Komatsu WA380-8 Operation & Maintenance Manual page 105

OPERATION
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 with the
gear speed switch set in the 3rd position, the notification of rec-
ommendation to shift up the gear to the 4th is displayed on the
monitor.
Reduce the fuel consumption by traveling at lower engine
speed.
• The notification of recommendation to shift up the gear to
4th goes out automatically after 10 seconds.
• It goes out by shifting up the gear speed switch to the 4th.
• This notification is not displayed for 2 hours after the previous display, even if the condition for display is
satisfied.
LOCKUP RECOMMENDATION GUIDANCE
If the machine travels at a speed of 11.5 km/h or higher and at
accelerator opening of 80 % or more for 20 seconds with the
lockup switch OFF, the notification of lockup recommendation
is displayed on the monitor.
Reduce the fuel consumption by selecting the direct drive.
• The notification of lockup recommendation goes out auto-
matically after 10 seconds.
• This notification goes out when the lockup switch is turned
ON.
• This notification is not displayed for 2 hours after the previ-
ous display, even if the condition for display is satisfied.
LONG-TIME DIGGING PREVENTION GUIDANCE
If the digging state is continued for 8 seconds, the notification
of excessive digging limit is displayed on the monitor.
Avoid long-time digging to reduce the fuel consumption.
The notification of excessive digging limit goes out automatical-
ly after 10 seconds.
DEF LOW LEVEL GUIDANCE
At 15 seconds after the starting switch is turned to ON position and the standard screen is displayed, if the oper-
able time estimated from current DEF level and the latest average DEF consumption is shorter than 8 hours,
DEF Level Low Error guidance is displayed.
EXPLANATION OF COMPONENTS
3-41