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Liebherr R 926 1715 (USA CAN) Hydraulic Excavator Operator’s Manual SN 49251 – PDF DOWNLOAD
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Liebherr R 926 1715 (USA CAN) Hydraulic Excavator Operator’s Manual SN 49251 – PDF DOWNLOAD
Product ID
Manufacturer: Liebherr-France SAS
Type: R 926
Type no.: 1715 (USA / CAN)
From Serial no.: 49251
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Description
Liebherr R 926 1715 (USA CAN) Hydraulic Excavator Operator’s Manual SN 49251 – PDF DOWNLOAD
FILE DETAILS:
Liebherr R 926 1715 (USA CAN) Hydraulic Excavator Operator’s Manual SN 49251 – PDF DOWNLOAD
Language : English
Pages : 364
Downloadable : Yes
File Type : PDF
DESCRIPTION:
Liebherr R 926 1715 (USA CAN) Hydraulic Excavator Operator’s Manual SN 49251 – PDF DOWNLOAD
Product ID
Manufacturer: Liebherr-France SAS
Type: R 926
Type no.: 1715 (USA / CAN)
From Serial no.: 49251
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 R 926 1715 (USA CAN) Hydraulic Excavator Operator’s Manual SN 49251 – PDF DOWNLOAD
1 Product description 17
1.1 Technical description 17
1.1.1 General overview 17
1.1.2 Uppercarriage 18
1.1.3 Undercarriage 19
1.2 Technical data 20
1.2.1 Vibration emission 20
1.2.2 Sound level 20
1.2.3 Specifications 21
1.3 Warranty conditions 22
1.3.1 Additional information, USA 22
1.3.2 Warranty declaration, emission limits, warranty rights and obligations 22
1.3.3 Warranty coverage from manufacturer 22
1.3.4 Warranty obligations of the owner 23
1.3.5 Warranty 23
1.3.6 Warranty parts 23
1.3.7 Exclusions 24
2 Safety warnings 25
2.1 Information on these instructions 25
2.1.1 Representation of warning messages 25
2.1.2 Graphic symbols in these instructions 25
2.2 Intended use 26
2.21 Laws, rules, guidelines and safety regulations 26
2.22 Intended use 26
2.2.3 Foreseeable misuse 27
2.2.4 Operating conditions 27
225 Disposal 28
2.3 Description of staff 29
2.3.1 Personal protective equipment 29
23.2 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
Signs on the machine 35
2.41 Locations of signs 35
2.42 Warning signs 36
2.4.3 Information signs 39
2.4.4 Identification plates 43
Protective devices on the machine 43
2.51 Safety lever or folding console 43
2.5.2 Operator’s cab 43
25.3 Height-adjustable operator’s cab 44
2.5.4 Tip over protective structure (TOPS) 44
2.5.5 Roll over protective structure (ROPS) 45
2.5.6 Falling object protective structures (FOPS and FGPS) 45
Emergency equipment on the machine 46
2.6.1 Emergency exit (standard) 46
2.6.2 Fire extinguisher (option) 46
2.6.3 Emergency command devices of machine 46
2.6.4 Emergency stop function of machine 47
Safe operation 47
2.7.1 Intoxicants 47
27.2 Dangerous fuels and operating fluids 47
2.7.3 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
23.2 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
Signs on the machine 35
2.41 Locations of signs 35
2.42 Warning signs 36
2.4.3 Information signs 39
2.4.4 Identification plates 43
Protective devices on the machine 43
2.51 Safety lever or folding console 43
2.5.2 Operator’s cab 43
25.3 Height-adjustable operator’s cab 44
2.5.4 Tip over protective structure (TOPS) 44
2.5.5 Roll over protective structure (ROPS) 45
2.5.6 Falling object protective structures (FOPS and FGPS) 45
Emergency equipment on the machine 46
2.6.1 Emergency exit (standard) 46
2.6.2 Fire extinguisher (option) 46
2.6.3 Emergency command devices of machine 46
2.6.4 Emergency stop function of machine 47
Safe operation 47
