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MAINTENANCE SCHEDULE
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 arresting screen
and muffler .......... Every 25 hours*
Replace spark plug . Yearly
Replace fuel filter ... Yearly
* Hours of Operation -
Each hour of operation is approximately
2 tanks of fuel.
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 the life and perfor-
mance of the engine and h_creases fuel con-
sumption and harmful emissions. Always
ctean your air filter after 10 tanks of fuel or 5
hours of operation, whichever comes first.
Clean more frequently h_dusty conditions. A
used air filter can never be completely
cleaned, it is advisable to replace your air fil-
ter with a new one after every 50 hours of op-
eration, or annually, whichever comes first.
1. Loosen 3 screws on cylinder cover.
2. Remove cylinder cover.
3. Remove air filter.
4. Clean the air filter using hot soapy water.
Rh_se 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-cycle engine oil or motor oil (SAE 30).
Squeeze excess oil from filter.
6. Reinstall air filter.
7. Reinstall cylinder cover and 3 screws.
Tighten securely.
_ I Cylinder Cover
Air Filter _f Screws
er
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.
Outlet
Guide
Backplate
Muffler
Gasket
Muffler
/
Muffler
_/ Bolts
Bolt Cover
Locknut
1. Loosen and remove the Iocknutfrom the
bott cover.
2. Remove the bolt cover.
3. Loosen and remove the 2 muffler bolts.
Remove the muffler, muffler gasket, out-
let guide and backplate. Notice the ori-
entation of these parts for reassembling.
4. Locate the 2 outlet cover screws on the
muffler. Loosen and remove both
screws.
5. Remove the outlet cover.
_ Outlet Cover BACK VIEW OF
MUFFLER
Screws
Muffler
Spark Arresting
Screen
6. Remove spark arresting screen.
7. Clean the spark arresting screen with a
wire brush. Replace screen if any wires
are broken or screen is blocked after clea-
ning.
8. Reinstall spark arresting screen.
9. Reinstall outlet cover and 2 screws. En-
sure outlet cover and both screws are
reinstalled correctly (see illustrations) to
prevent damage to the saw. The ex-
haust outlet must face the chain brake
(bar side) of the saw.
14
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