Komatsu WA380-8 Operation & Maintenance Manual page 176

EXPLANATION OF COMPONENTS
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- When 0 mm
ment
Tilt adjustment 0 to 129 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
• While traveling downhill, use the engine brake with the transmission cut-off function being shut off.
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 necessity. Excessive use of the brake heats it
up, degrading its function and may result in serious personal injury or death.
• Do not put your foot on the brake pedal unnecessarily.
NOTICE
Frequent braking increases the axle oil temperature. As a result, the alarm buzzer may sound and the
warning lamp may light up for protection of the brake discs. Observe the following ways of operation to
prevent the increase of the axle oil temperature.
• Try to avoid the over travel speed and sudden braking. Before depressing the brake pedal, shift
down the gear speed manually with the gear speed switch.
• Try to apply the brake on and off rather than continuously.
• Try gradual acceleration and braking rather than sudden acceleration and braking .
• When traveling downhill, use a low gear speed so that the engine braking works well.
• During loading work on a level ground, use of the cut-off brake is recommended since it cuts off the
power train.
The brake pedal is used to apply the brakes.
LEFT AND RIGHT BRAKE PEDALS
These are used to operate the wheel brake.
Use them for the normal braking.
3-112
Top to 40 mm
0 to 162 mm
k k
WARNING
OPERATION