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15
S Clean the oil holes and bar groove after
each 5 hours of operation.
Remove Sawdust From
Guide Bar Groove
Oil Holes
S Burring of guide bar rails i s a norm al
process of rail wear. Rem ove these burrs
with a flat file.
S When rail t opis uneven, use aflat fileto re-
store square edges and sides.
Correct GrooveWorn Groove
File Rail Edges
and Sides
Square
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 i n 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 B AR A ND CHAIN OIL under
the OPERA TION section.
INSPECT AND CLEAN UNIT AND
DECALS
S After each use, inspect c omplete unit for
loose or damaged parts. Clean the unit and
decals using a damp cloth with a mild deter-
gent.
S Wipe of f unit with a clean dry cloth.
CHECK CHAIN BRAKE
See CHAIN BRAKE in the OPERATION
section.
CLEAN AIR FILTER
CAUTION:
Do notcleanfilterin gasolineor
other flammable solvent to avoid creating a
fire hazard o r producing harmful evaporative
emissions.
Cleaning the air filter:
A dirty air filter decreases the life and perfor-
mance of the engine and inc reases fuel con-
sumption and harmful emissions. Always
clean your air filter after 1 0 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 replaceyour air fil-
ter with anew one after every 50 hour s 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 the airfilter usinghot soapy water .
Rinse with cleancool w ater.Air dry com-
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 MUFF LER AND SPARK
ARRESTING SCREEN
WARNING: The muffler on this
product 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 a void creating a fire
hazard or affecting engine performance.
Replace the spark arresting screen if breaks
occur.
Nut
Muffler
Spark
Arresting
Scree n
Exhaust
Outlet
Cover
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. H andle
screen carefully to pr event damage.
4. Clean the spark arresting screen gently
with a wire brush. Replace s creen if
breaks a re found.
5. Replace any broken or cracked muffler
parts.