Doosan DX140LC, Operation And Maintenance Manual

Page: 176 / 297

OP000598 Operation
3-40
Shear Pedal Valve (Optional)
Activating Shear with Pedal Valve
1. Select shear with the selector switch of the right panel.
2. Two-way operation is possible by rocking the pedal back
and forth between positions (1 and 2, Figure 87). When the
pedal is in its center (at rest) position the valve is in
"NEUTRAL" and hydraulic oil flow is stopped.
3. Before operating the attachment, be sure to check the
function controlled by the direction of the pedal movement.
Activating Breaker with Pedal Valve
1. Select breaker with the selector switch of the right panel.
2. Rotate knob (3, Figure 88) 120° for stopper (4, Figure 88)
be fastened to (5, Figure 88).
3. In the condition that (2, Figure 88) is fastened, activate the
breaker to the direction (1, Figure 88).
Adjusting the Stopper
1. Rotate knob (3, Figure 88) in the direction of the arrow.
then the pedal is activated according to the display caused
by (3, Figure 88) knob rotation.
FG000402
1
2
Figure 87
FG000403
3 4
5
Figure 88
FG000434
Breaker
Lock
Shear
Figure 89
CAUTION!
When operating breaker or shear when using button
on a joystick, and it is not to be controlled by the
pedal, be sure to keep the stopper in the "LOCK"
position in order for the pedal not to be activated.