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Liebherr A 912 Compact Litronic 1506 Wheeled Excavator Operator’s Manual SN 74759 – PDF DOWNLOAD
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Liebherr A 912 Compact Litronic 1506 Wheeled Excavator Operator’s Manual SN 74759 – PDF DOWNLOAD
Product ID
Manufacturer: Liebherr-Hydraulikbagger GmbH
Type: A 912 Compact Litronic
Type no.: 1506
From Serial no.: 74759
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Description
Liebherr A 912 Compact Litronic 1506 Wheeled Excavator Operator’s Manual SN 74759 – PDF DOWNLOAD
FILE DETAILS:
Liebherr A 912 Compact Litronic 1506 Wheeled Excavator Operator’s Manual SN 74759 – PDF DOWNLOAD
Language : English
Pages : 392
Downloadable : Yes
File Type : PDF
DESCRIPTION:
Liebherr A 912 Compact Litronic 1506 Wheeled Excavator Operator’s Manual SN 74759 – PDF DOWNLOAD
Product ID
Manufacturer: Liebherr-Hydraulikbagger GmbH
Type: A 912 Compact Litronic
Type no.: 1506
From Serial no.: 74759
Preface:
- This operating manual is intended for you as the machine operator or as a member of the maintenance personnel. It contains warnings, important information and tips for working with the machine. It simplifies the process of familiarisation and getting to know the machine, and helps to avoid faults caused by incorrect operation.
- Compliance with the operating manual increases the reliability and service life of the machine.
- The operating manual must be kept with the machine. Make sure that a copy is always kept close to hand at the workplace.
- Read the operating manual before initial commissioning and subsequently at regular intervals. Everyone who carries out work with or on the machine must be familiar with and use this operating manual.
Examples of this work:
– Operation including setup and fitting attachments, elimination of faults, care,
disposal of service products and consumables
– Maintenance including servicing, inspection and repair
– Transporting or loading the machine
- The owner is responsible for supplementing the operating manual with instructions based on existing national regulations on accident prevention and environmental protection. In addition to this operating manual and the regulations on accident prevention applicable in the user’s country and at the place of use, it is also necessary to comply with the recognised technical rules on safety and technically proficient working.
- Some sections of this operating manual do not apply to all machines.
- Some illustrations in this operating manual may show details and implements that are different from your machine.
- In some illustrations, protective devices and covers have been removed to provide a clearer representation.
- Liebherr machines are subject to continuous development and improvement. This may have resulted in modifications to your machine which are possibly not referred to in this operating manual.
- If you require further explanations or information, please contact Liebherr customer service.
Liability and warranty:
- Due to the wide variety of products offered by other manufacturers (e.g. service products, lubricants, tool attachments and spare parts), Liebherr cannot examine the general suitability and absence of defects in third-party products which are used in or on Liebherr products. The same applies to possible interactions between third-party products and Liebherr products.
- Third-party products are used in or on Liebherr machines at the user’s own discretion.
Liebherr does not offer any warranty or accept any liability for losses of anykind caused by failures of or damage to Liebherr machines attributable to the use of third-party products. - Furthermore, Liebherr will not recognise any warranty claims attributable to incorrect operation, inadequate maintenance or the failure to follow safety instructions.
Modifications, conditions, copyright:
- Liebherr reserves the right to make modifications in the course of technical development, without issuing prior notification.
- Information and illustrations in these instructions are not allowed to be duplicated, distributed or used for the purposes of competing with Liebherr. All rights under copyright legislation are expressly reserved.
- The aforementioned provisions do not extend the warranty and liability conditions in the general terms and conditions of business of Liebherr.
