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13
BAR MAINTENANCE
If your saw cuts to one side, hasto beforced
through the cut, orbeen runwith animproper
amount of bar lubrication it may be neces-
sarytoserviceyourbar. A wornbar willdam-
age your chain and make cutting difficult.
Replace your bar if bent or the inside rails of
the bar are worn.
S
Clean the oil holes after each 5 hours of
operation
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Remove sawdust frombar groove periodi-
cally with a wire or putty knife.
Remove Sawdust From
Guide Bar Groove
Sprocket Hole
Oil H oles
CHAIN SHARPENING
Chain sharpening is a complicated task that
requires special tools. We recommended
you refer chain sharpening to a professional
chain sharpener.
IGNITION TIMING
Ignition timing is fixed and nonadjustable.
SPARK PLUG
Replace thesparkplug yearlyusing aCham-
pion RCJ7Y. The spark plug gap is ”0.25.
Use spark plug
STORAGE
WARNING:
Stop engine and allowto
cool, and secure the unit before storing or
transporting in a vehicle. Store unit and fuel
in an area where fuel vapors cannot reach
sparks or open flames from water heaters,
electric motors or switches, furnaces, etc.
Store unitwithall guards inplace. Position so
that any sharp object cannot accidentally
cause injury to passersby. Store t he unit out
of reach of children.
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Before storing, drain all fuel from the
unit. Start engine and allow torun until it
stops.
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Clean the unit before storing. Pay part icu-
lar attention to the air intake area, keeping
it free of debris. Use a mild detergent and
sponge to clean the plastic surfaces.
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Donot store theunit orfuel inaclosed area
where fuel vapors can reach sparks or an
openflame fromhot waterheaters, electric
motors or switches, furnaces, etc.
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Store in a dry area out of the reach o f chil-
dren.
CAUTION
:
Itisimportant topreventgumde-
posits from forming in essential fuel system
parts such as the carbur etor, fuel filter, fuel
hose, or fuel tank dur ing storage. Alcohol
blended fuels (called gasohol or using ethanol
or methanol) can at tract moisture which leads
to fuel mixture separation and formation of
acids during stor age. Acidic gas can damage
the engine.
TROUBLE CAUSE REMEDY
Engine will not
start or will run
only a few
seconds after
starting.
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Ignition switch off.
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Engine flooded.
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Fuel tank empty.
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Spark plug not firing.
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Fuel not reaching
carburetor..
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Move ignition switch to ON.
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See “Difficult Starting” in
Operation Section.
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Fill tank with correct fuel mixture.
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Install new spark plug.
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Check for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
Engine will
not idle
properly.
S
Carburetor requires
adjustment.
S
Crankshaft seals worn.
S
Contact a n Authorized Service Dealer.
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Contact a n Authorized Service Dealer.
S
Air filter dirty.
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Spark plug fouled.
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Carburetor requires
adjustment.
Engine will not
accelerate,
lacks power,
or dies under
a load.
S
Clean or replace air filter.
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Clean or replace plug
and regap.
S
Contact a n Authorized Service Dealer.
.
Engine
smokes
excessively.
S
Toomuchoilmixedwith
gasoline..
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Empty fuel tank and refill with
correct fuel mixture..
WARNING:
Always stop unit and disconnect spark plug before performing all of
the recommended rem edies below except remedies that require operation of the unit.
TROUBLESHOOTING TABLE