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MAINTENANCE SCHEDULE
Lubricate bar
sprocket hole After each use.......
Check:
Fuel mixture level Before each use....
Bar lubrication Before each 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 Before each 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
Yearly.
Replace fuel filter
Yearly...
* Hours of Operation
AIR FILTER
CAUTION:
Do not clean filter in gasoline
or other flammable solvent to avoid creating
a fire hazard or producing harmful evapora-
tive emissions.
Cleaning the air filter:
A dirty air filter decreases engi ne perform-
ance and increases fuel consumption and
harmful emissions. Always clean after every
5 hours of operation.
S
Clean the cover and t he area around it to
keep dirt and sawdust from falling into the
carburetor chamber when the cover is re-
moved.
S
Remove the parts as illustrated below.
S
Wash the filter in soap and water. Rinse in
clean coolwater. Airdry completely before
reinstalling.
S
Lightly oil air filter before installing to im-
prove the efficiency of the air filter. Use
2 --cycle engine oil or motor oil (SAE 30).
Squeeze excess oil from filter.
S
Reinstall parts.
Air Filter
Cylinder
Cover
Screws
Cylinder
Cover
INSPECT MUFFLER AND SPARK
ARRESTING SCREEN
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.
Muffler Diffuser
Muffler
Cover
Screws
Muffler
Cover
Muffler
Body
Spark
Arresting
Screen
Cleaning i s required e ver y 25 hours of opera-
tion or annually , whichever comes first.
S
Loosen and remove the 2 muffler cover
screws.
S
Remove the m uf fler cover (cover snaps off
muffler body).
S
Remove muffler diffuser and spark arresting
screen assembly. Notice the or ientation of
these par ts f or reassembling.
S
Clean t he spark arrestor screen with a wire
brush. Replace screen i f breaks are found.
S
Replace any br oken or cracked muf fler
parts.
S
Reinstall diffuser and spar k ar r estor scr een
assembly with round hol es facing up.
S
Reinstall muffler cover and 2 screws. Tight-
en securely.
CARBURETOR ADJ USTMENTS
Your car bur etor i s equipped with limiter caps.
Carbur etor adjustment is a complicated task.
We recommend that you take your unit to an
authorizedservice dealer. Damagewill occurif
you tur n the needl es beyond the limiter stops.
BAR MAINTENANCE
If your saw c uts t o one side, has to be forc ed
through t he cut, or been run with an i mpr oper
amount of bar lubrication i t may be necessary
to service y our bar. A worn bar will damage
your chai n and make cut ting di f ficult.
After each use, ensur e ON/STOP switch is in
theSTOPposition, thenclean allsawdust from
the guide bar and sprocket hole.
To maintain guide bar:
S
Move ON/STOP switch to the ST OP posi-
tion.
S
Loosen and r em ove chain brake nuts and
chain brake. Remove bar and chain from
saw.
S
Cleantheoil holes andbargroove a ftereach
5 hours of operation.
Remove Sawdust From
Guide Bar Groove
Sprocket Hole
Oil H oles
S
Add lubricant to sprocket hole after each
use.
S
Burringof guidebar r ailsis a nor malprocess
of rail wear. Remove these bur r s with a flat
file.
S
When rail top i s uneven, use a f lat file to re-
store s quar e edges and sides.