Cessna 188 Series User Manual

MODEL
188 & T188
SERIES SERVICE
MANUAL
11-9.
TROUBLE
SHOOTING
(Cont).
TROUBLE
PROBABLE
CAUSE
REMEDY
ENGINE STARTS
BUT DIES, Leaking
float valve or float
Replace defective parts; reset
OR WILL NOT IDLE
(Cont). level
set too high.
float level.
Defective
carburetor.
Repair or
replace carburetor.
Vaporized
fuel in
system.
Refer
to Owner's
Manual
Manual primer leaking. Repair or replace primer.
Defective engine. Engine repair is required.
ENGINE POWER TOO
LOW Improper propeller
governoror
static RPM check.
( CONSTANT
SPEED
)
adjustments.
for
details
Refer
to paragraph
11-10
for
( FIXED
PITCH
)
Refer
to paragraph
11-10.
applicable
details.
applicable
details.
Restriction
in aircraft fuel
Refer
to Section 12.
ENGINE
RUNS
ROUGHLY,
WILL
system.
NOT
ACCELERATE
PROPERLY,
OR
LACKS
POWER.
Badly
adjusted
accelerating
Change
pump
adjustment.
pump
or float
level
set too
Reset
float
level.
low.
Defective
carburetor.
Repair
or replace
carburetor.
Worn
or improperly
rigged
Rig
properly.
Replace
worn
throttle
or
mixture
control.
linkage.
Spark
plugs
fouled
or improperly
Clean
and
regap.
Replace
if
gapped.
defective.
Defective
ignition
system.
Refer
to
paragraph
11-61.
Defective
engine.
Engine
repair
is
required.
POOR IDLE CUT-OFF.
Worn
or improperly
rigged
Rig properly.
Replace worn
mixture control. linkage.
Defective
carburetor.
Repair or
replace carburetor.
Fuel leakage
through primer.
Repair
or replace primer.
Fuel
contamination.
Drain
all
fuel
and flush
out
fuel
system.
Clean
all screens,
fuel
lines,
strainer
and
carburetor.
11-10.
STATIC
RUN-UP
PROCEDURES.
In a
case
c.
Average
the
results
of the RPM
obtained.
It
of
suspected
low engine
power,
a
static
RPM run-up
should
be within
50
RPM of
2565 RPM
(230
HP) &
should
be conducted
as follows:
2800
RPM (300
HP).
a. Run-up
engine,
using take-off
power
and mix-
d. If the
average results
of the
RPM obtained
are
ture
settings,
with the
aircraft facing
90
right and
lower
than stated
above,
the following
recommended
then
left to the
wind direction.
checks
may be
performed
to determine
a possible
b.
Record
the RPM
obtained
in each
run-up
posi-
deficiency.
tion.
1. Check
governor
control
for
proper
rigging.
NOTE
It should be determined
that the governor
control
arm
travels
to the
high RPM
stop
on the
governor
Daily changes in atmospheric
pressure, tem- and
that the high RPM stop screw
is adjusted proper-
perature
and humidity
will
have a slight
effect
ly. (Refer
to Section
13
for procedures).
on static
run-up.
11-6

Cessna 188 Series Specifications

General

Manufacturer	Cessna
Role	Agricultural aircraft
Engine	Continental IO-520-D
Power	300 hp
Crew	1
First flight	February 1965
Max takeoff weight	3, 800 lb
Rate of climb	800 ft/min