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11. Reinstall backplate, outlet guide, muffler
gasket, and muffler using muffler bolts.
Tighten unt il secure.
12. Reinstall boltcover and locknut. Tighten
securely.
CARBURET OR ADJUSTMENT
WARNING: The chain will be mov-
ing during most of this procedure. Wear your
protective equipment and observe all safety
precautions. The chain must notmove atidle
speed.
The carburetor has been carefully set at t he
factory. Adjustments may be necessary if
you notice any of the following conditions:
S Chain moves at idle. See IDLE SPEED--T
adjusting procedure.
S Saw will not idle. See IDLE SPEED--T ad-
justing procedure.
Idle Speed--T
Allow engine to idle. If the chain moves, idle
is toofast. Iftheengine stalls, idleis too slow .
Adjust speed until engine runs without chain
movement (idle too fast) or stalling (idle too
slow). The idle speed screw is located in the
area above the primer bulb and is labeled T.
S Turn idle speed screw (T) clockwise to in-
crease engine speed.
S Turn idle speed screw (T) counterclock-
wise to decrease engine speed.
If you require further a ssistance or are unsure
about performing this procedure, contact your
authorized service dealer or call
1--800--554--6723.
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 m ay be ne cessary
to service your bar. A worn bar will damage
your chain and make cutt in g diffi cult.
After each use, ensure ON/STOP switch is in
the STOP position, then clean all sawdust from
the guide bar and sprocket hole.
To maintain guide bar:
S Move ON/STOP switch to the STOP posi-
tion.
S Loosen and remove chain brake nuts and
chain brake. Remove bar and chain from
saw.
S Clean the oil holes and bar groove after each
5 hours of operation.
Remove Sawdust From
Guide Bar Groove
Oil Holes
S Burring of g uide bar rails is a norm al process
of rail wear . Remove these burrs with a flat
file.
S When rail top is uneven, use a flat file to re-
store square edges and sides.
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 n ecessary, use only the guide bar
specified for your saw in the repair parts list or
on the d ecal 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 PL UG
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 dis-
card .
5. Replace with Champion RCJ--7Y spark
plug and tighten securely with a 3/4 inch
(19 mm) socket wrench. Spark plug gap
should be 0.025 inch (0.6 mm ).
6. Reinstall the 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 m otors or switches, furnaces, etc.
Store unitwithall guards inplace. 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 pa rticu-
lar attention to the air int ake area, keeping
it free of debris. Use a mild detergent and
sponge to clean the plastic surfaces.
S Do notstore theunit orfuel ina closedarea
where fuel vapors can reach sparks or an
openflamefrom hotwater heaters, electric
motors or switches, furnaces, etc.
S Store in a dry a rea out of the reach of chil-
dren.