Table of Contents
Advertisement
ATTACHMENTS AND OPTIONS
PEDAL OPERATION AND OIL FLOW OF MACHINE EQUIPPED WITH ATTACH-
MENT
The direction of operation of the pedal and the path of the oil flow is as shown in the figure.
.
•
Depress the front side of pedal.
The oil flows into piping of the left side of the work equipment.
•
Depress the rear side of pedal.
The oil flows into piping of the right side of the work equipment.
REMARK
When a breaker is installed, depress only the front side of pedal.
METHOD FOR SWITCHING HYDRAULIC CIRCUIT
Depending on the type of attachment, set the working mode on the monitor as follows.
The hydraulic circuit and the set pressure of the safety valve in the service valve switch according to the working
mode selected.
Depending on the attachment, it is necessary to change the oil flow in the service circuit.
For setting of the flow, see "MACHINE SETTINGS".
Switching method of breaker and general attachment
Install an optional attachment and set the working mode to B mode.
Breaker circuit (one-way circuit) is formed.
Hydraulic oil flowing through breaker circuit passes through additional filter for breaker. Relief valve is set to low
pressure. Maximum oil flow can be adjusted in user mode.
Set pressure of safety valve of service valve (when shipped from plant):20.6 MPa{210 kg/cm
Crusher or other attachment with 2-way circuit
Install an optional attachment and set the working mode to ATT/P or ATT/E mode.
Crusher circuit (2-way circuit) is formed.
Hydraulic oil flowing through crusher circuit does not pass through additional filter for breaker. Relief valve is set
to high pressure. Maximum oil flow can be adjusted in user mode.
HANDLE MACHINE READY FOR INSTALLATION OF ATTACHMENT
.
2
}
6-43
Advertisement
Table of Contents