2.7.1 Intoxicants 47
27.2 Dangerous fuels and operating fluids 47
2.7.3 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
copyright ® Liebhem-France SAS 2019
LIEBHERR R926 -1715 (USA/CAN) / 49251
LFR/12255372/01/2018-11-05/en
LFR/12255372/01/2019-11-05/en
LFR/12255372/01/2019-11-05/en
Operator’s manual
Contents
2.7.9 Load-liting work 54
2.8 Safe maintenance 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
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 (option) 59
3.1.4 Further control units 59
3.2 Display 60
3.2.1 Display 60
3.22 Status symbols 61
3.23 Start page menu 68
3.2.4 Camera menu 69
3.2.5 Air conditioning 70
3.2.6 Operating status menu 71
3.2.7 Diesel particulate filter submenu (option) 72
2.8 Safe maintenance 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
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 (option) 59
3.1.4 Further control units 59
3.2 Display 60
3.2.1 Display 60
3.22 Status symbols 61
3.23 Start page menu 68
3.2.4 Camera menu 69
3.2.5 Air conditioning 70
3.2.6 Operating status menu 71
3.2.7 Diesel particulate filter submenu (option) 72
3.2.8 Sensor-controlled low idle automatic and automatic engine stop
submenu (option) 73
3.29 Measurement displays submenu 74
3.2.10 System settings menu 74
3.2.11 Operating hour meter submenu 76
3.2.12 Windscreen wiper interval submenu 76
3.2.13 Radio remote control submenu 77
3.2.14 Display brightness and display volume submenu 78
3.2.15 Camera image contrast submenu 78
3.2.16 Camera return time submenu 79
3.2.17 Unit selection submenu 79
3.2.18 System diagnosis submenu (SCOTTI) 80
3.2.19 Time zone submenu 80
submenu (option) 73
3.29 Measurement displays submenu 74
3.2.10 System settings menu 74
3.2.11 Operating hour meter submenu 76
3.2.12 Windscreen wiper interval submenu 76
3.2.13 Radio remote control submenu 77
3.2.14 Display brightness and display volume submenu 78
3.2.15 Camera image contrast submenu 78
3.2.16 Camera return time submenu 79
3.2.17 Unit selection submenu 79
3.2.18 System diagnosis submenu (SCOTTI) 80
3.2.19 Time zone submenu 80
copyright @ Liebherr-France SAS 2019
LIEBHERR 9
R926 – 1715 (USA/CAN) / 492561
Contents
Contents
Operator’s manual
3.3
3.2.20 Time format and date format submenu 81
3.2.21 Language selection submenu 81
3.2.22 Brightness of LED headlights submenu (option) 82
3.2.23 Unlocking with PIN code (option) submenu 83
3.2.24 Electrical outputs submenu 83
3.2.25 Electrical inputs submenu 84
3.2.26 Function settings menu 85
3.2.27 Central lubrication system submenu (option) 86
3.2.28 Maintenance submenu 87
3.2.29 SF submenu 88
3.2.30 User profile submenu 89
3.2.31 Working tools submenu 90
3.2.32 Movement restriction for boom and movement restriction for stick
3.2.21 Language selection submenu 81
3.2.22 Brightness of LED headlights submenu (option) 82
3.2.23 Unlocking with PIN code (option) submenu 83
3.2.24 Electrical outputs submenu 83
3.2.25 Electrical inputs submenu 84
3.2.26 Function settings menu 85
3.2.27 Central lubrication system submenu (option) 86
3.2.28 Maintenance submenu 87
3.2.29 SF submenu 88
3.2.30 User profile submenu 89
3.2.31 Working tools submenu 90
3.2.32 Movement restriction for boom and movement restriction for stick
submenu (option) 92
3.2.33 Automatic reversible fan drive submenu (option) 93
3.2.34 Priority between lifting boom and turning uppercarriage submenu 94
3.2.35 Priority between working tool and working attachment submenu 94
3.2.36 Stick priority submenu (option) 95
3.2.37 Braking force of slewing brake submenu 96
