Komatsu H75051, Operation & Maintenance Manual

Page: 175 / 440

Position (c): LOWER
Position (d): FLOAT
The boom moves freely under external force. When the lever is set to “FLOAT” position, the lever stops in that
position.
Position (e): TILT
When the multifunction mono-lever is pulled further from the
“TILT” position, the lever stops in that position. When the buck-
et reaches the position preset by the bucket positioner, the lev-
er returns to the “HOLD” position.
Position (f): DUMP
STEERING TILT LOCK LEVER
k k
WARNING
Stop the machine before adjusting the tilt of the steering wheel. If this operation (adjustment) is per-
formed while the machine is moving, serious personal injury or death can result.
The steering tilt lock lever is used to fix the position of the
steering wheel.
(F) FREE position:
The steering wheel is allowed to move back and forth, and up
and down.
(L) LOCK position:
The steering wheel is fixed in the position.
The adjustable range is shown below.
Vertical adjust-
ment
When 0 mm Top to 40 mm
Tilt adjustment 0 to 129 mm 0 to 162 mm
NOTICE
Do not operate the steering tilt lock lever repeatedly with an excessive force. The lever can be loosened
or its angle can be displaced. In such case, ask your Komatsu distributor for inspection.
BRAKE PEDAL
k k
WARNING
• Use the engine brake during downhill travel.
The brake pedals installed on right and left sides of the steering post provide the same function.
• Do not depress the brake pedal repeatedly more than necessary. Excessive use of the brake may
cause the heat-up of the brake degrading its function, and may result in serious personal injury or
death.
• Do not put your foot on the brake pedal unnecessarily.
OPERATION EXPLANATION OF COMPONENTS
3-109