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Liebherr LH 22 M Litronic 1250 Machine for Industrial Applications Operator’s Manual SN 87688 – PDF DOWNLOAD
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Liebherr LH 22 M Litronic 1250 Machine for Industrial Applications Operator’s Manual SN 87688 – PDF DOWNLOAD
Product ID
Manufacturer: Liebherr-Hydraulikbagger GmbH
Type: LH 22 M Litronic 1250
Type no.: 1250
From Serial no.: 87688
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Description
Liebherr LH 22 M Litronic 1250 Machine for Industrial Applications Operator’s Manual SN 87688 – PDF DOWNLOAD
FILE DETAILS:
Liebherr LH 22 M Litronic 1250 Machine for Industrial Applications Operator’s Manual SN 87688 – PDF DOWNLOAD
Language : English
Pages : 376
Downloadable : Yes
File Type : PDF
DESCRIPTION:
Liebherr LH 22 M Litronic 1250 Machine for Industrial Applications Operator’s Manual SN 87688 – PDF DOWNLOAD
Product ID
Manufacturer: Liebherr-Hydraulikbagger GmbH
Type: LH 22 M Litronic 1250
Type no.: 1250
From Serial no.: 87688
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.
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
Liebherr LH 22 M Litronic 1250 Machine for Industrial Applications Operator’s Manual SN 87688 – 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 CO2 emissions of diesel engine 22
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
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
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 Refrigeration technician 32
copyright © Liebherr-Hydraulikbagger GmbH 2018
LH 22 M Litronic – 1250 / 87688 LIEBHERR 9
Contents
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 CO2 emissions of diesel engine 22
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
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
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 Refrigeration technician 32
copyright © Liebherr-Hydraulikbagger GmbH 2018
LH 22 M Litronic – 1250 / 87688 LIEBHERR 9
Contents
Operator’s manual
2.3.8 Slinger 33
23.9 Spotter 34
2.4 Signs on the machine 35
2.41 Warning signs 35
2.42 Information signs 39
2.4.3 Control description sticker 43
2.4.4 Identification plate 44
2.5 Protective devices on the machine 44
2.51 Safety lever or folding console 44
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
2.5.5 Roll over protective structure (ROPS) 46
2.5.6 Falling object protective structures (FOPS and FGPS) 47
2.6 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 47
2.6.4 Emergency stop function of machine 48
2.7 Safe operation 48
2.7.1 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
27.9 Load-lifting work 55
2.8 Safe work 56
2.8.1 Machines with height adjustable cab 56
2.9 Safe maintenance 56
29.1 Spare parts 56
2.9.2 Heavy parts 57
2.9.3 Regular checks 57
23.9 Spotter 34
2.4 Signs on the machine 35
2.41 Warning signs 35
2.42 Information signs 39
2.4.3 Control description sticker 43
2.4.4 Identification plate 44
2.5 Protective devices on the machine 44
2.51 Safety lever or folding console 44
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
2.5.5 Roll over protective structure (ROPS) 46
2.5.6 Falling object protective structures (FOPS and FGPS) 47
2.6 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 47
2.6.4 Emergency stop function of machine 48
2.7 Safe operation 48
2.7.1 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
27.9 Load-lifting work 55
2.8 Safe work 56
2.8.1 Machines with height adjustable cab 56
2.9 Safe maintenance 56
29.1 Spare parts 56
2.9.2 Heavy parts 57
2.9.3 Regular checks 57
10
copyright ® Liebherr-Hydraulikbagger GmbH 2018
LIEBHERR LH 22 M Litronic – 1250 / 87688
LHBM2222152/01/2018-12-13/en
