13
CARBURETOR ADJUSTMENTS
Your carburetor is equipped with limiter
caps. Carburet or adjustment is a compli-
cated task. We recommend that you take
your unit to an Authorized Service Dealer.
Damagewi ll occur if you turn the needles be-
yond the limiter stops.
BAR MAINTENANCE
If your saw cuts to one side, has to be forced
through the cut, or been run with an improper
amount of bar lubrication it may be neces-
saryto service your bar. Awornbar will dam-
age your chain and make cutting difficult.
Replace your bar if bent or the inside rails of
the bar are worn.
SClean the oil holes after each 5 hours of
operation
SRemoves awdust from bar groove periodi-
cally with a wire or putty knife.
Remove Sawdust From
Guide Bar Groove
Sprocket Hole
Oil Holes
CHAIN SHARPENING
Chain sharpening isa complicated task that
requires special tools . We recommended
you refer chain sharpening to a professional
chain sharpener.
IGNITION TIMING
Ignition timing is fixed andnonadjustable.
SPARKPLUG
Replacet he spark plug yearly using a Cham-
pion RCJ7Y. The spark plug gap is ”0.25.
Use spark plug
STORAGE
WARNING: Stop engine and allow
to cool, and secure the unit before storing or
transporting in a vehicle. Store unit and fuel
in an area where fuel vapors cannot reac h
sparks or open flames from water heaters,
electric motors or switc hes, furnaces, etc.
Storeunit with all guards in place. Posit ion so
that any sharp object cannot accidentally
cause injury to passersby. Store the unit out
of reach of children.
SBefore storing, drain all fuel from theunit.
Start engine and allow to run until itstops.
SClean the unit before storing. Pay particu-
larat tention to the air i ntake area, keeping
it free of debris. Use a mild detergent and
sponge to clean the plastic surfac es.
SDonot store the unit or fuel in a closed area
where fuel vapors can reach sparks or an
openflame from hot wat er heaters, electric
motors or switches, furnaces, etc.
SStore in a dry area out of the reach of chil-
dren.
CAUTION:Itis important to prevent gum de-
posits from forming in essential fuel system
parts such as the carburetor, fuel filter, fuel
hose, or fuel tank during storage. Alcohol
blended fuels (called gasohol orusi ngethanol
or methanol) can attract moisture which leads
to fuel mixture separation and formation of
acids during storage. Acidic gas can damage
the engine.
TROUBLE CAUSE REMEDY
Engine will not
start or will run
only a few
seconds after
starting.
SIgnition switch off.
SEngine flooded.
SFuel tank empty.
SSpark plug not firing.
SFuel not reaching
carburetor..
SMove ignition switch to ON.
SSee “Difficult Starting” in
Operation Section.
SFill tank with correct fuel mixture.
SInstall new spark plug.
SCheck for dirty fuel filter; replace.
Check for kinked or split fuel line;
repair or replace.
Engine will
not idle
properly.
SCarburetor requires
adjustment.
SCrankshaft seals worn.
SContact an Authorized Service Dealer.
SContact an Authorized Service Dealer.
SAir filter dirty.
SSpark plug fouled.
SCarburetor requires
adjustment.
Engine will not
accelerate,
lacks power,
or dies under
a load.
SClean or replace air filter.
SClean or replace plug
and regap.
SContact an Authorized Service Dealer.
.
Engine
smokes
excessively.
SToomuchoilmixedwith
gasoline..
SEmpty fuel tank and refill with
correct fuel mixture..
WARNING: Always stop unit and disconnect spark plug beforeperforming allof
therecom mended remedies below except remedies that require operation ofthe unit.