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8
CLEAN AIR FILTER
A dirty air filter decreases the life and perfor-
mance of the engine and increases fuel con-
sumption and harmful emissions.
Always clean yourair filter after 5tanks offuel
or 5 hours of operation, whichever comes
first. Clean more frequently in dusty condi-
tions. It is advisable to replace your air filter
with a new one after every 50 hours of opera-
tion, or annually, whichever comes first.
To clean filter:
1. Clean the cover and t he area around it to
keep dirt from falling into the carburetor
chamber when the cover is removed.
2. Remove the two screws and t he air filter
cover from the engine.
3. Remove air filter.
NOTE:
Do not clean the air filter with gaso-
line orother flammable solvent to avoid creat-
ing a fire hazard or producing harmful evapo-
rative emissions.
4. Clean the air filter using hot soapy water.
Rinse with clean c ool water. Air dry com-
pletely before reinstalling.
5. 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).
NOTE:
Do not s oak air filter in oil.
6. Squeeze theairfilter to distribute oil and to
remove any excess oil.
7. Reinstall air f ilter in housing.
CAUTION:
Make sure air filter is fitted in to
the corners of the housing to prevent air from
bypassing the filter and to keep dust from en-
tering engine and causing damage.
8. Reinstall air filter cover.
Air Filter Cover
Cover
Scr e ws
BLADE MAINTENANCE
WARNING:
The blade wi ll c ontinue
to spin after the engine stops or after the
throttle trigger has been released. Makesure
the blade has stopped coasting and discon-
nect thesparkplug before performing workon
the blade.
WARNING:
Wear protective gloves
when handling or performing maintenance on
the blade to help avoid injury.
Always replace a blade that is bent, warped,
cracked, broken, or damaged in any other
way . Never attempt to straighten andreuse a
damaged blade. Use only specified replace-
ment blade.
S
The blade is reversible. When the cutting
edge on one side becomes worn, turn the
blade over.
S
Check blade for flatness periodically. Lay
the blade ona flat surface to inspect for flat-
ness. Throw away a blade that is not flat
.
REPLACE SPARK PLUG
The spark plug should be replaced each year
to ensure the engine starts easier and runs
better. Set spark plug gap at 0.025 inches.
Ignition timing is fixed, nonadjustable.
1. Twist then pull off the spark plug boot.
2. Remove and discard the spark plug.
3. Replace with Champion RCJ--6Y spark
plug and tighten securely with a wrench.
4. Reinstall the spark plug boot.
Spark Plug Boot
Spark Plug
SERVICE AND ADJUSTMENTS
BLADE REPLACEMENT
1. To rem ove the blade, insert a screwdriver
into the hole in the gearbox; then, remove
the nut, washer, and blade from the blade
shaft.
Blade
2.
Align theflat area ofthe blade opening with
the flat side of t he shaft. Place the new
blade on the shaft.
Nut
Washer
Flat sides
Hole
3. Install the washer and nut; turn nut coun-
terclockwise on the blade shaft.
4. Bind blade byinserting ascrewdriver in to
the hole inthe gearbox; then, firmly tighten
nut with a wrench.