Control, operation

In the event of an emergency, the attachment can be lowered even if the diesel engine is not running.

Turn the ignition key to contact position 1

Operate the joysticks or pedals until the attachment is fully lowered.

Note

The attachment is lowered with the residual pressure in the control oil unit. This reserve is however limited and allows only for a limited number of operations of the pilot control units.

Therefore only use the joysticks to lower the attachment and do not attempt to complete other movements.

3.4.6Swivelling uppercarriage

Caution!

All machines are equipped with the PCSA control as standard. On special request, the machine can be fitted with a different control system (e.g. LIEBHERR control). For such machines, observe the instructions in the respective separate operating manual.

The joystick functions described here apply only to the PCSA control

The uppercarriage is swivelled by means of the left joystick.

Move the joystick to the left c. The uppercarriage is swivelled to the left.

Move the joystick to the right d

The uppercarriage is swivelled to the right.

If required, also adjust the sensitivity of the slewing gear (see chapter "Display", Torque Slew menu):

3.4.7Halting uppercarriage

The machine is equipped with a hydraulic and a mechanical slewing gear brake.

Halting uppercarriage with the hydraulic slewing gear brake

Move the left joystick 4 to its neutral position. The uppercarriage is slowed down hydraulically. Move the left joystick 4 in the opposite direction. The uppercarriage is stopped with the maximum hydraulic force.

Halting uppercarriage with the positioning slewing brake

The positioning slewing brake is used for the progressive and precise slowing down of the uppercarriage.

Note! Increased wear.

Do not use the positing slewing brake as a working brake, but only for special halting and parking manoeuvres of the slewing gear.

The uppercarriage should normally be stopped with the hydraulic brake (joystick to stop).

Operate the pedal 10

The uppercarriage is slowed down with great accuracy and stops in the desired position.

3.4.8Locking the superstructure

Locking of the superstructure happens automatically with the help of a hydraulic locking pin.

Locking:

Rotate the superstructure in the direction of travel parallel to the chassis. If necessary, correct the position of the superstructure until the locking pin 1 is located centrally to the pillow block 2

Switch off servo control S35 or push the safety lever up. The locking pin 1 extends, the superstructure is locked (B).

When the diesel engine is shut down, locking pin 1 also extends.

Unlocking:

Switch on servo control S35 and push the safety lever down. Locking pin 1 retracts, the superstructure is released (A).

3.4.9Adjustment of tool attachment

The machine can operate a range of tool attachments (additional consumers) with various pressure and flow rate settings. The respective selections are made in the operator's menu (see "Tool Control" menu).

Caution!

If an incorrect operating mode is chosen, the tool attachment might be damaged or its functions might be restricted.

Make sure that you have all the necessary information regarding the technical data of the tool attachment.

Use the tool attachment exclusively with the prescribed settings (Tool option).

In the operator's menu, select the pressure and flow settings required for the tool attachment you wish to operate (see chapter "Tool option").

3.4.10Operating tool attachment (by pedals, push buttons)

Danger!

The working attachment can cause serious or even fatal injury to persons. Ensure that no persons are standing inside the danger zone of the machine. It is strictly forbidden to guide the tool attachment by hand.

Danger!

If a large or wide attachment tool (e.g. grapple) is swivelled towards the operator's cab, it might collide with the cab or even break through it, causing danger to the machine operator.

Always keep a safe distance between the moving tool attachment and the operator's cab.

3.4.10.1Working functions

Fig. 3-73 Operating tool attachment by pedals

The working function of the tool attachment is controlled by pedals.

Examples: hydraulic hammer

Press the foot pedal k down. The hydraulic hammer is actuated.

Examples: Sorting grapple, scrap shears

Press the foot pedal k down. The tool attachment closes.

Press the foot pedal m down. The tool attachment opens.

3.4.10.2Rotating and adjusting

1 Rotator (e.g. for rotating grapple)

2 Lock pins of a hydraulic quick-change adapter system

3 Swivelling ditch cleaning bucket

A Actuation at left joystick (standard equipment)

B Actuation at right joystick (optional equipment)

C Actuation at left and right joystick (optional equipment)

R/L Push button/direction of movement

Press the push buttons at the joystick to turn the tool attachment or to adjust it. The buttons are located at the right or left joystick (depending on machine equipment). The rotating function corresponds to the "rotate grapple" function used for grapples and other tool attachments.

Press the switch S19

The auxiliary function (grapple rotator) is activated. The LED in the switch is on.

Press and hold the button L

The tool attachment turns (swivels) to the left. The lock pins are extended.

Press and hold the button R

The tool attachment turns (swivels) to the right. The lock pins are retracted.

3.4.11Changeover of the control system (optional equipment)

On request, the machine can be equipped with a changeover unit of the control system kit. With this unit, it is possible to change the "tilt cylinder actuation" (e and f) over to the actuation of the tool (m and k).

Select the pressure and flow settings required for the respective tool on the display (see chapter "Display", Tool Control menu).

Changing over control:

To change over, turn the key switch S405

Turn the key switch S405 to position 1

The indicator light H322 is on. The control functions are changed over.

Turn the key switch S405 back to position 0 The indicator light H322 is off. The control system is changed back to its initial function.

Operate working tool and bucket tilt function (grapple) according to the chosen changeover.

Note!

The switchover is only available for working tools, the bucket tilt function and the grapple. The boom is still operated by means of the pedals m and k