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II WARNING:Ifthesawisoperated
withaloosechain,thechaincould
jumpofftheguidebarandresultinse-
riousinjury.
CHECKCHAINSHARPNESS
Asharpchainmakeswoodchips.A
dullchainmakesasawdustpowder
andcutsslowly.SeeCHAINSHARP-
ENINGintheSERVICEANDADJUST-
MENTSsection.
CHECKGUIDEBAR
Conditionswhichrequireguidebar
maintenance:
• Sawcutstoonesideoratanangle.
• Sawhastobeforcedthroughthe
cut.
• Inadequatesupplyofoiltothebar
andchain.
Checktheconditionoftheguidebar
beforeeachuseandeachtimethe
chainissharpened.Awornguidebar
willdamagethechainandmakecut-
tingdifficult.
Aftereachuse,ensureON/STOP
switchisintheSTOPposition,then
cleanallsawdustfromtheguidebar
andsprockethole.
Tomaintainguidebar:
• MoveON/STOPswitchtoSTOP.
• Loosenandremovechainbrake
nutsandchainbrake.Removebar
andchainfromsaw.
• Cleantheoilholesandbargroove
aftereach5hoursofoperation.
RemoveSawdustFromM_
Guide Bar Groov_
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.
_"_ File Rail Edges_ r] 17
and Sides I U I
Square ] ]
Worn Groove Correct Groove
Replace the 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, also specified on
the replacement bar and chain decal
located on the chain saw.
CHECK FUEL MIXTURE LEVEL
• See FUELING ENGINE under the OP-
ERATION section.
LUBRICATION
Bar Oil
• See GUIDE BAR AND CHAIN OIL un-
der the OPERATION section.
INSPECT AND CLEAN UNIT &
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 unit with a clean dry cloth.
CHECK CHAIN BRAKE
• See CHAIN BRAKE is the OPERATION
section.
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 of fuel or 5 hours of op-
eration, whichever comes first. Clean
more frequently in dusty conditions. It
is advisable to replace your air filter
with a new one after every 50 hours of
operation, or annually, whichever
comes first. To clean filter:
1. Loosen 3 screws on cylinder cover.
2. Remove cylinder cover.
3. Remove air filter.
4. Clean the air filter using hot soapy
water. Rinse with clean cool water.
Air dry completely before reinstal-
ling.
5. Reinstall air filter.
6. Reinstall air filter cover and 3
screws. Tighten securely.
_ j Cylinder
_ ,_ _" Cover
15
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