14

AIRFILTER

CAUTION:Donot clean filter in gasoline
orother flammable solvent to avoid creating
afi re hazard or producing harmful evapora-
tiveemissions.

Cleaningthe air filter:

A dirty air filter decreases engine perform-
ance and increases fuel consumption and
harmfulemissions . Always clean after every
5hour s of operation.
1. Loosen3 screws on cy linder cover.
2. Removecy linder cover.
3. Removeai r filter.
4. Cleanthe air filter using hot soapyw ater.
Rinse with clean cool water. Air dry
completely before reinstalling.
5. Lightly oil air filter before installing to im-
prove the efficiency of air filter. Use
2--cycleengine oil or motoroil (SAE 30).
Squeezeexces s oil from filter.
6. Reinstall air filter.
7. Reinstall cylinder cover and 3 screws.
TIghtensecurely.
AirFilter CylinderC over
Screws
Cylinder
Cover

INSPECT MUFFLER AND SPARK

ARRESTINGSCREEN

WARNING: The muffler on this
product contains chemicals known to the
Stateof Cali fornia to cause cancer.
Asthe unit is used, carbon deposits build up
on the muffler and spark arresting screen,
andmust be removed to avoid creating a fire
hazardor affecting engine per formance.
Replacethe spark arresting scr een if breaks
occur.

CLEANING THE SPARK ARREST-

INGSCREEN

Cleaning is required every 25hours ofop-
erationor annuall y,whichever comes fi rst.
Muffler
Gasket
Muffler
Bolts
Muffler
Locknut
Outlet
Guide
BoltCover
Backplate
1. Loosenand remove the locknut from the
bolt cover.
2. Removethe bolt cov er.
3. Loosenand rem ove the 2 muffler bolts.
Removethe muffler, muffler gasket, out-
let guide andbac kplate. Noticethe ori-
entationof these parts for reassembling.
4. Locatethe 2 outlet cover scr ews on the
muffler. Loosen and remove both
screws.
5. Removethe outl et cover.
BACKVIEW O F
MUFFLER
Muffler
Spark Arresting
Screen
Outlet Cover
Screws
6. Removespar k arresting screen.
7. Clean the spark arresting screen with a
wire brush. Replace screen if any wires
arebrokenor screen is blocked afterclea-
ning.
8. Reinstall spark arresting sc reen.
9. Reinstalloutlet cover and 2 sc rews. En-
sure outlet cover and both screws are
reinstalledcorrectly (see illustrations)to
prevent damage to the saw. The ex-
haust outlet must face the chain brake
(barsi de) of the saw.
Exhaust Outlet must face chain
brake( bar side) of chain saw
OutletC over
Exhaust
Outlet
10. Inspect t he muffler gasket and replace if
damaged.
11. Reins tall backplate, outlet guide, muffler
gasket, and muffler using muffler bolts.
Tightenuntil s ecure.
12. Rei nstall bolt cover andlocknut. Tighten
securely.

CARBURETORADJUSTMENT

WARNING: Thechain will be mov-
ingduring mos t of this procedure. Wear your
protectiveequi pmentand obser ve all safety
precautions.The chain must not move at idle
speed.
Thecarburetor has been carefully set at the
factory. Adjustments may be necessary if
younoti ce any ofthe followi ng conditions:
SChainmoves at idle. See IDLE SPEED--T
adjusting procedure.
SSawwill not idle. See IDLE SPEED--T ad-
justing procedure.

Idle Speed--T

Allow engineto idle. If the chain m oves, idle
istoo fast. If the engine stalls, idle is too slow.
Adjustspeed until engine runs without chai n
movement(idle too fast) or stalling (idle too
slow). The idle speed screw is located in the
areaabove the pri mer bulb and is labeled T.