HUSTLER SmoothTrak X-ONE, Operator'S Manual, Page: 145 / 452

606528CE 4-3 REV B
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• purge valves
• liquid/vapor separator
• other associated components
The fuel tanks are located in the mower’s fenders.
Park the mower on level ground before filling the fuel tank.
Clean the area around the fuel cap before removing the
cap. Remove the fuel cap slowly.
When threading the fuel cap onto the filler neck, tighten the
cap until it begins to click, then, continue to turn it until at
least three clicks are heard.
IMPORTANT: Do not overfill the fuel tanks. The fuel tanks
should be filled no higher than the bottom of the fill neck.
(Figure 4-4)
The fuel system is designed to leave room for the
fuel to expand with fuel temperature changes.
Use regular unleaded gasoline with an octane rating of 87
or higher. Maximum of 10% ethanol (E10) in fuel. Fuels with
greater than 10% ethanol (such as E15, E20 and E85) voids
warranty. Fuels with greater than 10% ethanol are not
approved for use and such illegal use could cause equipment
failure and pose a fire hazard.
Refer to the Engine Owner’s Manual for additional fuel spec-
ification requirements.
Fuel Shut-off Valve
A fuel shut-off valve is located on each mower. The loca-
tion and operation 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. Figure 4-5
Fuel Evaporation System Filter
These mowers have a fuel evaporation system filter. This
filter must be checked and replaced every 500 hours or annu-
ally whichever comes first. Figure 4-6 & Figure 4-7
A. Dipstick cap
B. Hydraulic resevoir
C. Hydraulic filter
Figure 4-3
Use of replacement parts not equivalent to the
original parts may result in system failure and
pose a safety hazard.
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C
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Overfilling the fuel tank may cause the following:
• Engine damage
• Fire hazard!
A. Filler neck B. Fuel tank
Figure 4-4
WAR
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Fill to the bottom of the filler neck
Maximum
Do Not
Overfill
A
B