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Craftsman 917.378770 Manual Del Usuario página 16

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ENGINE
FUEL SYSTEM
IMPORTANT:
It is important to prevent
gum deposits from forming in essential
fuel system parts such as carburetor, fuel
filter, fuel hose, or tank during storage.
Also, alcohol
blended
fuels (called
gasohol
or using ethanol
or methanol)
can attract moisture
which
leads to
separation
and formation
of acids during
storage.
Acidic gas can damage
the fuel
system
of an engine
while in storage.
1. Drain the fuel tank.
2.
Start the engine
and let it run until the
fuel lines and carburetor
are empty.
• Never use engine
or carburetor
cleaner
products
in the fuel tank or permanent
damage
may occur.
• Use fresh fuel next season.
NOTE:
Fuel stabilizer
is an acceptable
alternative
in minimizing
the formation
of
fuel gum deposits
during
storage.
Add
stabilizer
to gasoline
in fuel tank or
storage container.
Always
follow the mix
ratio found
on stabilizer
container.
Run
engine at least 10 minutes
after adding
stabilizer
to allow the stabilizer
to reach
the carburetor.
Do not drain the gas tank
and carburetor
if using fuel stabilizer.
ENGINE OIL
Drain oil (with engine warm) and replace
with clean engine oil (See "ENGINE" in
the Maintenance section of this manual).
CYLINDER
1. Remove spark plug.
2. Pour one ounce (29 ml) of oil through
spark plug hole into cylinder.
3. Pull starter handle slowly a few times
to distribute oil.
4. Replace with new spark plug.
OTHER
• Do not store gasoline
from one season
to another.
• Replace
your gasoline
can if your can
starts to rust. Rust and/or dirt in your
gasoline will cause problems.
• If possible, store your unit indoors and
cover it to protect it from dust and dirt.
• Cover your unit with a suitable protec-
tive cover that does not retain moisture.
Do not use plastic. Plastic cannot
breathe,
which allows condensation
to
form and will cause your unit to rust.
IMPORTANT:
Never cover mower while
engine and exhaust areas are still warm.
_1, CAUTION:
Never store the lawn mower
with gasoline in the tank inside a building
where fumes
may reach an open flame or
spark. Allow the engine to cool before
storing in any enclosure.
TROUBLESHOOTING
- See appropriate
section In manual unless directed
to a Sears Service Center.
PROBLEM
CORRECTION
Does not start
CAUSE
1.
Dirty air filter.
2.
Out of fuel.
3. Stale fuel.
4.
Waterin
fuel.
5. Spark plug wire is
disconnected.
6. Bad spark plug.
7.
Loose blade or broken
blade
adapter.
8. Control
bar in released
position.
9. Control
bar defective.
1. Clean/replace
air filter.
2.
Fill fuel tank.
3.
Drain tank and refill with
fresh, clean fuel.
4.
Drain fuel tank and
carburetor
and refill tank
with fresh gasoline.
5.
Connect
wire to plug.
6. Replace
spark plug.
7.
Tighten
blade bolt or
replace
blade adapter.
8.
Depress
control
bar to
handle.
9.
Replace
control
bar.
16

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