3 minute read

Control and operation

1 Field for camera 1 (opposite side) F1 F1 button (full screen camera 1)

2 Field for camera 2 (counterweight) F2 F2 button (full screen camera 2) F8 F8 button (return)

System description

Monitoring cameras are installed on the excavator as follows in order to extend the posite side of the cab,

Display

The inputs from the different cameras are transmitted to the display located on the front right of the cab and divided on the screen as described above (see Fig. 3-24).

Full screen

Fig. 3-25 Full screen display

The input from one camera can be switched to full screen (with the input from the other camera remaining simultaneously displayed with normal size).

To switch a camera to full screen:

Press F1.

Camera 1 is switched to full screen while camera 2 remains displayed with normal size.

Press F2 copyright © Liebherr-Mining Equipment Colmar SAS 2021

Camera 2 is switched to full screen while camera 1 remains displayed with normal size.

To switch back to standard display: Press F8 Screen turns back to standard display.

Note!

Additionalcamerascanbeinstalledasoptionalfeature.Inthiscase,theadditional inputs will be displayed on the screen on the remaining free fields and full screen display will be possible via corresponding Fx button.

3.2The access and the outfit of the cab

Safely getting up b up or down onto the machine, as to upper structure should be positioned with the undercarriage in such a way that the steps and ladders are aligned with each other. rips)areingoodcondition.Inparticular, you should ensure that they are free of dirt, oil, ice and snow. two hands and one foot or two feet and one hand must always be in contact with the access system at the same time. fore you climb any higher. External influences, such as wind, can make it more difficult to open doors. Because of this, always use your hand for control when opening doors. Ensure that the door is latched open to prevent it slamming open and shut. ticularly vigilant to realise the climbing and descent from the cab with the best safety conditions, and do or give the instructionstotheexecutionofpriorpreparationstobeaccomplished,asenunciated above, in order to displace yourself safely. those prerequisites conditions. three-pointsupportand sit downin the and close it immediately using the door handle, before tilting down the safety lever, and start the machine. necessarytofastenyoursafetybelt. If unavailable, let it be installed before working with the door open. e three-point support and close the door assoon as you enter the cab. thesafetybelt(ifavailable)beforetilting down the safety lever, and start the machine.

NOTE:Toensurethatthedoorsopenproperlyinallweatherconditions,thedoor seals must be dusted with talc or silicon at least every two months or more often if required. The door hinges and locks should be greased regularly.

Safely getting down

install yourself.

sitioned with the undercarriage in such a way that the steps and ladders are aligned with each other.

locking. Take care ofweatherconditions ! Unfasten the safety belt.

the machine when getting out and use three-point support, i.e. two hands and one foot or two feet and one hand must always be in contact with the access system at the same time. Climb down until youcanclosethedoorssafely.Alwaysuseyourhandforcontrolwhenclosingthe doors. Lock the door.

3.2.1Entering or leaving the cab

Climbing up Caution!

Entering or leaving the cab incorrectly could lead to injury. Proceedwiththesameattentiononexitorentryofthecab,aswhileclimbingthe machine.

Ensure that the safety lever is always in its highest position when entering or leaving the cab.

Alwaysusethehandholdsprovidedforthepurposewhenenteringorleavingthe machine.

Facethemachinewhengettinginoroutandalwaysusethree-pointsupport,i.e. twohandsandonefootortwofeetandonehandmustalwaysbeincontactwith the access system at the same time.

Never use the control elements as handles. Never jump from the machine.

Getting in

If the access ladder is in its lowest posi climb up on the machine.

Climbinwiththeaccessladdersandwithyourface towards theladders anduse the provided handholds.

On the cabin catwalk, open the door. Adjust the seat if necessary.

Getting out

Switch off the machine and push the safety lever up.

Control and operation

The access and the outfit of the cab

Operating manual

Open the door fully.

Go out of the cabin on the cabin catwalk.

Close the door.

Godownwithyourfacetowardstheladders,andusetheappropriatehandholds.

Access ladder

Depending on the machine, there are two types of access ladder control box:

H67 Control light red / ladder not up S155 Push-button / access ladder up H68 Control light red / ladder not locked (only for the rotating access ladder)

S156 Push-button / access ladder locking (only for the rotating access ladder)

S125 Switch / lighting of cab access S157 Push-button / access ladder unlocking (only for the rotating access ladder)

S141 Switch / lighting of main ladder S158 Push-button /access ladder down

Fig. 3-28S122 on control board

Theaccessladdercanbebroughteithertolowerpositiontopermitaccesstotheuppercarriage or to upper position during operation. Before operating the machine, the ladder must be fully raised to the uppercarriage and locked in place.

Theladdercanbeextendedandretractedfromtheuppercarriageviathecontrolbox E1022-1,whichisinstalledonthecatwalknexttoupperladdersectionleadingtothe cab.

Danger!

Neveractuatetheladderifyouorathirdpersonareonorinimmediateproximityof the ladder.

To bring the ladder into lower position: For the 45° access ladder

Pushtheswitch S158 toswingtheladderuntilithasreachedthelowestposition. For the rotating access ladder

Pushtheswitch S157to unlock the ladder(thered indicatorlight H68 willgo on). Pushtheswitch S158 toswingtheladder untilithasreachedthelowestposition (the red indicator H67 is on).

To bring the ladder into upper position (working position): For the 45° access ladder

Push the switch S155 until the ladder has reached its top position. When the top position is reached, the ladder is locked and control light H67 goes out.

Caution!

For safety reason, the excavator can only be operated if the ladder is locked in its top position. Otherwise, the red indicator light goes on. This means that the swing and travel movements remain locked.

Thissafetymeasurecan be momentarilyby-passedby pushing andholdingthebutton S122 on the control board.

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