3.2.38 On-screen keyboard submenu 96
3.2.39 Information menu 97
3.2.40 Operating hours submenu 97
3.2.41 Fuel consumption submenu 98
3.2.42 Key assignment submenu 99
3.2.43 CodingKey submenu 99
3.2.44 Tool Control menu 100
3.2.45 Tool Control symbols 101
3.2.46 Service codes menu 102
3.2.47 Deleting rotary motion error symbols 104
Control 106
3.3.1 Battery main switch 106
3.3.2 Entering and exiting machine 107
3.3.3 Emergency exit 108
3.3.4 Fire extinguisher (option) 109
3.3.5 Folding console 109
3.2.33 Automatic reversible fan drive submenu (option) 93
3.2.34 Priority between lifting boom and turning uppercarriage submenu 94
3.2.35 Priority between working tool and working attachment submenu 94
3.2.36 Stick priority submenu (option) 95
3.2.37 Braking force of slewing brake submenu 96
3.2.38 On-screen keyboard submenu 96
3.2.39 Information menu 97
3.2.40 Operating hours submenu 97
3.2.41 Fuel consumption submenu 98
3.2.42 Key assignment submenu 99
3.2.43 CodingKey submenu 99
3.2.44 Tool Control menu 100
3.2.45 Tool Control symbols 101
3.2.46 Service codes menu 102
3.2.47 Deleting rotary motion error symbols 104
Control 106
3.3.1 Battery main switch 106
3.3.2 Entering and exiting machine 107
3.3.3 Emergency exit 108
3.3.4 Fire extinguisher (option) 109
3.3.5 Folding console 109
10
copyright ® Liebhem-France SAS 2019
R926 -1715 (USA/CAN) / 49251
LFR/12255372/01/2018-11-05/en
LFR/12255372/01/2019-11-05/en
LFR/12255372/01/2019-11-05/en
Operator’s manual
Contents
R926 – 1715 (USA/CAN) / 492561
3.3.6 Operator’s seat 1M
3.3.7 Safety belt 118
3.3.8 Confirmation button 120
3.3.9 Horn 121
3.3.10 Windscreen 122
3.3.11 Sun blinds 124
3.3.12 Side windows 126
3.3.13 Viewing devices 126
3.3.14 Lighting 133
3.3.15 Cab lighting system 135
3.3.16 Windscreen wipers 136
3.3.17 Auxiliary heater (option) 136
3.4 Operation 138
3.4.1 Inspection tour before putting into service 138
3.4.2 Refuelling 139
3.43 Refuelling with electric refuelling pump (option) 139
3.4.4 Refuelling diesel exhaust fluid 141
3.45 Immobiliser 142
3.46 Preparing machine for dust intensive application 148
3.4.7 Preparing machine for use in biologically sensitive areas 148
3.4.8 Starting diesel engine 148
3.49 Bringing machine to operating temperature 150
3.4.10 Engine speed and operating mode 150
3.4.11 After starting 151
3.4.12 Sensor-controlled low idle automatic 152
3.4.13 Automatic engine stop after idling (option) 154
3.4.14 Shutting off diesel engine 154
3.4.15 Travelling and braking 156
3.4.16 Travel alarm (option) 160
3.4.17 Controlling the working attachment 160
3.4.18 Turning and braking uppercarriage 162
3.4.19 Float position of boom (option) 164
3.4.20 Controlling special working attachment without mini-joystick (option) 167
3.4.21 Controlling special working attachment with mini-joystick (option) 170
3.4.22 Tiltrotator (option) 173
copyright @ Liebherr-France SAS 2019
3.3.7 Safety belt 118
3.3.8 Confirmation button 120
3.3.9 Horn 121
3.3.10 Windscreen 122
3.3.11 Sun blinds 124
3.3.12 Side windows 126
3.3.13 Viewing devices 126
3.3.14 Lighting 133
3.3.15 Cab lighting system 135
3.3.16 Windscreen wipers 136
3.3.17 Auxiliary heater (option) 136
3.4 Operation 138
3.4.1 Inspection tour before putting into service 138
3.4.2 Refuelling 139
3.43 Refuelling with electric refuelling pump (option) 139
3.4.4 Refuelling diesel exhaust fluid 141
3.45 Immobiliser 142
3.46 Preparing machine for dust intensive application 148
3.4.7 Preparing machine for use in biologically sensitive areas 148
