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6. Liftuptopofguide bartocheck f or
sag.Release tipofguide bar, t hen
turnadusting screw clockwise until
sagdoes notexst.
7. While lifting tipofguide bar, t ighten
barclamp nuts witha wrench.
8. Use screwdriver tomove chain
around g uide bar.
9. Ifchain does notrotate, itistoo
tight.Slightly l oosen b arclamp
nuts and loosen c hain byturning
theadjusting screw counterclock-
wise.Retighten barclamp nuts.
10. I fchain istooloose, itwill s agbe-
lowtheguide bar.DO NOT operate
thesawifthechain isloose.
• _I_WARNING:
Ifthesawisoperated
witha loose chain, thechain could
jump offtheguide barandresult i nse-
rious injury.
CHECK C HAIN
SHARPNESS
A sharp chain makes wood chips. A dull
chain makes a sawdust powder and
cuts slowly. See CHAIN SHARPENING in
the SERVICE AND ADJUSTMENTS sec-
tion.
CHECK GUIDE BAR
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
Guide Bar Groove
_
Sprocket Hole
a-_'--- Oil Holes
o
• Add lubricant to sprocket hole after
each use.
• 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 Edge_r]
N
and Sides
I U
Square
I
I
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
Bar Oil
Bar
--illCap
Sprocket
Hole
• 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.
• Lubricate bar sprocket hole after
each use.
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.
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