Table of Contents
Advertisement
Work Levers (Joysticks) (ISO Style)
Check surrounding area before swinging. When operating a
lever while in auto idle, do it carefully, because the engine
speed will increase rapidly.
NOTE:
When starting work, move work levers (joysticks) slowly
and check movement of swing and front attachment.
This equipment is manufactured using the lever configuration
described in ISO standards. Do not change valving, hoses, etc., that
would change this standard. The boom, arm and bucket movements
and swing direction of work levers (joysticks) are as follows:
Left-hand Work Lever (Joystick) (Figure 44 and Figure 45)
1.
Arm dump
2.
Arm crowd
3.
Left swing
4.
Right swing
NOTE:
The swing brake is spring applied and
hydraulically released. It is always engaged
when the work lever (joystick) is in "NEUTRAL"
or the engine is shut down.
NOTE:
The following is not a mechanical malfunction
but a proper phenomenon of the excavator.
When
momentarily. When the arm is operated, the
weight of the arm may cause it to move faster
than the amount of oil being supplied.
Right-hand Work Lever (Joystick) (Figure 44 and Figure 47)
5.
Boom down
6.
Boom up
7.
Bucket crowd
8.
Bucket dump
NOTE:
Even after stopping the engine, the front can be
lowered to the ground by operating work lever
(joystick), by setting safety lever on "UNLOCK"
position and turning starter switch "ON".
Operation
3-22
WARNING
operating
the
arm,
Figure 44
1
Figure 45
it
may
stop
Figure 46
8
Figure 47
1
5
3
4
7
6
2
2
5
7
8
FG000381
4
3
FG015780
FG015781
6
FG015782
OP001122
Advertisement
Chapters
Table of Contents
