Komatsu H75051 Operation & Maintenance Manual page 271

OPERATION
1.
Release the accelerator pedal (1), then depress the brake
pedal (2) to stop the machine.
The machine stops.
2.
Set the directional lever (3) in NEUTRAL position (N).
3.
Set the parking brake switch (4) to ON position (A) to apply
the parking brake.
4.
Operate the multifunction mono-lever (5) to lower the
bucket.
5.
Check that the multifunction mono-lever (5) is in "HOLD"
position.
6.
Press the work equipment lock switch (6) and lock the
work equipment (the pilot lamp in the switch is lit).
MACHINE OPERATIONS AND CONTROLS
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