15
Correct GrooveWorn Groove
File Rail Edges
and Sides
Square
Replace guide bar when thegroove is worn,
the guide bar is bent or cracked, or when
excess heating or burring ofthe rails occurs.
If replacement is necessary, use only the
guide barspecified for your saw in the repair
parts list or on thedecal located on thechain
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.
1. Loosen 3 screws on cylinder 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--7Y spark
plug and tighten securely with a 3/4 inch
socket wrench. Spark plug gap should
be 0.025 inches.
6. Reinstall t he spark plug boot.
7. 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.
Storeunitwithall guardsinplace. Positionso
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 detergentand
sponge to clean the plastic surfaces.
S
Donotstore t heunit orfuel ina closed area
where fuel vapors can reach sparks or an
openflamefrom hotwaterheaters,electric
motors or switches, furnaces, etc.
S
Store in a dry area out of thereach of chil-
dren.
CAUTION
: It is important to prevent gum
deposits from form ing in es sent ial f uel system
parts such as the carburetor , fue l filter , fuel
hose, o r fue l tank during storage. Alcohol
blended fuels (called gasohol or using ethanol
or meth anol) can attract moisture which leads
to fuel mixture separation and formation of
acids during storage. Acidic gas can damage
the engine.
