Cessna T188C - Trouble Shooting

MODEL
188
& T188
SERIES
SERVICE
MANUAL
NOTE
The
0-470-S
engine
is
interchangeable
with
the
0-470-R
engine
on
aircraft
serials
18800833
THRU
18801824.
Refer
to
Cessna
Single-engine
Service
Letter
SE75-2
Dated
January
17,
1975.
11-9.
TROUBLE
SHOOTING.
TROUBLE
PROBABLE
CAUSE
REMEDY
ENGINE
FAILS
TO START.
Improper
use
of starting
Refer
to Owner's
Manual
procedure.
Defective
aircraft
fuel
system.
Refer to
Section
12.
Spark plugs
fouled.
Remove and
clean.
Check gaps
and
insulators.
Use
new gaskets.
Check
cables
to
persistently
fouled
plugs.
Magneto
impulse
coupling
failure.
Repair
or install
new coupling.
Defective
magneto
switch
Repair
or replace
switch
or grounded
magneto
leads,
and
leads.
Defective
ignition
system.
Refer
to paragraph
11-61.
Excessive
induction
air
leaks.
Correct
cause
of air
leaks.
Defective
carburetor.
Repair
or replace carburetor.
Water
in
fuel
system.
Drain
fuel
tank
sumps,
fuel
lines,
fuel
strainer
and
carburetor.
Engine
flooded.
Refer
to
Owner's
Manual
Vaporized
fuel
in system.
Refer
to
Owner's
Manual
ENGINE
STARTS
BUT
DIES,
Improper
idle
speed
or idle
Refer
to paragraph
11-43.
OR WILL NOT
IDLE.
mixture adjustment.
Propeller
control
set
in
high
Use
low
pitch
(high
rpm)
position
pitch
position
(low
rpm).
for
all
ground
operations.
Air
leak in
intake manifold.
Tighten loose
connections
or
replace
damaged
parts.
Spark
plugs
fouled
by
oil
Top
overhaul
engine.
escaping
past
piston
rings.
Water
in fuel
system.
Drain
fuel tank
sumps,
fuel
lines,
fuel strainer
and
carburetor.
Defective
ignition
system.
Refer
to paragraph
11-61.
Spark
plugs
fouled
or
Clean
and
regap.
Replace
improperly
gapped.
if
defective.
Defective
fuel system.
Refer
to Section
12.
11-5