Komatsu D51EX-24, Operation & Maintenance Manual

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When the time until engine power deration starts is less than 1 hour
“DEF refill caution will appear soon.” is displayed.
DEF low level guidance goes out in more than 15 seconds or when switch F5 is pressed.
Add DEF to the DEF tank before engine power is to be derated.
Guidance for engine stop operation during the aftertreatment devices regenera-
tion
Immediately after starting aftertreatment devices regeneration,
the information about engine stop operation during the after-
treatment devices regeneration is displayed on the machine
monitor.
The guidance for engine stop operation during regeneration of
the aftertreatment devices goes out 10 seconds later or when
switch F5 is pressed.
SPEED RANGE DISPLAY
The speed range display section indicates the following infor-
mation.
Bar graph (A): Lights up in accordance with the set speed in
forward.
Bar graph (B): Lights up in accordance with the set speed in re-
verse.
(C): The travel speed range of the machine (“F1” for FOR-
WARD 1st, “R2” for REVERSE 2nd) is displayed.
In variable shift mode, the speed range is not displayed.
(D): The gear shift mode is displayed.
(E): Pedal mode is displayed.
In gear shift mode, quick shift mode and variable shift mode
are available.
(F): Quick shift mode
(G): Variable shift mode
OPERATION EXPLANATION OF COMPONENTS
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