TABLE OF CONTENTS:
Liebherr A 912 Compact Litronic 1506 Wheeled Excavator Operator’s Manual SN 74759 – PDF DOWNLOAD
1 Product description 19
1.1 Technical description 19
1.1.1 General overview 19
1.2 Technical data 21
1.2.1 Vibration emission 21
1.22 CO2 emissions of diesel engine 21
1.2.3 Sound level 23
1.2.4 Specifications 24
2 Safety warnings 25
2.1 Information on these instructions 25
21.1 Representation of warning messages 25
21.2 Graphic symbols in these instructions 25
2.2 Intended use 26
2.21 Laws, rules, guidelines and safety regulations 26
2.2.2 Intended use 26
2.2.3 Foreseeable misuse 27
2.2.4 Operating conditions 27
2.2.5 Disposal 28
2.3 Description of staff 29
2.3.1 Personal protective equipment 29
2.3.2 Requirements for staff 29
2.3.3 Operating company 30
2.3.4 Operator 30
2.3.5 Maintenance staff 31
2.3.6 Electrical engineer 32
2.3.7 Refrigeration technician 33
2.3.8 Slinger 33
2.3.9 Spotter 34
copyright © Liebherr-Hydraulikbagger GmbH 2019
A 912 Compact Litronic – 1506 / 74759 LIEBHERR 9
Contents
1.1 Technical description 19
1.1.1 General overview 19
1.2 Technical data 21
1.2.1 Vibration emission 21
1.22 CO2 emissions of diesel engine 21
1.2.3 Sound level 23
1.2.4 Specifications 24
2 Safety warnings 25
2.1 Information on these instructions 25
21.1 Representation of warning messages 25
21.2 Graphic symbols in these instructions 25
2.2 Intended use 26
2.21 Laws, rules, guidelines and safety regulations 26
2.2.2 Intended use 26
2.2.3 Foreseeable misuse 27
2.2.4 Operating conditions 27
2.2.5 Disposal 28
2.3 Description of staff 29
2.3.1 Personal protective equipment 29
2.3.2 Requirements for staff 29
2.3.3 Operating company 30
2.3.4 Operator 30
2.3.5 Maintenance staff 31
2.3.6 Electrical engineer 32
2.3.7 Refrigeration technician 33
2.3.8 Slinger 33
2.3.9 Spotter 34
copyright © Liebherr-Hydraulikbagger GmbH 2019
A 912 Compact Litronic – 1506 / 74759 LIEBHERR 9
Contents
Operator’s manual
2.4 Signs on the machine 35
2.41 Warning signs 35
2.41 Warning signs 35
2.42 Information signs 39
2.4.3 Identification plate 44
2.5 Protective devices on the machine 44
2.5.1 Safety lever or folding console 44
2.5.1 Safety lever or folding console 44
2.5.2 Operator’s cab 44
2.5.3 Roll over protective structure (ROPS) 45
2.5.4 Falling object protective structures (FOPS and FGPS) 45
2.6 Emergency equipment on the machine 46
2.6.1 Emergency exit (standard) 46
2.6.1 Emergency exit (standard) 46
2.6.2 Fire extinguisher (option) 46
26.3 Emergency command devices of machine 46
26.4 Emergency stop function of machine 47
2.7 Safe operation 47
2.7.1 Intoxicants 47
2.7.1 Intoxicants 47
2.7.2 Dangerous fuels and operating fluids 47
27.3 Transporting machine 48
2.7.4 Access to machine 48
2.7.5 Machine danger zone 49
2.7.6 Visibility 49
2.7.7 Protection against vibration 50
2.7.8 Operation of machine 51
2.7.9 Load-lifting work 54
2.7.10 Demolition work 54
2.7.10 Demolition work 54
2.8 Safe maintenance 55
2.8.1 Spare parts 55
2.8.1 Spare parts 55
2.8.2 Heavy parts 55
2.8.3 Regular checks 55
2.9 Modifications to the machine 56
2.9.1 Modifications, add-ons and retrofittings 56
2.9.1 Modifications, add-ons and retrofittings 56
3 Control and operation 57
3.1 Control and operating elements 57
3.1.1 Overview of operator’s platform 57
3.1.2 Control unit A 58
3.1.3 Control unit B 59
3.1.4 Control unit C 59
3.1.5 Further control units 60
3.1.6 Symbols on control description sticker 60
3.1.7 General symbols 60
3.1.8 Control changeover 61
3.1.9 Optional equipment 62
3.1.10 Working tools 62
3.1.11 Working attachment 64
3.1.12 Support 65
3.1.13 Height-adjustable cab 66
3.1.14 Wheeled excavator travel mode 66
