Craftsman 917986960 rear-tine tiller

User Manual - Page 18

For 917986960.

PDF File Manual, 52 pages, Download pdf file

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ENGINE
TO ADJUST CARBURETOR
The carburetor has a high speed fixed
jet and has been preset at the factory
and adjustment should not be neces-
sary. However, minor adjustments may
be required to compensate for differences
in fuel, temperature, altitude or load. If
the carburetor does need adjustment, see
engine manual.
High speed stop is factory adjusted. Do
not adjust or damage may result.
IMPORTANT: Never tamper with the
engine governor, which is factory set for
proper engine speed, overspeeding the
engine above the factory high speed
setting can be dangerous. If you think
the engine-governed high speed needs
adjusting, contact your nearest authorized
service center/department, which has
the proper equipment and experience to
make any necessary adjustments.
Immediately prepare your tiller for storage
at the end of the season or if the unit will
not be used for 30 days or more.
_,CAUTION: Never store the tiller 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.
TILLER
1. Clean entire tiller (See "CLEANING"
in the Maintenance section of this
manual).
2. Inspect and replace belts, if necessary
(See belt replacement instructions in
the Service and Adjustments section
of this manual).
3. Lubricate as shown in the Mainte-
nance section of this manual.
4. Be sure that all nuts, bolts and screws
are securely fastened. Inspect moving
parts for damage, breakage and wear.
Replace if necessary.
5. Touch up all rusted or chipped paint
surfaces; sand lightly before painting.
ENGINE
FUEL SYSTEM
IMPORTANT: It is important to prevent
gum deposits from forming in essential
fuel system parts such as the carburetor,
fuel filter, fuel hose, or tank during stor-
age. 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.
Empty the fuel tank by starting the en-
gine and letting 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 stor-
age 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 car-
buretor. Do not empty the gas tank and
carburetor if using fuel stabilizer.
ENGINE OIL
Drain oil (with engine warm) and replace
with clean oil. (See "ENGINE" in the
Maintenance section of this manual).
CYLINDER
1. Remove spark plug.
2. Pour 1 ounce (29 ml) of oil through
spark plug hole into cylinder.
3. Pull starter handle slowly several 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 give protection 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 tiller while
engine and exhaust areas are still warm.
18
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