Komatsu PC138US-11 Operation & Maintenance Manual page 108

EXPLANATION OF COMPONENTS OPERATION
Low Fuel Level Guidance
If the operable time estimated from the current fuel level and
the latest average fuel consumption is shorter than 8 hours, the
low fuel level message is displayed.
The low fuel level message goes out more than 10 seconds af-
ter or when switch F5 is pressed.
Guidance for engine stop operation during the aftertreatment devices regenera-
tion
Immediately after starting aftertreatment devices regeneration, the information about engine stop operation dur-
ing the aftertreatment devices regeneration is displayed.
When stopping the engine during regeneration of the aftertreat-
ment devices, stop the regeneration first according to "PROCE-
DURE FOR SETTING AFTERTREATMENT DEVICES-RE-
GENERATION DISABLE (3-116)", then stop the engine after
running it at low idle for approximately 5 minutes.
The information about engine stop operation during the after-
treatment devices regeneration goes out 10 seconds later or
when switch F5 is pressed.
DEF level low error guidance
If the operable time estimated from the current DEF level and
the latest average DEF consumption is shorter than 8 hours,
the low DEF level message is displayed.
The low DEF level message goes out more than 10 seconds
after or when switch F5 is pressed.
METER DISPLAY
ENGINE COOLANT TEMPERATURE GAUGE
Engine coolant temperature gauge shows the engine coolant
temperature.
If the indicator is in green range during operations, it is normal.
When the indicator goes beyond (A) of red range during opera-
tions, the overheat prevention system is actuated.
(A) to (B): Red range
(A) to (C): Green range
(C) to (D): White range
The overheat prevention system is actuated as follows.
3-38
WENAM00111