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15
Replace guide bar when the groove is worn,
the guide bar is bent or cracked, or when ex-
cess heating or burring of t he rails occurs. If re-
placement is necessary, u se only t he 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 OPER ATION
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 per for-
mance of the engine and inc reases 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 the airfilter usinghot soapywater .
Rinse w ithcleancool w ater.Air drycom-
pletely before reinstalling.
5. Reinstall air filter and air filter cover.
6. Reinstall cylinder cover and 3 screws.
Tighten securely.
Air Filter
Cover
Cylinder
Cover
Air Filter
INSPECT MUFF LER AND SPARK
ARRESTING SCREEN
As the unit is used, carbon deposits build up
on the muf fler and spark a rresting screen,
and m ust be r em oved to avoid creating afire
hazard or affecting engine performance.
Replace the spark 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 thenut 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 a rresting 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.
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.
1. Loosen 3 screws on cylinder cover.
2. Remove the cylinder cover.
3. Pull off the spark plug boot.
4. Remove spark plug from cylinder and
discard.