Liebherr A924c Litronic A924c hd Litronic Hydraulic Excavator Operation Maintenance Manual
TABLE OF CONTENTS:
1Productdescription1-1
11Designandoverview1-1
111Overview1-1
112Uppercarriage1-2
113Undercarriage1-3
12Vibrationemissions1-4
13Soundemission1-5
14ECDeclarationofConformity1-6
15Technicaldata1-7
2Safetynotes,signs2-1
21Symbolsusedinthisoperatingmanual2-1
22Properuse2-2
23Safetyinstructions2-2
231Generalsafetyinstructions2-2
232Crushingandburnprevention2-3
233Fireandexplosionprevention2-4
24Signsonthemachine2-4
241Safetyandinformationsigns2-4
242IDtag2-12
3Control,operation3-1
31Operatingandcontrolelements3-1
311Overviewofoperator’splatform3-1
312Keypad3-3
313Monitoringscreen3-7
314Mainscreen3-10
315Informationsymbolsonthemainscreen3-11
316Operator’smenu3-13
32Control3-29
321Enteringandexitingtheoperator’scab3-29
322Adjustingverticalpositionoftheoperator’scab(optionalequipment)3-31
323Emergencyloweringoftheoperator’scab3-33
324Safetylever3-34
325Operatorseat3-35
326Operatorseat3-38
327Adjustingthesteeringcolumn3-42
328Windscreen3-42
329Sunblind3-44
3210Emergencyexitthroughrearwindow3-44
3211Insidelighting3-45
3212Fireextinguisher(optionalequipment)*3-45
3213Windshieldwiper3-45
3214Lighting3-47
3215Radiomutemode(optionalequipment)3-49
3216Heatingandair-conditioningsystem3-49
33Operation3-55
331Safetyinstructions3-55
332Startingmachine3-56
333Switchingoffthedieselengine3-62
334Startingaids3-62
335Jumpstartprocedure3-65
336Travellingoperation3-66
337Steeringreversion(SpecialequipmentPick&Carry)3-68
Operatingmanual
A924CLitronic/A924CHDLitronic/10813519
LHB/en/Edition:07/2010
MJFCIFSS
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338Travelwarningdevice(option)3-69
339Drivedeactivation(optionalextra)3-69
3310Oscillatingaxlelockingdevice3-69
3311Operationofsupportsystem3-71
3312Operationofdozerblade(optionalequipment)3-72
34Workingwiththemachine3-73
341SafetyInstructions3-73
342Sensorcontrolledlowidleautomatic3-77
343Workingposition3-78
344Operatingworkingattachment3-79
345Swivellingtheuppercarriage3-80
346Haltingtheuppercarriage3-81
347Loweringtheworkingattachmentwhendieselengineisshutoff3-82
348Grabcontrol3-82
349Electronicstickcylindershut-downfunction(optionalequipment)3-83
3410Mechanicalstickcylindershut-downfunction3-85
3411Adjustmentofattachmenttool3-88
3412Operatingtheattachmenttool(bypedals,pushbuttons)3-88
3413Changeoverofcontrol(optionalequipment)3-91
3414Operatingattachmenttool(minijoystickcontrol,optionalequipment)3-91
3415Changeoverofjoystickcontrol(optionalequipment)3-94
3416Magneticsystem(option)3-94
35Installationandremovalofattachmentparts3-95
351SafetyInstructions3-95
352Installationandremovalofdiggingtool3-97
353Attachmentofgrappletobucketstick3-99
354Attachmentofgrappletoindustrialstick3-102
355Multi-couplingsystem(optionalequipment)3-104
356Industrialstickwithmechanicalquick-changeadapter(optionalequipment)3-107
357Industrialstickwithhydraulicquick-changeadapter(optionalequipment)3-111
358LIKUFIXMH40quick-couplingsystem(optionalequipment)3-117
359Hydraulicquick-changeadapter(optionalequipment)3-122
3510Hydraulicquick-changeadapterwithLIKUFIX(optionalequipment)3-128
3511Mechanicalquick-changeadapter(optionalequipment)3-129
36Generalworkingmethods3-133