LHBM2222152/01/2018-12-13/en
LHBM2222152/01/2018-12-13/en
Operator’s manual Contents
2.10 Modifications to the machine 57
2.10.1 Modifications, add-ons and retrofittings 57
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 62
3.1.4 Further control units 62
3.2 Display 63
3.2.1 Display 63
3.2.2 Status symbols 64
3.2.3 Start page menu 77
3.24 Camera menu 78
3.2.5 Automatic air conditioning 79
3.2.6 Operating status menu 83
3.2.7 Diesel particulate filter submenu (option) 83
2.10.1 Modifications, add-ons and retrofittings 57
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 62
3.1.4 Further control units 62
3.2 Display 63
3.2.1 Display 63
3.2.2 Status symbols 64
3.2.3 Start page menu 77
3.24 Camera menu 78
3.2.5 Automatic air conditioning 79
3.2.6 Operating status menu 83
3.2.7 Diesel particulate filter submenu (option) 83
3.2.8 Sensor-controlled low idle automatic and automatic engine stop
submenu (option) 84
3.29 System settings menu 85
3.2.10 Operating hour meter and odometer submenu 86
3.2.11 Windscreen wiper interval submenu 86
3.2.12 Radio remote control submenu 87
3.2.13 Display settings submenu 88
3.2.14 Display brightness and display volume submenu 88
3.2.15 Camera image contrast submenu 89
3.2.16 Camera return time submenu 89
3.2.17 Regional settings and system parameters submenu 90
3.2.18 Unit selection submenu 90
3.2.19 System diagnosis submenu 91
3.2.20 Time zone submenu 91
3.2.21 Time format and date format submenu 92
3.2.22 Language selection submenu 92
3.2.23 Electrical outputs submenu 93
3.2.24 Electrical inputs submenu 94
submenu (option) 84
3.29 System settings menu 85
3.2.10 Operating hour meter and odometer submenu 86
3.2.11 Windscreen wiper interval submenu 86
3.2.12 Radio remote control submenu 87
3.2.13 Display settings submenu 88
3.2.14 Display brightness and display volume submenu 88
3.2.15 Camera image contrast submenu 89
3.2.16 Camera return time submenu 89
3.2.17 Regional settings and system parameters submenu 90
3.2.18 Unit selection submenu 90
3.2.19 System diagnosis submenu 91
3.2.20 Time zone submenu 91
3.2.21 Time format and date format submenu 92
3.2.22 Language selection submenu 92
3.2.23 Electrical outputs submenu 93
3.2.24 Electrical inputs submenu 94
copyright © Liebherr-Hydraulikbagger GmbH 2018
LH 22 M Litronic – 1250 / 87688 LIEBHERR 1″
Contents Operator’s manual
Contents Operator’s manual
3.2.25 Function settings menu 94
3.2.26 Central lubrication system submenu (option) 96
3.2.27 Maintenance submenu 96
3.2.28 SF submenu 98
3.2.29 Stick cylinder shut-off submenu (option) 100
3.2.30 Hoist cylinder shut-off submenu (option) 101
3.2.31 Stick cylinder shut-off and hoist cylinder shut-off submenu (option) 101
3.2.32 Workspace limitation submenu (option) 102
3.2.33 Automatic reversible fan drive submenu (option) 102
3.2.34 Comfort slewing brake submenu (option) 103
3.2.35 Bleeding hydraulic circuit submenu 104
3.2.36 Information menu 104
3.2.37 Operating time submenu 105
3.2.38 Fuel consumption submenu 106
3.2.39 Key assignment submenu 106
3.2.40 Road travel position submenu 107
3.2.41 Tool Control menu 107
3.2.42 Service codes menu 108
3.3 Control 110
3.3.1 Battery main switch 110
3.3.2 Entering and exiting machine 11
3.3.3 Step lighting (option) 112
3.3.4 Emergency exit 112
3.3.5 Fire extinguisher (option) 113
3.3.6 Folding console 113
3.3.7 Operator’s seat 115
3.3.8 Safety belt 121
3.3.9 Exit protection (option) 122
3.3.10 Steering wheel 123
3.3.11 Ignition key 123
3.3.12 Confirmation button 124
3.3.13 Horn 125
3.3.14 Raising and lowering operator’s cab (option) 126
3.3.15 Windscreen 128
3.3.16 Sun blind 130
3.2.26 Central lubrication system submenu (option) 96
3.2.27 Maintenance submenu 96
3.2.28 SF submenu 98
