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Replace guide bar when the groove is worn,
the guide bar is bent or cracked, or when ex-
cess heating or burring of the rails occurs. If re-
placement
is necessary, use only the guide bar
specified for your saw in the repair parts list or
on the decal located on the chain saw.
CHECK
FUEL
MIXTURE
LEVEL
• See
FUELING
ENGINE
under
the OP-
ERATION
section.
LUBRICATION
Air Filter
Cover
Cylinder
Cover
Bar Oil
Fill
• See GUIDE
BAR AND CHAIN
OIL under
the OPERATION
section.
INSPECT
AND
CLEAN
UNIT
AND
DECALS
• After each use. inspect complete
unit for
loose or damaged parts. Clean the unit and
decals using a damp cloth with a mild deter-
gent.
• Wipe off unit with a clean dry cloth.
CHECK
CHAIN
BRAKE
See
CHAIN
BRAKE
in the OPERATION
section.
CLEAN
AIR
FILTER
CAUTION:
Do not clean filter in gasoline or
other flammable
solvent to avoid creating
a
fire hazard or producing
harmful evaporative
emissions.
Cleaning
the air filter:
A dirty air filter decreases
the life and perfor-
mance of the engine and increases
fuel con-
sumption
and harmful
emissions.
Always
clean your air filter after 10 tanks of fuel or 5
hours
of operation,
whichever
comes
first.
Clean more frequently
in dusty conditions.
A
used
air
filter
can
never
be
completely
cleaned.
It is advisable
to replace your air fil-
ter with a new one after every 50 hours of op-
eration, or annually, whichever
comes
first.
1.
Loosen 3 screws
on cylinder
cover.
2.
Remove
cylinder
cover.
3.
Remove
air filter cover and air filter.
4.
Clean the air filter using hot soapywater.
Rinse with clean cool water. Air dry com-
pletely before reinstalling.
5.
Reinstall air filter and air filter cover.
6.
Reinstall
cylinder
cover
and 3 screws.
Tighten
securely.
INSPECT
MUFFLER
AND
SPARK
ARRESTING
SCREEN
,_ WARNING:
The muffler on this prod-
uct contains
chemicals
known to the State of
California
to cause cancer.
As the unit is used, carbon deposits
build up
on the muffler
and spark
arresting
screen,
and must be removed to avoid creating afire
hazard
or affecting
engine performance.
Replace the spark arresting
screen if breaks
occur.
Spark
Arresting
Screen
Muffler
Exhaust
Outlet
Cover
Nut
CLEANING
THE
SPARK
ARREST-
ING
SCREEN
Cleaning
is required every
25 hours of op-
eration or annually, whichever
comes
first.
1.
Loosen and remove the nut from the ex-
haust outlet cover.
2.
Remove the exhaust oulet cover.
3.
Remove spark arresting
screen.
Handle
screen carefully
to prevent damage.
4.
Clean the spark arresting
screen gently
with
a wire brush.
Replace
screen
if
breaks are found.
5.
Replace any broken or cracked
muffler
parts.
6.
Reinstall spark arresting screen, exhaust
outlet cover, and nut. Tighten nut securely.
15
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