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Section 7
ENGINE FUEL SYSTEM7.5
DANGER
To avoid injury from burns, allow the mower
to cool before removing the fuel tank cap and
refueling.
A. FILLING THE FUEL TANK
Fill the fuel tank at the beginning of each operating day. For
EPA Phase 2 (produced prior to 1/1/2011) models, fill to
within one (1) inch below the filler neck. For Low Emission
(LE) and EPA Phase 3 (produced after 1/1/2011) models,
fill to the bottom of the filler neck insert (approximately
8 gallons indicating Full (F) on the fuel gauge) at the
beginning of each operating day. See Figure 7-5. Do not
overfill. Use clean, fresh unleaded gasoline with a minimum
octane rating of 87 and a maximum of 10% Ethanol.
DO NOT use E85 Fuel. Using E85 Fuel will cause severe
damage to the engine.
E
F
1/4
1/2
3/4
.
.
..
.
FUEL LEVEL
FILLER NECK
INSERT
C.A.R.B. / EPA Phase 3 Fuel LevelFigure 7-5.
To avoid personal injury or property damage, use extreme
care in handling gasoline. Gasoline is extremely flammable
and the vapors are explosive.
Extinguish all cigarettes, cigars, pipes and other 1.
sources of ignition.
Use only an approved gasoline container.2.
Never remove the gas cap or add fuel with the 3.
engine running. Allow the engine to completely cool
before fueling.
Never fuel the machine indoors or in an enclosed 4.
trailer.
Never store the machine or fuel container where 5.
there is an open flame, spark or pilot light such as on
a water heater or other appliances.
Never fill containers inside a vehicle or on a truck 6.
or trailer bed with a plastic liner. Always place
containers on the ground away from your vehicle
before filling.
Remove the machine from the truck or trailer and 7.
fuel on the ground. If this is not possible, then refuel
the machine with a portable container, rather than
from a gasoline dispenser nozzle.
Keep the nozzle in contact with the rim of fuel tank 8.
or container opening at all times until fueling is
complete. Do not use a nozzle lock-open device.
If fuel is spilled on clothing, change clothing 9.
immediately and wash affected skin.
Replace gas cap and tighten securely. For Low 10.
Emission (LE) and EPA Phase 3 (produced after
1/1/2011) models, tighten the fuel cap until it
ratchets.
B. REPLACING IN-LINE FUEL FILTER
ELEMENTS
The engine fuel filter should be replaced after every 500
hours of operation or annually, whichever occurs first. See
Figure 7-6.
Close the shutoff valve. Remove the two clamps 1.
securing the fuel filter to the fuel hose. Remove the
fuel filter.
Install a new fuel filter. Be sure it is installed in the 2.
proper direction. Secure to the fuel hose using the
two clamps.