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6.
Clean the spark arresting
screen
with a
wire brush. Replace
screen if any wires
are
broken
or screen
is blocked
after
cleaning.
7.
Reinstall spark arresting
screen.
8.
Reinstall outlet cover and 2 screws.
En-
sure outlet cover and both screws are re-
installed correctly
to prevent
damage
to
the saw (see illustrations).
The exhaust
outlets
must face the chain
brake (bar
side) of the saw.
Exhaust
Outl_
tlet Cover
Exhaust
Outlets must face
chain brake (bar side) of chain saw
9.
inspect the muffler gasket
and replace if
damaged.
10. Reinstall backplates,
muffler gasket
and
muffler using muffler bolts.
Tighten until
secure.
11. Reinstall bolt cover and Iocknut.
12. Reinstall the spark plug boot.
13. Reinstall
the
cylinder
cover
and
3
screws.
Tighten
securely.
CARBURETOR
ADJUSTMENTS
WARNING:
The chain will be mov-
ing during most of this procedure.
Wear your
protective
equipment
and observe
all 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 idie. See IDLE SPEED-T
ad-
justing procedure.
Idle
Speed-T
Allow engine to idle, If the chain moves,
idle
is too fast. Ifthe enginestalls,
idte is too slow.
Adjust speed until engine runs without chain
movement
(idle too fast) or stalling
(idle too
slow).
• 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 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 may be neces-
sary to service your bar. A worn bar will dam-
age 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 after each
5 hours of operation.
Remove
Sawdust
From
_
1_
G uide Bar G,_ov__,_"
Oil Holes
•
o_
_J
• 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.
_
File Rail Edges_
['] r]
and Sides
I U I
Square
[
]
Worn Groove
Correct
Groove
Replace
guide bar when the groove is worn,
the guide
bar is bent or cracked,
or when
excess
heating or burring of the rails occurs.
if replacement is necessary, use only the guide
bar specified for your saw in the repair parts list
or on the decal 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
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.
Reinstallthe
cylinder cover and 3 screws
Tighten securely.
Spark Plug Boot
15
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