15
Correct GrooveWorn Groove
File Rail Edges
and Sides
Square
Replace guide bar when the groove is worn,
the guide bar is bent or crack ed, or when
excess heating or burring of the rails oc curs.
If replacement is necessary, use only the
guide bar specified for your saw in the repair
parts list or on the decal located on t he chain
saw.
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
The spark plug should be replaced each
year to ensure the engine starts easier and
runs better.
1. Loosen 3 screws on cy linder cover.
2. Remove the cylinder cover.
3. Pull off the spark plug boot.
4. Remove spark plug from cylinder and
discard.
5. Replace with Champion RCJ--7Yspark
plug and tighten securely witha 3/4 inch
socket wrench. Spark plug gap should
be 0.025 inches.
6. Reinstall the spark pl ug boot.
7. Reinstall the cylinder cover and 3
screws. Tightensecurely.
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 reac h
sparks or open flames from water heaters,
electric motors or switc hes, furnaces, etc.
Storeunit with all guards in place. Pos ition 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:It is important to prevent gum
deposits 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.