361Tipsfortheproperoperationofthemachinepreventingdamageandwear3-133
362Preparation3-134
363Workingwithgrapples3-135
364Excavatingandmovingmaterialwithgrapples3-135
365Loadingoperation3-136
366Workingwithlargeandheavyattachments3-137
367Loadliftingoperation3-138
368Useofquick-changeadapterforloadliftingoperation3-139
369Overloadwarningdevice3-140
37Parkingandexitingmachine3-142
38Transport3-142
381Safetyinstructions3-142
382Transportationonlow-loader3-143
383Loadingwithcrane3-144
4Malfunctions4-1
41Errorcodelist4-1
42Faultsandremedies4-8
421Dieselengineandfuelsystem4-8
422Hydraulicsystem4-10
423Travelling4-11
424Brakes4-12
425Electricalsystem4-12
Operatingmanual
A924CLitronic/A924CHDLitronic/10813519
LHB/en/Edition:07/2010
MJFCIFSS
copyrightby
426Heatingandairconditioningsystem4-13
427Workingattachment4-13
43Fusesandrelays4-13
431FuseboxE504-14
432ESP02printedcircuitboard4-15
44Emergencyoperation4-16
441Purpose4-16
442Identifyingsolenoidvalve4-17
443Emergencymodecontrol4-17
444Emergencyoperationofhydraulicpump4-20
445Strokelimitationemergencyoperation(optionalequipment)4-21
446Emergencyoperationofelectricstickcylindershut-downfunction4-22
447Emergencygearshifting4-22
448Towingthemachine4-23
449Disengagingtransmission(emergencyrelease)4-24
5Maintenance5-1
51Safetyinstructions5-1
511Generalsafetyinstructions5-1
512Checkingforcracks5-1
513Welding5-2
514Fuels,lubricantsandprocesschemicals5-2
515Repair5-2
516Electricalsystem5-3
517Pressureaccumulator5-3
518Hydraulichosesandlines5-4
519Cabprotection(FOPS)5-5
52Maintenanceaccessdoors5-5
521Overviewofaccessdoors5-5
522Doorlockingmechanism5-6
523Enginehoodlockingmechanism5-7
53Cleaningmachine5-7
54Careforrubbercomponents5-8
55Tyres5-8
551Checkingtyrepressure5-8
552Foamtyres5-9
553Checkingwheellugsforproperfit5-10
56Fuels,lubricantsandprocesschemicals5-10
561Generalinformation5-10
562Fillingvolumes,lubricatingchart5-11
57Specificationsforfuels,lubricantsandprocesschemicals5-15
571Dieselfuels5-15
572Lubricatingoilforthedieselengine5-16
573Coolantforthedieselengine5-18
574Hydraulicoil5-21
575Lubricantsforaxlesandgearboxes5-25
576Lubricatingoilfortransmission5-26
577Grease5-27
578Lubricantsandcareproductsforelectricalandmechanicalcomponents5-27
58Dieselengine5-28
581Checkingtheoillevelinthedieselengine5-28
582Changingthedieselengineoil5-28
583RibbedV-beltforA/Ccompressorandalternatorinstallation5-30
584Crankcasebleedingpoint5-30
585Greasethestartertoothring5-31
59Coolingsystem5-32
591Checkingandcleaningthecoolingsystem5-32
592Checkingcoolantlevel5-32
Operatingmanual
A924CLitronic/A924CHDLitronic/10813519
LHB/en/Edition:07/2010
MJFCIFSS
copyrightby
593Changingcoolant5-33
594Checkingcoolant,adjustingmixingratio5-35
510Fuelsystem5-39
5101Refuelling5-39
5102Dewateringfueltank5-40
5103Emptyingandcleaningfueltank5-41
5104Maintenanceoffuelfilter5-42
5105Bleedingfuelsystem5-44
511Dryairfilter5-46
5111Replacingmainelement5-47
5112Changingthesafetyelement5-48
5113Checkingthecleanairline5-49
512Hydraulicsystem5-49
5121Preparations5-49
5122Checkingtheoillevelinthehydraulictank5-50
5123Depressurizingthehydraulicsystem5-50
5124Replacingthebreatherfilter5-51
5125Emptyingandrefillingthehydraulictank5-51
5126Returnfilter5-52
5127Controloilfilter5-54
5128Controlcircuit5-54
5129Bleedingthehydraulicpump5-55
