Cessna 177 SERIES Service Manual

11-14.
REMOVAL.
If an
engine is
to be placed
in
sition, size
and number
of attaching
washers
and
storage or
returned to the manufacturer
for overhaul,
spacers for reference
on reinstallation.
proper preparatory steps
should be taken for
corro- j. Disconnect
propeller governor
control at gover-
sion
prevention prior
to beginning
the removal proce-
nor and
support bracket.
Note EXACT
position, size
dure.
Refer to Section
2 for storage
preparation.
and number
of attaching
washers for reference
on re-
The following
engine removal
procedure
is based upon
installation.
the engine being
removed from
the aircraft with
the
k. Loosen clamps
and remove
flexible ducts from
engine
mount attached
to the firewall.
the engine
baffle and oil
cooler shroud,
from the en-
gine baffle
and fuel strainer shroud,
from the muffler
NOTE
shroud and
heater valve and
from the engine baffle
and heater
valve.
Tag each
item when
disconnected to
aid in
1. Disconnect
the carburetor
heat control
at airbox
identifying
wires,
hoses, lines
and control
and remove
clamp
attaching control
to bracket.
Pull
linkages when
engine is reinstalled.
Like-
control
aft clear of engine.
wise, shop
notes made
during removal
will
m. Disconnect
fuel strainer
drain
remote
control.
often clarify
reinstallation.
Protect open-
n. Disconnect
wires and cables as
follows:
ings, exposed
as a result of removing
or
1. Disconnect tachometer
drive shaft at adapter.
disconnecting
units,
against
entry of foreign
material
by installing
covers or sealing
with
AUT N
tape.
When disconnecting starter cable do not
a. Place
all cabin
switches in the
OFF position.
permit starter
terminal bolt
to rotate.
b. Pull fuel
shut-off
valve control
to the
OFF posi-
Rotation
of
the bolt could
break the
con-
tion.
ductor between
bolt and field
coils caus-
c. Remove
engine cowling
in accordance
with para-
ing
the starter to
be inoperative.
graph
11-3.
d.
Disconnect
battery cables
and insulate
terminals
2. Disconnect
starter
electrical
cable at starter.
as a safety
precaution.
3. Disconnect
cylinder
head
temperature
wire
at
e. Drain
fuel strainer
and
lines with
strainer
drain
probe.
control.
4. Disconnect
electrical
wires and
wire shielding
ground at alternator.
NOTE
5. Disconnect
exhaust gas temperature
wires
at
quick-disconnect.
During
the following
procedures,
remove
6.
Remove all clamps
and lacings
attaching wires
any clamps or
lacings which
secure con-
-or
cables to engine
and pull wires
and cables aft
to
trols, wires, hoses
or lines to the engine,
clear engine.
engine mount or attached
brackets, so
o.
Disconnect lines and
hoses as follows:
they
will not interfere
with engine
removal.
1.
Disconnect
vacuum hose at
firewall fitting.
Some of the items
listed can
be disconnected
2. Disconnect
engine breather
hose at top of
ac-
at more
than one
place.
It may be
desirable
cessory
case.
to disconnect some of these items at other
than the places indicated.
The reason for
IWARNIN
engine removal
should be the governing
fac-
tor in deciding
at which
point to disconnect
Residual
fuel and oil
draining from
discon-
them. Omit
any of the items
which are
not
nected
lines and hoses
constitutes
a fire
present on a
particular engine
installation.
hazard. Use
caution to
prevent accumula-
tion of
such fuel and oil
when lines or hoses
f. Drain
the engine
oil sump
and oil cooler.
are
disconnected.
g. Disconnect magneto
primary lead
wires at
magnetos.
3. Disconnect
oil temperature
bulb
at adapter.
WARNING iAA P4.
Disconnect primer line at firewall
fitting.
WARNPINGy
5. Disconnect
fuel
supply hose at
electric fuel
pump
on firewall.
The magnetos
are
in a SWITCH
ON condition
6.
Disconnect
oil pressure
line at
firewall
when
the switch
wires
are disconnected.
fitting.
Ground
the magneto
points
or remove
the
high
7. Disconnect
oil cooler
hoses at
cooler.
tension
wires
from the
magnetos or
spark
8. Disconnect
fuel
pressure
line at firewall.
plugs
to prevent
accidental
firing.
9. Disconnect
engine-driven
fuel
pump drain
line at pump.
h. Remove
the spinner
and propeller
in accordance
p. Carefully
check
the engine
again to ensure
ALL
with Section
13.
hoses, lines,
wires,
cables, clamps
and lacings
are
i. Disconnect
throttle
and mixture
controls at car-
disconnected
or removed
which would
interfere with
buretor.
Remove
clamps attaching
controls to
engine the
engine removal.
Ensure all wires,
cables and
and
pull controls
aft
clear of
engine.
Use care
to
engine
controls
have been
pulled aft
to clear
the en-
avoid
bending
controls
too sharply.
Note
EXACT
po-
gine.
Change
2
11-9

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)