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16
OPERATION
4. Push the throttle control upward. If equipped with a throttle/
choke control lever, push the throttle/choke control lever past
the detent, to engage the choke.
NOTE: If the engine is warmed up, it may not be necessary to
choke the engine.
5. Turn the ignition key clockwise to the START position.
After the engine starts, release the key. It will return to the
NORMAL MOWING MODE position.
CAUTION
Do not hold the key in the START position for longer than
ten seconds at a time. Doing so may cause damage to
your engine’s electric starter.
6. For models equipped with a throttle/choke control lever:
as the engine warms up, gradually pull the throttle/choke
control lever rearward past the choke detent position. Do not
use the choke position to enrich the fuel mixture, except as
necessary to start the engine.
7. Allow the engine to run for a few minutes at mid-throttle
before putting the engine under load.
NOTE: When operating the tractor be certain that the throttle
lever is always in the FAST position.
Using Jumper Cables to Start the Engine
WARNING
Batteries contain sulfuric acid and produce explosive
gases. Make certain the area is well ventilated, wear
gloves and eye protection, and avoid sparks or flames
near the battery.
If the battery charge is not sufficient to crank the engine,
recharge the battery. If a battery charger is unavailable and
the tractor must be started, the aid of a booster battery will be
necessary. Connect the booster battery as follows:
1. Connect one end of the red cable to the disabled tractor
battery’s positive terminal; then connect the other end of
that cable to the booster battery’s positive terminal.
2. Connect one end of the black cable to the booster battery’s
negative terminal; then connect the other end of that cable
to the frame of the disabled tractor, as far from the battery
as possible.
3. Start the disabled tractor following the normal starting
instructions previously provided; then disconnect the jumper
cables in the exact reverse order of their connection.
4. Have the tractor’s electrical system checked and repaired as
soon as possible to eliminate the need for jump starting.
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) 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) lever in the
ENGAGED (ON) position, regardless of whether the parking
brake is engaged.
• With the ignition key in the NORMAL DRIVING MODE position,
the engine will automatically shut OFF if the PTO (blade
engage) lever is moved into the ENGAGED (ON) position with
the speed control in REVERSE (R) position.
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 (blade engage) lever in the ENGAGED (ON) position.
Momentarily turn the ignition switch module 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.
1. Insert the ignition key into the ignition switch module.
2. Place the PTO (blade engage) lever in the OFF position.
3. Engage the tractor’s parking brake.
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