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Liebherr LH 26 EC Litronic 1672 Machine for Industrial Applications Operator’s Manual SN 83831 – PDF DOWNLOAD
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Liebherr LH 26 EC Litronic 1672 Machine for Industrial Applications Operator’s Manual SN 83831 – PDF DOWNLOAD
Product ID
Manufacturer: Liebherr-Hydraulikbagger GmbH
Type: LH 26 EC Litronic
Type no.: 1672
From Serial no.: 83831
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Description
Liebherr LH 26 EC Litronic 1672 Machine for Industrial Applications Operator’s Manual SN 83831 – PDF DOWNLOAD
FILE DETAILS:
Liebherr LH 26 EC Litronic 1672 Machine for Industrial Applications Operator’s Manual SN 83831 – PDF DOWNLOAD
Language : English
Pages : 314
Downloadable : Yes
File Type : PDF
DESCRIPTION:
Liebherr LH 26 EC Litronic 1672 Machine for Industrial Applications Operator’s Manual SN 83831 – PDF DOWNLOAD
Product ID
Manufacturer: Liebherr-Hydraulikbagger GmbH
Type: LH 26 EC Litronic
Type no.: 1672
From Serial no.: 83831
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 LH 26 EC Litronic 1672 Machine for Industrial Applications Operator’s Manual SN 83831 – PDF DOWNLOAD
1 Product description 19
1.1 Technical description 19
1.1.1 General overview 19
1.1.2 Uppercarriage 20
1.1.3 Undercarriage 21
1.2 Technical data 22
1.2.1 Vibration emission 22
1.2.2 Sound level 22
1.2.3 Electric motor 22
1.2.4 Hydraulic system 23
1.2.5 Slewing gear 23
1.2.6 Travel speed 23
1.2.7 Sound emission 23
1.2.8 Dimensions and weights 23
2 Safety warnings 25
2.1 Information on these instructions 25
21.1 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
2.2.2 Intended use 26
2.2.3 Foreseeable misuse 27
2.2.4 Operating conditions 27
22.5 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
1.1 Technical description 19
1.1.1 General overview 19
1.1.2 Uppercarriage 20
1.1.3 Undercarriage 21
1.2 Technical data 22
1.2.1 Vibration emission 22
1.2.2 Sound level 22
1.2.3 Electric motor 22
1.2.4 Hydraulic system 23
1.2.5 Slewing gear 23
1.2.6 Travel speed 23
1.2.7 Sound emission 23
1.2.8 Dimensions and weights 23
2 Safety warnings 25
2.1 Information on these instructions 25
21.1 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
2.2.2 Intended use 26
2.2.3 Foreseeable misuse 27
2.2.4 Operating conditions 27
22.5 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 Electrician 32
2.3.8 Refrigeration technician 33
23.9 Slinger 34
2.3.10 Spotter 35
Signs on the machine 36
2.41 Warning signs 36
2.42 Information signs 40
2.4.3 Control description sticker 44
2.4.4 Identification plate 44
Protective devices on the machine 45
2.5.1 Safety lever or folding console 45
2.5.2 Operator’s cab 45
2.5.3 Height-adjustable operator’s cab 45
2.5.4 Tip over protective structure (TOPS) 46
25.5 Roll over protective structure (ROPS) 46
2.5.6 Falling object protective structures (FOPS and FGPS) 47
Emergency equipment on the machine 47
2.6.1 Emergency exit (standard) 47
2.6.2 Fire extinguisher (option) 47
2.6.3 Emergency command devices of machine 48
Safe operation 48
2.71 Intoxicants 48
2.7.2 Dangerous fuels and operating fluids 49
2.7.3 Transporting machine 49
2.7.4 Access to machine 50
2.7.5 Machine danger zone 51
2.7.6 Visibility 51
2.7.7 Protection against vibration 52
2.7.8 Operation of machine 53
2.7.9 Load-lifting work 55
Safe work 55
2.8.1 Machines with electric drive 55
2.3.5 Maintenance staff 31
2.3.6 Electrical engineer 32
2.3.7 Electrician 32
2.3.8 Refrigeration technician 33
23.9 Slinger 34
2.3.10 Spotter 35
Signs on the machine 36
2.41 Warning signs 36
2.42 Information signs 40
