14
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 engine perform-
ance and increases fuel consumption and
harmful emissions. Always clean after every
5 hours of operation.
S
Clean the cover and the 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 cool water. Air dry 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
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 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 comes first.
Muffler
Gasket
Muffler
Bolts
Muffler
Locknut
Outlet
Guide
Bolt Cover
Backplate
S
Loosen and remove the locknut from the
bolt cover.
S
Remove the bolt cover.
S
Loosen and remove the 2 muffler bolts.
Remove the muffler, muffler gasket, outlet
guide and backplate. Notice the orienta-
tion of these parts for reassembling.
S
Locate the 2 outlet cover screws on the
muffler. Loosen and remove both screws.
S
Remove the outlet cover.
BACK VIEW OF
MUFFLER
Muffler
Spark Arresting
Screen
Outlet Cover
Screws
S
Remove spark arresting screen.
S
Clean the spark arresting screen with a wire
brush. Replace screen if any wires are bro-
ken or screen is blocked after cleaning.
S
Reinstall spark arresting screen.
S
Reinstall outlet cover and 2 screws. En-
sure outlet cover 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
S
Inspect the muffler gasket and replace if
damaged.
S
Reinstall backplate, outlet guide, muffler
gasket, and muffler using muffler bolts.
Tighten until secure.
S
Reinstall bolt cover and locknut. Tighten
securely.
