Operator`s manual
• Add lubricant to sprocket hote after
each use.
• Burring of guide bar mils isa normal
process of railwear. Remove these
burrs with,a flat file.
• When rail top is uneven, use a flat file
to restore square edges and sides.
FileEdgesand
sidesSquare
WornGroove CorrectGroove
Replace guide bar when the groove is
worn, the guide bar is bent or cracked,
or when excess heating or burring of
the mils occurs. If replacement is nec-
essary, use only the guide bar specified
for your saw in the repair parts list or on
the decal located on the chain saw.
CLEAN UNIT & LABELS
, Clean the unit using a damp cloth with
a mild detergent.
• Wipe off unit with a clean dry cloth.
CLEAN AIR FILTER
A d_rtyair filter decreases the lifeand
performance of the engine and in*
creases fuel consumption and harmful
emissions. Always clean your air filter
after 15 tanks of fuel or 5 hours of op-
eration, whichever comes first. Clean
more frequently in dusty conditions, A
used air filter can never be completely
cleaned. It is advisable to replace your
air filter with a new oneafter every 50
hours of operation, or annually, which-
ever comes firsL To clean filter:.
• Loosen 3 screws on cylinder cover.
° Remove cylinder cover.
• Remove air filter.
• Clean the air filter using hot soapy
water. Rinse with clean cool water.
Air dry completely before reinstalling,
• Lightly oiJair filter before installing to
improve the efficiency of air filter. Use
2-cycle engine oil or motor oil (SAE
30). Squeeze excess oil from filter.
• Reinstall air filtero
• Reinstall cylinder cover and 3 screws
( 15-20 in-lbs,}.
CylinderCover
AirF3iter Screws
Cylinder
Cover
INSPECT MUFFLER AND SPARK
ARRESTOR SCREEN
Astheunitisused,carbondeposits
buildup onthe mufflerandspark
arrestorscreen,and must be removed
toavoidcreatinga fire hazardoraffect-
it_gengineperformance.
Replacethe sparkarrestor screenif
breaksoccur.
MufflerDiffuser
Spark
Arrestor
Muffler
Body
MufflerCover
Muffler
Cover
Screws
/
CLEANING THE SPARK
ARRESTOR SCREEN
Cleaning is required eve_j 25 hours of
operation or annuaFly,whiohever_comes I_l
first. - ,. : • .! _: ,:: :
I
• Loosen and removethe 2 muffler cov-
er screws.
• Remove the muffler cover (cover
snaps off muffler body).
• Remove muffler diffuser and spark
arrestor screen assembly. Notice the
orientation of these parts for reassem-
bling.
• Clean the spark arrestor screen with a
wire brush. Replace screen if breaks
are found.
• Replace any broken or cracked muf-
fler parts.
• Reinstall diffuser and spark arrestor
screen assembly with round holes
facing up.
• Reinstall muffler cover and 2 screws
(7-8 ft-Jbs).
REPLACE SPARK PLUG
The spark plug should be replaced
each year to ensure the engine starts
easier and runs better. Ignitiontiming is
fixed and nonadjustable.
• Loosen 3 screws on:cylinder cover.
• Remove the cylhlde_-cover.
Pull off the spark plug boot..
Remove spark plugfrorn _linder and
discard.
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