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Craftsman 316.794791 Operator's Manual page 8

2-cycle backpack blower
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OIL AND FUEL MIXING INSTRUCTIONS
Old and/or improperly mixed fuel are the main reasons for the unit
not running properly. Be sure to use fresh, clean unleaded fuel.
Follow the instructions
carefully for the proper fuel/oil mixture.
Definition
of Blended
Fuels
Today's fuels are often a blend of gasoline and oxygenates such as
ethanol, methanol, or MTBE (ether). Alcohol-blended
fuel absorbs
water. As little as 1% water in the fuel can make fuel and oil
separate. It forms acids when stored. When using alcohol-blended
fuel, use fresh fuel (less than 60 days old).
Using Blended
Fuels
If you choose to use a blended fuel, or its use is unavoidable,
follow recommended
precautions:
• Always use the fresh fuel mix explained in your operator's
manual
• Always agitate the fuel mix before fueling the unit
• Drain the tank and run the engine dry before storing the unit
Using Fuel Additives
CAUTION:
For proper engine operation and maximum
reliability, pay strict attention to the oil and fuel mixing
instructions on the 2-cycle oil container. Using improperly
mixed fuel can severely damage the engine.
The bottle of 2-cycle oil that came with your unit contains a fuel
additive which will help inhibit corrosion and minimize the formation
of gum deposits. It is recommended
that you use our 2-cycle oil
with this unit. If unavailable, use a good 2-cycle oil designed for
air-cooled engines along with a fuel additive, such as STA-BIL®
Gas Stabilizer or an equivalent. Add 0.8 oz. (23 ml.) of fuel additive
per gallon of fuel according to the instructions
on the container.
NEVER add fuel additives directly to the unit's fuel tank.
Thoroughly mix the proper ratio of 2-cycle engine oil with unleaded
gasoline in a separate fuel can. Use a 40:1 fuel/oil ratio. Do not mix
them directly in the engine fuel tank. See the table below for
specific gas and oil mixing ratios.
NOTE:
One gallon (3.8 liters) of unleaded gasoline mixed with one
3.2 oz. (95 ml.) bottle of 2-cycle oil makes a 40:1 fuel/oil
ratio.
NOTE:
Dispose of the old fuel/oil mix in accordance
to Federal,
State and Local regulations.
I
I
UNLEADED
GAS
2-CYCLE
OIL
1 GALLON US
3.2 FL. OZ.
(3.8 LITERS)
(95 ml)
1 LITER
25 ml
MIXING RATIO - 40:1
WARNING:
Gasoline is extremely flammable.
Ignited I
vapors may explode. Always stop the engine and allow I
it to cool before filling the fuel tank. Do not smoke while I
filling the tank. Keep sparks and open flames at a
I
distance from the area.
J
WARNING:
Add fuel in a clean, well ventilated
outdoor area. Wipe up any spilled fuel immediately.
Avoid creating a source of ignition for spilt fuel. Do not
start the engine until fuel vapors dissipate.
FUELING THE UNIT
I ,_
I WARNING:
Remove fuel cap slowly to avoid injury
from fuel spray. Never operate the unit without the fuel
cap securely in place.
1.
Remove the fuel cap.
2.
Place the gas container's spout into the fill hole on the fuel
tank (Fig. 10) and fill the tank.
f
m_
.q::
Gas Can
Spout
Fuel Tank
Fig. 10
NOTE:
Do not overfill the tank.
3.
Wipe up any fuel that may have spilled.
4.
Reinstall the fuel cap.
5.
Move the unit at least 30 ft. (9.1 m) from the fueling source
and site before starting the engine.
NOTE:
Dispose of any old fuel mixture in accordance
to Federal,
State and Local regulations.
8

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