Cessna T188C - Cleaning and Inspection; 11-50. Induction Air Filter; 11-52. Removal and Installation; Description

MODEL
188
& T188
SERIES
SERVICE
MANUAL
THESE
CONTACT
POINTS
ARE USABLE
THESE CONTACT
POINTS NEED
REPLACEMENT
Figure
11-6.
Magneto
Contact
Breaker
Points
b.
Disconnect
flexible
duct from
left side
of airbox.
ty wire
nuts together
to prevent
them
from loosening.
c. Disconnect
boot from
forward end of
airbox.
d.
Disconnect carburetor
heat control
at arm
on 11-53.
CLEANING
AND INSPECTION.
Clean and
right
side of
airbox
and remove
clamp
securing
con-
inspect
in accordance
with instructions
in Section
2.
trol
to
airbox.
e. Remove
mounting
bolt
safety
wire,
remove
11-54.
IGNITION
SYSTEM.
bolts
and gasket,
remove the breather
line mounting
strap and
carefully remove airbox.
11-55. DESCRIPTION.
The ignition system
is
f. Reverse the
preceding steps for reinstallation.
comprised of two magnetos,
two spark plugs in each
Rig carburetor
heat control
in
accordance
with
para-
cylinder,
ignition
wiring
harness,
two toggle
switches
graph 11-70. mounted on the instrument panel and required wiring
between
the toggle
switches
and
magnetos.
11-49.
CLEANING
AND
INSPECTION.
Clean
and
parts
of the
induction
air
box
with
Stoddard
solvent
11-56.
MAGNETOS.
or
equivalent.
Inspect
for
cracks,
dents,
loose
rivets,
etc.
Minor
cracks
may
be
stop-drilled.
In
11-57.
DESCRIPTION.
The
magnetos
contain
a con-
case
of continued
or
severe
cracking,
replace
air
ventional
two-pole
rotating
magnet
(rotor),
mounted
box.
Inspect
gaskets
and
install
new
gaskets,
if dam-
in
ball bearings.
Driven
by
the
engine
through
an
aged.
Check
manually-operated
air door
for
ease
of
impulse
coupling
at one
end,
the
rotor
shaft
operates
operation
and
proper
rigging.
the
breaker
points
at
the other
end
of
the
shaft.
The
nylon rotor gear drives a nylon distributor gear which
11-50.
INDUCTION
AIR
FILTER.
transfers
high
tension
current
from
the
wedge-mount-
ed coil
to the proper outlet
in the distributor
block.
11-51.
DESCRIPTION.
An
induction
air
filter,
A coaxial
capacitor
is mounted
in the
distributor
block
mounted
at the
induction
air
inlet
on
the
front
of
the
housing
to serve
as
the condenser
as well
as a
radio
lower
cowling,
removes
dust
particles
from
the
ram
noise
suppressor.
Both
nylon
gears
are provided
air
entering
the engine.
with
timing
marks
for
clockwise
or
counterclockwise
rotation.
The
distributor
gear
and
distributor
block
11-52.
REMOVAL
AND
INSTALLATION.
have
timing
marks,
visible
through
the
air vent
holes,
a.
(THRU
AIRCRAFT
SERIAL
18800572)
Cut
for
timing
to the
engine.
A timing
hole
is
provided
safety
wire
securing
wing
nuts
and
unscrew
nuts
ap-
in
the bottom
of the
magneto
adjacent
to the
magneto
proximately
1/4
inch.
flange.
A timing
pin
or
6-penny
nail
can
be
inserted
b.
Unhook
bolts
from
mount
and
remove
filter
with
through
this
timing
hole
into
the mating
hole
in the
bolts
and nuts
attached.
rotor
shaft
to
lock
the
magneto
approximately
in
the
c. (BEGINNING
WITH AIRCRAFT
SERIAL 18800573)
proper
firing position.
The
breaker
assembly
is
Cut
safety
wire
securing
wing
nuts
and unscrew
nuts
accessible
only
after
removing
the
screws
fastening
completely.
the
magneto
halves
together
and
disconnecting
the
d.
Remove
washers
and
lift
filter
free
of bolts.
capacitor
slip
terminal.
Do
not separate
magneto
e.
Reverse
the
preceding
steps
for
reinstallation.
halves
while
it is installed
on the
engine.
When
tightening
wing
nuts,
do not
crush
filter.
Safe-
11-18 Revision 1