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B. Deck lift pedal
Figure 3-6
Safety Start Interlock System
The mower's safety start interlock system consists of the
park brake switches, seat switch, and deck clutch switch.
IMPORTANT:
Repair this important safety feature
immediately if it malfunctions.
This safety feature prevents mower runaway or accidental
entanglement during operation.
Check the mower's safety start interlock system daily,
prior to operation.
To inspect the system:
1. Sit on the seat when testing the seat switch.
2. Set both steering control levers in the park brake
position.
3. Start the engine and allow it to warm up to operating
temperature.
4. With the deck clutch switch down and the steering
control levers in the park brake position, slowly rise off
of the seat. The engine should continue to run.
5. With the deck clutch switch up and/or the steering
control levers in the neutral position, slowly rise off of
the seat. The engine should stop.
6. If the engine fails to stop when:
• the deck clutch switch is up, or
• one or both of the steering control levers is in the
up (out of neutral position), and
• the operator is off the seat, then
• check the function of the seat switch. Replace
the seat switch if it is not operating properly (is
not opening or closing) and if the cause can not
be determined.
608622
B
If you cannot locate the problem contact your Hustler
Dealer.
The safety interlock system should always
function per steps 4 and 5. If it does not function
properly, correct it immediately. Do not operate
machine without a properly functioning seat
safety switch.
Engine Starting
The mower's safety start interlock system is also designed
to protect the operator and others from accidental injury due
to unintentional engine starting. The engine starting motor
will not engage until:
1. Steering control levers are in the park brake position.
2. Deck clutch switch is in the down (OFF) position.
The
safety
disconnected or bypassed. Doing so could cause
the machine to operate unexpectedly resulting in
personal injury.
Start the engine by following these steps. If you encounter
difficulty, contact your Hustler
1. Make sure the steering control levers are in the park
brake position and the deck clutch switch is
disengaged. Start the engine from the operator's
position only.
2. Use the choke, if the unit is equipped with one, when
the engine is cold, or if a warm engine fails to start
within 5 seconds of cranking. Avoid flooding by
operating the engine without choking as soon as
possible.
3. Set the throttle at approximately the 1/2 open
position.
4. Insert the key in the ignition switch and rotate it
clockwise to engage the starting motor. Release the
key when the engine starts.
IMPORTANT: The engine starter should not be
operated for periods longer than 30 seconds at a time.
At least two minutes between such cranking periods to
protect the starter from overheating and burning-out.
5. Kohler EFI engines only — As soon as the engine begins
to run, check to make certain all engine warning lights
are off. If not, stop the engine immediately and check
for the cause.
6. Perform the test shown in the Safety Start Interlock
System section to make sure the safety start interlock
system operates properly.
3-3
interlock
system
must
Dealer.
®
®
not
be
REV A
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