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turn adjusting screw 1/4 turn counter-
clockwise. Retighten bar clamp nuts.
° If chain is too loose, it will sag below
the guide bar. DO NOT operate the
saw ff the chain is loose.
CHECK CHAIN SHARPNESS
A sharp chain makes wood chips. A
dull chain makes a sawdust powder
and cuts slowly.
CHAIN SHARPENING
Chain sharpening requires special
tools. You can purchase sharpening
tools at Sears or go to a professional
chain sharpener.
CHECK GUIDE BAR
Conditions which require guide bar
maintenance:
• Saw outs to one side or at an angle.
,, Saw has to be forced through the cut.
inadequate supply of oil tothe bar
and chain.
Check the condition of the guide bar
each time the chain is sharpened. A
worn guide bar witl damage the chain
and make cutting difficult. To maintain
guide bar:
• Move On/Stop switch to "Stop."
• Remove bar and chain from saw.
• Clean all sawdust and any other
debris from the guide bar groove and
sprocket hole after each use.
Remove SawdustFrom Guide
BarGroo_.__
V _ Sprocket Hole
• Add lubricant to sprocket hole after
each use.
, Burring of guide bar rails isa normal
process of rail wear. Remove these
burrs with a fiat file.
° When rail top is uneven, use a flat file
to restore square edges and sides.
Correct Worn
Groove Groove File Edgesand sides
Square
Replace the guide bar when the groove
is worn, the guide bar is bent or
cracked, or when excess heating or
burring ofthe rails occurs. If replace-
ment is necessary, use only the guide
bar specified for your saw in the repair
parts list, also specified on the replace-
ment bar and chain decal located on
the chain saw.
CLEAN UNIT & LABELS
• Clean the unit using a damp cloth with
a mild detergent.
• Wipe off the unit with a clean dry
cloth.
CLEAN AIR FILTER
A dirty air filter decreases the life and
performance of the engine and in-
creases fuel consumption and harmful
emissions. Always clean your air filter
after 15 tanks offuel or5 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 one after every 50
hours ofoperation, or annually, which-
ever comes first. 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 oil air filter before installing.
Use 2-cycle engine oil or motor oil
(SAE 30). Squeeze excess oil from
filter.This will improve the efficiency of
the air filter.
• Reinstall air filter.
• Reinstall cylinder cover and 3 screws
(15-20 in-lbs.).
13
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