2.4.3 Control description sticker 44
2.4.4 Identification plate 44
Protective devices on the machine 45
2.5.1 Safety lever or folding console 45
2.5.2 Operator’s cab 45
2.5.3 Height-adjustable operator’s cab 45
2.5.4 Tip over protective structure (TOPS) 46
25.5 Roll over protective structure (ROPS) 46
2.5.6 Falling object protective structures (FOPS and FGPS) 47
Emergency equipment on the machine 47
2.6.1 Emergency exit (standard) 47
2.6.2 Fire extinguisher (option) 47
2.6.3 Emergency command devices of machine 48
Safe operation 48
2.71 Intoxicants 48
2.7.2 Dangerous fuels and operating fluids 49
2.7.3 Transporting machine 49
2.7.4 Access to machine 50
2.7.5 Machine danger zone 51
2.7.6 Visibility 51
2.7.7 Protection against vibration 52
2.7.8 Operation of machine 53
2.7.9 Load-lifting work 55
Safe work 55
2.8.1 Machines with electric drive 55
10
copyright ® Liebherr-Hydraulikbagger GmbH 2018
LH 26 EC Litronic – 1672 / 83831
LHBM2243799/01/2018-12-14/en
LHB/M2243799/01/2018-12-14/en
LHB/M2243799/01/2018-12-14/en
Operator’s manual
Contents
2.8.2 Machines with height adjustable cab 56
2.9 Safe maintenance 57
2.9.1 Spare parts 57
29.2 Heavy parts 57
2.9.3 Regular checks 58
2.10 Modifications to the machine 58
2.10.1 Modifications, add-ons and retrofittings 58
3 Control and operation 59
3.1 Control and operating elements 59
3.1.1 Overview of operator’s platform 59
3.1.2 Control unit A 61
3.1.3 Control unit B 81
3.1.4 Further control units 62
3.2 Display 63
3.2.1 Display 63
3.22 Status symbols 64
3.23 Start page menu 75
3.2.4 Camera menu 75
3.2.5 Air conditioning 77
3.2.6 Operating status menu 81
3.2.7 System settings menu 81
3.2.8 Operating hour meter and odometer submenu 82
3.2.9 Windscreen wiper interval submenu 83
3.2.10 Radio remote control submenu 83
3.2.11 Display settings submenu 84
3.2.12 Display brightness and display volume submenu 84
3.2.13 Camera image contrast submenu 85
3.2.14 Camera return time submenu 85
3.2.15 Regional settings and system parameters submenu 86
3.2.16 Unit selection submenu 87
3.2.17 System diagnosis submenu 87
3.2.18 Time zone submenu 88
3.2.19 Time format and date format submenu 88
3.2.20 Language selection submenu 89
2.9 Safe maintenance 57
2.9.1 Spare parts 57
29.2 Heavy parts 57
2.9.3 Regular checks 58
2.10 Modifications to the machine 58
2.10.1 Modifications, add-ons and retrofittings 58
3 Control and operation 59
3.1 Control and operating elements 59
3.1.1 Overview of operator’s platform 59
3.1.2 Control unit A 61
3.1.3 Control unit B 81
3.1.4 Further control units 62
3.2 Display 63
3.2.1 Display 63
3.22 Status symbols 64
3.23 Start page menu 75
3.2.4 Camera menu 75
3.2.5 Air conditioning 77
3.2.6 Operating status menu 81
3.2.7 System settings menu 81
3.2.8 Operating hour meter and odometer submenu 82
3.2.9 Windscreen wiper interval submenu 83
3.2.10 Radio remote control submenu 83
3.2.11 Display settings submenu 84
3.2.12 Display brightness and display volume submenu 84
3.2.13 Camera image contrast submenu 85
3.2.14 Camera return time submenu 85
3.2.15 Regional settings and system parameters submenu 86
3.2.16 Unit selection submenu 87
3.2.17 System diagnosis submenu 87
3.2.18 Time zone submenu 88
3.2.19 Time format and date format submenu 88
3.2.20 Language selection submenu 89
copyright © Liebherr-Hydraulikbagger GmbH 2018
LH 26 EC Litronic – 1672 / 83831 LIEBHERR 11
Contents Operator’s manual
3.2.21 Electrical outputs submenu 89
3.2.22 Electrical inputs submenu 90
3.2.23 Function settings menu 91
3.2.24 Central lubrication system submenu (option) 92
3.2.25 Maintenance submenu 93
3.2.26 SF submenu 95
