Cub Cadet 928 SWE Operator's Manual page 23

Off-Season Storage
If the snow thrower will not be used for 30 days or longer,
the equipment needs to be stored properly. Follow storage
instructions below to ensure top performance from the
snow thrower for many more years.
Refer to the engine manual for more detailed
NOTE:
information on preparing the snow thrower engine for
storage.
Short-Term Storage
It is important to prevent gum deposits from forming
in essential fuel system parts of the engine such as the
carburetor, fuel filter, fuel hose, or tank during short-term
storage (15-30 days). To prevent this, treat the fuel system
using a fuel stabilizer.
Fuel stabilizer (such as STA-BIL™ or ULTRA-FRESH™) 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 mix ratio
found on stabilizer container. Run engine at least 10
minutes after adding stabilizer to allow it to reach the
carburetor.
WARNING! Never store snow thrower with fuel
in tank indoors or in poorly ventilated areas,
where fuel fumes may reach an open flame,
spark or pilot light as on a furnace, water
heater, clothes dryer or gas appliance.
Long-Term Storage
To avoid engine problems, the fuel system should be
emptied before storage for 30 days or longer.
1. Run the engine until the fuel tank is empty and it stops
due to lack of fuel. Do not attempt to pour fuel from
the engine.
2. Remove the spark plug and pour one (1) ounce of
engine oil through the spark plug hole into the
cylinder. Cover spark plug hole with a rag and crank the
engine several times to distribute the oil. Replace spark
plug.
WARNING! Never use engine or carburetor
cleaning products in the fuel tank or
permanent damage may occur.
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