3.1.15 Crawler excavator travel mode 67
3.1.16 Rail excavator travel mode 67
3.1 Control and operating elements 57
3.1.1 Overview of operator’s platform 57
3.1.2 Control unit A 58
3.1.3 Control unit B 59
3.1.4 Control unit C 59
3.1.5 Further control units 60
3.1.6 Symbols on control description sticker 60
3.1.7 General symbols 60
3.1.8 Control changeover 61
3.1.9 Optional equipment 62
3.1.10 Working tools 62
3.1.11 Working attachment 64
3.1.12 Support 65
3.1.13 Height-adjustable cab 66
3.1.14 Wheeled excavator travel mode 66
3.1.15 Crawler excavator travel mode 67
3.1.16 Rail excavator travel mode 67
3.2 Display 68
3.2.1 Display 68
3.2.2 Status symbols 69
3.2.3 Start page menu 82
3.2.4 Camera menu 83
3.2.5 Automatic heating and automatic ventilation 84
3.2.6 Automatic air conditioning 88
3.2.7 Operating status menu 91
3.2.8 Exhaust system submenu 92
3.2.9 Sensor-controlled low idle automatic and automatic engine stop
3.2.1 Display 68
3.2.2 Status symbols 69
3.2.3 Start page menu 82
3.2.4 Camera menu 83
3.2.5 Automatic heating and automatic ventilation 84
3.2.6 Automatic air conditioning 88
3.2.7 Operating status menu 91
3.2.8 Exhaust system submenu 92
3.2.9 Sensor-controlled low idle automatic and automatic engine stop
submenu (option) 93
3.2.10 System settings menu 94
3.2.11 Operating hour meter and odometer submenu 95
3.2.12 Windscreen wiper interval submenu 95
3.2.13 Radio remote control submenu 96
3.2.14 Display settings submenu 97
3.2.15 Display brightness and display volume submenu 97
3.2.16 Camera image contrast submenu 98
3.2.17 Camera return time submenu 98
3.2.18 Regional settings and system parameters submenu 99
3.2.11 Operating hour meter and odometer submenu 95
3.2.12 Windscreen wiper interval submenu 95
3.2.13 Radio remote control submenu 96
3.2.14 Display settings submenu 97
3.2.15 Display brightness and display volume submenu 97
3.2.16 Camera image contrast submenu 98
3.2.17 Camera return time submenu 98
3.2.18 Regional settings and system parameters submenu 99
3.2.19 Unit selection submenu 99
3.2.20 System diagnosis submenu 100
3.2.21 Time zone submenu 100
3.2.22 Time format and date format submenu 101
3.2.23 Language selection submenu 101
3.2.24 Electrical outputs submenu 102
3.2.25 Electrical inputs submenu 103
3.2.26 Function settings menu 103
3.2.27 Central lubrication system submenu (option) 105
3.2.28 Maintenance submenu 105
3.2.29 SF submenu 107
3.2.30 User profile submenu 109
3.2.31 Stick cylinder shut-off and hoist cylinder shut-off submenu (option) 110
3.2.32 Workspace limitation submenu (option) 110
3.2.33 Automatic reversible fan drive submenu (option) 11
3.2.34 Comfort slewing brake submenu (option) 112
3.2.35 Information menu 112
3.2.36 Operating time submenu 113
3.2.37 Fuel consumption submenu 114
3.2.38 Key assignment submenu 114
3.2.39 Tool Control menu 115
3.2.40 Service codes menu 115
Control 117
3.3.1 Battery main switch 117
3.3.2 Entering and exiting machine 118
3.3.3 Emergency exit 120
3.3.4 Fire extinguisher (option) 120
3.3.5 Folding console 121
3.3.6 Operator’s seat 122
3.3.7 Safety belt 130
3.3.8 Steering wheel 131
3.3.9 Ignition key 132
3.3.10 Confirmation button 132
3.3.11 Horn 133
3.3.12 Windscreen 134
3.2.20 System diagnosis submenu 100
3.2.21 Time zone submenu 100
3.2.22 Time format and date format submenu 101
3.2.23 Language selection submenu 101
3.2.24 Electrical outputs submenu 102
3.2.25 Electrical inputs submenu 103
3.2.26 Function settings menu 103
3.2.27 Central lubrication system submenu (option) 105
3.2.28 Maintenance submenu 105
3.2.29 SF submenu 107
3.2.30 User profile submenu 109
3.2.31 Stick cylinder shut-off and hoist cylinder shut-off submenu (option) 110
