Cessna 182 1978 - Page 280

MODEL
182
& T182
SERIES
SERVICE
MANUAL
11A-15.
TROUBLE
SHOOTING
(Cont).
ENGINE
LACKS
POWER.
Carburetor
heat
on.
Check
control
REDUCTION
IN
MAXIMUM
MANIFOLD
PRESSURE.
Improperly
adjusted
waste
gate.
Refer
to
paragraph
11A-67.
Loose
or damaged
exhaust
Inspect
entire exhaust
system.
system.
Refer
to paragraph
11A-72.
Malfunctioning
turbocharger.
Check
for
unusual
noise
in
turbo-
charger.
If
malfunction
is
sus-
pected, remove
exhaust
and/or
air inlet
connections
and
check
turbine
and compressor
wheels
for damaged
blades.
Check
shaft
bearing.
Replace
turbo-
charger
if damage
is noted.
Leak
in induction
system.
Check
visually.
Correct
the
cause
of
leaks.
11A-16.
STATIC
RUN-UP
PROCEDURES.
If
low
pad. Run
up engine
to
determine
that
governor
engine
RPM
is
encountered,
or
suspected.
a
static
was
adjusted
properly.
run-up
should
be conducted
according
to the
follow-
ing
procedures.
4.
Check magneto
timing,
spark
plugs,
and
a. Run
engine.
using
takeoff
power
and
mixture
ignition
harness
for
settings
and
condition.
settings.
first
with
airplane
facing
90
°
right
to
pre-
5. Perform
an engine
compression
check.
vailing
wind.
and second
with
airplane
facing 90°
left
Refer
to engine
manufacturer's
service
manual
to prevailing
wind
direction.
for
procedures
and requirements.
b. Record the
maximum RPM obtained
in each
instance.
for analysis.
11A-17.
REMOVAL.
If
an engine
is
to be
placed
in
storage
or returned
to the manufacturer
for overhaul.
NOTE
proper
preparatory
steps
should
be taken
for
corro-
sion prevention
prior
to beginning
the
removal pro-
Daily
changes
in atmospheric
pressure.
tem-
cedure.
Refer
to Section
2 for
storage
preparation.
perature.
and
humidity
will
have
a slight
The following
engine
removal
procedure
is based
affect
on
static
run-up.
upon
the
engine
being
removed
from
the
aircraft
with
the engine
mount
attached to
the firewall.
c. Average
the results
of the
RPM readings.
The
average
should
be
within
50
RPM
of 2350
RPM.
NOTE
d.
If the average reading
is lower than minimum
limit,
the following
checks
may
be performed
to
Tag each
item
when
disconnected
to
aid in
determine
probable
discrepancy.
identifying
wires.
hoses,
lines
and control
1.
Check condition
of induction
air filter;
clean
linkages
when engine
is
reinstalled.
Like-
if
required.
wise.
shop
notes
made
during
removal
will
2.
Check carburetor
heat
control
for proper
often
clarify
reinstallation.
Protect
openings.
adjustment.
If
it is
partially
open.
it
would
cause
exposed
as a
result
or removing
or
discon-
RPM
drop (slight
power
loss).
necting
units. against
entry
of
foreign
mate-
3. Check
governor
control
for
proper
rigging.
rial
by
installing
covers
or
sealing
with
tape.
The control
arm should
be limited
by high
RPM stop
on
governor
and
the high
RPM
stop
screw
adjusted
so
a.
Attach
a tail
stand
of suitable
capacity.
the above
average
RPM
is
within
tolerance.
Refer
b.
Place
all
cabin
switches
in the
OFF
position.
to Section
13
for
adjustment
procedures.
c.
Place
fuel
selector
valve
in
the OFF
position.
d. Remove
engine cowling
in accordance with
NOTE
paragraph
11A-3.
If verification
of governor
operation
is
neces-
as
a safety
precaution.
sary.
the governor
may
be removed
from
the
f. Drain
fuel
strainer
and
lines
with strainer
drain
engine.
and
a flat
plate
installed
over
mount
control.
11A-9