13
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 may be necessary
to service your bar .
A worn bar will damage your chain and make
cutti ng difficult.
After each use, ensure ON/STOP switch is in
theSTOPposition,thencleanallsawdust 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 theoil holes and bargroove aftereach
5 hours of operation.
Remove Sawdust From
Guide Bar Groove
Oil Holes
S Burringof guidebar rails is a normalprocess
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 Groove
Worn Groove
File Rail Edges
and Sides
Square
Replace guide bar when the groove is worn,
theguidebar is bent or cracked,or whenexce-
ss heating or burring of the rails occurs. If re-
placementis necessary,use only theguidebar
specified for your saw in the repair parts list or
on the decal located on the chain saw .
SPARK PLUG
The spark plug should be replaced each year
toensuretheenginestarts easierandrunsbet-
ter . Ignition timing is fixed and nonadjustable.
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 19 mm
socket wrench. Spark plug gap should be
0,5 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
CHA I N SHA R PE N ING
Chain sharpening is a complicated task that
requiresspecialtools. Werecommend thatyou
refer chain sharpening to a professional chain
sharpener .
CAR B UR E TOR ADJ UST M E NTS
WARNING: Thechainwillbemoving
during most of this procedure. Wear your pro-
tective equipment and observe all safety pre-
cautions. The chain must not move at idle
speed.
The carburetor has been carefully set at the
factory . Adjustmen ts may be ne cessary 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. Iftheenginestalls,idleis tooslow. Ad-
just 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) counterclockwise
to decrease engine speed.
STOR A GE
WARNING:Stopengineand allowto
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.
Storeunitwithallguardsinplace.Positionso
that any sharp object cannot accidentally
cause injury to passersby.Storethe 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 particular
attention to theair 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.
S Ensure the machine is cleaned and that a
complete service is carried out before long--
term storage.
S The guide bar and chain must always be
covered with a scabbard when the machine
is being transported or in storage in order to
prevent accident contact with the sharp
chain. Even a non--moving chain can cause
serious cuts to yourself or persons you
bump into with an exposed chain.