Cessna T188C - Page 190

MODEL
188
& T188
SERIES
SERVICE
MANUAL
11A-10.
REMOVAL.
If the
engine
is
to
be placed
in
m. Disconnect
wires
and
cables
as
follows:
storage
or returned
to
the
manufacturer
for overhaul,
1.
Tachometer
drive
shaft
at adapter
on engine.
proper
preparatory
steps
should
be
taken for
corro-
sion prevention
prior to
beginning
the removal
proce-
CAUTION
dure.
Refer
to Section
2 for
storage
preparation.
The routing
and
location
of wires,
cables,
lines,
When disconnecting
starter
cable do
not
hoses
and
controls
will
vary between
models
and op-
permit
starter
terminal
bolt to
rotate.
tional
equipment
installed,
however,
the
following
Rotation
of the
bolt
could break
the
con-
general
procedure
may
be followed.
ductor
between
bolt
and
field coils
caus-
ing the
starter
to be inoperative.
NOTE
2. Starter
electrical
cable at starter.
Identify
each
item
as it
is disconnected
to
3. Electrical
wires
and
wire
shielding
ground
aid
in replacement.
Plug
or cap
all dis-
at
alternator.
connected
lines,
hoses
and
fittings
to
pre-
4.
Cylinder
head temperature
thermocouple
at
vent
entry
of
foreign
material.
cylinder.
a.
Place
all
cockpit
switches
and
fuel shut-off
valve
WARNING
in the
OFF
position.
b.
Remove
engine
cowling
in accordance
with
para-
The
magneto
is
in a SWITCH
ON condition
graph
11A-3.
when
the switch
wire
is disconnected.
c. Open
battery
circuit
by disconnecting
battery
Ground
the magneto
points
or
remove
the
cables.
Insulate
cable
terminals
as a
safety
pre-
high
tension
wires
from
the
magneto
or
caution.
spark
plugs
to prevent
accidental
firing.
d. Drain
fuel
strainer
and
lines with
strainer
drain
control.
5. Disconnect
switch
wires
at magnetos.
n.
Disconnect
lines
and
hoses
as follows:
NOTE
WARNING|
The engine
may be
removed
from
the air-
craft
with
or
without
the
engine
mount
at-
Residual
fuel
and
oil
draining
from
discon-
tached.
The reason
for the
engine
removal
nected
lines
and
hoses
constitutes
a fire
should
be
the
governing
factor
as
to
the
hazard.
Use
caution
to
prevent
accumula-
manner
it is
to be
removed
and
at which
tion
of such
fuel
and
oil
when
lines
or
hoses
point
the
controls
should
be disconnected.
are disconnected.
e.
Drain
the
engine
oil
sump
and
oil
cooler.
1.
Oil
temperature
bulb
below
oil
cooler.
f.
Remove
spinner
and
propeller
in accordance
2.
Oil
pressure
hose
at
firewall.
with Section
13.
3.
Primer
line
to engine
at firewall.
g.
Disconnect
hot
and
cold
air
flexible
hoses.
4. Fuel
hose
at
fuel
strainer.
h. Remove
muffler
and
exhaust
stacks
in
accor-
5.
Manifold
pressure
line
at firewall.
dance
with
paragraph
11-79,
if engine
is to
be
re-
6.
Fuel
pressure
hose
at firewall.
moved
from
engine
mount.
7. Fuel
vapor
return
hose
at
firewall.
NOTE
CAUTION
During
the
following
steps
remove
any
clamps
If the
aircraft
is equipped
with
an
engine-
or
lacings
which
secure
controls,
wires,
driven
hydraulic
dispersal
system,
relieve
hoses
or
lines
to the
engine,
engine
mount
or
reservoir
air
pressure
before
disconnecting
attached
brackets.
Omit
any
of the
following
hydraulic
lines
at
engine.
items which
are not present
on a
particular
engine
installation.
o.
Attach
a
hoist
to the
lifting
lug
on
top of
the
en-
gine and
take up
engine weight
on hoist.
i. (THRU
AIRCRAFT
SERIAL
18800832)
Disconnect
p.
Carefully
check
the engine
again
to ensure
all
throttle
and mixture
control
at airbox
bellcranks.
hoses, lines,
wires,
cables
and
clamps
are discon-
Note
position,
sizes
and
number
of attaching
washers.
nected
or
removed
which
would
interfere
with
the
j.
(BEGINNING
WITH
AIRCRAFT
SERIAL
18800833)
engine
removal.
Disconnect
engine
controls
at
throttle
and mixture
q.
If the
engine
is
to be
removed
from
the engine
control
arms.
Note
position,
sizes
and number
of
mount,
remove
induction
airbox,
remove
bolts
attaching
washers.
attaching
engine
to
mount,
slowly
hoist
engine
and
k.
Pull
throttle
and mixture
controls
free
of
engine
pull
it forward
balancing
the
engine
by
hand
and
and
engine
mount,
using
care
not
to
damage
them
by
carefully
guide
the
disconnected
components
out
from
bending
too
sharply.
the
engine
assembly,
then
remove
the shock-mount
1.
Disconnect
propeller
control
at
governor.
Pull
assemblies.
control
aft clear
of engine.
11A-6