Komatsu H75051 Operation & Maintenance Manual page 174

EXPLANATION OF COMPONENTS OPERATION
(3) Multifunction mono-lever (5) Brake pedal
(4) Accelerator pedal
DIRECTIONAL LEVER
The directional lever switches the machine travel between the
forward and reverse.
The engine does not start if the directional lever is not in NEU-
TRAL position (N).
In such case, the centralized warning lamp lights up and the
alarm buzzer sounds.
Start the engine after turning the directional lever to NEUTRAL
position (N).
Position (F): FORWARD
Position (N): NEUTRAL
Position (R): REVERSE
REMARK
Do not maintain the directional lever at the intermediate position between positions (F) and (N), or between po-
sitions (N) and (R).
MULTIFUNCTION MONO-LEVER
The multifunction mono-lever is used to operate the boom and
bucket.
NOTICE
Do not use "FLOAT" position when lowering the bucket.
Use "FLOAT" for leveling work.
Position (a): RAISE
When the multifunction mono-lever is pulled further from the
"RAISE" position, the lever stops in that position.
When the remote boom positioner is enabled, the boom stops
at the preset position and the lever returns to "HOLD" position
at the same time.
When the remote boom positioner is disabled, the boom stops
at the highest position and the lever returns to "HOLD" position
at the same time.
Position (b): HOLD
The boom and bucket remain in the positions where they are stopped.
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