Control and operation

Access and equipment of the cab

11

13

* Model variant

Adjusting seat to body weight/seat height (in models with manual adjusting mechanism):

Sit down on the seat.

Adjust the seat height/body weight by pulling or pushing the lever 9 to the stop. Check the display 8

If necessary: Adjust the settings by pulling or pushing the lever 9 to the stop.

Adjusting seat to body weight (in models with automatic adjusting mechanism)*:

Before adjusting the body weight settings, set the shock absorber* to "soft".

Sit down on the seat. Pull the lever 9 briefly upwards. The seat is automatically adjusted to suit the body weight of the operator.

Adjusting seat height (in models with automatic adjusting mechanism)*: Before adjusting the height, set the shock absorber to "soft".

Caution! Risk of damage to compressor.

Do not run the compressor continuously for more than 1 minute.

Adjust the seat height by pulling or pushing the lever 9 to the stop.

Adjusting seat depth: Lift the button 12

Sit on the seat and move it horizontally to the desired position.

To adjust the angle of inclination of the seat, press the button 13 Sit on the seat and move it to the desired angle.

Horizontal adjustment:

Pull up the lever 11

Adjust the operator seat in horizontal direction. Release the lever. Ensure that the lever engages properly in the desired position (audible click).

Carry out the following check: After locking, it must be impossible to move the operator seat to a different position.

Horizontal adjustment with control consoles: Pull up the lever 7

Adjust the operator seat together with the control consoles in horizontal direction. Release the lever. Ensure that the lever engages properly in the desired position (audible click).

Carry out the following check: After locking, it must be impossible to move the operator seat to a different position.

Adjusting backrest: Pull up the lever 3

Sit on the seat and move the backrest to the desired position. Release the lever. Ensure that the locking lever engages in the desired position. Carry out the following check: After locking, it must be impossible to move the backrest to a different position.

Adjusting lumbar support (in models with mechanical adjusting mechanism): Adjust the height and curve of the lumbar pad by turning the hand wheel 2 at the back of the seat.

Adjusting lumbar support (in models with pneumatic adjusting mechanism)*:

Adjust the curve of the upper and lower section of the backrest upholstery by pressing the two switches 2 at the rear of the seat.

Adjusting shock absorber*:

The shock absorption level can be adjusted to suit the actual road or terrain conditions.

Turn the handle 10 to the desired position and release it.

Adjusting horizontal cushioning*:

Under certain operating conditions, you can improve the operator comfort by adjusting the horizontal cushioning mechanism. This helps reduce impact stress in travel direction on the operator as these impacts are better cushioned by the seat.

Move the handle 6 to the desired position.

After the handle has been moved to position 1, ensure that is engages properly in this position: push the seat back until you hear an audible click.

Adjusting armrests:

Turn the hand wheel 5 until the armrests are in the desired position. If required, the height can be adjusted individually for each armrest: Remove the cover cap 4 from the seat covering.

Loosen the hex (wrench size 13mm).

Set the armrest to the desired position.

Tighten the hex nut (25Nm).

Replace the cover cap on the hex nut.

Adjusting headrest:

Adjust the headrest 16 by pulling it from the engaging mechanism. Adjust the headrest angle by pushing it forward or back.

To remove the headrest, move it to the upper stop and then pull it with force from the seat.

Seat heating:

Actuate the switch 1 to switch on the seat heating.

* Model variant

3.2.4Putting on and releasing the safety belt

Danger!

The safety belt is designed to protect the operator. Before starting the machine, always fasten the safety belt. Ensure that the safety belt is not twisted when it is fastened.

To ensure your safety, check the condition, function and fastening of the belt regularly and replace any damaged parts without delay.

Fig. 3-35 Safety belt

The safety belt is automatic. It is not necessary to adjust the length of the belt. Pull the belt and buckle 2 out of the roller mount 1. If pulled out of the roller mount sharply, the belt may lock. Push the buckle into the belt lock 3 until it fastens.

To open lock 4, push down on the belt lock using your thumbs. The safety belt will slide automatically back into the roller mount 1

3.2.5Windscreen

Fig. 3-36 Locked positions of the windscreen

The windscreen can be locked in two positions.

a the windscreen is closed.

b the windscreen is fully opened (locked in place on the roof of the cab)

Access and equipment of the cab

Caution!

It is not allowed to work with the machine when the windscreen is in an intermediate position!

To change the position of the windscreen

Pull the lever 1 in and down to unlock the windscreen. Move the windscreen using the handle 2, secure it in one of the two positions a or b and relock using the lever 1.

The cab is provided with two sunshades, located at the windscreen and at the cab roof window.

Manoeuvring the sunshade at the windscreen

Using the strengthening tongue 1, pull the sunshade down to the desired position. Press the red button 2, the sunshade will roll itself up.

Manoeuvring the sunshade at the cab roof

Pull out the sunshade and secure it in the holders designed for the purpose. To retract the sunshade, take it out of the holders and let it roll up slowly.