3.2.29 Stick cylinder shut-off submenu (option) 100
3.2.30 Hoist cylinder shut-off submenu (option) 101
3.2.31 Stick cylinder shut-off and hoist cylinder shut-off submenu (option) 101
3.2.32 Workspace limitation submenu (option) 102
3.2.33 Automatic reversible fan drive submenu (option) 102
3.2.34 Comfort slewing brake submenu (option) 103
3.2.35 Bleeding hydraulic circuit submenu 104
3.2.36 Information menu 104
3.2.37 Operating time submenu 105
3.2.38 Fuel consumption submenu 106
3.2.39 Key assignment submenu 106
3.2.40 Road travel position submenu 107
3.2.41 Tool Control menu 107
3.2.42 Service codes menu 108
3.3 Control 110
3.3.1 Battery main switch 110
3.3.2 Entering and exiting machine 11
3.3.3 Step lighting (option) 112
3.3.4 Emergency exit 112
3.3.5 Fire extinguisher (option) 113
3.3.6 Folding console 113
3.3.7 Operator’s seat 115
3.3.8 Safety belt 121
3.3.9 Exit protection (option) 122
3.3.10 Steering wheel 123
3.3.11 Ignition key 123
3.3.12 Confirmation button 124
3.3.13 Horn 125
3.3.14 Raising and lowering operator’s cab (option) 126
3.3.15 Windscreen 128
3.3.16 Sun blind 130
copyright ® Liebherr-Hydraulikbagger GmbH 2018
12 LIEBHERR LH 22 M Litronic – 1250 / 87688
LHBM2222152/01/2018-12-13/en
LHBM2222152/01/2018-12-13/en
LHBM2222152/01/2018-12-13/en
Operator’s manual
Contents
3.3.17 Viewing devices 131
3.3.18 Lighting 137
3.3.19 Cab lighting system 138
3.3.20 Beacon (option) 139
3.3.21 Windscreen wipers 140
3.3.22 Windscreen washer system 140
3.3.23 Auxiliary heater (option) 141
3.3.24 LiDAT (option) 141
3.4 Operation 142
3.4.1 Inspection tour before putting into service 142
3.4.2 Refuelling 143
3.43 Refuelling with electric refuelling pump (option) 143
3.4.4 Filling with diesel exhaust fluid 145
3.4.5 Preheating system for fuels and operating fluids (option) 145
3.46 Immobiliser (option) 147
3.4.7 Preparing machine for dust intensive application 149
3.4.8 Preparing machine for use in biologically sensitive areas 149
3.4.9 Operator code (option) 149
3.4.10 Starting diesel engine 150
3.4.11 Bringing machine to operating temperature 151
3.4.12 Engine speed and operating mode 161
3.4.13 After starting 153
3.4.14 Sensor-controlled low idle automatic 154
3.4.15 Automatic engine stop after idling (option) 154
3.4.16 Shutting off diesel engine 155
3.4.17 Shutting off diesel engine in an emergency 156
3.4.18 Travelling and braking 157
3.4.19 Joystick steering 159
3.4.20 Travel alarm (option) 160
3.4.21 Locking and unlocking oscillating axle 161
3.4.22 Supporting machine 162
3.4.23 Controlling working attachment 165
3.4.24 Turning and braking uppercarriage 167
3.4.25 Slewing brake 168
3.4.26 Positioning slewing brake 173
copyright © Liebherr-Hydraulikbagger GmbH 2018
LH 22 M Litronic – 1250 / 87688 LIEBHERR 13
Contents Operator’s manual
3.4.27 Selecting boom or working tool 173
3.4.28 Adjusting boom vertically 174
3.4.29 Hoist cylinder protection 175
3.4.30 Selecting the working tool 176
3.4.31 Controlling special working attachment with mini-joystick 176
3.4.32 Changing over control of right mini-joystick (option) 177
3.4.33 Grapple priority (option) 178
3.4.34 AutoLift (Option) 179
3.4.35 Magnet system (option) 179
3.4.36 Reversible fan drive for radiator cleaning (option) 181
3.3.18 Lighting 137
3.3.19 Cab lighting system 138
3.3.20 Beacon (option) 139
3.3.21 Windscreen wipers 140
3.3.22 Windscreen washer system 140
3.3.23 Auxiliary heater (option) 141
3.3.24 LiDAT (option) 141
3.4 Operation 142
3.4.1 Inspection tour before putting into service 142
3.4.2 Refuelling 143
3.43 Refuelling with electric refuelling pump (option) 143
3.4.4 Filling with diesel exhaust fluid 145
3.4.5 Preheating system for fuels and operating fluids (option) 145