3.4.8 Starting diesel engine 148
3.49 Bringing machine to operating temperature 150
3.4.10 Engine speed and operating mode 150
3.4.11 After starting 151
3.4.12 Sensor-controlled low idle automatic 152
3.4.13 Automatic engine stop after idling (option) 154
3.4.14 Shutting off diesel engine 154
3.4.15 Travelling and braking 156
3.4.16 Travel alarm (option) 160
3.4.17 Controlling the working attachment 160
3.4.18 Turning and braking uppercarriage 162
3.4.19 Float position of boom (option) 164
3.4.20 Controlling special working attachment without mini-joystick (option) 167
3.4.21 Controlling special working attachment with mini-joystick (option) 170
3.4.22 Tiltrotator (option) 173
copyright @ Liebherr-France SAS 2019
LIEBHERR 1
Contents Operator’s manual
3.4.23 Using working tool in continuous mode (option) 174
3.4.24 Control changeover (option) 176
3.4.25 Changing over control of joystick control (option) 178
Contents Operator’s manual
3.4.23 Using working tool in continuous mode (option) 174
3.4.24 Control changeover (option) 176
3.4.25 Changing over control of joystick control (option) 178
3.5 Movement restriction for working attachment 179
3.5.1 Movement restriction for stick (option) 179
3.5.1 Movement restriction for stick (option) 179
3.5.2 Movement restriction for boom (option) 182
3.5.3 Overload warning system (option) 185
3.6 General working methods 187
3.6.1 Working without damaging machine 187
3.6.1 Working without damaging machine 187
3.6.2 Putting machine in working position 189
3.6.3 Travelling on slopes 189
3.6.4 Travelling under obstacles 191
3.6.5 Working in water 191
3.6.6 Working on slope 191
3.6.7 Working with backhoe bucket 192
3.6.8 Ground surface grading 193
3.6.9 Working with hydraulic hammer 194
3.6.10 Working with the grapple 197
3.6.10 Working with the grapple 197
3.6.11 Working with clamshell 197
3.6.12 Handling loads 199
3.6.13 Loading transport vehicle 199
3.6.14 Lifting loads 200
3.6.15 Lifting loads with quick coupler 201
3.6.16 Lifting loads with load lift hook (option) 202
3.6.12 Handling loads 199
3.6.13 Loading transport vehicle 199
3.6.14 Lifting loads 200
3.6.15 Lifting loads with quick coupler 201
3.6.16 Lifting loads with load lift hook (option) 202
3.7 Installing and removing working attachment 203
3.7.1 Installing and removing working attachment pins 203
3.7.1 Installing and removing working attachment pins 203
3.7.2 Installing and removing bucket 203
3.7.3 Installing and removing bucket with special seal 205
3.7.4 Using quick coupler 206
3.7.5 Installing and removing grapple on the stick 206
3.7.6 Installing and removing grapple on industrial stick 208
3.7.7 Installing and removing stick 210
3.7.8 Installing and removing boom 210
3.8 Parking machine 21
3.8.1 Parking machine on level ground 21
3.8.1 Parking machine on level ground 21
copyright © Liebherr-France SAS 2019
12 LIEBHERR R826 – 1715 (USA / CAN) / 40251
12 LIEBHERR R826 – 1715 (USA / CAN) / 40251
LFR/12255372/01/2018-11-05/en
LFR/12255372/01/2019-11-05/en
LFR/12255372/01/2019-11-05/en
Operator’s manual
Contents
3.8.2 Parking machine on a slope 212
3.9 Transport 213
3.9.1 Preparatory work 213
3.9.2 Driving machine onto low-loader 215
3.9.3 Lifting machine 217
3.9.4 Tying down machine 221
3.9.5 After transport 222
3.10 Emergency operation 225
3.10.1 Jump starting 225
3.10.2 Lowering working attachment when engine is shut off 226
3.10.3 Central lubrication system 227
3.10.4 Towing 227
4 Malfunctions 229
4.1 Service code tables 229
4.1.1 Warning symbols 229