In case of emergency, remove the rubber seal 2 from all around the rear window by pulling the clip 1 on the inner side of the rear window. Thereafter push the window out.

Note!

For the machines equipped with a cab elevation, steps, ladders and hand-rails (grips) are installed to secure the descent.

3.2.8Interior lights

Dome light for cab interior lighting

The dome light is controlled via the button 1.

Push the button 1 to the right to switch on the light 2

Push the button 1 to the left.to switch on the spot 3

Push the button 1 into central position to switch the dome light off.

3.2.9Fire extinguisher

The interior of the cab of your machine is fitted with fixing points allowing the mounting of a fire extinguisher. These fixing points are on the right side wall of the cab, in the front area for machine models up to R954C, or in the rear corner for machine models R964C and above.

Fig. 3-40 Possible locations for fixing the fire extinguisher

The fire extinguisher is only mounted as an option.

Note!

It is the responsibility of the owner of the machine to decide if it must be fitted with a fire extinguisher or not, considering the operating conditions and the local laws and regulations applying where the machine is used.

You can order a kit for retrofit adaptation comprising a fire extinguisher and its mounting bracket at any time at the LIEBHERR customer service.

Caution!

If your machine is fitted with a fire extinguisher: Always comply with the operating guide on the body of the extinguisher. Make sure that all the necessary inspections of the fire extinguisher prescribed by local laws and safety regulations are carried out.

3.2.10Windscreen wiper Windscreen wiper

When the ignition is switched on, pressing switch S14 will activate the windscreen wiper.

Press switch. Intermittent switching LED I in the switch illuminates.

Press switch again. Continuous operation.

LED C in the switch illuminates.

LED I in the switch goes out.

Press switch again.

Windscreen wiper is switched off.

LED C in the switch goes out.

Setting the interval time for the intermittent switching

The interval time can be set when the ignition is on by pressing switch S14

Press the switch until the windscreen wiper is switched off (LED I in switch goes out)

Press and hold switch.

LED I in the switch flashes.

Release the switch when the desired interval time has been reached. The interval time can be set between 2 and 10 seconds.

Windscreen washing system

When the ignition is switched on, pressing button S11 will activate the electric windscreen washing system.

Press and hold button.

Washing water will be sprayed onto the windscreen through the outlet nozzles. The windscreen washer runs continuously.

Release the button.

Washing water will be stopped. Windscreen washer will run continuously for approx. another 3 seconds.

Windscreen washing fluid container

Fig. 3-41 Windscreen washing fluid container

The container for the windscreen washing fluid is located at the rear of the cab. Once the cover (see arrow) has been opened, the container can be refilled with ordinary windscreen washing fluid.

Danger !

For the machines equipped with a cab elevation, fill the container with precaution. Risk of tumble. Respect the local rules and safety instructions for the works in altitude.

Volume: see lubricant chart

3.2.11Lighting

1 Uppercarriage headlights

2 Equipment headlights

3 Front roof headlights (option)

4 Rotating beacon (option)

5 Headlights on ballast weight (option)

6 Rear roof headlights (option)

Uppercarriage headlights, equipment headlight

Pressing the switch S10 activates the uppercarriage headlights 1 and the equipment headlights 2

Press the switch S10

The uppercarriage headlights 1 are activated. The LED 1 in the switch illuminates.

Press the switch S10 again.

The uppercarriage headlights 1 are deactivated. The LED 1 in the switch goes out. The equipment headlights 2 are activated. The LED 2 in the switch illuminates.

Press the switch S10 again.

The uppercarriage headlights 1 and equipment headlights 2 are activated. The LEDs 1 and 2 in the switch illuminate.

Press the switch S10 again.

The uppercarriage headlights 1 and equipment headlights 2 are deactivated. The LEDs 1 and 2 in the switch go out.

Front roof headlights, headlights on ballast weight (option)

Pressing the switch S22 activates the front roof headlights 3 or the headlights on ballast weight 5

Make sure the ignition is on.

Press the switch S22

The front roof headlights 3 or headlights on ballast weight 5 are activated. The LED in the switch illuminates.

Press the switch S22 again.

The front roof headlights 3 or headlights on ballast weight 5 are deactivated. The LED in the switch goes out.

Rotating beacon (option)

Pressing the switch S41 activates the rotating beacon 4

Make sure the ignition is on.

Press the switch S41

The rotating beacon 4 is activated. The LED in the switch illuminates.

Press the switch S41 again. The rotating beacon 4 is deactivated. The LED in the switch goes out.

Rear roof headlights (option)

Pressing the switch S275 on the right control panel activates the rear roof headlights 6

Make sure the ignition is on.

Press the switch S275

The rear roof headlights 6 are activated. The LED in the switch illuminates. Press the switch S275 again. The rear roof headlights 6 are deactivated. The LED in the switch goes out.

3.2.12The heater and air conditioner

The cab is equipped with a heating and air conditioning system as standard. The heating and air conditioning system is used to heat, cool and ventilate the cab.