Doosan DX140LC, Operation And Maintenance Manual

Page: 160 / 297

OP000598 Operation
3-24
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."
Change Machine Control Pattern by Select
Valve (If Equipped)
NOTE: When starting work, move work levers (joysticks)
slowly and check movement of swing and front
attachment.
The machine control pattern can easily be changed to the ISO
standard or to the standard backhoe loader hydraulic system
(BHL) by changing the position of the select valve (if equipped).
Use the following procedure to change the position of the select
valve.
The select valve is located in the rear of the cabin.
1. Rotating spool to the ISO position or to the BHL position.
(Figure 49)
FG000121
6
5
7
8
Figure 47
FG000381
1 5
2 6
4
3 8
7
Figure 48
WARNING!
Check surrounding area before swinging. When operating a
lever while in auto idle, do it carefully, because the engine
speed will increase rapidly.
<ISO PATTERN>
BHL
ISO
<BHL PATTERN>
BHL
ISO
FG004954
Figure 49