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CHECKCHAINSHARPNESS
Asharpchainmakeswoodchips.Adull
chainmakesasawdustpowderand
cutsslowly.SeeCHAINSHARPENINGin
theSERVICEANDADJUSTMENTSsec-
tion.
CHECKGUIDEBAR
Conditions which require guide bar
maintenance:
• Saw cuts to one side or at an angle.
• Saw has to be forced through the
cut.
• Inadequate supply of oil to the bar
and chain.
Check the condition of the guide bar be-
fore each use and each time the chain
is sharpened. A worn guide bar will
damage the chain and make cutting diffi-
cult.
After each use, with unit disconnected
from power source, clean all sawdust
from the guide bar and sprocket hole.
To maintain guide bar:
• Disconnect the chain saw from the
power source.
• Loosen and remove bar clamp nuts
and bar clamp. Remove bar and
chain from saw.
• Clean the oil holes and bar groove
after each 5 hours of operation.
Remove Sawdust From
e Bar Groove
Sprocket Hole
• Burring of guide bar rails is a normal
process of rail wear. Remove these
burrs with a flat file.
• When rail top is uneven, use a flat
file to restore square edges and
sides.
_[_ File Rail Edges_ [7 [7
and Sides I U I
Square ] ]
Worn Groove Correct Groove
Replace guide bar when the groove is
worn, the guide bar is bent or cracked,
or when excess heating or burring of
the rails occurs. If replacement is nec-
essary, contact your Sears Service
Center.
LUBRICATION
BarOil
FillCap
• Check bar and chain oil before use
and every 15 minutes while operat-
ing the saw. See GUIDE BAR AND
CHAIN OIL under the OPERATION
section.
INSPECT AND CLEAN UNIT AND
LABELS
• After each use, inspect complete unit
for loose or damaged parts. Clean
the unit and labels using a damp
cloth with a mild detergent.
• Wipe off the unit and labels with a
clean dry cloth.
CHAIN SHARPENING
Chain sharpening requires special
tools. You can purchase sharpening
tools at Sears or go to a professional
chain sharpener.
_i WARNING: Avoid accidental
starting. Always unplug saw from pow-
er source before installing a bar and/or
chain.
CHAIN REPLACEMENT
_i WARNING: Wear protective
gloves when handling chain. The
chain is sharp and can cut you even
when it is not moving.
It is normal for a new chain to stretch
during the first 15 minutes of operation.
You should recheck your chain tension
frequently and adjust the chain tension
as required. See CHECK CHAIN TEN-
SION section.
Replace the old chain when it be-
comes worn or damaged. Use only
the Low Kickback replacement chain
specified in the list of available re-
placement parts. The chain must com-
ply with kickback performance require-
ments of ANSI B175.1 when tested
with this saw.
See your Sears Service Center to re-
place and sharpen individual cutters
on your chain.
14
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