3.2.27 Stick cylinder shut-off submenu (option) 97
3.2.28 Hoist cylinder shut-off submenu (option) 98
3.2.29 Stick cylinder shut-off and hoist cylinder shut-off submenu (option) 98
3.2.30 Workspace limitation submenu (option) 99
3.2.31 Automatic reversible fan drive submenu (option) 99
3.2.32 Comfort slewing brake submenu (option) 100
3.2.33 Information menu 101
3.2.34 Operating time submenu 102
3.2.35 Power consumption submenu 102
3.2.36 Key assignment submenu 103
3.2.37 Tool Control menu 103
3.2.38 Service codes menu 104
LH 26 EC Litronic – 1672 / 83831 LIEBHERR 11
Contents Operator’s manual
3.2.21 Electrical outputs submenu 89
3.2.22 Electrical inputs submenu 90
3.2.23 Function settings menu 91
3.2.24 Central lubrication system submenu (option) 92
3.2.25 Maintenance submenu 93
3.2.26 SF submenu 95
3.2.27 Stick cylinder shut-off submenu (option) 97
3.2.28 Hoist cylinder shut-off submenu (option) 98
3.2.29 Stick cylinder shut-off and hoist cylinder shut-off submenu (option) 98
3.2.30 Workspace limitation submenu (option) 99
3.2.31 Automatic reversible fan drive submenu (option) 99
3.2.32 Comfort slewing brake submenu (option) 100
3.2.33 Information menu 101
3.2.34 Operating time submenu 102
3.2.35 Power consumption submenu 102
3.2.36 Key assignment submenu 103
3.2.37 Tool Control menu 103
3.2.38 Service codes menu 104
3.3 Control 106
3.3.1 Battery main switch 106
3.3.1 Battery main switch 106
3.3.2 Low-voltage main switch 106
3.3.3 Getting in and getting out 108
3.3.4 Step lighting (option) 109
3.3.5 Emergency exit 109
3.3.6 Fire extinguisher (option) 110
3.3.7 Folding console 110
3.3.8 Operator’s seat 112
3.3.9 Safety belt 118
3.3.10 Exit protection (option) 119
3.3.11 Ignition key 120
3.3.12 Confirmation button 120
3.3.13 Horn 122
3.3.14 Raising and lowering operator’s cab (option) 122
3.3.15 Windscreen 124
3.3.16 Sun blind 126
3.3.10 Exit protection (option) 119
3.3.11 Ignition key 120
3.3.12 Confirmation button 120
3.3.13 Horn 122
3.3.14 Raising and lowering operator’s cab (option) 122
3.3.15 Windscreen 124
3.3.16 Sun blind 126
copyright © Liebherr-Hydraulikbagger GmbH 2018
12 LIEBHERR LH 26 EC Litronic – 1672 / 83831
12 LIEBHERR LH 26 EC Litronic – 1672 / 83831
LHBM2243799/01/2018-12-14/en
LHB/M2243799/01/2018-12-14/en
LHB/M2243799/01/2018-12-14/en
Operator’s manual Contents
3.3.17 Viewing devices 127
3.3.18 Lighting 133
3.3.19 Cab lighting system 134
3.3.20 Beacon (option) 135
3.3.21 Windscreen wipers 136
3.3.22 Windscreen washer system 136
3.3.23 LiDAT (option) 137
3.3.17 Viewing devices 127
3.3.18 Lighting 133
3.3.19 Cab lighting system 134
3.3.20 Beacon (option) 135
3.3.21 Windscreen wipers 136
3.3.22 Windscreen washer system 136
3.3.23 LiDAT (option) 137
3.4 Operation 138
3.4.1 Inspection tour before putting into service 138
3.4.2 Supply cable 139
3.4.3 Immobiliser (option) 140
3.4.4 Preparing machine for dust intensive application 141
3.4.5 Preparing machine for use in biologically sensitive areas 141
3.4.6 Operator code (option) 142
3.4.7 Starting electric motor 143
3.4.8 Bringing machine to operating temperature 143
3.49 Operating mode and motor speed 144
3.4.10 Sensor-controlled low idle automatic 145
3.4.11 Shutting off electric motor 146
3.4.12 Shutting off electric motor in an emergency 147
3.4.13 Travelling and braking 147
3.4.14 Travel alarm (option) 150
3.4.15 Controlling working attachment 151
3.4.16 Turning and braking uppercarriage 153
3.4.17 Slewing brake 154
3.4.18 Positioning slewing brake 159
3.4.19 Selecting boom or working tool 159
3.4.20 Adjusting boom vertically 160
3.4.21 Hoist cylinder protection 161