3.2.32 Workspace limitation submenu (option) 110
3.2.33 Automatic reversible fan drive submenu (option) 11
3.2.34 Comfort slewing brake submenu (option) 112
3.2.35 Information menu 112
3.2.36 Operating time submenu 113
3.2.37 Fuel consumption submenu 114
3.2.38 Key assignment submenu 114
3.2.39 Tool Control menu 115
3.2.40 Service codes menu 115
Control 117
3.3.1 Battery main switch 117
3.3.2 Entering and exiting machine 118
3.3.3 Emergency exit 120
3.3.4 Fire extinguisher (option) 120
3.3.5 Folding console 121
3.3.6 Operator’s seat 122
3.3.7 Safety belt 130
3.3.8 Steering wheel 131
3.3.9 Ignition key 132
3.3.10 Confirmation button 132
3.3.11 Horn 133
3.3.12 Windscreen 134
3.3.13 Sun blind 136
3.3.14 Viewing devices 137
3.3.15 Lighting 143
3.3.16 Cab lighting system 144
3.3.17 Windshield wipers 145
3.3.18 Windscreen washer system 145
3.3.19 Auxiliary heater (option) 146
3.3.20 LiDAT (option) 146
3.4 Operation 148
3.4.1 Inspection tour before putting into service 148
3.4.2 Refuelling 149
3.43 Refuelling with electric refuelling pump (option) 149
3.4.4 Filling with diesel exhaust fluid 151
3.4.5 Immobiliser (option) 162
3.46 Preparing machine for dust intensive application 153
3.4.7 Preparing machine for use in biologically sensitive areas 153
3.4.8 Starting diesel engine 154
3.49 Bringing machine to operating temperature 155
3.4.10 Engine speed and operating mode 155
3.4.11 After starting 157
3.4.12 Sensor-controlled low idle automatic 158
3.4.13 Automatic engine stop after idling (option) 158
3.4.14 Shutting off diesel engine 159
3.4.15 Shutting off diesel engine in an emergency 160
3.4.16 Travelling and braking 160
3.4.17 Speed controller 163
3.4.18 Automatic service brake 164
3.4.19 Joystick steering 166
3.4.20 Four wheel steering (option) 167
3.4.21 Travel alarm (option) 168
3.4.22 Ride control (option) 169
3.4.23 Locking and unlocking oscillating axle 171
3.4.24 Supporting machine 173
3.4.25 Controlling working attachment 175
3.4.26 Turning and braking uppercarriage 177
copyright © Liebherr-Hydraulikbagger GmbH 2019
3.3.14 Viewing devices 137
3.3.15 Lighting 143
3.3.16 Cab lighting system 144
3.3.17 Windshield wipers 145
3.3.18 Windscreen washer system 145
3.3.19 Auxiliary heater (option) 146
3.3.20 LiDAT (option) 146
3.4 Operation 148
3.4.1 Inspection tour before putting into service 148
3.4.2 Refuelling 149
3.43 Refuelling with electric refuelling pump (option) 149
3.4.4 Filling with diesel exhaust fluid 151
3.4.5 Immobiliser (option) 162
3.46 Preparing machine for dust intensive application 153
3.4.7 Preparing machine for use in biologically sensitive areas 153
3.4.8 Starting diesel engine 154
3.49 Bringing machine to operating temperature 155
3.4.10 Engine speed and operating mode 155
3.4.11 After starting 157
3.4.12 Sensor-controlled low idle automatic 158
3.4.13 Automatic engine stop after idling (option) 158
3.4.14 Shutting off diesel engine 159
3.4.15 Shutting off diesel engine in an emergency 160
3.4.16 Travelling and braking 160
3.4.17 Speed controller 163
3.4.18 Automatic service brake 164
3.4.19 Joystick steering 166
3.4.20 Four wheel steering (option) 167
3.4.21 Travel alarm (option) 168
3.4.22 Ride control (option) 169
3.4.23 Locking and unlocking oscillating axle 171
3.4.24 Supporting machine 173
3.4.25 Controlling working attachment 175
3.4.26 Turning and braking uppercarriage 177
copyright © Liebherr-Hydraulikbagger GmbH 2019
LIEBHERR 13
A 912 Compact Litronic – 1506 / 74759
Contents Operator’s manual
3.4.27 Slewing brake 178
3.4.28 Positioning slewing brake 183
3.4.29 Selecting boom or working tool 183
3.4.30 Swivelling boom 184
3.4.31 Selecting the working tool 185
