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18
OPERATION
WARNING
Never fill the fuel tank when the engine is running. If the
engine is hot from recently running, allow to cool for at
least five minutes before refueling. Highly flammable
gasoline could splash onto the engine and cause a fire.
N. STORAGE TRAY
The storage tray is located to the left of the operator’s seat.
O. CUP HOLDER
The cup holder is located to the left of the operator’s seat.
P. DIFFERENTIAL LOCK PEDAL IF EQUIPPED
Activating the differential lock increases traction by maintaining
equal wheel speed on the rear tires. See Using the Differential
Lock (If equipped) section for more information on using the
differential lock.
Q. SEAT ADJUSTMENT LEVER
The seat adjustment lever allows for adjustment forward or
backward of the operator’s seat. Refer to the Set-Up section for
instructions on adjusting the seat position.
HEADLIGHTS NOT SHOWN
On turn-key tractors the lights are ON whenever the ignition key
is rotated out of the STOP position. The lights turn OFF when the
ignition key is moved to the STOP position.
On PBS tractors the lights are ON whenever the PBS module is
on. Headlights can be activated for 15 seconds without being on
the seat by pressing the ignition key once. To keep the headlights
active you can sit in the seat or start/run the engine.
OPERATION
Before Operating Your Tractor
• Before operation, refer to the Maintenance Schedule chart
located in this manual for regularly scheduled service items.
• This engine is certified to operate only on clean, fresh,
unleaded gasoline. Fill only with clean, fresh, unleaded
gasoline with a pump sticker octane rating of 87 or higher.
• Do not use gasoline left over from the previous season, to
minimize gum deposits in the fuel system.
• Gasohol (up to 10% ethyl alcohol, 90% unleaded gasoline by
volume) is an approved fuel. Other gasoline/alcohol blends
are not approved.
• Methyl Tertiary Butyl Ether (MTBE) and unleaded gasoline
blends (up to a maximum of 15% MTBE by volume)
are approved fuels. Other gasoline/ether blends are
not approved.
Safety Interlock System
WARNING
Do not operate the tractor if the safety interlock system
is malfunctioning. This system was designed for your
safety and protection.
This tractor is equipped with a safety interlock system for
the protection of the operator. If the safety interlock system
should ever malfunction, do not operate the tractor. Contact an
authorized service dealer.
• The safety interlock system prevents the engine from
cranking or starting unless the parking brake is engaged
or the operator is in the seat and the brake pedal is fully
depressed, with the PTO (blade engage) switch or PTO (blade
engage) lever in the disengaged (OFF) position.
• The engine will automatically shut off if the operator leaves
the seat before engaging the parking brake.
• The engine will automatically shut off if the operator leaves
the tractor’s seat with the PTO (blade engage) switch or
PTO (blade engage) lever in the ENGAGED (ON) position,
regardless of whether the parking brake is engaged.
• With the ignition key in the NORMAL MOWING MODE position,
the electric PTO (blade engage) clutch will automatically shut
off if the PTO (blade engage) switch or PTO (Blade engage)
lever is moved into the engaged (ON) position with the drive
pedal in position for reverse travel.
Checking The Safety Interlock Circuits
Periodically check the safety interlock circuits to ensure they are
working properly. If a safety circuit is not working as designed,
contact your authorized service dealer to have the tractor
inspected. Do not operate the tractor if any safety circuit is
not functioning properly. To check the safety circuits, proceed
as follows:
1. With the engine off and sitting in the seat, place the PTO
control (PTO (Blade engage) switch or PTO (Blade engage)
lever) to the ENGAGED (ON) position. Momentarily turn the
ignition switch to the START position; the engine should
not crank.
2. With the tractor running, and the parking brake not engaged;
lift upward from the operator’s seat. The engine should stop.
3. With the parking brake engaged, engage the PTO. Lift
upward from the operator’s seat; the engine should stop.
Starting The Engine
CAUTION
The operator should be sitting in the tractor seat when
starting the engine.
Continue for turn-key ignitions, skip ahead to the PBS Ignition
section for push-button start ignitions.
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