3.4.22 Selecting the working tool 162
3.4.23 Controlling special working attachment with mini-joystick 162
3.4.24 Changing over control of right mini-joystick (option) 163
3.4.25 Grapple priority (option) 164
3.4.26 AutoLift (Option) 165
3.4.27 Magnet system (option) 165
3.4.1 Inspection tour before putting into service 138
3.4.2 Supply cable 139
3.4.3 Immobiliser (option) 140
3.4.4 Preparing machine for dust intensive application 141
3.4.5 Preparing machine for use in biologically sensitive areas 141
3.4.6 Operator code (option) 142
3.4.7 Starting electric motor 143
3.4.8 Bringing machine to operating temperature 143
3.49 Operating mode and motor speed 144
3.4.10 Sensor-controlled low idle automatic 145
3.4.11 Shutting off electric motor 146
3.4.12 Shutting off electric motor in an emergency 147
3.4.13 Travelling and braking 147
3.4.14 Travel alarm (option) 150
3.4.15 Controlling working attachment 151
3.4.16 Turning and braking uppercarriage 153
3.4.17 Slewing brake 154
3.4.18 Positioning slewing brake 159
3.4.19 Selecting boom or working tool 159
3.4.20 Adjusting boom vertically 160
3.4.21 Hoist cylinder protection 161
3.4.22 Selecting the working tool 162
3.4.23 Controlling special working attachment with mini-joystick 162
3.4.24 Changing over control of right mini-joystick (option) 163
3.4.25 Grapple priority (option) 164
3.4.26 AutoLift (Option) 165
3.4.27 Magnet system (option) 165
copyright © Liebherr-Hydraulikbagger GmbH 2018
LH 26 EC Litronic – 1672 / 83831 LIEBHERR 13
Contents Operator’s manual
3.4.28 Reversible fan drive for radiator cleaning (option) 167
LH 26 EC Litronic – 1672 / 83831 LIEBHERR 13
Contents Operator’s manual
3.4.28 Reversible fan drive for radiator cleaning (option) 167
3.5 Shut-off functions 170
3.5.1 Stick cylinder shut-off (option) 170
3.5.1 Stick cylinder shut-off (option) 170
3.5.2 Hoist cylinder shut-off (option) 173
3.56.3 Stick cylinder shut-off for heavy working tool (option) 177
3.5.4 Bypassing stick cylinder shut-off for heavy working tool 178
3.56.5 Height limitation 180
3.5.6 Depth limitation (option) 189
3.5.7 Overload warning system (option) 201
3.6 General working methods 204
3.6.1 Working without damaging the machine 204
3.6.1 Working without damaging the machine 204
3.6.2 Putting machine in working position 205
3.6.3 Travelling at operating location 206
3.6.4 Travelling with load at operating location 208
3.6.5 Travelling under obstacles 210
3.6.6 Handling loads 210
3.6.7 Loading transport vehicle 21
3.6.8 Lifting loads 212
3.6.9 Use of banksmen 212
3.7 Installing and removing working attachment 213
3.7.1 Using quick coupler 213
3.7.1 Using quick coupler 213
3.7.2 Installing and removing grapple on industrial stick 213
3.7.3 Installing and removing boom 216
3.8 Parking machine 217
3.9 Transport 218
3.9.1 Preparatory activities 218
3.9 Transport 218
3.9.1 Preparatory activities 218
3.9.2 Driving machine onto low-loader 218
3.9.3 Tying down the machine 219
3.10 Emergency operation 220
3.10.1 Lowering working attachment when engine is shut off 220
3.10.2 Lowering operator’s cab in an emergency (option) 220
3.10.3 Towing the machine 221
Malfunctions 223
4.1 Service code tables 223
3.10.1 Lowering working attachment when engine is shut off 220
3.10.2 Lowering operator’s cab in an emergency (option) 220
3.10.3 Towing the machine 221
Malfunctions 223
4.1 Service code tables 223
copyright © Liebherr-Hydraulikbagger GmbH 2018
14 LIEBHERR LH 26 EC Litronic – 1672 / 83831
14 LIEBHERR LH 26 EC Litronic – 1672 / 83831
LHBM2243799/01/2018-12-14/en
LHB/M2243799/01/2018-12-14/en
LHB/M2243799/01/2018-12-14/en
