SERVICING
INTERVALS CHECK
LIST
FIRST
25
HOURS
ENGINE OIL SUMP AND OIL
FILTER
-~
After
first
25
hours
of
operation,
drain
engine oil sump and clean the oil
pressure screen.
If
an optional oil
filter
is
installed,
change
filter
element
at this time.
Refill sump with
straight mineral
oil (non-detergent) and use until a
total
of
50
hours
has
accumulated or
oil
consumption
has stabilized;
then change to
detergent
oil.
EACH
50
HOURS
BATTERY
--
Check and
service.
Check more often (at
least
every
30
days) if operating
in
hot
weather.
-
ENGINE OIL SUMP AND OIL
FILTER
--
Change engine oil and
replace
filter
element.
If
optional oil
filter is
not
installed,
change oil and clean
the oil
pressure screen every
25
hours.
Change engine oil
at least every
four
months even though
less
than the recommended
hours
have
accumu-~
lated.
Reduce
periods for
prolonged operation in dusty
areas,
cold
cli-
mates,
or
when
short
flights and long
idle periods result
in sludging condi-
tions.
;
CARBURETOR
AIR
FILTER
--
Clean or
replace.
Under
extremely
dusty
conditions, daily maintenance
of
the
filter
is recommended.
NOSE GEAR TORQUE LINKS
--
Lubricate.
When
operating under dusty
conditions, more
frequent lubrication is
recommended.
EACH
100
HOURS
SPARK PLUGS
--
Clean,
test
and
regap.
FUEL
STRAINER
--
Disassemble
and clean.
FUEL
TANK SUMP DRAIN PLUGS
--
Remove and
drain.
FUEL SELECTOR
VALVE DRAIN PLUG
--
Remove and
drain.
5-10
Summary of Contents for 182 1973
Page 3: ......