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CAUTION
This machine produces sound levels in
excess of 85 dBA at the operator's ear and
can cause hearing loss through extended
periods of exposure.
Wear hearing protection when operating this
machine.
Use protective equipment for your eyes, ears, hands,
feet, and head.
Figure 10
1. Wear safety glasses.
Understanding the
Safety-Interlock System
WARNING
If the safety-interlock switches are
disconnected or damaged, the machine could
operate unexpectedly, causing personal
injury.
• Do not tamper with the interlock switches.
• Check the operation of the interlock
switches daily and replace any damaged
switches before operating the machine.
The safety-interlock system is designed to prevent the
engine from starting unless:
•
The blades are disengaged.
•
The motion-control levers are in the P
The safety-interlock system also is designed to stop
the engine whenever the control levers are out of the
P
position and you rise from the seat.
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2. Wear hearing protection.
position.
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Testing the Safety-Interlock
System
Test the safety-interlock system before you use the
machine each time. If the safety system does not
operate as described below, have an Authorized
Service Dealer repair the safety system immediately.
1.
While sitting on the seat, with the control levers
in the P
position, and move the blade-control
ARK
switch to the O
engine; the engine should not crank.
2.
While sitting on the seat, move the blade-control
switch to the O
control lever to the center, unlocked position. Try
starting the engine; the engine should not crank.
Repeat with the other motion-control lever.
3.
While sitting on the seat, move the blade
control switch to the O
motion-control levers in the P
the engine. While the engine is running, engage
the blade-control switch, and rise slightly from
the seat; the engine should stop.
4.
While sitting on the seat, move the blade-control
switch to the O
motion-control levers in the P
the engine. While the engine is running, move
the motion-control levers to the center, unlocked
position, engage the blade-control switch, and
rise slightly from the seat; the engine should
stop.
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position. Try starting the
N
position. Move either motion
FF
position, and lock the
FF
position. Start
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position, and lock the
FF
position. Start
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