Operator’s manual Contents
41.1 Warning symbols 223
4.2 Fault – Cause – Remedy 226
4.2.1 Hydraulic system 226
422 Travel gear 226
4.2.3 Electrical system 226
4.2.4 Heating, ventilation and air conditioning unit 228
4.2.5 Working attachment 228
4.3 Problem remedy 229
4.3.1 Fuses and relays in the uppercarriage 229
4.3.2 Fuses and relays in operator’s platform 235
5 Maintenance 241
5.1 Inspection and maintenance schedule 241
5.2 Filling quantities and lubrication chart 246
5.2.1 Filling quantities 246
5.2.2 Lubrication chart 247
5.3 Fuels, lubricants and operating fluids 251
5.3.1 Refrigerant 251
53.2 Coolant 251
5.3.3 Hydraulic oils 252
5.3.4 Gear oils 254
5.3.56 Motor cable drum gear oils 255
53.6 Greases 255
5.3.7 Windscreen washer fluid 255
5.3.8 Lubricants and care products for electrical and mechanical systems 255
5.4 Access points for maintenance work 257
5.4.1 Access points on uppercarriage 257
5.4.2 Access points under uppercarriage 258
5.4.3 Access points on undercarriage 259
5.5 Preparing for maintenance 260
5.5.1 Maintenance procedures 260
5.5.2 Preparing for maintenance 261
5.5.3 Putting machine in maintenance position 263
5.6 General maintenance 264
5.6.1 Welding 264
copyright © Liebherr-Hydraulikbagger GmbH 2018
LH 26 EC Litronic – 1672 / 83831 LIEBHERR 15
Contents Operator’s manual
41.1 Warning symbols 223
4.2 Fault – Cause – Remedy 226
4.2.1 Hydraulic system 226
422 Travel gear 226
4.2.3 Electrical system 226
4.2.4 Heating, ventilation and air conditioning unit 228
4.2.5 Working attachment 228
4.3 Problem remedy 229
4.3.1 Fuses and relays in the uppercarriage 229
4.3.2 Fuses and relays in operator’s platform 235
5 Maintenance 241
5.1 Inspection and maintenance schedule 241
5.2 Filling quantities and lubrication chart 246
5.2.1 Filling quantities 246
5.2.2 Lubrication chart 247
5.3 Fuels, lubricants and operating fluids 251
5.3.1 Refrigerant 251
53.2 Coolant 251
5.3.3 Hydraulic oils 252
5.3.4 Gear oils 254
5.3.56 Motor cable drum gear oils 255
53.6 Greases 255
5.3.7 Windscreen washer fluid 255
5.3.8 Lubricants and care products for electrical and mechanical systems 255
5.4 Access points for maintenance work 257
5.4.1 Access points on uppercarriage 257
5.4.2 Access points under uppercarriage 258
5.4.3 Access points on undercarriage 259
5.5 Preparing for maintenance 260
5.5.1 Maintenance procedures 260
5.5.2 Preparing for maintenance 261
5.5.3 Putting machine in maintenance position 263
5.6 General maintenance 264
5.6.1 Welding 264
copyright © Liebherr-Hydraulikbagger GmbH 2018
LH 26 EC Litronic – 1672 / 83831 LIEBHERR 15
Contents Operator’s manual
5.6.2 Corrosion-proofing piston rods 264
5.6.3 Cleaning the machine 265
5.6.4 Cleaning travel gear 267
5.6.5 Cleaning fan and radiator 267
5.7 Complete machine 268
5.7.1 Checking machine for proper condition and tightness 268
5.7.2 Lubricating bearings on machine and working attachment 271
5.7.3 Checking components for cracks 272
5.7.4 Lubricating hinges, locks and gas pressure springs of doors, hoods and
windows 273
5.8 Cooling system 274
5.8.1 Checking cooling system and heat exchanger for contamination 274
5.8.2 Cooling system: Cleaning and checking dirt guard 274
5.8.3 Cooling system: Cleaning and checking fan 277
5.9 Working hydraulics 279
5.9.1 Depressurising hydraulic system 279
5.9.2 Hydraulic tank: Checking oil level 279
5.9.3 Hydraulic tank: Draining water and sediments 282
5.9.4 Return filter: Checking and cleaning magnetic rod 283
5.9.5 Bypass filter (option): Checking degree of contamination of filter
cartridge 284
5.10 Electrical system 286
5.10.1 General information 286
