Cessna T188C - Trouble Shooting

MODEL
188
& T188
SERIES
SERVICE
MANUAL
12-4. TROUBLE SHOOTING (Cont).
TROUBLE
PROBABLE
CAUSE
REMEDY
NO FUEL
QUANTITY
Fuel tank
empty.
Service
with
proper
grade and
INDICATION
amount
of
fuel.
Circuit breaker
open
or de-
Reset.
Replace
if defective.
fective.
Loose
connections
or open
Tighten
connections;
repair
or
circuit.
replace
wiring.
Defective
fuel quantity indi-
Refer
to Section 15.
cator or transmitter.
12-5. TROUBLE
SHOOTING.
(Fuel-Injected
Engine).
NOTE
This
trouble shooting
chart should be
used in conjunction
with the
engine trouble shooting
chart in
Section 11A.
TROUBLE
PROBABLE CAUSE
REMEDY
NO FUEL
FLOW TO
ENGINE-
Fuel shut-off
valve not turned
on. Turn
fuel shut-off
valve on.
DRIVEN FUEL PUMP
Fuel
tank or cells empty.
Service
with proper grade
and
amount of fuel.
Fuel line
disconnected or
broken. Connect
or repair fuel
lines.
Fuel tank
outlet screen
plugged.
Remove
and
clean screen
and flush
out fuel tank.
Defective fuel shut-off valve. Remove and repair or replace
shut-off valve.
Plugged
fuel strainer.
Clean
strainer and screen.
Defective check
valve in electric
Repair or replace
electric fuel
fuel pump. pump.
Fuel line plugged.
Clean out or replace
fuel line.
FUEL STARVATION
Partial
fuel flow from the pre-
Use the preceding remedies.
AFTER
STARTING
ceding
causes.
Malfunction
of engine-driven
fuel
Refer to Section
11A.
pump or fuel injection system.
Fuel vent line(s) plugged. Refer to paragraph 12-8 or 12-11.
Water in fuel. Drain strainer, tank or cells, and
lines.
NO FUEL FLOW WHEN Defective fuel pump switch. Replace defective switch.
ELECTRIC PUMP IS
TURNED ON Defective throttle switch. Replace defective switch.
Open or
defective circuit breaker.
Reset; replace
if defective.
12-3