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Work Levers (Joysticks) (BHL Style)
Left-hand Work Lever (Joystick) (Figure 48 and Figure 50)
1.
Boom down
2.
Boom up
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.
Right-hand Work Lever (Joystick) (Figure 48 and Figure 51)
5.
Arm dump
6.
Arm crowd
7.
Bucket crowd
8.
Bucket dump
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.
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
3-24
operating
the
arm,
Figure 50
5
8
it
may
stop
Figure 51
Figure 52
2
1
6
7
OP001122
4
3
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FG015854
FG015781
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