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Fuel system
DANGER: Observe usual fuel handling precautions:
Do not smoke while refueling. Extinguish all cigarettes, cigars,
pipes andother sources of ignition.
Do not remove fuel cap or fill tank with engine running or
while engine is hot. Clean up any gasoline spills.
Allow engine to cool before storing machine inside a building.
Keep fuel away from open flame or spark and store machine
away from open flame or spark or pilot light such as on a water
heater or other appliances.
Use extreme care when handling gasoline and other fuels.
They are extremely flammable and vapors are explosive. A fire
or explosion from gasoline can burn you and others and can
damage property.
Never refuel or drain the fuel from the machine indoors.
Never attempt to start engine when there is a strong odor of
gasoline fumes present. Locate and correct cause.
Store gasoline in an approved container and keep it out of the
reach of children. Never buy more than a 30 day supply of gas-
oline.
Always place gasoline containers on the ground away from
your vehicle before filling.
Do not fill gasoline containers inside a vehicle or on a truck or
trailer bed with interior carpets or plastic truck bed liners.
Always place gasoline containers on the ground away from
your vehicle before filling.
When practical, remove gas-powered equipment from the truck
or trailer and refuel the equipment with its wheels on the
ground. If this is not possible, then refuel such equipment on
the truck or trailer using a portable container and not a gasoline
dispenser nozzle. If a gasoline dispenser nozzle must be used,
keep the nozzle in contact with the rim of the fuel tank or con-
tainer opening at all times until fueling is complete. Do not use
a nozzle lock-open device.
Read and observe safety precautions elsewhere in this manual.
WARNING: Gasoline is harmful or fatal if swallowed.
Long-term exposure to vapors can cause serious injury and ill-
ness.
Avoid prolonged breathing of vapors.
Keep face away from nozzle and gas tank or fuel container
opening.
Keep gas away from eyes and skin.
If fuel is spilled on clothing, change clothing immediately.
The fuel tanks are located in the tractor’s fenders.
Use regular unleaded gasoline with an octane rating of 87 or higher.
IMPORTANT: Never use methanol, gasoline containing methanol, or gaso-
hol containing more than 10% ethanol because the fuel system could be dam-
aged. Do not mix oil with gasoline.
A fuel shut-off valve is located on each tractor. The location and opera-
tion of the fuel valve will vary depending upon the unit. Close the fuel valve
to prevent fuel flow to the engine. The valve’s two other positions will allow
fuel to be drawn from either one or the other fuel tank. 4-3
IMPORTANT: Do not overfill the fuel tanks. The fuel tanks should be
filled no higher than 2” (5.08 cm) below the tank’s fill neck.
Engine oil and filter
Check engine oil daily and after every 4 hours of operation. Tractor must
be setting level when checking oil. Refer to engine manual and maintenance
schedule for oil recommendation and capacities.
Change the engine oil and filter after the first 5 hours of operation, per the
engine manufacturer’s recommendations after that. If tractor is being oper-
ated in extremely dirty conditions, then it is recommended oil be changed
more frequently. IMPORTANT: When removing the oil filter take precau-
tions to minimize oil spillage on the exhaust system.
Attach the oil drain hose, furnished with the unit, to the oil drain valve
when draining the engine oil. Oil drain hose must be removed after oil is
drained. IMPORTANT: All oil drips or spills must be cleaned off of the
exhaust system before operating the machine. Fig. 4-5
Engine air filter
Perform engine air filter maintenance per the Service Interval chart
shown elsewhere in this manual.
A specially designed dry filter is standard equipment on these tractors
and supplies clean combustion air to the engine. Fig. 4-5
These units are equipped with a safety filter. The filter element slides
over the safety filter.
NOTE: The safety filter does not require servicing unless it becomes
contaminated with dirt or moisture.
Recommended service procedure
1. Release clamps and remove element. Clean the canister with a damp
cloth.
2. Before installing a new element, inspect it by placing a bright light inside
and rotate the element slowly, looking for any holes or tears in the paper.
Also check gaskets for cuts or tears. Do not attempt to use a damaged
element which will allow abrasive particles to enter the engine.
3. Reinstall the dust cup. Make sure it seals all the way around the air
cleaner body, then tighten the clamps.
4. Check all fittings and clamps periodically for tightness and inspect hoses
for holes or cracks.
5. Periodically check the intake hose for signs of ingested dust. Locate and
repair the source of ingested dirt.
6. Never operate a machine without an air filter installed.
Overservicing
Overservicing occurs when an air filter element is removed for cleaning
or replacement before it is necessary. Each time the filter is removed a small
amount of dirt and dust could fall in the intake system. This accumulated dirt
Figure 4-3
Right fuel
tank position
Left fuel tank
position
Figure 4-4
Oil drain hose
Oil drain valve