Shifting Gear - Komatsu D155A-6 Operation & Maintenance Manual

OPERATION

SHIFTING GEAR

The machine does not have to be stopped to shift gears.
1. Move steering, forward-reverse, gear shift lever (1) to the
desired gear position to shift gears.
GEAR SHIFTING
The transmission speed will change when switch (a) or switch
(b) is pushed.
Up switch (a): Each time switch is pressed, transmission speed
shifts up one speed
Down switch (b): Each time switch is pressed, transmission
speed shifts down one speed
When the lever is moved to the forward (to set to FORWARD) from the N position, the transmission shifts to F1.
If the UP switch is pressed once when the transmission is in F1, the transmission shifts to F2.
If the UP switch is pressed once when the transmission is in F2, the transmission shifts to F3.
If the DOWN switch is pressed once when the transmission is in F3, the transmission shifts to F2.
If the DOWN switch is pressed once when the transmission is in F2, the transmission shifts to F1.
When the lever is moved to the rear (to set to REVERSE) from the N position, the transmission shifts to R1.
If the UP switch is pressed once when the transmission is in R1, the transmission shifts to R2.
If the UP switch is pressed once when the transmission is in R2, the transmission shifts to R3.
If the DOWN switch is pressed once when the transmission is in R3, the transmission shifts to R2.
If the DOWN switch is pressed once when the transmission is in R2, the transmission shifts to R1,
For details of the maximum speed in each speed range, see "SPECIFICATIONS (PAGE 5-2)".
REMARK
The speed range in use is displayed on the panel display according
to the gearshift operation.
For example:
Neutral: N is displayed on the display panel A (2)
FORWARD 2nd: F2 is displayed on the display panel A (2)
REVERSE 3rd: R3 is displayed on the display panel A (2)
When the parking brake lever is locked, P is displayed.
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OPERATION