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11. Reinstall
backplate,
outlet guide, muffler
gasket, and m uffter using muffler bolts.
Tighten
until secure.
12. Reinstall
bolt cover and I ocknut.
Tighten
securely.
CARBURETOR
ADJUSTMENT
_i WARNING:
The chain will be mov-
ing during most of this procedure.
Wear your
protective
equipment
and observe
atl safety
precautions.
The chain must not move at idle
speed,
The carburetor
has been carefully
set at the
factory.
Adjustments
may be necessary
if
you notice any of the following
conditions:
• Chain moves at idle. See IDLE SPEED-T
adjusting
procedure,
• Saw will not idle, See IDLE SPEED-T
ad-
justing procedure.
Idle
Speed-T
Allow engine to idle. if the chain moves,
idle
is too fast. Ifthe engine stalls, idle is 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.
• Turn idle speed screw
(T) clockwise
to in-
crease engine speed.
• Turn idle speed
screw
(T) counterclock-
wise to decrease
engine speed.
If you require further assistance or are unsure
about perfomqing 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 may be necessary
to service your bar. A worn bar will damage
your chain and make cutting difficult.
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:
• Move ON/STOP
switch to the STOP posi-
tion.
• Loosen and remove chain brake nuts and
chain brake.
Remove
bar and chain from
saw.
• Clean the oil holes and bar groove affer each
5 hours of operation.
Remove Sawdust
From
_'
j_
Guide Bar Groove
-
Oil Holes
_,
• Burring of guide bar rails is a normal process
of rail wear. Remove these burrs with a flat
file.
• When rail top is uneven, use a flat file to re-
store square edges and sides.
"_r'_
File Rail Edges_
r] r]
and Sides
I U I
square
I
I
worn
Groove
Correct
Groove
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 necessary, use only the guide bar
specified for your saw in the repair parts list or
on the decat located on the chain saw.
CHAIN
SHARPENING
Chain sharpening
is a complicated
task that
requires
special
toots.
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 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 p_ug boot.
7.
Reinstall the cylinder cover and 3 screws.
Tighten securely.
Screws
Cover
Plug Boot
Spark
Plug
STORAGE
_i 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.
Store unitwith all guards in place. Position so
that any sharp
object
cannot
accidentally
cause injury to passersby.
Store the unit out
of reach of children.
• Before storing,
drain all fuel from the unit.
Start engine and allow to run until it stops.
• Clean the unit before storing.
Pay particu-
lar attention
to the air intake area, keeping
it free of debris. Use a mild detergent
and
sponge to clean the plastic surfaces.
• 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.
• Store in a dry area out of the reach of chil-
dren.
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