Komatsu D475A-5E0 Operation & Maintenance Manual page 96

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OPERATION
PARKING BRAKE LEVER
When the machine is parked, always set the parking brake lever to LOCK
position (L).
This lever (5) is used to apply the parking brake.
REMARK
Before moving the parking brake lever to LOCK position (L), return the joystick (steering, directional and gear
shift lever) to N position.
When starting the engine, if the parking brake lever is not in LOCK position (L), the limit switch is actuated and
it is impossible to start the engine.
WORK EQUIPMENT LOCK LEVER
When standing up from the operator's seat, always move the work
equipment lock lever securely to LOCK position.
If the blade control and ripper control levers are not locked and are
touched by accident, it may lead to serious injury or
damage.
If the work equipment lock lever is not completely in LOCK position (L),
the lock may not be applied.
Check that it is in the position shown in the diagram.
When parking the machine or when performing maintenance, always
lower the blade or ripper to the ground, then set the work equipment
lock lever to LOCK position (L).
Lever (6) is a device to lock the blade control and ripper control levers.
When it is set to LOCK position (L), TILT, RAISE, LOWER, and FLOAT operations are locked.
REMARK
When starting the engine, to ensure safety, always set the work equipment lock lever to LOCK position (L).
WARNING
WARNING
EXPLANATION OF COMPONENTS
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