5.10.2 Checking lighting 286
5.10.3 Checking condition of supply cable 287
5.10.4 Motor cable drum (option): Checking condition and cleaning 287
5.11 Travel gear 289
5.11.1 Checking track tension 289
5.11.2 Tightening track 290
5.11.3 Slackening track 291
5.11.4 Determining track type 292
5.11.5 Track pads and sprocket wheels: Checking mounting 293
5.11.6 Checking tracks, sprocket wheels, idler-wheels, carrier rollers and track
rollers for wear 294
5.11.7 Visual inspection of travel gear components 294
5.12 Working attachment 295
5.6.3 Cleaning the machine 265
5.6.4 Cleaning travel gear 267
5.6.5 Cleaning fan and radiator 267
5.7 Complete machine 268
5.7.1 Checking machine for proper condition and tightness 268
5.7.2 Lubricating bearings on machine and working attachment 271
5.7.3 Checking components for cracks 272
5.7.4 Lubricating hinges, locks and gas pressure springs of doors, hoods and
windows 273
5.8 Cooling system 274
5.8.1 Checking cooling system and heat exchanger for contamination 274
5.8.2 Cooling system: Cleaning and checking dirt guard 274
5.8.3 Cooling system: Cleaning and checking fan 277
5.9 Working hydraulics 279
5.9.1 Depressurising hydraulic system 279
5.9.2 Hydraulic tank: Checking oil level 279
5.9.3 Hydraulic tank: Draining water and sediments 282
5.9.4 Return filter: Checking and cleaning magnetic rod 283
5.9.5 Bypass filter (option): Checking degree of contamination of filter
cartridge 284
5.10 Electrical system 286
5.10.1 General information 286
5.10.2 Checking lighting 286
5.10.3 Checking condition of supply cable 287
5.10.4 Motor cable drum (option): Checking condition and cleaning 287
5.11 Travel gear 289
5.11.1 Checking track tension 289
5.11.2 Tightening track 290
5.11.3 Slackening track 291
5.11.4 Determining track type 292
5.11.5 Track pads and sprocket wheels: Checking mounting 293
5.11.6 Checking tracks, sprocket wheels, idler-wheels, carrier rollers and track
rollers for wear 294
5.11.7 Visual inspection of travel gear components 294
5.12 Working attachment 295
copyright ® Liebherr-Hydraulikbagger GmbH 2018
16 LIEBHERR LH 26 EC Litronic – 1672 / 83831
LHBM2243799/01/2018-12-14/en
LHB/M2243799/01/2018-12-14/en
LHB/M2243799/01/2018-12-14/en
Operator’s manual
Contents
5.12.1 Lubricating working tool 295
5.12.2 Checking pin connections for secure seating 295
5.13 Operator’s cab, heating and air conditioning 296
5.13.1 Filling with windscreen washer fluid 296
5.13.2 Heating: Checking function 296
5.13.3 Stationary air conditioning: Checking function 297
5.13.4 Switching on air conditioning unit 298
5.13.5 Checking and cleaning air conditioning condenser 298
5.13.6 Checking coolant level 299
5.14 Lubrication system 301
5.14.1 Lubrication system: Filling with grease 301
5.14.2 Checking lubrication of bearings (grease collar) 301
5.15 Slewing gearbox and slewing ring 302
5.15.1 Slewing gearbox: Checking oil level 302
6 Appendix 305
Index 307
5.12.2 Checking pin connections for secure seating 295
5.13 Operator’s cab, heating and air conditioning 296
5.13.1 Filling with windscreen washer fluid 296
5.13.2 Heating: Checking function 296
5.13.3 Stationary air conditioning: Checking function 297
5.13.4 Switching on air conditioning unit 298
5.13.5 Checking and cleaning air conditioning condenser 298
5.13.6 Checking coolant level 299
5.14 Lubrication system 301
5.14.1 Lubrication system: Filling with grease 301
5.14.2 Checking lubrication of bearings (grease collar) 301
5.15 Slewing gearbox and slewing ring 302
5.15.1 Slewing gearbox: Checking oil level 302
6 Appendix 305
Index 307
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