Komatsu H75051 Operation & Maintenance Manual page 162

EXPLANATION OF COMPONENTS
Position (B)
The rearview monitor becomes darker.
PARKING BRAKE SWITCH
When parking or leaving the machine, always apply the parking brake.
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.
NOTICE
• Do not use the parking brake switch during traveling except for an emergency. The parking brake
may be damaged and a serious accident may result. Stop the machine, and then apply the parking
brake.
• If the parking brake was used as a secondary brake when the machine was traveling at high speed,
ask your Komatsu distributor for inspection of the parking brake system.
The parking brake switch is used to apply the parking brake.
Position (A): ON (actuated); The parking brake is applied, and
the parking brake pilot lamp lights up on the monitor.
Position (B): OFF (released); The parking brake is released.
REMARK
• When the parking brake has been applied, the machine
does not move even if the directional lever is operated.
• When the directional lever is shifted to F (forward) or R (re-
verse) position while the parking brake is applied, the cen-
tralized warning lamp lights up and the alarm buzzer
sounds.
• Start the engine after turning the parking brake switch to
ON position.
FRONT WIPER SWITCH
If rotary switch (E) of the front wiper switch is rotated, the front
windshield wiper operates.
If push button (F) is pressed, washer fluid is sprinkled on the
front window glass while the push button is held down.
The switch position can be checked by the position of round
mark (G).
Position (A): (OFF) Wiper is stopped.
Position (B): (INT) Wiper moves intermittently.
Position (C): Wiper moves at low speed.
Position (D): Wiper moves at high speed.
3-96
k k
WARNING
OPERATION