604466 3-5 REV D
feature. It should be repaired immediately if it malfunctions.
The machine incorporates a separate seat switch which will stop
the engine when the operator is unseated for any reason while
the mower is operating. This is a safety feature designed to
prevent runaway or accidental entanglement. To inspect the
system:
1. The operator must
be on the seat when testing the seat
switch.
2. Set
both steering control levers in the park brake position.
3. S
tart the engine and allow it to warm up to operating
temperature.
4. W
ith the deck clutch switch down and the steering
control levers in the park brake position, slowly raise off
of the seat. The engine should continue to run.
5. W
ith the deck clutch switch up and/or the steering control
levers in the neutral position, slowly raise 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 up and
the operator is off the seat, check the function of the seat
switch. If the seat switch is not operating properly (is not
opening or closing) and if the cause can not be
determined, replace the seat switch.
If the problem cannot be located, contact
your Hustler
®
Dealer.
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. S
teering control levers are in the park brake position.
2. Deck
clutch switch is in the down (OFF) position.
NOTE: The operator
’s seat is equipped with a separate
safety switch. If for any reason the operator should become
unseated when the steering control levers are not in the park
brake position (park brake switches are disengaged) or the deck
clutch switch is engaged the engine will stop.
The following steps are the correct procedures
for starting the
engine. If difficulty is encountered, contact the Hustler
®
Dealer
in your area.
1. Before s
tarting mower each day, perform daily pre-
operation checking. (See Safety Start Interlock System
section.)
2. Make sure th
e steering control levers are in the park
brake position and the deck clutch switch is disengaged.
Only start the engine from the operator’s position.
3. Use choke when
engine is cold, or if warm engine fails to
start within 5 seconds of cranking. Avoid flooding by
operating engine without choking as soon as possible.
4. Set
throttle at approximately 1/2 open position.
5. In
sert key in ignition switch and rotate full clockwise to
engage starting motor. Release key when engine starts.
IMPORTANT: The engi
ne starter should not be operated
for periods longer than 30 seconds at a time. An interval
of at least two minutes should be allowed between such
cranking periods to protect the starter from overheating
and burning-out.
6. Perform
a test to make sure the safety start interlock
system is operating properly. Refer to Safety start
Figure 3-3
Figure 3-4
Shown with steering control
levers in park brake position
The safety interlock system should always function per
steps 4 and 5. If it does not function properly, it should be
corrected immediately. Do not operate machine without a
properly functioning seat safety switch.
The safety interlock system must not be disconnected or
bypassed. Doing so could cause the machine to operate
unexpectedly resulting in personal injury.
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