Komatsu D155A-6 Operation & Maintenance Manual page 108

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OPERATION
BRAKE PEDAL
Do not place your foot on this pedal unnecessarily.
Depress the pedal (3) to apply the right and left brakes.
DECELERATOR PEDAL
Do not rest your foot on the pedal if you are not using it.
When passing over the top of a slope or when dumping soil from a cliff,
the load on the machine will suddenly be reduced and the travel speed
will increase. This situation is dangerous, so use the decelerator pedal
to reduce the travel speed of the machine
Pedal (4) is used when reducing engine speed or stopping the
machine.
When switching between forward and reverse, or when stopping
the machine, use this pedal to reduce speed.
PARKING BRAKE LEVER
When parking the machine, always set the parking brake lever to the LOCK
position.
This lever (5) is used to apply the parking brake.
REMARK
Before moving the parking brake lever to the LOCK position,
return the steering, directional, and gearshift lever to the N
position.
When starting the engine, if the parking brake lever is not in the
LOCK position, the limit switch is actuated and it is impossible
to start the engine.
WARNING
WARNING
WARNING
EXPLANATION OF COMPONENTS
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