Liebherr Lh120 C 1103 Excavator Operators Operating Manual
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DESCRIPTION:
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
TABLE OF CONTENTS:
1 Product description 15
1.1 Technical description 16
1.1.1 General overview 16
1.2 Technical data 19
1.2.1 Vibration emission 19
1.2.1 Operator seat 19
1.2.1 Hand/arm vibrations 19
1.2.1 Whole-body vibrations 19
1.2.2 Sound emissions 20
1.2.3 Specifications 20
2 Safety warnings, signs 23
2.1 Identification of the warning instructions 23
2.1.1 Other indications 24
2.1.2 Additional rules and guidelines 24
2.2 Designated use 24
2.3 Safety warnings 24
2.3.1 General safety instructions 24
2.3.2 Avoid crushing and burning injuries 25
2.3.3 Avoid fire and explosions 26
2.3.4 Seeing and being seen 27
2.3.5 Protection against vibration 28
2.3.6 Before taking into operation 28
2.3.7 Getting in and out 29
2.3.8 Starting the machine 29
2.3.9 Working 30
2.3.10 Transfer loading 31
2.3.11 Shutting down the machine 32
2.3.12 Maintenance, repair 32
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2.3.13 Modifications, add-ons and conversions 36
2.3.14 Removal and installation of attachment pins 36
2.3.15 Rock protection (FOPS) 36
2.3.16 Checking for cracks 37
2.3.17 Regular checks 37
3 Control and operation 39
3.1 Control and operating elements 39
3.1.1 Overview of operator’s platform 39
3.1.2 Control unit A 40
3.1.3 Control unit B 41
3.1.4 Control unit C 42
3.1.5 Control unit D 43
3.2 Control 44
3.2.1 Battery main switch 44
3.2.2 Entering and exiting the machine 44
3.2.3 Emergency exit 54
3.2.4 Fire extinguisher 54
3.2.5 Safety lever 55
3.2.6 Operator seat 56
3.2.7 Instructor seat 63
3.2.8 Safety belt 63
3.2.9 Cab lift (special equipment) 64
3.2.10 Sun visor / sun blind 68
3.2.11 Side windows 69
3.2.12 Lighting 69
3.2.13 Cab lighting system 70
3.2.14 Windscreen wiper 70
3.2.14 Indicating unit 71
3.2.15 Touch screen 71
3.2.16 Quick access via the menu bar 72
3.2.17 Quick access via user-programmable keys 72
3.2.18 Status symbols 72
3.2.19 Neutral position 78
3.2.20 Main menu 79
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Operating manual Contents
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3.2.21 Camera system menu 80
3.2.22 Air conditioning system 80
3.2.23 Operating status menu 84
3.2.24 General settings menu 84
3.2.25 Device-specific settings menu 88
3.2.26 Information menu 100
3.2.27 Messages menu 103
3.2.28 Radio system (special equipment) 103
3.3 Operation 105
3.3.1 Inspection tour before commissioning 105
3.3.2 Refuelling 106
3.3.3 Refuelling from a tanker (special equipment) 107
3.3.4 Starting the engine 108
3.3.5 Starting process at low ambient temperatures 109
3.3.6 Operating mode and engine speed 110
3.3.7 After starting 111
3.3.8 Sensor-controlled low idle automatic 112
3.3.9 Shutting down the engine 112
3.3.10 Driving operation 113
3.3.11 Observe the inclination angle 116
3.3.12 Operating the working attachment 117
3.3.13 Turning and braking the uppercarriage 118
3.3.14 AutoLift (special equipment) 119
3.3.15 Overload warning device (special equipment) 119
3.3.16 Turning and moving the tool attachment 121
3.3.17 Magnet system (special equipment) 122
3.3.18 Reversible fan drive (special equipment) 123
3.4 General working methods 124
3.4.1 Safety belt 124
3.4.2 Drugs and alcohol misuse 124
3.4.3 Working without damaging the machine 124
3.4.4 Preparatory work 126
3.4.5 Working position 127
