Cessna T188C - Trouble Shooting

MODEL
188 & T188
SERIES SERVICE
MANUAL
11B-10.
TROUBLE
SHOOTING
(Contl.
TROUBLE
PROBABLE
CAUSE
REMEDY
UNABLE TO GET RATED Overboost Valve Defective Replace Valve
POWER
BECAUSE
MANI-
FOLD
PRESSURE
IS LOW.
Air Filter Obstructed Check - Replace
if Obstructed
Improperly
adjusted
wastegate
Adjust wastegate.
Refer to
paragraph 11B-55.
Leak in intake system. Check for cracks and other ob-
vious defects. Replace defective
components. Tighten clamps and
connections.
Leak in exhaust
system.
Check
for cracks and loose
connections. Replace defective
components. Tighten all clamps
and connections.
TURBOCHARGER
NOISY Turbocharger
overspeeding from
Refer to paragraph 11B-56.
WITH
PLENTY
OF POWER.
defective
or improperly
adjusted
Replace
if
defective.
Wastegate
Overboost Valve
Defective
Replace
Valve
ENGINE POWER
INCREASES
Overboost
Valve
Defective
Replace Valve
SLOWLY OR SEVERE MANI-
FOLD PRESSURE FLUCTU-
ATIONS WHEN THROTTLE
ADVANCED RAPIDLY.
ENGINE
POWER INCREASES
Overboost Valve Defective
Replace
Valve
RAPIDLY AND MANIFOLD
PRESSURE OVERBOOSTS
WHEN THROTTLE AD-
VANCED RAPIDLY.
11B-8