Komatsu WA600-8 Operation & Maintenance Manual page 111

OPERATION
GUIDANCE TO AVOID HYDRAULIC RELIEF
If the hydraulic equipment is relieved for 8 seconds or more
during operation, the hydraulic relief limit message is displayed
on the machine monitor.
Stop unnecessary hydraulic relief.
The hydraulic relief limit message goes out automatically after
10 seconds.
REMARK
Hydraulic relief occurs when trying to expand/retract cylinders
further from their stroke end.
BRAKE DRAGGING PREVENTION GUIDANCE
If the accelerator pedal is depressed for more than 3 seconds
while applying the brake during traveling, the brake dragging
prevention message is displayed on the machine monitor.
If the accelerator is operated while the brake is used, fuel con-
sumption is increased.
The brake dragging prevention message goes out automatical-
ly after 10 seconds.
GUIDANCE OF ACCELERATOR PEDAL DEPRESSING LIMIT
If the accelerator pedal is depressed too much when the travel
direction is changed, guidance of accelerator pedal depressing
limit is displayed on the machine monitor.
In order to reduce fuel consumption during directional selec-
tion, try not to operate the accelerator pedal excessively.
The notification of accelerator pedal depressing limit goes out
automatically after 10 seconds.
GUIDANCE TO RECOMMEND SHIFTING UP GEAR TO 4TH
If the machine travels at a speed of 20.4 km/h or higher and at
accelerator opening of 80 % or more for 30 seconds or more
with the gear speed switch set in the 3rd position, the notifica-
tion to recommend shifting up gear to 4th is displayed on the
machine monitor.
Reduce the fuel consumption by traveling at lower engine
speed.
The notification to recommend shifting up gear to 4th goes out
under the following conditions.
• 10 seconds elapses after the notification to recommend
shifting up gear to 4th has been displayed.
• Shift up the gear speed switch to the 4th.
REMARK
The notification to recommend shifting up gear to 4th is not displayed for 2 hours after the previous display,
even if the condition for display is satisfied.
EXPLANATION OF COMPONENTS
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