3.46 Immobiliser (option) 147
3.4.7 Preparing machine for dust intensive application 149
3.4.8 Preparing machine for use in biologically sensitive areas 149
3.4.9 Operator code (option) 149
3.4.10 Starting diesel engine 150
3.4.11 Bringing machine to operating temperature 151
3.4.12 Engine speed and operating mode 161
3.4.13 After starting 153
3.4.14 Sensor-controlled low idle automatic 154
3.4.15 Automatic engine stop after idling (option) 154
3.4.16 Shutting off diesel engine 155
3.4.17 Shutting off diesel engine in an emergency 156
3.4.18 Travelling and braking 157
3.4.19 Joystick steering 159
3.4.20 Travel alarm (option) 160
3.4.21 Locking and unlocking oscillating axle 161
3.4.22 Supporting machine 162
3.4.23 Controlling working attachment 165
3.4.24 Turning and braking uppercarriage 167
3.4.25 Slewing brake 168
3.4.26 Positioning slewing brake 173
copyright © Liebherr-Hydraulikbagger GmbH 2018
LH 22 M Litronic – 1250 / 87688 LIEBHERR 13
Contents Operator’s manual
3.4.27 Selecting boom or working tool 173
3.4.28 Adjusting boom vertically 174
3.4.29 Hoist cylinder protection 175
3.4.30 Selecting the working tool 176
3.4.31 Controlling special working attachment with mini-joystick 176
3.4.32 Changing over control of right mini-joystick (option) 177
3.4.33 Grapple priority (option) 178
3.4.34 AutoLift (Option) 179
3.4.35 Magnet system (option) 179
3.4.36 Reversible fan drive for radiator cleaning (option) 181
3.5 Shut-off functions 184
3.5.1 Stick cylinder shut-off (option) 184
3.5.1 Stick cylinder shut-off (option) 184
3.5.2 Hoist cylinder shut-off (option) 187
3.5.3 Stick cylinder shut-off for heavy working tool (option) 191
3.5.4 Bypassing stick cylinder shut-off for heavy working tool 192
3.5.5 Height limitation 194
3.5.6 Overload warning system (option) 203
3.6 General working methods 206
3.6.1 Working without damaging the machine 206
3.6.1 Working without damaging the machine 206
3.6.2 Putting machine in working position 207
3.6.3 Travelling at operating location 208
3.6.4 Travelling with load at operating location 208
3.6.5 Driving on public roads 209
3.6.6 Travelling under obstacles 212
3.6.7 Handling loads 213
3.6.8 Loading transport vehicle 213
3.6.9 Lifting loads 214
3.6.10 Use of banksmen 215
3.6.10 Use of banksmen 215
3.7 Installing and removing working attachment 216
3.7.1 Using quick coupler 216
3.7.1 Using quick coupler 216
3.7.2 Installing and removing grapple on industrial stick 216
3.7.3 Installing and removing boom 219
3.8 Parking machine 220
3.9 Transport 221
3.9.1 Preparatory activities 221
3.9 Transport 221
3.9.1 Preparatory activities 221
copyright © Liebherr-Hydraulikbagger GmbH 2018
14 LIEBHERR LH 22 M Litronic – 1250 / 87688
14 LIEBHERR LH 22 M Litronic – 1250 / 87688
LHBM2222152/01/2018-12-13/en
LHBM2222152/01/2018-12-13/en
LHBM2222152/01/2018-12-13/en
Operator’s manual
Contents
3.9.2 Driving machine onto low-loader 221
3.9.3 Tying down the machine 222
3.10 Emergency operation 223
3.10.1 Jump starting 223
3.10.2 Lowering working attachment when engine is shut off 224
3.10.3 Lowering operator’s cab in an emergency (option) 224
3.10.4 Towing 225
3.10.5 Transmission 228
4 Malfunctions 231
4.1 Service code tables 231
41.1 Warning symbols 231
4.2 Fault – Cause – Remedy 238
421 Diesel engine and fuel system 238
4.22 Hydraulic system 241
4.2.3 Electrical system 242
4.2.4 Heating, ventilation and air conditioning unit 242
4.2.5 Working attachment 242
4.3 Problem remedy 244
4.3.1 Fuses and relays in the uppercarriage 244
4.3.2 Operator’s platform fuses and relays 250
5 Maintenance 257
5.1 Inspection and maintenance schedule 257
5.2 Filling quantities and lubrication chart 264
5.2.1 Filling quantities 264
5.2.2 Lubrication chart 265
