Filter
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14
1. Loosen 3 screws on cylinder cover.
2. Remove cylinder cover.
3. Remove air filter.
4. Clean the airfilter using hot soapy water.
Rinse with clean coolwater. Air drycom-
pletely before reinstalling.
5. Lightly oil air filter before installing to im-
prove the efficiency of a ir filter. Use
2 --cycle engine oil or motor oil (SAE 30).
Squeeze excess oil from filter.
6. Reinstall air filter.
7. Reinstall cylinder cover and 3 screws.
TIghten securely.
Air Filter
Cylinder
Cover
Screws
Cylinder
Cover
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 avoidcreating a fire
hazard or affecting engine performance.
Replace the spark arresting screen if breaks
occur.
CLEANING THE SPARK ARREST-
ING SCREEN
Cleaning is required every 25 hours of op-
eration or annually, whichever comes first.
Muffler
Gasket
Muffler
Bolts
Muffler
Locknut
Outlet
Guide
Bolt Cover
Backplate
1. Loosen and remove the locknut 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
Spark Arresting
Screen
Outlet Cover
Screws
6. Remove spark arresting screen.
7. Clean the s par k arresting screen with a
wirebrush.Replacescreenifany wiresare
broken or scr een is blocked after c leaning.
8. Reinstall spark arresting scr een.
9. Reinstall outlet cover and 2 screws. En-
sure outlet coverand both screws arere-
installed correctly (see illustrations) to
prevent damage to the saw. The ex-
haust outlet must face the chain brake
(bar side) of the saw.
Exhaust Outlet must face chain
brake (bar side) of chain saw
Outlet Cover
Exhaust
Outlet
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 locknut. Tighten
securely.
CARBURETOR ADJUSTMENT
WARNING:
The chain will be mov-
ing during most of this procedure. Wearyour
protective equipment and observe all safety
precautions. Thechain must not moveat idle
speed.
The carburetor has been carefully set at the
factory. Adjustments may be necessary 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
istoo fast. Ifthe engine stalls, idle istoo slow .
Adjust speed until engine runs without chain
movement (idle too fast) or stalling (idle too
slow). The idle speed screw islocated inthe
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) counterclock-
wise to decrease engine speed.
If you require further assistance or are unsure
about performing this procedure, contact your
authorized ser v ice deal er or call
1--800--554--6723.