Komatsu D155A-6 Operation & Maintenance Manual page 107

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EXPLANATION OF COMPONENTS
JOYSTICK (STEERING, DIRECTIONAL AND GEAR SHIFT LEVER)
(PCSS lever)
Lever (2) is used to switch direction of travel and to steer the
machine.
REMARK
PCCS: Palm command control system
Forward-reverse shifting
Position (a): FORWARD
Position (b): REVERSE
Position N: Neutral
Move to the front to drive forward; move to the rear to drive in
reverse.
Steering
Position (L): Left turn
Position (R): Right turn
With the lever moved to the front or rear, operate the lever partially to the left or right to turn the machine. The
machine will turn gradually in the same direction as the lever is operated.
If the lever is moved fully to the left or right, the machine will turn in a small radius.
REMARK
If the lever is released when steering the machine, the lever will return to the (a) position or the (b) position and the
machine will be returned to straight movement.
Gear shifting
When the joystick (steering, direction, and gearshift lever) is in the
FORWARD or REVERSE position, press switch (c) or (d) to shift
the transmission.
up switch (c): Each time the switch is pressed, the transmission
shifts up one speed range.
down switch (d): Each time the switch is pressed, the transmission
shifts down one speed range.
For details of the maximum travel speed in each speed range, see
"SPECIFICATIONS (PAGE 5-2)".
REMARK
When the transmission is shifted, the speed range being used is displayed on the display panel on the monitor
panel.
Example:
Neutral: N is displayed on the display panel.
FORWARD 2nd: F2 is displayed on the display panel.
REVERSE 3rd: R3 is displayed on the display panel.
When the parking lever is locked, P is displayed.
For details of the gearshift operation using the shift mode, see "SHIFTING GEAR (PAGE 3-128)". Shift mode
selection means the operation to set the selected speed range beforehand in the N position.
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OPERATION

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