3.4.32 Controlling special working attachment with mini-joystick 185
3.4.33 Using working tool in continuous mode (option) 187
3.4.34 Changing over control of right mini-joystick (option) 189
3.4.35 Reversible fan drive for radiator cleaning (option) 190
Contents Operator’s manual
3.4.27 Slewing brake 178
3.4.28 Positioning slewing brake 183
3.4.29 Selecting boom or working tool 183
3.4.30 Swivelling boom 184
3.4.31 Selecting the working tool 185
3.4.32 Controlling special working attachment with mini-joystick 185
3.4.33 Using working tool in continuous mode (option) 187
3.4.34 Changing over control of right mini-joystick (option) 189
3.4.35 Reversible fan drive for radiator cleaning (option) 190
3.5 Shut-off functions 193
3.5.1 Stick cylinder shut-off (option) 193
3.5.1 Stick cylinder shut-off (option) 193
3.5.2 Hoist cylinder shut-off (option) 196
3.5.3 Height limitation 200
3.5.4 Overload warning system (option) 209
3.6 General working methods 212
3.6.1 Working without damaging the machine 212
3.6.1 Working without damaging the machine 212
3.6.2 Putting machine in working position 213
3.6.3 Travelling at operating location 214
3.6.4 Travelling with load at operating location 215
3.6.5 Driving on public roads 216
3.6.6 Working with backhoe bucket 220
3.6.7 Flattening the ground 222
3.6.8 Working with hydraulic hammer 223
3.6.9 Handling loads 225
3.6.10 Loading transport vehicle 225
3.6.10 Loading transport vehicle 225
3.6.11 Lifting loads 226
3.6.12 Lifting loads with quick coupler 227
3.6.13 Driving technique 228
3.6.14 Use of banksmen 228
3.6.12 Lifting loads with quick coupler 227
3.6.13 Driving technique 228
3.6.14 Use of banksmen 228
3.7 Installing and removing working attachment 229
3.7.1 Using quick coupler 229
3.7.1 Using quick coupler 229
3.8 Parking machine 230
3.9 Transport 231
3.9.1 Preparatory work 231
3.9 Transport 231
3.9.1 Preparatory work 231
3.9.2 Driving machine onto low-loader 231
copyright © Liebherr-Hydraulikbagger GmbH 2019
14 LIEBHERR A 912 Compact Litronic – 1506 / 74759
14 LIEBHERR A 912 Compact Litronic – 1506 / 74759
LHBM2203384/01/2018-10-14/en
LHB/M2203384/01/2019-10-14/en
LHB/M2203384/01/2019-10-14/en
Operator’s manual
Contents
3.9.3 Lifting machine 232
3.9.4 Tying down the machine 237
3.10 Emergency operation 238
3.10.1 Jump starting 238
3.10.2 Lowering working attachment when engine is shut off 239
3.10.3 Towing 239
3.10.4 Transmission 242
4 Malfunctions 245
4.1 Service code tables 245
41.1 Warning symbols 245
4.2 Fault – Cause – Remedy 252
421 Diesel engine and fuel system 252
4.22 Hydraulic system 255
4.2.3 Electrical system 256
4.2.4 Heating, ventilation and air conditioning unit 256
42,5 Working attachment 256
4.3 Problem remedy 258
4.3.1 Fuses and relays in the uppercarriage 258
4.3.2 Operator’s platform fuses and relays 264
5 Maintenance 271
5.1 Inspection and maintenance schedule 271
5.2 Filling quantities and lubrication chart 276
5.2.1 Filling quantities 276
5.2.2 Lubrication chart 277
5.3 Fuels, lubricants and operating fluids 281
5.3.1 General information about lubricants and fuels 281
53.2 Diesel fuels 281
5.3.3 Diesel exhaust fluids 282
5.3.4 Engine oils 283
5.3.5 Refrigerant 284
5.3.6 Coolant 285
5.3.7 Hydraulic oils 286
5.3.8 Axle oils 288
3.9.4 Tying down the machine 237
3.10 Emergency operation 238
3.10.1 Jump starting 238
3.10.2 Lowering working attachment when engine is shut off 239
3.10.3 Towing 239
3.10.4 Transmission 242
4 Malfunctions 245
4.1 Service code tables 245
41.1 Warning symbols 245
4.2 Fault – Cause – Remedy 252
421 Diesel engine and fuel system 252
4.22 Hydraulic system 255
4.2.3 Electrical system 256
