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15
Replace guide bar when the groove is worn,
the guide bar is bent or cracked, or when ex-
cess heatingor burring ofthe rails occurs.If re-
placementis necessary,use onlytheguidebar
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 U NIT AND
DECALS
S After each use, inspect complete unit for
loose or damaged parts. Clean the unit and
decals u sing a damp cloth with a mild deter-
gent.
S Wipe off unit with a clean dry cloth.
CHECK CHAIN BRAK E
See CHAIN BRAKE in the OPERATION
section.
CLEAN AIR FILTER
CAUTION:
Donotcleanfilteringasolineor
other flammable solvent to avoid creating a
firehazardorproducingharmfulevaporative
emissions.
Cleaning the air filter:
Adirty airfilter decreases thelifeand perfor-
mance oftheengineandincreases fuelcon-
sumption and harmful emissions. Always
clean your air filter after 10 tanks of fuel or5
hours of operation, whichever comes first.
Cleanmorefrequently in dusty conditions.A
used air filter can never be completely
cleaned. Itis advisable toreplaceyour airfil-
terwithanewoneafterevery50hoursofop-
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. Cleantheairfilterusinghotsoapywater.
Rinsewithcleancoolwater.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: Themuffleronthisprod-
uctcontainschemicals knowntotheStateof
California to cause cancer.
As theunit is used, carbon d eposits buildup
on the muffler and spark a rresting screen,
andmustbe removedto avoidcreating afire
hazard or affecting engine performance.
Replacethespark arrestingscreenifbreaks
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. Loosenand removethe nutfromtheex-
haust outlet cover.
2. Remove the exhaust oulet cover.
3. Removesparkarrestingscreen.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 nutsecurely.