Method For Connecting Hydraulic Circuit And Operating Attachment (3Rd Line) - Komatsu PC80MR-5E0 Operation & Maintenance Manual

HANDLE MACHINE READY FOR INSTALLATION ATTACHMENT (3rd
ATTACHMENTS AND OPTIONS LINE)
The activation of the 2nd line is marked by a light positioned at
the left side of operator's seat.
RKA45920
2ND/3RD LINE ATTACHMENT PROPORTIONAL SWITCH
The oil flow is adjusted by moving the proportional switch on the left control lever.
If the operation mode selection switch is not set on the ATT/P
or ATT/E mode, this switch cannot be activated.
Flow rate can be adjusted according to the operating amount of
2nd/3rd line attachment proportional switch.
Activation of the right part of the switch
The oil flows towards the hose of the 2nd or 3rd line on the
right side of the boom (hydraulic tank side)
Activation of the left part of the switch
The oil flows towards the hose of the 2nd or 3rd line on the left
side of the boom (operator seat side)
3rd LINE
The 3rd line uses for its operation the same control hydraulic element of the 2nd line.
When starting the machine the 3rd line is active.
To activate the 2nd line you need to press the switch on the left control lever. For detail, see "2ND LINE ACTI-
VATION SWITCH".
For the adjustment of the oil flow the proportional switch on the left joystick is used. For detail, see "2ND/3RD
LINE ATTACHMENT PROPORTIONAL SWITCH".
REMARK
The oil flow adjustment is the same as the one of the 2nd line. For detail, see OPERATION - "ATTACHMENT
SETTING".
METHOD FOR CONNECTING HYDRAULIC CIRCUIT AND OPERATING AT-
TACHMENT (3rd LINE)
METHOD FOR CONNECTING HYDRAULIC CIRCUIT
Since the 3rd hydraulic line is not supplied with quick couplings, the equipment assembly and connection should
be carried out by an authorised workshop.
Connection measurement: M12x1.5 (ISO 12151-2)
6-33
WENAM00241