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Liebherr L 504 1851 Wheel Loader Repair Manual PDF Download
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Liebherr L 504 1851 Wheel Loader Service Manual – PDF DOWNLOAD
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Description
Liebherr L 504 1851 Wheel Loader Service Manual – PDF DOWNLOAD
FILE DETAILS:
Liebherr L 504 1851 Wheel Loader Service Manual – PDF DOWNLOAD
Language : English
Pages : 320
Downloadable : Yes
File Type : PDF
Size: 63.2 MB
DESCRIPTION:
Liebherr L 504 1851 Wheel Loader Service Manual – PDF DOWNLOAD
Preface
Notes for users
- This service manual is designed for trained specialist staff of the Liebherr organisation and their dealers.
- This service manual contains specialist knowledge for repairing Liebherr construc- tion machines. Basic specialist knowledge on electronics, hydraulics, mechanics and engine technology is not contained in this service manual. Therefore special- ized training and qualifications are necessary. Liebherr recommends participating in the Liebherr training program for construction machines.
In this service manual you will find information on:
— Special tools
— Technical data
— Maintenance intervals and maintenance tasks
— Adjustment procedures
— Structure and function descriptions
— Removal and installation tasks
— Circuit diagrams, hydraulic plans and technical drawings
- You will find information on controls and operation in the operator’s manual. Information on spare parts are in the spare parts catalogue. Please observe the local accident prevention laws.
- You can find information on repairs of machine parts in the service documentation under “Wheel loader – repair instructions”.
Introduction:
Intended Use:
1.1. Laws, Rules, Guidelines and Safety Regulations
To ensure safe operation:
– Ask work site manager for safety regulations at place of use.
– Adhere to safety regulations at place of use.
-Adhere to traffic regulations.
-Adhere to valid guidelines from insurers (for example employers’ professional liability insurance companies, accident insurance et cetera).
-Avoid working methods that can endanger safety.
-Adhere to all intervals specified for recurrent checks and inspections in this
operator’s manual.
Intended use:
Wheel loader is used to pick up, move and dump following materials:
– Soil
– Stones
– Broken rocks
– Bulk materials
This applies to a standard machine in normal operating conditions. Special applications are described in a separate options operator’s manual.
To ensure intended use:
– Adhere to operator’s manual.
– Adhere to maintenance intervals.
– Observe inspection and maintenance tasks.
– Adhere to specifications in the technical data.
– When using machine on public roads, make sure it complies with applicable national regulations.
– Only lift loads with intended working attachments (fork prongs, crane boom), which must be fitted and functioning.
– Make sure that machines used underground (mining and tunnel construction) are fitted with systems to reduce exhaust emissions (such as diesel particulate filters).
– Adhere to individual country’s requirements for underground operation.
– For special uses use special working attachments and if necessary special safety equipment.
– Exclusively mount and use special working attachments with approval and as per stipulations of manufacturer of basic machine.
– Only use approved tyres.
– A suitably equipped workshop is absolutely essential for performing repair work.
