15
Correct GrooveWorn Groove
File Rail Edges
and Sides
Square
Replace guide bar when the groove is worn,
the guide bar is bent or cracked, or when exce-
ss heating or burring of the rails occurs. If re-
placement is necessary, use only the guide bar
specified for your saw in the repair parts list or
on the decal located on the chain saw.
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
The spark plug should be replaced each
year to ensure the engine starts easier and
runs better.
S
Loosen 3 screws on cylinder cover.
S
Remove the cylinder cover.
S
Pull off the spark plug boot.
S
Remove spark plug from cylinder and dis-
card.
S
Replace with Champion RCJ--7Y spark
plug and tighten securely with a 3/4 inch
socket wrench. Spark plug gap should be
0.025 inches.
S
Reinstall the spark plug boot.
S
Reinstall the cylinder cover and 3 screws.
Tighten securely.
Screws
Spark
Plug Boot
Spark
Plug
Cylinder
Cover
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 reach
sparks or open flames from water heaters,
electric motors or switches, furnaces, etc.
Store unit with all guards in place. Position so
that any sharp object cannot accidentally
cause injury to passersby. Store the unit out
of reach of children.
S
Before storing, drain all fuel from the unit.
Start engine and allow to run until it stops.
S
Clean the unit before storing. Pay particu-
lar attention to the air intake area, keeping
it free of debris. Use a mild detergent and
sponge to clean the plastic surfaces.
S
Do not store the unit or fuel in a closed area
where fuel vapors can reach sparks or an
open flame from hot water heaters, electric
motors or switches, furnaces, etc.
S
Store in a dry area out of the reach of chil-
dren.
CAUTION:
It is important to prevent gum
deposits from forming in essential fuel system
parts such as the carbur etor, fuel filter, fuel
hose, or fuel tank during storage. Alcohol
blended fuels (called gasohol or using ethanol
or methanol) can attract moisture which leads
to fuel mixture separation and formation of
acids during storage. Acidic gas can damage
the engine.
NEED ASSISTANCE?
NEED ASSISTANCE?
Call 1--800--554--6723.
NEED SERVICE PART?
Contact your authorized service dealer.
TROUBLE CAUSE REMEDY
Engine will not
start or will run
only a few
seconds after
starting.
S
Ignition switch off.
S
Engine flooded.
S
Fuel tank empty.
S
Spark plug not firing.
S
Fuel not reaching
carburetor.
S
Move ignition switch to ON.
S
See “Difficult Starting” in
Operation Section.
S
Fill tank with correct fuel mixture.
S
Install new spark plug.
S
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 an authorized service dealer.
S
Contact an authorized service dealer.
S
Air filter dirty.
S
Spark plug fouled.
S
Carburetor requires
adjustment.
Engine will not
accelerate,
lacks power,
or dies under
a load.
S
Clean or replace air filter.
S
Clean or replace plug
and regap.
S
Contact an authorized service dealer.
.
Engine smokes
excessively .
S
Toomuchoilmixedwith
gasoline.
S
Empty fuel tank and refill with
correct fuel mixture.
WARNING:
Always stop unit and disconnect spark plug before performing all of
the recommended remedies below except remedies that require operation of the unit.
TROUBLESHOOTING TABLE
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