Operation
85
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Start the engine (page 68) and keep it at idle speed until the operating temperature has been reached.
Activating the auxiliary port function
The auxiliary port is used for hydraulic implements, such as a breaker. You can set the flow rate prior to operating
auxiliary port. Refer to the section for the flow rate setting (page 87) for details.
Switch on the auxiliary port using the auxiliary port enable switch
(1). This switch is active when the left control console is lowered and
the starter switch is in the RUN position. When the auxiliary port is
switched on, the indicator Auxiliary port (2) comes on or flashes.
Using this switch, you can also set the operation settings.
!
Move the auxiliary port (1) rocker switch in direction (A). The oil
will flow towards connector (A) on the right side of the arm.
!
Move the auxiliary port (1) rocker switch in direction (B). The oil
will flow towards connector (B) on the left side of the arm.
One way hold operation
!
Activate the operation setting for the "one way flow".
Switching on
!
Briefly press one way hold switch (1), the oil flow flows unilat-
erally to the auxiliary port connectors (B) on the left side of the
arm.
Switching off
!
Briefly press the one way hold switch to switch off the oil flow,
or
!
press the rocker switch for auxiliary port 2 (3) briefly to the right
or left to stop the oil flow.
The proportional control enables you to smoothly con-
trol the implement speed. Example: If you move the
rocker switch half a turn to the left, the implement
moves at half speed.
For one way hold operation, the return change valve has to be set to the direct return flow position
(page 91).
2
1
1
2