5.3 Fuels, lubricants and operating fluids 267
5.3.1 Diesel fuels 267
53.2 Diesel exhaust fluids 267
5.3.3 Engine oils 268
5.3.4 Refrigerant 269
5.3.5 Coolant 270
5.3.6 Hydraulic oils 271
53.7 Axle oils 273
3.9.3 Tying down the machine 222
3.10 Emergency operation 223
3.10.1 Jump starting 223
3.10.2 Lowering working attachment when engine is shut off 224
3.10.3 Lowering operator’s cab in an emergency (option) 224
3.10.4 Towing 225
3.10.5 Transmission 228
4 Malfunctions 231
4.1 Service code tables 231
41.1 Warning symbols 231
4.2 Fault – Cause – Remedy 238
421 Diesel engine and fuel system 238
4.22 Hydraulic system 241
4.2.3 Electrical system 242
4.2.4 Heating, ventilation and air conditioning unit 242
4.2.5 Working attachment 242
4.3 Problem remedy 244
4.3.1 Fuses and relays in the uppercarriage 244
4.3.2 Operator’s platform fuses and relays 250
5 Maintenance 257
5.1 Inspection and maintenance schedule 257
5.2 Filling quantities and lubrication chart 264
5.2.1 Filling quantities 264
5.2.2 Lubrication chart 265
5.3 Fuels, lubricants and operating fluids 267
5.3.1 Diesel fuels 267
53.2 Diesel exhaust fluids 267
5.3.3 Engine oils 268
5.3.4 Refrigerant 269
5.3.5 Coolant 270
5.3.6 Hydraulic oils 271
53.7 Axle oils 273
5.3.8 Gear oils 273
5.3.9 Transmission oils 274
5.3.10 Greases 274
5.3.11 Windscreen washer fluid 275
5.3.12 Lubricants and care products for electrical and mechanical systems 275
Access points for maintenance work 276
5.4.1 Access points on uppercarriage 276
5.4.2 Access points under the uppercarriage 277
Preparing for maintenance 278
5.5.1 Preparing for maintenance 278
General maintenance 280
5.6.1 Welding 280
5.6.2 Corrosion-proofing piston rods 280
5.6.3 Cleaning the machine 281
5.6.4 Cleaning the fan and radiator 283
Complete machine 284
5.7.1 Checking machine for proper condition and tightness 284
5.7.2 Checking components for cracks 284
5.7.3 Lubricating hinges, locks and gas pressure springs of doors, hoods and
windows 284
5.7.4 Cleaning and treating rubber seals on doors and hoods 284
Drive group 285
5.8.1 Diesel engine: Bringing into maintenance position 285
5.8.2 Diesel engine: Checking oil level 285
5.8.3 Diesel engine: Checking condition, tightness and cleanliness 286
5.8.4 Diesel engine: Checking breather line of crankcase 286
5.8.5 Fuel pre-filter: Draining water 288
5.8.6 Air filter: Emptying dust collecting tank 289
5.8.7 Air filter: Replacing main filter cartridge 289
5.8.8 Air filter: Replacing safety filter cartridge 291
5.8.9 Diesel particulate filter: Activating and deactivating regeneration 292
5.8.10 Diesel exhaust fluid tank: Cleaning sieve 298
Cooling system 300
5.9.1 Checking coolant level 300
5.9.2 Checking cooling system and heat exchanger for contamination 301
5.3.9 Transmission oils 274
5.3.10 Greases 274
5.3.11 Windscreen washer fluid 275
5.3.12 Lubricants and care products for electrical and mechanical systems 275
Access points for maintenance work 276
5.4.1 Access points on uppercarriage 276
5.4.2 Access points under the uppercarriage 277
Preparing for maintenance 278
5.5.1 Preparing for maintenance 278
General maintenance 280
5.6.1 Welding 280
5.6.2 Corrosion-proofing piston rods 280
5.6.3 Cleaning the machine 281
5.6.4 Cleaning the fan and radiator 283
Complete machine 284
5.7.1 Checking machine for proper condition and tightness 284
5.7.2 Checking components for cracks 284
5.7.3 Lubricating hinges, locks and gas pressure springs of doors, hoods and
windows 284
5.7.4 Cleaning and treating rubber seals on doors and hoods 284
Drive group 285
5.8.1 Diesel engine: Bringing into maintenance position 285
5.8.2 Diesel engine: Checking oil level 285
5.8.3 Diesel engine: Checking condition, tightness and cleanliness 286
