Cessna T188C - Page 219

MODEL 188 & T188 SERIES SERVICE MANUAL
11B-10. TROUBLE SHOOTING (Cont).
TROUBLE
PROBABLE CAUSE
REMEDY
ENGINE STARTS BUT
DIES, OR Induction air
leakage. Correct
cause of air leakage.
WILL NOT IDLE PROPERLY
(CONT).
Clogged
fuel screen in fuel
Remove and clean.
Replace
control
unit or defective
unit.
defective
unit.
Clogged
fuel screen
in fuel
mani-
Remove
and clean.
Replace
fold valve or
defective valve,
defective
valve.
Restricted fuel injection
lines
Remove, clean lines
and nozzles.
or discharge
nozzles.
Replace
defective units.
Defective
engine-driven
fuel Install
and calibrate new
pump.
pump.
Vaporized fuel
in system.
Refer to Information
Manual.
(Most likely to occur in hot
weather with a hot engine. )
Obstructed
air intake.
Remove
obstruction; service
air filter, if necessary.
Discharge nozzle
air vent
Check for bent lines
or loose con-
manifolding
restricted or
nections.
Tighten loose connec-
defective.
tions.
Remove restrictions
and
replace defective components.
Defective
engine.
Check compression
and listen
for
unusal engine noises. Check oil
filter
for excessive
metal.
Repair
engine as required.
ENGINE
HAS POOR
ACCEL-
Idle mixture
too lean.
Refer
to paragraph
11B-39.
ERATION.
RUNS
ROUGHLY
AT SPEEDS ABOVE
IDLE OR
Propeller
control in high
pitch
Use low pitch
(high rpm) position
LACKS POWER.
(low rpm) position.
for
all ground operations.
Incorrect
fuel-air mixture.
Replace
worn elements of
worn
control linkage or
control
linkage. Service
restricted air filter. air filter.
Defective
ignition
system.
Refer
to
paragraph
11-61.
Malfunctioning
turbocharger.
Check
operation,
listen
for unusual
noise. Tighten loose connections.
Improper
fuel-air mixture.
Check intake
manifold connections
for leaks. Tighten loose connec-
tions.
Check fuel
controls
and link-
age for setting and adjustment.
11B-5