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1. Loosen 3 screws on cylinder cover.
_=
Outlet Cover
2. Remove cylinder cover,
A
3. Remove air filter,
4. Clean the air filter using hot soapy water,
Rinse with clean cool water. Air dry com-
Screws
pletely before reinstalling.
5. Lightly oil air filter before installing to im-
prove the efficiency
of air filter.
Use
Spark Arrestin:
2-cycle
engine oil or motor oil (SAE 30).
Screen
Squeeze
excess oil from filter.
6. Reinstall air filter.
7. Reinstall
cylinder
cover and 3 screws.
Tighten
securely.
Cylinder
Air Filter
Cover
\
Cylinder
Cover
JJ
INSPECT
MUFFLER
AND
SPARK
ARRESTING
SCREEN
_,WARNING:
The muffler on this
product
contains chemicals known to the
State of California
to cause cancer.
As the unit is used, carbon deposits build up
on the muffler and spark arresting
screen,
and must be removed to avoid creating a fire
hazard or affecting engine performance.
Replace the spark arresting screen if breaks
occur.
CLEANING
THE SPARK ARREST-
ING SCREEN
Cleaningisrequiredevery
25houre of op-
eration or annually, whichever comes first.
Outlet
Guide
Locknut
1. Loosen and remove the Iocknut from the
bolt cover.
2. Remove the bolt cover.
3. Loosen and remove the 2 muffler bolts.
Remove the muffler, muffler gasket, out-
let guide and backplate.
Notice the ori-
entation of these parts for reassembling.
4. Locate the 2 outlet cover screws on the
muffler.
Loosen
and
remove
both
screws.
5. Remove the outlet cover.
BACK VIEW OF
MUFFLER
Muffler
6.
Remove spark arresting screen.
7. Clean the spark arresting screen with a
wire brush. Replace screen if any wires are
broken or screen is blocked after cleaning.
8.
Reinstall spark arresting screen.
9.
Reinstall outlet cover and 2 screws. En-
sure outlet cover and both screws are re-
installed correctly
(see illustrations)
to
prevent damage
to the saw.
The ex-
haust outlet must face the chain brake
(bar side) of the saw.
Outlet Cover
Exhaust
_
_
_€"
Outlet _'_
Exhaust
Outlet must face chain
brake (bar side) of chain saw
10. Inspect the muffler gasket and replace if
damaged.
11. Reinstall backplate, outlet guide, muffler
gasket,
and muffler using muffler bolts.
Tighten until secure.
12. Reinstall bolt cover and Iocknut. Tighten
securely.
CARBURETOR
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 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. ffthe chain moves, idle
is too fast. If the 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
aboL_ performing this procedure, contact your
aL_horized
service
dealer
or
call
1-800-554-6723.
14
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