Operator`s manual

EngineMaintenance
CheckEngineOil
Stop engine and wait several minutes before
checking oil level.
Remove oil fill dipstick.
Check oil level on dipstick. With engine on level
ground, the oil must be to FULL mark on dipstick.
Replace dipstick and tighten.
ChaegiagEegiaeOil
Only use high quality detergent oil rated with API
service classification SF, SG, or SH. Select the
oil's SAE viscosity grade according to the
expected operating temperature. Follow the chart
below:
Colder < 32°F -)_ Warmer
5W30
I SAE 30
Oil Viscosity Chart
NOTE: Afihough multi-viscosity oils (SW30, 10W30,
etc.) improve starting in cold weather, they wiff resuff
in increased oil consumption when used above 32_'F.
Check your engine oil level more frequently to avoid
possible engine damage from running low on oil.
Change engine oil after the first five hours of
operation, and every 50 hours thereafter. Change
oil every 25 hours of operatk)n if the engine is
operated under heavy load or in high ambient
temperatures.
To Draie Oil
Drain oil while engine is warm. Follow the instructions
given bek)w.
Drain the gas tank, start the engine and let it run
until the fuel line and carburetor are empty.
Remove oil fill dipstick.
Tip unit on its side to drain through the oil fill tube.
When engine is drained of all oil, refill with
approximately 20 oz. of fresh oil Refer to Gas
And Oil Fill-up in OPERATION section.
Replace dipstick.
Service Air Cleaner
The air cleaner prevents damaging dirt, dust, etc.,
from entering the carburetor and being forced into the
engine and is important to engine life and
performance.
WARNING: Never run the engine without
an air cleaner completely assembled.
To ServiceAir Filter
Loosen air cleaner cover screw, but do not
remove screw from cover. Swing cover down to
remove from hinge.
Inspect filter for discoloration or dirt
accumulation. If either is present, proceed as
follows:
Clean inside of body and cover thoroughly and
remove cartridge.
Reassemble new cartridge in the body. Swing
cover down and tighten the screw loosened
earlier.
WARNING: Temperature of muffler andnearby areas may exceed 150° F(65°C).
Avoid these areas.
ServiceSparkPlug
Clean the spark plug and reset the gap to.030" at
least once a season or every 50 hours of
operation. See Figure 9.
Clean area around spark plug. Remove and
inspect spark plug.
Replace if electrodes are pitted, burned or the
porcelain is cracked.
Check electrode gap with wire feeler gauge and
reset gap to.030 inches.
NOTE: Do not sandblast spark plug. Spark plug
should be cleaned by scraping or wire brushing and
washing with a commercial sohvent.
,030" Feeler Gauge
.... . . " SparkPlug "
Figure 9
Clean Engine
Clean engine periodically, by removing dirt and
debdswgh a cloth or brush.
NOTE: Cleaning with a forceful spray of water is not
recommended as water could contaminate the fuel
system.
To ensure smooth operation of the engine, keep
the governor linkage, springs, and controls free
of debris.
Every 100 hours of operation, remove
combustion deposits from top of cylinder, cylinder
head, top of piston, and around valves.
Service cartridge every 25 operating hours or
every season. Service cartridge more often under
dusty conditions.
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