Cessna T188C - Page 218

MODEL
188 &
T188
SERIES
SERVICE
MANUAL
11B-10. TROUBLE SHOOTING.
TROUBLE
PROBABLE
CAUSE
REMEDY
ENGINE
FAILS TO
START.
Engine flooded
or improper
use Refer
to the Information
Manual
of starting procedure.
for correct starting
procedures.
Defective aircraft
fuel system.
Refer
to Section 12.
Fuel tanks
empty.
Service
fuel tanks.
Spark plugs fouled or defective. Remove, clean, inspect and regap.
Use new gaskets. Check cables
to presistently
fouled
plugs.
Re-
place if defective.
Magneto impulse coupling failure. Repair o- install new coupling.
Defective magneto
switch or Repair
or replace switch
and leads.
grounded magneto leads.
Defective
ignition system.
Refer to paragraph
11-61.
Induction air leakage. Correct cause of air leakage.
Clogged fuel screen in fuel control Remove and clean. Replace
unit or defective unit. defective unit.
Clogged fuel screen in fuel Remove and clean screen. -Replace
manifold valve or defective defective valve.
valve.
Clogged fuel injection
lines or
Remove and clean lines
and nozzles.
discharge
nozzles.
Replace
defective units.
Defective auxiliary fuel pump. Refer to Section 12.
Engine-driven fuel pump not Install new engine-driven
permitting fuel from auxiliary fuel pump.
pump to bypass.
Vaporized fuel in
system. (Most
Refer to the Information
Manual
likely
to
occur
in hot
weather
with
for
correct
starting
procedures.
a
hot
engine.)
ENGINE STARTS BUT DIES. OR Propeller control in high pitch Use low pitch (high rpm) position
WILL NOT IDLE PROPERLY. (low rpm) position. for all ground operations.
Improper
idle speed or
idle Refer
to paragraph 11B-39.
mixture adjustment.
Defective aircraft fuel system. Refer to Section 12.
Spark plugs fouled or defective. Remove, clean, inspect and regap.
Use new gaskets. Check cables to
persistently
fouled plugs.
Replace
if defective.
Water in fuel system. Drain fuel tank sumps, lines
and fuel strainer.
Defective
ignition system.
Refer to
paragraph 11-61.
11B-4
Revision
1