Control, operation

Working with the machine

Horizontal adjustment of the boom

Press switch S356

The horizontal adjustment function is activated. The indicator light in the switch is on. Press the foot pedal k down. The boom is swivelled to the right. Press the foot pedal m down. The boom is swivelled to the left.

3.4.7Lowering the working attachment when diesel engine is shut off

Fig. 3-77 Lowering attachment when the diesel engine is off

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.

3.4.8Swivelling 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):

3.4.9Halting 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.