Komatsu H75051, Operation & Maintenance Manual

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4.
Set the directional selector switch (2) to FORWARD (F) or
REVERSE (R) position.
REMARK
When shifting the directional lever (1) to FORWARD (F) or REVERSE (R) position while the directional se-
lector switch actuation switch (3) is in ON position, the machine travels forward or in reverse in accordance
with the directional lever (1) regardless of the position of the directional selector switch (2).
(The operation of the directional lever is given priority.)
When using the directional selector switch (2) again, set the directional lever (1) and the directional selector
switch (2) to NEUTRAL (N) position.
The switch and the lever are in the following condition
when the directional selector pilot lamp on the machine
monitor lights up in yellow. Set them to the proper posi-
tions.
• When the directional lever (1) is not in NEUTRAL (N)
position
The directional selector pilot lamp lights up in yellow,
the centralized warning lamp lights up, and the alarm
buzzer start sounding intermittently at the same time.
In this condition, the machine travels forward and re-
verse in accordance with the directional lever (1) posi-
tion. Set the directional lever (1) to NEUTRAL (N) position.
• When the directional selector switch (2) is in FORWARD (F) or REVERSE (R) position when starting
the engine.
The directional selector pilot lamp lights up in yellow, the centralized warning lamp lights up, and the
alarm buzzer start sounding intermittently at the same time. The engine does not start under this condi-
tion. Set the directional selector switch (2) to NEUTRAL (N) position.
METHOD FOR STOPPING MACHINE
k k
WARNING
• Stop the machine gradually. Avoid a sudden stop.
• Do not park the machine on a slope. If it is unavoida-
ble to place the machine on a slope, place the machine
at a right angle to the slope face, chock the tires, and
then lower the bucket to the ground.
• If the multifunction mono-lever is touched by accident,
the work equipment or machine may move suddenly,
and it may cause a serious accident. Before leaving
the operator's seat, be sure to lock the work equip-
ment by pressing the work equipment lock switch (the
pilot lamp lights up).
• Keep depressing the brake pedal until the parking
brake pilot lamp lights up on the machine monitor
even when the parking brake switch has been turned
on.
MACHINE OPERATIONS AND CONTROLS OPERATION
3-188