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Lever on
Knob
/
/
:RAF
TIGHTEN
7. Push lever on knob down to return
lever to closed/locked position.
&WARNING: Failure to push lever
on knob down to closed/locked posi-
tion could result in serious personal
injury or damage to your chain saw.
8. Use the screwdriver end of the bar
tool to move chain around guide bar.
9. If chain does not rotate, it is too
tight. Loosen knob (counterclock-
wise); then, turn the adjusting
screw 1/4 turn counterclockwise.
Retighten knob.
10. If chain is too loose, it will sag be-
low the guide bar. DO NOT operate
the saw if the chain is loose.
NOTE: The chain is tensioned correctly
when the weight of the chain does not
cause it to sag below the guide bar
(with the chain saw sitting in an upright
position), but the chain still moves freely
around the guide bar.
_IkWARNING: If the saw is operated
with a loose chain, the chain could jump
off the guide bar and result in serious
injury to the operator and/or damage the
chain making it unusable. If the chain
jumps off the guide bar, inspect each
drive link for damage. Damaged chain
must be repaired or replaced.
CHECK CHAIN SHARPNESS
A sharp chain makes wood chips. A dull
chain makes a sawdust powder and
cuts slowly. See CHAIN SHARPENING.
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 bar/chain.
Check the condition of guide bar each
time chain is sharpened. A worn guide
bar will damage the chain and make
cutting difficult.
After each use, ensure ON/STOP
switch is in the STOP position, then
clean all sawdust from the guide bar
and sprocket hole.
To maintain guide bar:
• Move ON/STOP switch to STOR
• Lift lever on knob fully to opened/
locked position. Turn counterclock-
wise to loosen and remove clutch
cover.
• Remove bar and chain from saw.
• Clean the oil holes and bar groove
after each 5 hours of operation.
Remove Sawdust From __
Guide Bar G:ov_t_"
.... Oil Holes o
• 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.
_('7 _ File Rail Edges_ N N
I"1
and Sides I U I
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 necessary,
use only the guide bar specified for your
saw in the repair parts list or on the de-
cal located on the chain saw.
CHECK FUEL MIXTURE LEVEL
• See FUELING ENGINE under the OP-
ERATION section.
LUBRICATION
Bar Oil
Fill Cap
• See GUIDE BAR AND CHAIN OIL un-
der the OPERATION section.
INSPECT AND CLEAN UNIT AND
DECALS
• After each use, inspect complete unit
for loose or damaged parts. Clean the
unit and decals using a damp cloth
with a mild detergent.
• Wipe off unit with a clean dry cloth.
16
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