51210Bypassoilfilter(optionalequipment)5-56
51211Servicingthehydrauliccylinder5-57
51212Replacinghydraulichoses5-58
513Changingtheoiloncomponents5-58
5131Generalnotes5-58
5132Slewinggearmechanism–oilchange5-59
5133Transmission–oilchange5-60
5134Steeringandrigidaxle–oilchange5-60
5135Wheelhub–oilchange5-61
5136Pumpdistributorgear-oilchange5-62
514Brakedisks–wearmeasurement5-63
515Electricalsystem5-63
5151Notesregardingtheelectricalsystem5-63
5152Batterymainswitch5-64
5153Batterycare5-64
5154Slipringbody(optionalequipment)5-66
516Heatingandair-conditioningsystem5-67
5161Recirculatedandambientairfilter5-67
5162Heatingsystem5-68
5163air-conditioningsystem5-68
517Automaticlubricationofthemachine5-69
5171Semi-automaticcentralgreasingsystem5-69
5172Fullyautomaticcentralgreasingsystem(optionalextra)5-71
518Manuallubricationofthemachine5-73
5181Lubricatingaxles5-73
5182Diggingbuckets/buckettiltingdevice5-75
5183Attachments(optionalequipment)5-76
5184Industrialstickwithmechanicalquick-changeadapter5-77
5185Industrialstickwithhydraulicquick-changeadapter5-77
5186LIKUFIXMH40quick-couplingsystem5-78
5187Hydraulicquickchangeadapter5-78
5188Mechanicalquick-changeadapter5-79
519Couplingsofthequick-changeadaptersystems(optionalequipment)5-80
5191Hydrauliccoupling5-80
5192LIKUFIXelectriccoupling5-81
520Parkingandswinggearbrake5-82
Operatingmanual
A924CLitronic/A924CHDLitronic/10813519
LHB/en/Edition:07/2010
MJFCIFSS
copyrightby
521Generalmaintenancetasks5-82
5211Replacingwearparts5-82
5212Replacingteethondiggingtool5-82
5213Weldedpartsonthemachine5-84
522Maintenanceandinspectionschedule5-85
DESCRIPTION:
This operating manual has been specifically devised for machine operators and maintenance personnel. It contains important information and tips regarding the maintenance and proper operation of the machine. It assists you in becoming familiar with the functions and features of the machine and helps prevent incorrect operation. By strictly adhering to the instructions in the operating manual, you can significantly enhance the reliability and service life of the machine. The operating manual is an integral part of the scope of delivery of the machine. Ensure that a copy is at all times available in the storage compartment in the operator’s cab. Carefully read the operating manual before starting the machine and then regularly read it again. All persons carrying out work on or with the machine must be fully familiar with the content of the operating manual and must adhere to the instructions. Such work include:
- Machine operation including tooling, troubleshooting during work, general care and cleaning, disposal of fuels and lubricants.
- Maintenance including inspection, servicing and repair.
- Transport or loading of the machine.
The machine owner must ensure that this operating manual is complemented with the relevant statutory regulations for accident prevention and the protection of the environment. Apart from the instructions in this operating manual and the statutory accident prevention, health and safety regulations applicable in the country of operation, all personnel working on or with the machine must adhere to best practice for safe and proper operation.
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