Komatsu D31EX-21, Operation & Maintenance Manual, Page: 68 / 256

EXPLANATION OF COMPONENTS
OPERATION
3-16
QUICK SHIFT MODE
The travel speed is set to the travel speed that matches the general operating load. Operation is easy: each time
the shift switch on the steering, directional, and gearshift lever is pressed, the speed switches 1st
↔
2nd
↔
3rd.
q
Each time the UP switch on the steering, directional, and
gearshift lever is pressed, the speed switches 1st
→
2nd or
2nd
→
3rd.
q
Each time the DOWN switch on the steering, directional,
and gearshift lever is pressed, the speed switches 3rd
→
2nd or 2nd
→
1st.
q
Direction of travel (E) and speed range (F) are displayed
on the speed range display in the middle.
(E) F: FORWARD
R: REVERSE
N: Neutral
P: Parking lever is at LOCK position
(F) 1: 1st
2: 2nd
3: 3rd
Example: F1 is displayed for FORWARD 1st
q
Bar graph (G) around the outside circumference does not light up.
q
When the starting switch is turned from the OFF position to the ON position, the speed range is set by default
to 1st.
UP
DOWN