TABLE OF CONTENTS:
Liebherr L 504 1851 Wheel Loader Service Manual – PDF DOWNLOAD
010 Introduction 010-1
010.1 Safety instructions 010-4
010.1.1 Information on these instructions 010-4
010.1.1.1 Representation of warming messages 010-4
010.1.1.2 Graphic symbols in these instructions 010-4
010.1.2 Intended use 010-5
010.1.2.1 Laws, rules, guidelines and safety regulations 010-5
010.1.2.2 Intended use 010-5
010.1.2.3 Foreseeable misuse 010-6
010.1.2.4 Operating conditions 010-6
010.1.2.5 Disposal 010-7
010.1.3 Description of staff 010-7
010.1.3.1 Personal protective equipment 010-7
010.1.3.2 Requirements for staff 010-8
010.1.3.3 Operating company 010-8
010.1.3.4 Operator 010-9
010.1.3.5 Maintenance staff 010-9
010.1.3.6 Authorised specialist staff 010-10
010.1.3.7 Refrigeration technician 010-11
010.1.3.8 Slinger 010-12
010.1.3.9 Spotter 010-13
010.1.4 Protective devices on the machine 010-13
010.1.4.1 Operator’s cab 010-13
010.1.4.2 Roll over protective structure (ROPS) 010-14
010.1.4.3 Falling object protective structures (FOPS) 010-14
010.1.5 Emergency equipment on the machine 010-14
010.1.5.1 Emergency exit (standard) 010-14
010.1.5.2 Fire extinguisher (option) 010-15
0101.6 Safe operation 010-15
010.1.6.1 Intoxicants 010-15
010.1.6.2 Dangerous fuels and operating fluids 010-15
010.1.6.3 Transporting machine 010-16
010.1.6.4 Access to machine 010-16
010.1.6.5 Machine danger zone 010-17
010.1.6.6 Visibility 010-17
010.1.6.7 Protection against vibration 010-18
010.1.6.8 Operation of machine 010-19
010.1.7 Safe maintenance 010-22
010.1.7.1 Spare parts 010-22
010.1.7.1 Spare parts 010-22
010.1.7.2 Heavy parts 010-22
010.1.7.3 Regular checks 010-23
010.1.8 Modifications to the machine 010-23
010.1.8.1 Modifications, add-ons and retrofittings 010-23
010.1.8.1 Modifications, add-ons and retrofittings 010-23
010.2 Special tools for maintenance and repair work 010-24
010.2.1 Special tools for diesel engine 010-24
010.2.2 Special tools for lift cylinders 010-25
010.2.3 Special tools for tilt cylinders 010-25
010.24 Special tools for quick coupler locking hydraulic cylinder 010-26
010.2.5 Special tools for steering wheel 010-26
010.2.6 Special tools for steering cylinders 010-26
010.2.7 Special tools for the electrical system 010-27
010.2.8 Special tools for axles 010-27
010.2.9 Special tools for air conditioning system 010-27
010.2.10 Special tools for cab glazing 010-28
010.2.11 Special tools for the central lubrication system (Liebherr) 010-28
010.3 Standards and regulations 010-30
010.2.1 Special tools for diesel engine 010-24
010.2.2 Special tools for lift cylinders 010-25
010.2.3 Special tools for tilt cylinders 010-25
010.24 Special tools for quick coupler locking hydraulic cylinder 010-26
010.2.5 Special tools for steering wheel 010-26
010.2.6 Special tools for steering cylinders 010-26
010.2.7 Special tools for the electrical system 010-27
010.2.8 Special tools for axles 010-27
010.2.9 Special tools for air conditioning system 010-27
010.2.10 Special tools for cab glazing 010-28
010.2.11 Special tools for the central lubrication system (Liebherr) 010-28
010.3 Standards and regulations 010-30
010.3.1
010.3.2
Prestressing forces and tightening torques for bolts with metric
standard and fine threads as per DIN ISO 261
010-30
010.3.1.1 Range of application and purpose
010-30
010.3.1.2 Other applicable documents
010-30
010.3.1.3 Modifications and descriptions
010-31
010.3.1.4 Tightening torques