41.2 SCR system 232
4.2 Fault – Cause – Remedy 234
4.21 Diesel engine and fuel system 234
422 Hydraulic system 237
4.2.3 Travel gear 237
42.4 Electrical system 238
4.2.5 Heating, ventilation and air conditioning unit 238
426 Working attachment 239
4.3 Problem remedy 240
4.3.1 Fuses and relays 240
5 Maintenance 249
5.1 Inspection and maintenance schedule 249
5.2 Filling quantities and lubrication chart 254
5.2.1 Filling quantities 254
5.2.2 Lubrication chart 255
5.3 Fuels, lubricants and operating fluids 261
5.3.1 Diesel fuels 261
5.3.2 Diesel exhaust fluids 262
copyright @ Liebherr-France SAS 2019
copyright @ Liebherr-France SAS 2019
LIEBHERR 13
R926 – 1715 (USA/CAN) / 492561
Contents Operator’s manual
Contents Operator’s manual
5.3.3 Engine oils 262
5.3.4 Refrigerant 264
53.56 Coolant 264
5.3.6 Hydraulic oils 265
53.7 Gear oils 267
5.3.8 Pump distributor gear oils 268
5.3.9 Greases 269
5.3.10 Windscreen washer fluid 269
5.3.11 Lubricants and care products for electrical and mechanical systems 270
54 Access points for maintenance work 271
5.4.1 Access points on uppercarriage 271
5.4.2 Access points under uppercarriage 272
5.4.3 Access points on undercarriage 273
55 Preparing for maintenance 274
5.5.1 Maintenance procedures 274
5.5.2 Safety instructions 275
5.5.3 Putting machine in maintenance position 276
5.6 General maintenance 278
56.1 Welding 278
5.6.2 Bleeding hydraulic cylinders 278
5.6.3 Applying corrosion protection to piston rods 279
5.6.4 Cleaning the machine 280
5.6.5 Cleaning travel gear 281
5.6.6 Cleaning fan and radiator 282
5.6.7 Corrosion protection 282
5.7 Complete machine 293
5.7.1 Checking machine for proper condition and tightness 293
5.7.2 Visual inspection before putting into service 293
5.7.3 Lubricating bearings on machine and working attachment 293
5.7.4 Checking components for cracks 294
5.7.5 Filling in sample data sheet 296
5.8 Drive group 302
5.8.1 Diesel engine: Putting in maintenance position 302
5.8.2 Diesel engine: Checking oil level 302
5.8.3 Fuel pre-filter: Draining water 304
5.3.4 Refrigerant 264
53.56 Coolant 264
5.3.6 Hydraulic oils 265
53.7 Gear oils 267
5.3.8 Pump distributor gear oils 268
5.3.9 Greases 269
5.3.10 Windscreen washer fluid 269
5.3.11 Lubricants and care products for electrical and mechanical systems 270
54 Access points for maintenance work 271
5.4.1 Access points on uppercarriage 271
5.4.2 Access points under uppercarriage 272
5.4.3 Access points on undercarriage 273
55 Preparing for maintenance 274
5.5.1 Maintenance procedures 274
5.5.2 Safety instructions 275
5.5.3 Putting machine in maintenance position 276
5.6 General maintenance 278
56.1 Welding 278
5.6.2 Bleeding hydraulic cylinders 278
5.6.3 Applying corrosion protection to piston rods 279
5.6.4 Cleaning the machine 280
5.6.5 Cleaning travel gear 281
5.6.6 Cleaning fan and radiator 282
5.6.7 Corrosion protection 282
5.7 Complete machine 293
5.7.1 Checking machine for proper condition and tightness 293
5.7.2 Visual inspection before putting into service 293
5.7.3 Lubricating bearings on machine and working attachment 293
5.7.4 Checking components for cracks 294
5.7.5 Filling in sample data sheet 296
5.8 Drive group 302
5.8.1 Diesel engine: Putting in maintenance position 302
5.8.2 Diesel engine: Checking oil level 302
5.8.3 Fuel pre-filter: Draining water 304
copyright ® Liebhem-France SAS 2019
14 LIEBHERR R926 – 1715 (USA / CAN) / 49251
LFR/12255372/01/2018-11-05/en
LFR/12255372/01/2019-11-05/en
LFR/12255372/01/2019-11-05/en