4.2.4 Heating, ventilation and air conditioning unit 256
42,5 Working attachment 256
4.3 Problem remedy 258
4.3.1 Fuses and relays in the uppercarriage 258
4.3.2 Operator’s platform fuses and relays 264
5 Maintenance 271
5.1 Inspection and maintenance schedule 271
5.2 Filling quantities and lubrication chart 276
5.2.1 Filling quantities 276
5.2.2 Lubrication chart 277
5.3 Fuels, lubricants and operating fluids 281
5.3.1 General information about lubricants and fuels 281
53.2 Diesel fuels 281
5.3.3 Diesel exhaust fluids 282
5.3.4 Engine oils 283
5.3.5 Refrigerant 284
5.3.6 Coolant 285
5.3.7 Hydraulic oils 286
5.3.8 Axle oils 288
5.3.9 Gear oils 288
5.3.10 Transmission oils 289
5.3.11 Greases 289
5.3.12 Windscreen washer fluid 290
5.3.13 Lubricants and care products for electrical and mechanical systems 290
Access points for maintenance work 291
5.4.1 Access points on uppercarriage 291
5.4.2 Access points under the uppercarriage 292
Preparing for maintenance 293
5.5.1 Maintenance procedures 293
5.5.2 Preparing for maintenance 294
5.5.3 Putting machine in maintenance position 296
General maintenance 297
56.1 Welding 297
5.6.2 Corrosion-proofing piston rods 297
5.6.3 Cleaning the machine 298
5.6.4 Cleaning the fan and radiator 300
Complete machine 301
5.7.1 Checking machine for proper condition and tightness 301
5.7.2 Lubricating bearings on machine and working attachment 305
5.7.3 Checking components for cracks 307
5.7.4 Lubricating hinges, locks and gas pressure springs of doors, hoods and
windows 308
5.7.5 Filling in sample data sheet 308
Drive group 314
5.8.1 Diesel engine: Bringing into maintenance position 314
5.8.2 Diesel engine: Checking oil level 314
5.8.3 Fuel pre-filter: Draining water 315
5.8.4 Fuel tank: Draining water and sediments 316
5.8.5 Air filter: Emptying dust collecting tank 318
5.8.6 Air filter: Replacing main filter cartridge 318
5.8.7 Air filter: Replacing safety filter cartridge 320
5.8.8 Regenerating exhaust system 321
Cooling system 325
5.9.1 Checking coolant level 325
5.3.10 Transmission oils 289
5.3.11 Greases 289
5.3.12 Windscreen washer fluid 290
5.3.13 Lubricants and care products for electrical and mechanical systems 290
Access points for maintenance work 291
5.4.1 Access points on uppercarriage 291
5.4.2 Access points under the uppercarriage 292
Preparing for maintenance 293
5.5.1 Maintenance procedures 293
5.5.2 Preparing for maintenance 294
5.5.3 Putting machine in maintenance position 296
General maintenance 297
56.1 Welding 297
5.6.2 Corrosion-proofing piston rods 297
5.6.3 Cleaning the machine 298
5.6.4 Cleaning the fan and radiator 300
Complete machine 301
5.7.1 Checking machine for proper condition and tightness 301
5.7.2 Lubricating bearings on machine and working attachment 305
5.7.3 Checking components for cracks 307
5.7.4 Lubricating hinges, locks and gas pressure springs of doors, hoods and
windows 308
5.7.5 Filling in sample data sheet 308
Drive group 314
5.8.1 Diesel engine: Bringing into maintenance position 314
5.8.2 Diesel engine: Checking oil level 314
5.8.3 Fuel pre-filter: Draining water 315
5.8.4 Fuel tank: Draining water and sediments 316
5.8.5 Air filter: Emptying dust collecting tank 318
5.8.6 Air filter: Replacing main filter cartridge 318
5.8.7 Air filter: Replacing safety filter cartridge 320
5.8.8 Regenerating exhaust system 321
Cooling system 325
5.9.1 Checking coolant level 325
16
copyright ® Liebherr-Hydraulikbagger GmbH 2019
A 912 Compact Litronic – 1506 / 74759
LHBM2203384/01/2018-10-14/en
LHB/M2203384/01/2019-10-14/en
LHB/M2203384/01/2019-10-14/en
Operator’s manual Contents
5.9.2 Checking cooling system and heat exchanger for contamination 326