010-31
Liebherr standards for assembly instructions and tightening torques010-37
010.4 Preservation guidelines
010-38
copyright ® Liebher-Werk Bischofshofen GmbH 2022
L504-1851
LBH/M2278872/00/211-20220210_134616/en
Service manual Contents
010.4.1 General information 010-38
Service manual Contents
010.4.1 General information 010-38
010.4.2 Machine out of service for an unknown period of time 010-38
0104.3 Putting the machine out of service 010-39
010.4.3.1 Out of service for up to 2 months 010-39
010.4.3.2 Out of service for up to 12 months 010-40
010.4.3.3 Out of service for longer than 12 months 010-41
010.44 Putting back into service 010-41
010.4.4.1 After being out of service for 2 months 010-41
010.4.4.2 After being out of service for 12 months 010-42
LBH/M2278872/00/211-20220210_134616/en
010.4.4.3 After being out of service for longer than 12 months 10-42
020 Technical data 020-1
020.1 Overall machine 020-3
020.1.1 Complete machine with loading bucket
1504-1851; 020-3
020.1.2 Working attachment: 4 in 1 bucket
L504-1851; 020-4
0201.3 Working attachment: Forklift
1504-1851; 020-6
020.2 Drive group 020-9
020.2.1 Diesel engine
1504-1851; 020-9
020.3 Working hydraulics 020-11
020.3.1 Working pump
L504-1851; 020-11
020.3.2 Control block
L 504-1851; 020-11
020.3.3 Stabilisation module
L504-1851; 020-12
020.3.4 Ride control hydro accumulator
L504-1851; 020-12
020.3.5 Lift cylinder
L504-1851; 020-12
020.3.6 Tilt cylinder
1504-1851; 020-12
020.4 Travel hydraulics 020-14
020.4.1 Travel pump
L504-1851; 020-14
020.4.2 Travel motor
L504-1851; 020-14
copyright ® Liebherr-Werk Bischofshofen GmbH 2022
504-1851 LIEBHERR 7
Contents Service manual
020.5 Hydraulic components 020-15
020.5.1 Temperature switch for hydraulic oil B8
1504-1851; 020-15
020.5.2 Return filter
L504-1851; 020-15
020.5.3 Breather filter with filler strainer
L504-1851; 020-15
020.6 Steering system 020-16
020.6.1 Servostat
L504-1851; 020-16
020.6.2 Steering cylinder
1504-1851; 020-16
020.7 Brake system 020-17
020.7.1 Drum brake
1504-1851; 020-17
020.7.2 Inch/brake unit
1504-1851; 020-17
020.7.3 Brake light pressure switch B12
1504-1851; 020-17
020.8 Gearbox 020-18
020.8.1 Transmission
1504-1851; 020-18
020.9 Axles and drive shafts 020-19
020.9.1 Front axle
1504-1851; 020-19
020.9.2 Rear axle
1504-1851; 020-19
020.9.3 Tyres
1504-1851; 020-19
020.9.3.2 Special tyres 020-21
020.10 Working attachment 020-22
020.10.1 Quick coupler locking hydraulic cylinder
1504-1851; 020-22
030 Maintenance 030-1
030.1 Maintenance and inspection schedule 030-7
030.2 Filling quantities and lubrication chart 030-12
030.2.1 Lubricant filling quantity
1504-1851; 030-12
030.2.2 Fuel and operating fluid filling quantity
L504-1851; 030-12
030.3 Lubricants and fuels 030-13
copyright ® Liebher-Werk Bischofshofen GmbH 2022
8 LIEBHERR L504-1851
020.1 Overall machine 020-3
020.1.1 Complete machine with loading bucket
1504-1851; 020-3
020.1.2 Working attachment: 4 in 1 bucket
L504-1851; 020-4
0201.3 Working attachment: Forklift
1504-1851; 020-6
020.2 Drive group 020-9
020.2.1 Diesel engine
1504-1851; 020-9
020.3 Working hydraulics 020-11
020.3.1 Working pump
L504-1851; 020-11
020.3.2 Control block
L 504-1851; 020-11
020.3.3 Stabilisation module
L504-1851; 020-12
020.3.4 Ride control hydro accumulator
L504-1851; 020-12
020.3.5 Lift cylinder
L504-1851; 020-12
020.3.6 Tilt cylinder
1504-1851; 020-12
020.4 Travel hydraulics 020-14
020.4.1 Travel pump
L504-1851; 020-14
