15
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 occ urs. If re-
placementis necess ary, use only the guide bar
specified for your saw in the repair parts lis tor
on the decal located on the chain saw.
CHECK FUEL MIXTURE LEVEL
SSee FUELING ENGINE under the OP-
ERATION section.
LUBRICATION
BarOil
Fill Cap
SSee GUIDE BAR AND CHAIN OIL under
the OPERATION section.
INSPECT AND CLEAN UNIT AND
DECALS
SAfter each use, inspect complete unit for
loose or damaged parts. Clean the unit and
decals using a damp cloth with a mild deter -
gent.
SWipeoff unit w ith a clean dry cloth.
CHECK CHAIN BRAKE
See CHAIN BRAKE in the OPERATION
section.
CLEAN AIR FILTER
CAUTION: Donot clean filter in gasoline or
other flammable solvent to avoid creating a
firehazard or produc ing harmful evaporative
emissions.
Cleaning the air filter:
Adirty air filter decreas es the life and perfor-
manceof the engine and increas es fuel con-
sumption and harmful emissions. Always
cleany our air filter after 10 tanks of fuel or 5
hours of operation, whichever comes first.
Cleanmore frequently in dusty c onditions. A
used air filter can never be completely
cleaned.It is advisable to replac ey our air fil-
terwith a new one after ev ery 50 hours of op-
eration, or annually,w hichever comes first.
1. Loosen 3 screws on cy linder cover.
2. Remove cylinder cover.
3. Remove air filter cover and air filter.
4. Clean the air filter using hot soapy water.
Rinsewith clean cool w ater.Air dry com-
pletely before reinstalling.
5. Reinstall air filter and air filter cover.
6. Reinstall cylinder cover and 3 screws.
Tightens ecurely.
Air Filter
Air Filter
Cover
Cylinder
Cover
INSPECT MUFFLER AND SPARK
ARRESTING SCREEN
WARNING: The muffler on this prod-
uctcontains c hemicals known to the State of
California to cause cancer.
Asthe unit is used, carbon depos its build up
on the muffler and spark arresting screen,
andmust be removed to avoid cr eating afire
hazard or affecting engine performance.
Replacethe spark arresting s creen if breaks
occur.
Nut
Exhaust
Outlet
Cover
Muffler
Spark
Arresting
Screen
CLEANING THE SPARK ARREST-
ING SCREEN
Cleaning is required every 25 hours ofop-
eration or annually,w hichever comes first.
1. Loosen and remove the nut from the ex-
haust outlet cover.
2. Remove the exhaust oulet cover.
3. Remove spark arresting sc reen. Handle
screen carefully to prevent damage.
4. Clean the spark arresting s creen gently
with a wire brush. Replace screen if
breaks are found.
5. Replace any broken or crack edmuffler
parts.
6. Reinstall spark arresting screen, exhaus t
outletc over, and nut. Tighten nut securely.