Dixon Operator's Manual electric lawn mower Grizzly 2005 Safety And Operating Manual page 26

OPERATION INSTRUCTIONS
TESTING OF SAFETY INTERLOCK SYSTEMS:
Do not operate mower if safety switches are not
operating properly.
Your Zero Turning Radius Mower is equipped with
control interlocks for your safety.
1. The engine will not start if the mower
blades are engaged.
2. The engine will not start unless the steering
control levers are neutral "OUT" position.
3. The engine will stop if the mower blade
clutch is engaged and the operator leaves
the driver's seat.
4. The engine will stop if the park brake is ON
and the steering control levers are moved
to the "IN" position.
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