Operation and maintenance manual
DX140R/DX140LCROperation
3-24
Work Levers (Joysticks) (BHL Pattern)
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 stopped.
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 mec
hanica
l malfunction but a
proper phenomenon of the excavator. When
operating the arm, it may stop momentarily. When
the arm is operated, the weight of the arm can 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".
FG004951
1
2
4
3
Figure 50
FG004952
6
5
7
8
Figure 51
FG000120
Figure 52