15
Muffler
Gasket
Muffler
Bolts
Muffler
L
ocknut
Steel
Backplate
Bolt Cover
Aluminum
Backplate
1. Loosenand remove the 3 cylinder c over
screws. Remove the cylinder cov er.
2. Pulloff the spark plug boot.
3. Loosenand remove the locknut from the
bolt cover. Remove the bolt cover.
4. Loosenand remove the 2 muffler bolts.
Remove the muffler,muffler gas ket and
backplates. Notice the or ientation of
these parts for reassembling.
5. Locatethe 2 outlet cov er screws on the
muffler. Loosen and remove both
screws. Remove the outletcover and
spark arresting screen.
Outlet Cover
Spark Arresting
Screen
Screws
Muffler
B
A
C
K
VIEW OF MUFF
L
ER
6. Cleanthe spark arr esting screen with a
wire brush. Replace screen if any wir es
are broken or screen is block ed after
cleaning.
7. Reinstallspark arres ting screen.
8. Reinstalloutlet cover and 2 screw s. En-
sure outlet cover and both screws are
reinstalled correctly to prevent damage
to the saw (see illustrations). The ex-
haust outlets must face the chain brake
(bar side) of the saw.
Outlet Cover
Exhaust Outlets
Exhaust Outlets must face
chain brake (bar side) of chain saw
9. Inspectthe muffler gasket and replace if
damaged.
10. Reinstall backplates, muffler gas ket and
mufflerus ing muffler bolts. Tighten until
secure.
11. Reinstall bolt cover and locknut.
12. Reinstall the spark plug boot.
13. Reinstall the cylinder cover and 3
screws. Tighten securely.
CARBURETOR ADJUSTMENTS
WARNING: The c hain will be mov-
ingduring most of this procedure. Wearyour
protective equipment and observe all safety
precautions.The chainmust not move at idle
speed.
Thecar buretor has been carefully set at the
factory. Adjustments may be necessary if
you notice any of the following conditions:
SChainmov es at idle. See IDLE SPEED--T
adjusting procedure.
SSawwill not idle. See ID LES PEED--T ad-
justing procedure.
Idle Speed--T
Allowengine to idle. If the chain mov es, idle
istoo fast. Ifthe engine stalls, idleis too slow.
Adjusts peed until engine runs without chain
movement (idle too fast) or stalling (idle too
slow).
STurnidle speed s crew (T) clockwise to in-
crease engine speed.
STurn idle speed screw (T) counterclock-
wise to decrease engine speed.
If you require further assistan ce or are unsure
about performing this procedure, contact your
authorized service dealer or call
1--800--554--6723.
BAR MAINTENANCE
Ifyour sawcuts to one s ide, has to be forced
throughthe cut, or been run w ith animproper
amount of bar lubrication it may be neces -
saryto servic e your bar. Aworn bar will dam-
agey our chain and make cutting difficult.
After each use, ensure ON/STOP switch is
inthe STOP position, thenclean all s awdust
from the guide bar and sprocket hole.
Tomaintain guide bar:
SMoveON/ STOP switch to the STOP posi-
tion.
SLoosenand r emove chain brake nuts and
chain brake. Remove bar and chain from
saw.
SCleanthe oil holes andbar groove after each
5 hours of operation.
RemoveSawdust From
Guide Bar Groove
Oil Holes
SBurring of guide bar rails is a normal
process of rail wear. Remove these burrs
with a flat file.
SWhenrail top is uneven, us e a flat file to re-
store square edges and sides.
Correct GrooveWornG roove
FileR ail Edges
and Sides
Square