Komatsu D375A-8, Operation & Maintenance Manual

Page: 164 / 466

DECELERATOR PEDAL
k k
WARNING
• When passing over the top of a slope or when dump-
ing soil from a cliff, the load on the machine will sud-
denly be reduced and the travel speed will increase. In
this case, depress the decelerator pedal to reduce the
travel speed.
The decelerator pedal is used to reduce the engine speed or
stop the machine.
When changing the travel direction or stopping the machine,
depress the decelerator pedal to reduce the travel speed in advance.
RIPPER CONTROL LEVER
The ripper control lever is used for operating the ripper.
(a) RAISE
(b) HOLD: Ripper is stopped and held in this position.
(c) LOWER
Toggle switch
(A) Decrease cutting angle: Cutting angle (α) is decreased.
(B) Increase cutting angle: Cutting angle (α) is increased.
Ripper auto-return
This function controls the position of ripper point to the ripping posture automatically. Since the operator does
not need to keep tilting the lever or holding down the switch, he/she is less fatigued.
EXPLANATION OF COMPONENTS OPERATION
3-106