Operator’s manual Contents
5.8.4 Fuel tank: Draining water and sediments 305
5.8.5 Air filter: Emptying dust collecting tank 306
5.8.6 Air filter: Replacing main filter cartridge 306
5.8.7 Pump distributor gear: Checking oil level 308
5.8.8 Diesel particulate filter (option): Activating and deactivating
5.8.4 Fuel tank: Draining water and sediments 305
5.8.5 Air filter: Emptying dust collecting tank 306
5.8.6 Air filter: Replacing main filter cartridge 306
5.8.7 Pump distributor gear: Checking oil level 308
5.8.8 Diesel particulate filter (option): Activating and deactivating
regeneration 308
5.8.9 Diesel exhaust fluid tank: Cleaning sieve 310
5.9 Cooling system 3
5.9.1 Checking coolant level 31
5.9.2 Coolant: Checking concentration 312
5.10 Working hydraulics 316
5.10.1 Depressurising hydraulic system 316
5.10.2 Hydraulic tank: Checking oil level 317
5.10.3 Hydraulic tank: Draining water and sediments 319
5.10.4 Bypass filter (option): Checking level of contamination of filter cartridge ~~ 320
5.10.5 Hydraulic hoses: Checking condition and tightness 320
5.11 Electrical system 322
5.11.1 General information 322
5.12 Travel gear 323
5.12.1 Checking track tension 323
5.12.2 Tightening track 324
5.12.3 Slackening track 325
5.12.4 Determining track type 326
5.8.9 Diesel exhaust fluid tank: Cleaning sieve 310
5.9 Cooling system 3
5.9.1 Checking coolant level 31
5.9.2 Coolant: Checking concentration 312
5.10 Working hydraulics 316
5.10.1 Depressurising hydraulic system 316
5.10.2 Hydraulic tank: Checking oil level 317
5.10.3 Hydraulic tank: Draining water and sediments 319
5.10.4 Bypass filter (option): Checking level of contamination of filter cartridge ~~ 320
5.10.5 Hydraulic hoses: Checking condition and tightness 320
5.11 Electrical system 322
5.11.1 General information 322
5.12 Travel gear 323
5.12.1 Checking track tension 323
5.12.2 Tightening track 324
5.12.3 Slackening track 325
5.12.4 Determining track type 326
5.12.5 Checking tracks, sprocket wheels, idler-wheels, carrier rollers and track
rollers for wear 327
5.12.6 Visual inspection of travel gear components 327
5.13 Working attachment 328
5.13.1 Lubricating working tool 328
5.13.2 Checking pin bearings for wear 328
5.14 Operator’s cab, heating and air conditioning 330
5.14.1 Filling with windscreen washer fluid 330
5.14.2 Heating: Checking function 330
5.14.3 Auxiliary heater (option): Checking function 332
5.14.4 Switching on air conditioning unit 333
5.14.5 Cleaning pre-filter 333
5.15 Lubrication system 335
rollers for wear 327
5.12.6 Visual inspection of travel gear components 327
5.13 Working attachment 328
5.13.1 Lubricating working tool 328
5.13.2 Checking pin bearings for wear 328
5.14 Operator’s cab, heating and air conditioning 330
5.14.1 Filling with windscreen washer fluid 330
5.14.2 Heating: Checking function 330
5.14.3 Auxiliary heater (option): Checking function 332
5.14.4 Switching on air conditioning unit 333
5.14.5 Cleaning pre-filter 333
5.15 Lubrication system 335
copyright @ Liebherr-France SAS 2019
R926 – 1715 (USA / CAN) / 49251 LIEBHERR 15
Contents Operator’s manual
5.15.1 Lubrication system: Filling with grease 335
Contents Operator’s manual
5.15.1 Lubrication system: Filling with grease 335
5.16.2 Checking lubrication of bearings (grease collar) 335
5.16 Slewing gearbox and slewing ring 336
5.16.1 Slewing gearbox: Checking oil level 336
Appendix 339
6.1 Pre-tightening torque and turning angle 339
6.1.1 Procedure 339
Index 341
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