3.4.6 Working with the grapple 127
3.4.7 Transferring loads 128
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3.4.8 Loading a transport vehicle 128
3.4.9 Load-lifting work 128
3.5 Parking and exiting the machine 130
3.6 Transport and assembly 131
3.7 Emergency operation 132
3.7.1 Lowering the working attachment with the engine shut down 132
3.7.2 Operator’s cab emergency discharge 133
4 Malfunctions 135
4.1 Service code tables 136
4.1.1 Warning symbols 136
4.2 Fault – Cause – Remedy 140
4.2.1 Diesel engine and fuel system 140
4.2.2 Hydraulic system 142
4.2.3 Travel gear 142
4.2.4 Electrical system 143
4.2.5 Heating, ventilation, air conditioning system 143
4.2.6 Working attachment 143
4.3 Problem remedy 145
4.3.1 Fuses and relays 145
5 Maintenance 147
5.1 Maintenance and inspection schedule 147
5.2 Filling quantities and lubrication chart 152
5.2.1 Recommended lubricants 152
5.2.2 Recommended service materials 152
5.2.3 Lubricating chart 153
5.3 Fuels, lubricants and operating fluids 154
5.3.1 General information 154
5.3.2 Diesel fuels 154
5.3.3 Lubricants for the diesel engine 155
5.3.4 Coolant for the diesel engine 157
5.3.5 Hydraulic oil 159
5.3.6 Lubricating oils for axles and gearboxes 165
5.3.7 Grease 167
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5.3.8 Screenwash 167
5.3.9 Lubricant and care product for electrical and mechanical systems 168
5.4 Access points for maintenance work 169
5.4.1 Access points to the uppercarriage 169
5.4.2 Access points on the underside of the uppercarriage 169
5.4.3 Access points to tracked travel gear 170
5.5 Cleaning and care 171
5.5.1 Cleaning the machine 171
5.5.2 Clean the tracked travel gear, remove blocks 172
5.5.3 Door locks and hinges 172
5.5.4 Rubber seals 172
5.5.5 Applying corrosion protection to piston rods 172
5.6 Diesel engine 174
5.6.1 Checking the oil level 174
5.7 Cooling system 175
5.7.1 Checking the coolant level 175
5.7.2 Antifreeze and corrosion protection of the coolant 175
5.8 Fuel system 176
5.8.1 Draining water from the fuel pre-filter 176
5.8.2 Draining water and sediments in the fuel tank 177
5.9 Air filter 178
5.9.1 Renewing air filters 178
5.9.2 Emptying the dust collecting tank 179
5.9.3 Checking the clean-air line 180
5.10 Hydraulic components 181
5.10.1 Checking the oil level in the hydraulic tank 181
5.10.2 Reducing the pressure in the hydraulic system 182
5.10.3 Renewing the breather filter 183
5.10.4 Renewing the control oil filter 183
5.10.5 Renewing the return filter 185
5.10.6 Renewing the return leakage oil filter 187
5.10.7 Changing / topping up hydraulic oil 188
5.10.8 Bleeding the hydraulic pumps 190
5.11 Crawler drive 192
5.11.1 Checking the mounting of the travel gear components 192
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Contents Operating manual
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5.11.2 Checking the track tension 193
5.11.3 Tightening the track 194
5.11.4 Slackening the track 195
5.11.5 Changing the oil 196
5.12 Electrical system 197
5.12.1 Battery care 197
5.13 Windscreen washer system 199
5.13.1 Screenwash container 199
5.14 Automatic lubrication system 200
5.14.1 Topping up the grease container 200
5.15 Working attachment and working tools 201
5.15.1 Renewing the teeth of the digging tools 201
5.16 Overall machine 203
5.16.1 Welding 203
FILE FORMAT:
LANGUAGE:ENGLISH
PAGES:204
DOWNLOADABLE:YES
FILE TYPE:PDF
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