13
Adjusting Screw
5. Check the tension by lifting the chain
fr om the guide bar. Remove some of
the stiffness in the chain by pulling
down and lettin g go of the chain sever-
al ti mes.
6. Conti nue turni ng the adjusti ng screw
until the tension is correct (see step 4).
7. T i ght en bar clamp nuts with a wrench.
8. Recheck chain tension.
WARNING: If the saw is operated
with a loose chain, the chain could jump
off the guide bar and result in serious in-
jury.
CHECK CHAIN SHARPNESS
A sharp c hain makes wood chips. A dull
chain makes a sawdust powder and cuts
slow ly. See
CHAIN SHARPE NIN G in the
SERVICE AND ADJUSTMENTS section.
CHECK GUIDE BAR
Condit ions which requir e guide bar main-
tenance:
S Saw cuts to one side or at an angle.
S Saw has to be forc ed thr ou gh the cut.
S Inadequate supply of oil to the bar and
chain.
Check the condition of the guide bar each
tim e the chain is sharpened. A worn guide
bar will damage the chain and make cut-
ting dif f i cult .
Aft er each use, wit h unit disconnected
from power source, clean all sawdust fr om
the guide bar and sprocket hole.
To maintain guide bar:
S Disconnect the chain saw from the pow-
er source.
S Loosen and remove bar clamp nuts.
Remove bar and chain from saw.
S Clean the oil holes and bar groove aft er
each 5 hours of operation.
Remove Sawdust From
Guide Bar Groove
Oil Holes
S Burri ng of guide bar rai ls is a normal
process of rai l wear. Remove t hese
burrs with a flat file.
S When rail top is uneven, use a fl at fil e to
restor e square edges and sides.
Correct GrooveWorn Groove
File Rail Edges
and Sides
Square
Replace the guide bar when the groove is
worn, the guide bar is bent or crack--ed, or
when excess heati ng or burri ng of the rails
occur s. If replacement is necessar y, use
only the guide bar specifi ed for your saw in
the r epair parts list or on the decal locate d
on the chain saw.
LUBRICATION
Bar Oil Fill Cap
S Check bar and chain oil before use and
every 15 minutes while operating the
saw. See
GUIDE BAR AND CHAIN OIL un-
der the
OPERA TION section.
INSPECT AND CLEAN UNIT AND
LABELS
S After each use, inspect complete unit for
loose or damaged parts. Clean the unit
and labels using a damp clot h wit h a
mi ld dete rgent .
S Wipe off the unit and labels with a clean
dry cloth.
SERVICE AND ADJUSTMENTS
CHAIN SHARPENING
Chai n shar pen ing requi res special tools.
You can purchase sharpening tool s at an
authori zed service dealer or go to a pro-
fessional chain sharpener.
WARNING: Avoid accidental start-
ing. Always unplug saw from power
source before installing a bar and/or
chain.
CHAIN REPLACEMENT
WARNING: Wear protective
gloves when handling chain. The chain
issharpandcancutyouevenwhenitis
not moving.
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