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Cessna 177 SERIES Service Manual

Cessna 177 SERIES
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13-8.
TROUBLE
SHOOTING
(Cont).
TROUBLE
PROBABLE
CAUSE
REMEDY
ENGINE
SPEED
WILL
NOT
Excessive
friction
in
pitch
Check
manually.
STABILIZE
(Cont).
changing
mechanism
inside
Propeller
repair
or
replacement
propeller
or
excessive
pro-
is
required.
peller
blade
friction.
Defective
governor.
Refer
to
paragraph
13-13.
Replace
defective
governor.
OIL
LEAKAGE
AT
PROPELLER
Damaged
O-ring
seal
between
Check
visually.
MOUNTING
FLANGE.
engine
crankshaft
flange
and
Remove
propeller
and
install
propeller.
O-
ring
seal.
Foreign
material
between
engine
Check
visually.
crankshaft
flange
and
propeller
Remove
propeller
and
clean
mating
surfaces
or
mounting
mating
surfaces; install
new
nuts
not
tight.
O-ring
and
tighten
mounting
nuts
evenly
to
torque
value
in
figure
13-2.
OIL
LEAKAGE
BETWEEN
Defective
cylinder
gasket
or
Check
visually.
PROPELLER
HUB
AND
cylinder
mounting
screws
Remove
cylinder,
clean
mating
CYLINDER.
not
tight.
surfaces
and
install
new
gasket.
OIL
LEAKAGE
AT
ANY
Defective
seals,
gaskets,
Check
visually.
OTHER
PLACE.
threads,
etc.,
or
incorrect
Propeller
repair
or
replacement
assembly.
is
required.
13-9.
REMOVAL.
(Refer
to
figure
13-2.)
NOTE
IWARNINGL
After
removal
of
the
propeller,
the
starter
ring
gear support
assembly
(9)
may
be
re-
Be
sure
magneto switch
is
in
OFF
position
moved from
the
engine
crankshaft
to
allow
before
turning
propeller.
easier
access
of
the
aft
spinner
bulkhead
at-
taching
bolts.
Loosen
alternator
adjusting
a. Remove
spinner
(1).
arm
and
disengage
alternator
drive pulley
b.
Remove
safety
wire
and
loosen
bolts
attaching
belt
from pulley
on
aft
face
of
starter
ring
propeller
to
engine
crankshaft,
about
1/4-inch
and
gear
support
assembly.
pull
propeller
forward.
13-10.
INSTALLATION.
(Refer
to
figure
13-2.)
NOTE
-
WARNING
Bolts
will
have
to
be
backed
out
evenly
so
that
propeller
may
be
pulled
forward
(ap-
Be
sure
magneto
switch
is
in OFF
position
proximately 1/4-inch
at
a
time)
until
all
before
turning
propeller.
bolts
are
disengaged
from
the
engine
crank-
shaft
flange.
As
the
propeller
is
separated
a.
If
aft
spinner
bulkhead
was
removed,
install
on
from
the
engine
crankshaft,
oil
will
drain
ring
gear
support,
using
bolts,
washers,
nuts
and
from
the
propeller
and engine
crankshaft
shims
as
shown
in
figure
13-2.
cavities.
b.
If
starter
ring
gear
support
and
aft
spinner
bulk-
head
were
removed,
clean
mating
surfaces
of
support
c.
Pull
propeller
(4)
from
engine
crankshaft
(10).
assembly
and
engine
crankshaft
flange.
d.
If
necessary
to
remove
the
aft
spinner
bulkhead
c.
Place
alternator
drive
belt
in
pulley
groove
of
(8),
remove
bolts,
washers
and
nuts
attaching
bulk-
the
starter
ring
gear
support.
Fit
starter
ring
gear
head
to
the
starter
ring
gear
support
(9).
Retain
support
assembly
over
propeller
flange
bushings
on
shims
(7).
the
crankshaft.
Change
2
13-5

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Cessna 177 SERIES Specifications

General IconGeneral
ManufacturerCessna
Engine TypePiston
Wingspan35 ft 6 in (10.82 m)
Seating Capacity4
Number Built4, 295
EngineLycoming O-360
Horsepower180 hp
Maximum Takeoff Weight2, 500 lb (1, 134 kg)

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