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Outlet Cover
Exhaust Outlets
Exhaust Outlets must face
chain brake (bar side) of chain saw
9. Inspect the mufflergasket andreplace if
damaged.
10. Reinstall backplates, mufflergasketand
mufflerusing muffler bolts. TIghten until
secure.
11. Reinstall bolt cover and locknut.
12. Reinstall the spark plug boot.
13. Reinstall the cylinder cover and 3
screws. T ighten securely.
CARBURETOR AD J UST MEN T S
WARNING: The chain willbe mov-
ingduring mostof thisprocedure. Wearyour
protective equipmentand observe all safety
precautions.Thechainmustnotmoveatidle
speed.
The carburetor has beencarefully set at the
factory . Adjustments may be necessary if
you notice any of the following conditions:
S Chain moves at idle.SeeIDLE SPEED--T
adjusting procedure.
S Saw willnotidle.SeeIDLESPEED--T ad-
justing procedure.
Idle Speed--T
Allow engine toidle. I f thechain moves, idle
istoofast. Iftheenginestalls,idleistooslow.
Adjustspeeduntil engineruns withoutchain
movement (idle too fast) or stalling (idle too
slow).
S Turnidle 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 assistance or are unsure
about performing this procedure, contact your
authorized service dealer or call
1--800--554--6723.
BAR MAINTENANCE
Ifyoursaw cutstooneside,hasto beforced
throughthecut,orbeenrunwithanimproper
amount of bar lubrication it may be neces-
sarytoserviceyourbar. Awornbarwilldam-
age your chain and make cutting difficult.
After each use, ensure ON/STOP switch is
inthe S TOP position, thenclean allsawdust
from the guide bar and sprocket hole.
To maintain guide bar:
S Move ON/STOPswitchto t heSTOP posi-
tion.
S Loosen andremove chain b rake nuts and
chain brake. Remove bar and chain from
saw.
S Clean t heoil holesand bargroove af tereach
5 hours of operation.
Remove Sawdust From
Guide Bar Groove
Oil Holes
S Burring of guide bar rails is a normal
process of rail wear. Remove these burrs
with a flat file.
S Whenrailtopisuneven,useaflatfiletore-
store square edges and sides.
Correct GrooveWorn Groove
File Rail Edges
and Sides
Square
Replaceguide barwhen thegroove is worn,
the guide bar is bent or cracked, or when
excess heatingorburring ofthe r ailsoccurs.
If r eplacementis necessary ,useonly theguide
barspecifiedforyoursaw i ntherepairpartslist
or on the decal located on the chain saw .
CHAIN SHAR PENING
Chain sharpening is acomplicated task that
requires special tools. We recommended
you referchain sharpeningto aprofessional
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 of f the spark plug boot.
4. Remove spark plug from cylinder and
discard.
5. Replace with Champion RCJ--7Y spark
plug and tighten with a 3/4 inch socket
wrench. Tighten securely. Spark plug
gap should be 0.025 inches.
6. Reinstall the spark plug boot.
7. Reinstallthecylindercoverand3screws
Tighten securely.
Spark Plug Boot
STORAGE
WARNING: Stop engine andallow
to cool,and securethe unitbefore 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.