Cessna 177 SERIES Service Manual

11-3.
REMOVAL
AND
INSTALLATION
11-8.
REMOVAL
AND
INSTALLATION.
a.
Release
the
quick-release
fasteners
attaching
a.
Place
cowl
flap
control
in the
OPEN
position.
the
cowling
to
the
shock-mounts
and
at
the
parting
b.
Disconnect
cowl
flap
control
cevises
from
cowl
surfaces
of
the
upper
and
lower
cowling
segments.
flaps.
b.
Remove
the
machine
screws
securing
the
cowling
c.
Remove
safety
wire
securing
hinge
pins
to
cowl
nose
caps
together.
flaps,
pull pins
from
hinges
and
remove
flaps.
c. THRU
AIRCRAFT
SERIAL
17701164.
Disconnect
d.
Reverse
the
preceding
steps
for reinstallation.
carburetor
heat control,
alternate
air
duct
and car-
Rig
cowl
flaps.
if necessary,
in accordance
with
buretor
air duct
from
the
airbox.
paragraph
11-9.
d.
BEGINNING
WITH
AIRCRAFT
SERIAL
17701371
disconnect
cowl
flap
controls
at the
cowl
flaps.
11-9.
RIGGING.
e. BEGINNING
WITH
AIRCRAFT
SERIAL
17701531
a.
Disconnect
cowl
flap
control
devises
from
cowl
disconnect
landing
light electrical
wiring.
flaps.
f.
Reverse
the
preceding
steps
for
reinstallation.
b.
Check
to make
sure
that
the flexible
controls
Be
sure
that
the baffle
seals
are
turned
in
the
correct
reach
their
internal
stops
in
each
direction.
Mark
direction
to confine
and
direct
airflow
around
the
controls
so that
full travel
can be
readily
checked
engine.
The vertical
seals
must
fold forward
and the
and
maintained
during
the
remaining
rigging
pro-
side
seals
must
fold
upwards.
cedures.
c.
Place
cowl
flap
control
lever
in the
CLOSED
NOTE
position
(bottom
hole
in the
bracket).
If
the control
lever
cannot
be
placed
in
the
bottom
hole,
loosen
When
new shock-mounts
or brackets
are
be-
clamp
at
upper
end
of controls
and
slip
housings
in
ing installed,
careful
measurements
should
clamp or
adjust controls
at upper
clevis to
position
be
made to
position
these
parts
correctly
on
control
lever in
bottom
hole
in the bracket.
the firewall.
These
service
parts
are not
d. With
the control
lever
in CLOSED
position,
hold
pre-drilled.
Install
shock-mounts
on brackets
one
cowl
flap closed,
streamlined
with trailing
edge
so
that cowling
stud and
shock-mount
are
cor-
of lower
cowl.
Adjust
clevis
on the
control
to hold
rectly
aligned.
Sheet
aluminum
may
be
used
cowl
flap
in this
position
and
install
bolt.
as
shims
between
bracket
halves
to provide
proper
cowling
contour.
NOTE
11-4.
CLEANING
AND
INSPECTION.
Wipe
the
in-
If
the
lower
control
clevis
cannot
be
adjusted
ner
surfaces
of
the
cowling
segments
with
a clean
far
enough
to
streamline
flap
and
still
main-
cloth
saturated
with
cleaning
solvent
(Stoddard
or
tain
sufficient
thread
engagement,
loosen
the
equivalent).
If the
inside
surface
of the
cowling
is
-
lower
control
housing
clamp
and
slide
housing
coated
heavily
with
oil or
dirt,
allow
solvent
to
soak
in clamp
as
necessary.
until
foreign
material
can
be
removed.
Wash
painted
surfaces
of
the cowling
with
a solution
of
mild
soap
e.
Repeat
the
preceding
step
for
the
opposite
cowl
and
water
and
rinse
thoroughly.
After
washing,
a
flap.
coat
of wax
may
be
applied
to the
painted
surfaces
to
prolong
paint
life.
After
cleaning,
inspect
cowling
11-10.
ENGINE.
for
dents,
cracks.
loose
rivets
and
spot
welds.
Re-
pair
all
defects
to
prevent
spread
of
damage.
11-11.
DESCRIPTION.
An
air
cooled,
wet-sump,
four-cylinder,
horizontally-opposed.
direct-drive.
11-5.
REPAIR.
If
cowling
skins
are
extensively
carbureted
"Blue
Streak"
(Lycoming)
engine
is
used
damaged.
new
complete
sections
of
the cowling
to power
the aircraft.
The cylinders,
numbered
from
should
be
installed.
Standard
insert-type
patches
front
to rear,
are staggered
to
permit
a
separate
may
be
used
for repair
if repair
parts
are formed
throw
on the
crankshaft
for
each
connecting
rod.
The
to fit
contour
of
cowling.
Small
cracks
may
be
stop-
right
front
cylinder
is number
1
and
cylinders
on
the
drilled
and
small
dents
straightened
if
they
are
re-
right
side
are
identified
by
odd
numbers
1 and
3.
The
inforced
on the
inner
surface
with
a doubler
of
the
left
front
cylinder
is
number
2 and
the
cylinders
on
same
material
as
the
cowling
skin.
Damaged
rein-
the
left
side
are
identified
as
numbers
2
and
4.
Refer
forcement
angles
should
be
replaced
with
new
parts.
to
paragraph
11-12
for
engine
data.
For
repair
and
Due
to
their
small
size,
new
reinforcement
angles
overhaul
of
the
engine,
accessories
and
propeller.
are
easier
to
install
than
to repair
the
damaged
part.
refer
to
the
appropriate
publications
issued
by
their
manufacturer's.
These
publications
are available
11-6.
COWL
FLAPS.
from
the
Cessna
Service
Parts
Center.
11-7.
DESCRIPTION.
Beginning
with
aircraft
serial
17701371.
cowl
flaps
are
provided
to aid
in controlling
engine
temperature.
Two
cowl
flaps,
operated
by
a
single
control
in the
cabin,
are
located
at
the
aft
edge
of the
lower
cowl
segment.
Change
2
11-3

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)