5.10 Working hydraulics 328
5.10.1 Depressurising hydraulic system 328
5.10.2 Hydraulic tank: Checking oil level 328
5.10.3 Hydraulic tank: Draining water and sediments 331
5.10.4 Return filter: Checking and cleaning magnetic rod 333
5.10.5 Bypass filter (option): Checking degree of contamination of filter
cartridge 334
5.11 Electrical system 335
5.11.1 General information 335
512 Axles 336
5.12.1 Lubricating axles 336
5.12.2 Tyres: Checking tyre pressure 336
5.12.3 Wheels: Checking mounting of wheel nuts 338
5.13 Working attachment 339
5.13.1 Lubricating working tool 339
5.13.2 Checking pin bearings for wear 339
5.14 Operator’s cab, heating and air conditioning 340
5.14.1 Filling with windscreen washer fluid 340
5.14.2 Heating: Checking function 340
5.14.3 Auxiliary heater (option): Checking function 342
5.14.4 Switching on air conditioning unit 342
5.14.5 Checking and cleaning air conditioning condenser 343
5.15 Lubrication system 344
5.15.1 Lubrication system: Filling with grease 344
5.15.2 Checking lubrication of bearings (grease collar) 345
5.16 Slewing gearbox and slewing ring 346
5.16.1 Slewing gearbox: Checking oil level 346
6 Appendix 349
6.1 Symbols on control description sticker 349
6.1 General symbols 349
6.1 Control changeover 350
6.1 Optional equipment 351
6.1 Working tools 351
copyright © Liebherr-Hydraulikbagger GmbH 2019
A 912 Compact Litronic – 1506 / 74759 LIEBHERR 17
Contents Operator’s manual
8.1 Working attachment 353
6.1 Support 355
6.1 Height-adjustable cab 355
6.1 Wheeled excavator travel mode 356
6.1 Crawler excavator travel mode 356
6.1 Rail excavator travel mode 357
Index 359
5.9.2 Checking cooling system and heat exchanger for contamination 326
5.10 Working hydraulics 328
5.10.1 Depressurising hydraulic system 328
5.10.2 Hydraulic tank: Checking oil level 328
5.10.3 Hydraulic tank: Draining water and sediments 331
5.10.4 Return filter: Checking and cleaning magnetic rod 333
5.10.5 Bypass filter (option): Checking degree of contamination of filter
cartridge 334
5.11 Electrical system 335
5.11.1 General information 335
512 Axles 336
5.12.1 Lubricating axles 336
5.12.2 Tyres: Checking tyre pressure 336
5.12.3 Wheels: Checking mounting of wheel nuts 338
5.13 Working attachment 339
5.13.1 Lubricating working tool 339
5.13.2 Checking pin bearings for wear 339
5.14 Operator’s cab, heating and air conditioning 340
5.14.1 Filling with windscreen washer fluid 340
5.14.2 Heating: Checking function 340
5.14.3 Auxiliary heater (option): Checking function 342
5.14.4 Switching on air conditioning unit 342
5.14.5 Checking and cleaning air conditioning condenser 343
5.15 Lubrication system 344
5.15.1 Lubrication system: Filling with grease 344
5.15.2 Checking lubrication of bearings (grease collar) 345
5.16 Slewing gearbox and slewing ring 346
5.16.1 Slewing gearbox: Checking oil level 346
6 Appendix 349
6.1 Symbols on control description sticker 349
6.1 General symbols 349
6.1 Control changeover 350
6.1 Optional equipment 351
6.1 Working tools 351
copyright © Liebherr-Hydraulikbagger GmbH 2019
A 912 Compact Litronic – 1506 / 74759 LIEBHERR 17
Contents Operator’s manual
8.1 Working attachment 353
6.1 Support 355
6.1 Height-adjustable cab 355
6.1 Wheeled excavator travel mode 356
6.1 Crawler excavator travel mode 356
6.1 Rail excavator travel mode 357
Index 359
IMAGES PREVIEW OF THE MANUAL:
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PLEASE NOTE:
- This is the SAME exact manual used by your dealers to fix your vehicle.
- The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
- Any queries / doubts regarding your purchase, please feel free to contact [email protected]
S.V
