Control and operation

Button -SwitchFunction

Push button S5R Reserve or float position of the boom cylinders with shovel attachment, see the section "working attachment control", further in this chapter. or turning on the pressure limitation for boom cylinders for exemple when operating a grapple, see also S98 in the heading "Controls for optional equipment"..

Push button S6L Lifting magnet, see in this chapter "Lifting magnet (optional equipment)".

Push button S6R Travel alarm cut-off

See in this chapter "Drive warning device (optional extra)".

Push switch S55 Unlocking of a movement cut-off by end position switch

See in this chapter "Cut-off by end switches of attachment movements (optional equipment)" and "Mechanical stanchion cylinder shut-down (option)".

Rocker switch S57 Swing brake control in semi automatic mode

See in this chapter "The uppercarriage swing movements".

Caution!

With some specific combinations of optional equipments and/or at customer’s wish, the functions may be different. Always check the functions of special equipments before beginning to work with the machine.

The operator can select an other characteristic for the proportional control of additional function.

By pressing on the touch S251 on the right side control panel, the indicator integrated in the touch lights up and the second characteristic curve for the proportional function of the left mini joystick is selected.

By pressing on the touch S252 on the right side control panel, the indicator integrated in the touch lights up and the second characteristic curve for the proportional function of the right mini joystick is selected.

3.1.3Control unit

M The function of the push buttons marked with (M) are memorized when the excavator is stopped. This means that, when turning on the excava tor, the controlled function recovers the previous state (on-off, 1-2, I-C, ...) before the machine had been turned off

S10 – Working floodlights

Press the touch. Each touch actuation will successively: turn on the uppercarriage floodlights (LED 1 illuminates), turn on the attachment floodlights (LED 2 illuminates) switch off the uppercarriage floodlights (LED 1 go out), turn on both the uppercarriage and the attachment floodlights (LEDs 1 and 2 illuminate), switch off both the floodlights on the uppercarriage and the floodlights on attachment (LEDs 1 and 2 in the touch go out).

S11 – Windshield washer

Press the touch and keep it depressed: washer fluid is sprayed onto the windshield, the windshield wiper runs continuously.

Release the touch: the washer fluid spraying is stopped, the windshield wiper will stop after approx 3 seconds.

S14 – Windshield wiper

Press the touch: the windshield wiper is turned on in intermittent mode, LED I in the touch illuminates.

Press the touch again: the windshield wiper is turned on in continuous, LED C in the touch illuminates and LED I goes out.

Press the touch again: the windshield wiper is switched off, LED C in the touch goes out.

The touch S14 also allows to adjust the pause time for the intermittent mode of the windshield wiper: press the touch to select the intermittent mode and keep the touch depressed, after a few seconds the LED I starts blinking rapidly, release the touch as soon as the blinking duration has reached the desired pause time (settings from 2 - 9 seconds).

S17 –

Preselection of swing brake operating mode

Press the touch: LED in the touch illuminates, the swing brake is applied.

Press the touch again: LED in the touch goes out, the swing brake is switched in semi automatic operating mode. In this mode the brake is controlled depending on the position of the rocker switch S57 situated in the right joystick lever.

S18 – Overload warning device (optional equipment)

Press the touch: LED in the touch illuminates, the overload warning device is activated.

Press the touch again: LED in the touch goes out, the overload warning device is deactivated.

If no overload warning device is installed or if it is not correctly initialized on the machine: the indicator symbol "No overload warning device recognized" will appear on the monitoring display at warning device activation (LED in the touch illuminates).

S19 – Rotating device (optional equipment)

The rotating device is an additional hydraulic circuit necessary to drive some specific equipments (such as rotating grapple, rotating bucket, rotating stick, quick change coupling, ...).

Press the touch: LED in the touch illuminates, the control circuit for the rotating device is activated. Now the special equipment (as an ex. the rotating grapple) can be actuated using the push buttons S5L and S5R in the handle of the left joystick unit.

Press the touch again: LED in the touch goes out, the control circuit for the rotating device is deactivated. The actuation of the special equipment via S5L and S5R is no longer possible.

S20 – Engine low idle automatic

Press the touch: LED in the touch illuminates, The low idle automatic is activated.

Press the touch again: LED in the touch goes out, The low idle automatic is deactivated.

Adjustment of the time lag for low idle automatic

The time lag between the return to neutral of all joysticks and pedals and the automatic reduction of the engine RPM to low idle can be adjusted using the touch S20 as follows: press the touch to activate the low idle automatic and keep the touch depressed. after a few seconds the LED starts blinking rapidly, release the touch as soon as the blinking duration has reached the desired time lag for low idle automatic (settings from 2 - 9 seconds).