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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 is a norm al
process of rail wear. Remove these burrs
with a flat file.
S Whenrailtopisuneven, useaflatfiletore-
store square edges and sides.
Correct GrooveWorn Groove
File Rail Edges
and Sides
Square
Replace guide bar when the groove is worn,
the g uide bar is bent or cracked, or when ex-
cess heatingor burring o ftherailsoccurs. Ifre-
placementis necessary, u se onlythe g uidebar
specified for your saw i n the repair parts list or
on th e 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 G UIDE BAR AND C HAIN OIL under
the OPERATION section.
INSPECT AND CLEAN UNIT AND
DECALS
S After each use, inspect complete unit for
loose o r damaged parts. Clean the unit and
decals using a damp cloth with a m ild deter-
gent.
S Wipe off unit with a clean dry cloth.
CHECK CHAIN BRAKE
See CHAIN BRAKE in the OPERATION
section.
CLEAN AIR F ILTER
CAUTION:
Donotcleanfilteringasolineor
other flammable s olvent to avoid creating a
firehazardorproducing harmfulevaporative
emissions.
Cleaning the air filter:
A dirtyair filterdecreases thelifeandperfor-
mance ofthe engineand increases fuelcon-
sumption and harmful emissions. Always
clean your air filter after 10 tanks of fuelor 5
hours of operation, whichever comes first.
Clean morefrequently industy conditions.A
used air filter can never be completely
cleaned. Itis advisable toreplaceyour airfil-
terwithanew oneafter every50hours ofop-
eration, or annually , whichever comes f irst.
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: The muffler on this
product contains chemicals known to the
State of California to cause cancer.
As theunit is used, carbon deposits build up
on the muffler and spark arresting screen,
andmustbe removedtoavoidcreating afire
hazard or affecting engine performance.
Replacethespark arrestingscreenifbreaks
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. Loosenand removethe nutfrom t heex-
haust outlet cover.
2. Remove the exhaust oulet cover .
3. Removespark arrestingscreen.Handle
screen carefully to prevent damage.
4. Clean t hespark arresting screen gently
with a wire brush. Replace screen if
breaks are found.
5. Replace any broken or cracked muffler
parts.