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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 ofthe rails occurs. If re-
placement is necessary, use only the guidebar
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:
Do notclean filterin 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 perfor-
mance of the engineand increases fuelcon-
sumption and harmful emissions. Always
clean your air filter after 10 tanks of fuel or 5
hours of operation, whichever comes f irst.
Clean more frequently in dusty conditions.A
used air filter can never be completely
cleaned. It is advisable to replace your airfil-
ter witha newoneafterevery 50hours ofop-
eration, or annu ally, 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 filterusinghotsoapy water.
Rinsewith cleancool water.Airdrycom-
pletely before reinstalling.
5. Reinstall air filter and air filter cover.
6. Reinstall cylinder cover and 3 screws.
Tighten securely.
Air F ilter
Cover
Cylinder
Cover
Air Filter
INSPECT MUFFLER 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 removedto avoidcreating afire
hazard or a ffecting engine p erformance.
Replacethespark arresting screen if breaks
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 remove the nut from the e x-
haust outlet cover .
2. Remove the e xhaust oulet cover.
3. Removesparkarresting 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 m uffler
parts.
6. Reinstall spark arresting screen, exhaust
outlet cover , and nut. Tighten nut securely.
REPLACE SPARK PLUG
The spark plug should be replaced each
year to ensure the engine starts easier and
runs better . Ignition timing is fixed and non-
adjustable.