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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 g uide bar
specified for your saw in the repair parts list or
on the decal located on the chain saw.
CHECK FUEL MIXTURE LEVEL
S See FUELING ENGINE under the OP-
ERA TION section.
LUBRICATION
Bar Oil
Fill Cap
S See GUIDE BAR AND CHAIN OIL under
the OPERATION section.
INSPECT AND CLEAN UNIT AND
DECALS
S 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.
S Wipe off unit with a clean dry cloth.
CHECK CHAIN BRAKE
See CHAIN BRAKE in the OPERATION
section.
CLEAN AIR FILTER
CAUTION:
Donot c leanfilterin gasolineor
other flammable solvent to avoid creating a
fire hazardor producing harmfulevaporative
emissions.
Cleaning the air filter:
A dirty air filter decreases the life and per for-
mance of the engine andincreases 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 airfil-
ter witha newone afterevery 50hours ofop-
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 theair filter us inghotsoapy water.
Rinse with c leancool water.Airdrycom-
pletely before reinstalling.
5. Reinstall air filter and air filter cover.
6. Reinstall cylinder cover and 3 screws.
Tighten securely.
Air Filter
Air Filter
Cover
Cylinder
Cover
INSPECT MUFFLER AND SPARK
ARRESTING SCREEN
WARNING: The muffleron thisprod-
uct contains chemicals known tothe State of
California to cause cancer.
As the unit is used, carbon deposits build up
on the muffler and spark arresting screen,
and m ust be r em oved to a void c reating afire
hazard or affecting engine performance.
Replace thespark arresting screen if br eaks
occur.
Nut
Exhaust
Outlet
Cover
Muffler
Spark
Arresting
Screen
CLEANING THE SPARK ARREST-
ING SCREEN
Cleaning is required every 25 hours of op-
eration or annually, whichever comes first.
1. Loosen and r emove the nutfrom the ex-
haust outlet cover .
2. Remove the exhaust oulet cover.
3. Remove spark a rresting screen. Handle
screen carefully to prevent damag e.
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. T ighten nut securely.