5.8.4 Diesel engine: Checking breather line of crankcase 286
5.8.5 Fuel pre-filter: Draining water 288
5.8.6 Air filter: Emptying dust collecting tank 289
5.8.7 Air filter: Replacing main filter cartridge 289
5.8.8 Air filter: Replacing safety filter cartridge 291
5.8.9 Diesel particulate filter: Activating and deactivating regeneration 292
5.8.10 Diesel exhaust fluid tank: Cleaning sieve 298
Cooling system 300
5.9.1 Checking coolant level 300
5.9.2 Checking cooling system and heat exchanger for contamination 301
16
copyright ® Liebherr-Hydraulikbagger GmbH 2018
LH 22 M Litronic – 1250 / 87688
LHBM2222152/01/2018-12-13/en
LHBM2222152/01/2018-12-13/en
LHBM2222152/01/2018-12-13/en
Operator’s manual Contents
5.9.3 Cooling system: Cleaning and checking dirt guard 302
5.10 Working hydraulics 304
5.10.1 Depressurising hydraulic system 304
5.10.2 Hydraulic tank: Checking oil level 304
5.10.3 Hydraulic tank: Draining water and sediments 307
5.10.4 Return filter: Checking and cleaning magnetic rod 309
5.10.5 Bypass filter (option): Checking degree of contamination of filter
cartridge 310
5.11 Electrical system 31
5.11.1 General information 31
5.12 Axles 312
5.12.1 Lubricating axles 312
5.12.2 Tyres: Checking tyre pressure 313
5.12.3 Tyres: checking foam-filled tyres 314
5.12.4 Wheels: Checking mounting of the wheel nuts 314
5.13 Working attachment 316
5.13.1 Lubricating working tool 316
5.13.2 Checking pin connections for secure seating 316
5.13.3 Checking steel parts for cracks 316
5.13.4 Pin bearing: checking for wear 317
5.14 Operator’s cab, heating and air conditioning 318
5.14.1 Filling with windscreen washer fluid 318
5.14.2 Heating: Checking function 318
5.14.3 Auxiliary heater (option): Checking function 320
5.14.4 Switching on air conditioning unit 320
5.14.5 Checking and cleaning air conditioning condenser 320
5.14.6 Dust-intensive condenser unit (option) 322
5.15 Lubrication system 323
5.15.1 Checking lubrication of bearings (grease collar) 323
5.15.2 Pipes, hoses and lubricating points: Checking tightness and condition 323
5.16 Slewing gearbox and slewing ring 324
5.16.1 Slewing gearbox: Checking oil level 324
6 Appendix 327
Index 329
5.9.3 Cooling system: Cleaning and checking dirt guard 302
5.10 Working hydraulics 304
5.10.1 Depressurising hydraulic system 304
5.10.2 Hydraulic tank: Checking oil level 304
5.10.3 Hydraulic tank: Draining water and sediments 307
5.10.4 Return filter: Checking and cleaning magnetic rod 309
5.10.5 Bypass filter (option): Checking degree of contamination of filter
cartridge 310
5.11 Electrical system 31
5.11.1 General information 31
5.12 Axles 312
5.12.1 Lubricating axles 312
5.12.2 Tyres: Checking tyre pressure 313
5.12.3 Tyres: checking foam-filled tyres 314
5.12.4 Wheels: Checking mounting of the wheel nuts 314
5.13 Working attachment 316
5.13.1 Lubricating working tool 316
5.13.2 Checking pin connections for secure seating 316
5.13.3 Checking steel parts for cracks 316
5.13.4 Pin bearing: checking for wear 317
5.14 Operator’s cab, heating and air conditioning 318
5.14.1 Filling with windscreen washer fluid 318
5.14.2 Heating: Checking function 318
5.14.3 Auxiliary heater (option): Checking function 320
5.14.4 Switching on air conditioning unit 320
5.14.5 Checking and cleaning air conditioning condenser 320
5.14.6 Dust-intensive condenser unit (option) 322
5.15 Lubrication system 323
5.15.1 Checking lubrication of bearings (grease collar) 323
5.15.2 Pipes, hoses and lubricating points: Checking tightness and condition 323
5.16 Slewing gearbox and slewing ring 324
5.16.1 Slewing gearbox: Checking oil level 324
6 Appendix 327
Index 329
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