Cessna 177 SERIES Service Manual

e.
If left
wing is
being
removed,
disconnect
flap
d.
Connect.
cables
at
turnbuckles,
and remove
cable
guards
and/
1.
Electrical
wires
at
wing root
disconnects.
or
pulleys
as
necessary
to pull
flap
cables
into
left
2.
Fuel
lines
at wing
root.
wing root
area.
Disconnect
flap follow-up
control
3. Pitot
line (if
left wing
is being
installed).
from
follow-up
control
arm and
pull control
out
of
4.
Cabin
ventilator
hoses
at wing root.
wing
area.
Disconnect
electrical
lead at
flap motor
e.
Rig aileron
system
(Section
6).
quick-disconnect.
Refer
to figure
7-1 for
flap cable
f. Rig flap
system
(Section
7).
routing,
turnbuckle
location,
and details
of
flap sys-
g. Refuel
wing
tank
and check
all connections
for
tem.
leaks.
h. Check
operation
of
navigation,
courtesy
and land-
NOTE
ing lights.
(Landing
lights
thru
1970 Models.)
i. Check
operation
of fuel
gage.
It is recommended
to
secure
flap in stream-
j. Install
wing
gap fairings
and
fillets.
lined
position
with
tape during
wing removal
to prevent
damage
since
flap will
swing freely.
NOTE
f. Remove
nut,
washer
and bolt
attaching
front fuel
Be sure
to install
soundproofing
panel
in wing
spar to
fuselage.
gap before
replacing
fairings.
g.
Remove
bolts,
washers,
and
retainers
that
hold
main
spar dowel
pins
in position.
k. Install
all inspection
plates,
interior
panels
and
h. Support
wing
at inboard
and
outboard
end,
and
upholstery.
remove
dowel
pins
that attach
main
wing spar
to
L Test
operate flap
and aileron
systems.
fuselage.
It is best to
remove the
top dowel
pin first,
then
lower
outboard
end
of wing
before removing
the
4-7.
ADJUSTMENT
(CORRECTING
"WING-HEAVY"
bottom
dowel pin.
CONDITION).
If considerable
control
wheel pressure
is required
to
keep the
wings
level
in normal
flight,
NOTE
a wing-heavy
condition
exists. Refer
to Section
6 for
adjustment
of aileron
tabs.
It may be necessary
to use a long
punch to
drive
out main
wing
spar attaching
dowel
4-8.
FIN.
(Refer
to figure
4-2).
pins,
or to
rock the
wings slightly
while
removing
the pins.
Care must
be used
not
4-9.
DESCRIPTION.
The fin
is primarily
of metal
to damage
dowel
pins, spar
fittings,
or spar
construction,
consisting
of ribs
and spars,
covered
carry-thru
fittings
as
these
are reamed
with
skin.
Fin
tips
are of
ABS
construction.
Hinge
|
holes and close
tolerance
dowel pins.
brackets at
the rear spar
attach the
rudder.
Brack-
ets containing
rudder
stop bolts
are attached
at the
i.
Remove wing
and lay
on padded
stand.
rear
spar.
4-5.
REPAIR.
A damaged
wing
panel may
be re-
4-10.
REMOVAL.
The fin may
be removed
without
paired
in accordance
with instructions
outlined
in
first removing
the
rudder.
However,
for access
and
Section
18. Extensive
repairs
of wing
skin or struc-
ease
of handling,
the rudder
may be
removed, follow-
ture are
best accomplished
using the
wing repair
jig,
ing procedures
outlined
in Section
10.
which may
be obtained
from
Cessna.
The wing
jig
a.
Remove stabilator
tab actuator
arm and
remove
serves
not only
as a holding
fixture,
making
work
on
stinger.
the wing
easier,
but also
assures
absolute
alignment
b. Remove
stabilator
trim
tab bellcrank.
of the repaired
wing.
c. Disconnect
flashing
beacon
lead, tail
navigation
light lead,
antennas
and antenna
leads,
and rudder
4-6.
INSTALLATION.
cables
if rudder
has not
been removed.
a. Hold
wing in position
with wing
tip low.
d. Remove
screws
attaching
dorsal to fuselage
and
b.
Install:
fin and
remove dorsal
and dorsal
fairing.
1.
Dowel pins attaching
main spar
to fuselage.
e. Remove
bolts attaching
fin rear
spar to bulkhead
(Install
bottom
pin first, then
rotate wing
up and in-
and
remove bolts
attaching
bracket at
fin front spar
stall
top
pin. )
to
fuselage.
f.
Remove
the fin.
NOTE
4-11.
REPAIR.
Fin repair
should be
accomplished
Refer
to figure 4-1
for lubrication
of
in accordance
with
applicable
instructions
outlined in
dowel
pins prior
to installation.
Section
18.
2.
Bolts, retainers,
washers,
and
nuts that
4-12.
INSTALLATION.
Reverse the
steps outlined
hold main spar
attach
dowel pins in
position.
in paragraph
4-10 to install
the fin.
Check and
reset
3. Front
fuel spar
attach bolt,
washer
and nut.
rudder
and stabilator
travel
if any stop
bolts were
c. Route
flap and
aileron
cables and
make
proper
removed
or settings
disturbed.
connections.
4-2
Change
5

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)