Komatsu PW130ES-6K Operation & Maintenance Manual page 263

INTRODUCTION OF ATTACHMENTS AND EXTENDING MACHINE SERVICE LIFE
When the lever in this position, the upper structure and the arm
will be retained in the position in which they stop.
RIGHT WORK EQUIPMENT CONTROL LEVER (with
auto-deceleration device)
If an lever is operated when in the deceleration range, the
engine speed will suddenly increase, so be careful when
operating the levers.
This lever is used to operate the boom and bucket.
Boom operation
(1) RAISE
(2) LOWER
When the lever in this position, the boom and the bucket will be
retained in the position in which they stop.
For levers (2), (3) and (4), the engine speed changes as follows
because of the auto-deceleration mechanism.
When the travel lever and work equipment control levers are
G
at neutral, even if the fuel control dial is above the mid-range
position, the engine speed will drop to a mid-range speed. If
any of the levers are operated, the engine speed will rise to
the speed set by the fuel control dial.
If all control levers are set to neutral, the engine speed will
G
drop by approx. 100 rpm, and after approx. 4 seconds, the
engine speed will drop to the deceleration speed (approx.
1400 rpm).
ARM ROTATION CONTROL
The switches on the front of the right control levers control arm
rotation.
(1) Press the left button to rotate the arm anticlockwise facing the
ground.
(2) Press the right button to rotate the arm clockwise facing the
ground.
When neither switch is pressed the arm is stopped and held in
position.
262
WARNING
Bucket operation
(3) DUMP
(4) CURL
N (Neutral)
OPTIONS, ATTACHMENTS
AM089570A