of strut
and
can
be
seen
through
hole
in
forward
repair
and
reassembly
of the
heavy-duty
strut,
with
side
of fork.
exceptions
noted
in
figure
5-10.
NOTE
5-31A.
TORQUE
LINKS.
If plug
(31)
is
to be
replaced.
new
part
will
5-31B.
DESCRIPTION.
Torque
links
keep
the
lower
need
to be
line-drilled
to accept
NAS-75-5
strut
aligned
with
the
nose
gear
steering
system,
but
bushing.
permit
shock
strut action.
g.
Install
bushing
(28).
bolt
(30).
washers,
tow
bar
5-31C.
TORQUE
LINK
REMOVAL.
(Refer
to
figure
spacers
(29)
and
nut (36).
51
NOTE
WARNING
If wheel
speed
fairings
are
to
be installed.
Completely
deflate
strut
before
removing
do
not
torque
nut
(36)
at this
time.
torque
links.
h.
Using
a small
rod,
inserted
through
hole
in top
a.
Completely
deflate
shock
strut.
of
lower
strut
(21),
push
floating
piston
(33) to
rest
b. Disconnect
upper
and
lower
attaching
bolts,
on
top of
plug
(31).
washers
and
nuts.
NOTE
Do
not remove
bearings
(7)
or bushings
(3)
except
for
replacement
of parts.
Change
6
5-15

Cessna 177 SERIES Specifications

General

Manufacturer	Cessna
Engine Type	Piston
Wingspan	35 ft 6 in (10.82 m)
Seating Capacity	4
Number Built	4, 295
Engine	Lycoming O-360
Horsepower	180 hp
Maximum Takeoff Weight	2, 500 lb (1, 134 kg)