14
MAINTENANCE SCHEDULE
Lubricate bar
sprocket hole After eachuse.......
Check:
Fuel mixture level Before each use....
Bar lubrication Beforeeach use.......
Chain tension Before each use.......
Chain sharpness Before each use....
For damaged parts Before each use..
For loose caps Before each use......
For loose fasteners Before each use...
For loose parts Beforeeach use......
Inspect and Clean:
Bar Before each use................
Complete saw After each use.......
Air filter Every 5 hours*.............
Chain brake Every 5 hours*........
Spark arrestor screen
and muffler Every 25 hours*.........
Replace spark plug Yea rly.
Replace fuel filter Year ly...
* Hours of Operation

AIR FILTER

CAUTION: Do not clean filter in gasoli ne
or other flammable solvent toavoid creating
a fire hazard or producing harmful evapora-
tive emissions.

Cleaning the air filter:

A dirty air filter decreases engine perform-
ance and increases fuel consumption and
harmful emissions. Always clean af ter every
5 hours of operation.
SClean the cover and the area around it to
keep dirt and sawdust from falling into the
carburetor chamber when the cover is re-
moved.
SRemove the parts asillustrated below.
SWashthe f ilter in soap and water. Rinsein
cleancool water. Ai r dry completely before
reinstalling.
SLightly oil air filter before installing to im-
prove the efficiency of the air filter. Use
2--cycleengine oil or motor oil (SAE 30).
Squeeze excess oil from filter.
SReinstall parts.
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 c ancer.
Ast he unit is used, carbon deposit s build up
on the muffler and spark arresting screen,
andmust 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

Cleaning is required every 25 hours of op-
eration or annually, whichever comesfirst.
Muffler
Gasket
Muffler
Bolts
Muffler
Locknut
Outlet
Guide
Bolt Cover
Backplate
SLoosen and remove the locknut from the
bolt cover.
SRemove the bolt cover.
SLoosen and remove the 2 muffler bolts.
Remove the muffler, muffler gasket, outlet
guide and backplate. Notice the orienta-
tion of these parts for reassembling.
SLocate the 2 outlet cover screws on the
muffler. Loosen andremove both screws.
SRemove the outlet cover.
BACK VIEW OF
MUFFLER
Muffler
Spark Arresting
Screen
Outlet Cover
Screws
SRemove spark arresting screen.
SCleanthe spark arresting screen with a wire
brush. Replace screen if any wiresare bro-
ken or screen is blocked after cleaning.
SReinstall spark arresting screen.
SReinstall outlet cover and 2 screws. En-
sureoutlet cov er and both screws are rein-
stalled correctly (see illustrations) to pre-
vent damage to the saw. The exhaust
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
SInspect the muffler gasket and replace if
damaged.
SReinstall backplate, outlet guide, muffler
gasket, and muffler using muff ler bolts.
Tighten until secure.
SReinstall bolt cover and locknut. Tighten
securely.