020.4.2 Travel motor
L504-1851; 020-14
copyright ® Liebherr-Werk Bischofshofen GmbH 2022
504-1851 LIEBHERR 7
Contents Service manual
020.5 Hydraulic components 020-15
020.5.1 Temperature switch for hydraulic oil B8
1504-1851; 020-15
020.5.2 Return filter
L504-1851; 020-15
020.5.3 Breather filter with filler strainer
L504-1851; 020-15
020.6 Steering system 020-16
020.6.1 Servostat
L504-1851; 020-16
020.6.2 Steering cylinder
1504-1851; 020-16
020.7 Brake system 020-17
020.7.1 Drum brake
1504-1851; 020-17
020.7.2 Inch/brake unit
1504-1851; 020-17
020.7.3 Brake light pressure switch B12
1504-1851; 020-17
020.8 Gearbox 020-18
020.8.1 Transmission
1504-1851; 020-18
020.9 Axles and drive shafts 020-19
020.9.1 Front axle
1504-1851; 020-19
020.9.2 Rear axle
1504-1851; 020-19
020.9.3 Tyres
1504-1851; 020-19
020.9.3.2 Special tyres 020-21
020.10 Working attachment 020-22
020.10.1 Quick coupler locking hydraulic cylinder
1504-1851; 020-22
030 Maintenance 030-1
030.1 Maintenance and inspection schedule 030-7
030.2 Filling quantities and lubrication chart 030-12
030.2.1 Lubricant filling quantity
1504-1851; 030-12
030.2.2 Fuel and operating fluid filling quantity
L504-1851; 030-12
030.3 Lubricants and fuels 030-13
copyright ® Liebher-Werk Bischofshofen GmbH 2022
8 LIEBHERR L504-1851
LBH/M2278872/00/211-20220210_134616/en
LBH/M2278872/00/211-20220210_134616/en
LBH/M2278872/00/211-20220210_134616/en
Service manual Contents
030.3.1 General information on lubricants and fuels 030-13
030.3.1.1 General questions 030-13
030.3.1.2 Safety data sheets 030-13
030.3.1.3 Technical data sheets 030-13
030.3.1.4 Specific Liebherr standards 030-13
030.3.2 General information on changing lubricants and fuels 030-13
030.3.3 Converting hydraulic system from mineral oils to biodegradable
hydraulic fluids 030-14
030.3.4 Diesel fuels
L 504-1851; 030-14
030.3.4.1 Minimum quality requirement 030-14
030.3.4.2 Operating temperatures of diesel fuels 030-14
030.34.3 Minimum quality requirement 030-15
030.3.5 Engine oils
L 504-1851; 030-15
030.3.5.1 Liebherr recommendation 030-15
030.3.5.3 Minimum quality requirement 030-15
030.36 Refrigerant
L 504-1851; 030-16
030.3.7 Coolant
L504-1851; 030-16
030.3.7.1 Requirements for the water used 030-16
030.3.7.2 Antifreeze and corrosion inhibitor 030-16
030.3.7.3 Minimum quality requirement 030-16
030.3.8 Hydraulic oil
L504-1851; 030-17
030.3.8.1 Liebherr recommendation 030-17
030.3.8.2 Minimum quality requirement 030-17
030.3.8.3 Oil analysis 030-17
030.3.8.4 Qil change 030-18
030.3.9 Transmission
1504-1851; 030-18
030.3.9.1 Liebherr recommendation 030-18
030.3.9.2 Minimum quality requirement 030-18
030.3.10 Axle oil
1504-1851; 030-18
030.3.10.1 Liebherr recommendation 030-18
030.3.10.2 Minimum quality requirement 030-19
copyright ® Liebherr-Werk Bischofshofen GmbH 2022
L504-1851 LIEBHERR 9
Contents
030.3.1 General information on lubricants and fuels 030-13
030.3.1.1 General questions 030-13
030.3.1.2 Safety data sheets 030-13
030.3.1.3 Technical data sheets 030-13
030.3.1.4 Specific Liebherr standards 030-13
030.3.2 General information on changing lubricants and fuels 030-13
030.3.3 Converting hydraulic system from mineral oils to biodegradable
hydraulic fluids 030-14
030.3.4 Diesel fuels
L 504-1851; 030-14
030.3.4.1 Minimum quality requirement 030-14
030.3.4.2 Operating temperatures of diesel fuels 030-14
030.34.3 Minimum quality requirement 030-15
030.3.5 Engine oils
L 504-1851; 030-15
030.3.5.1 Liebherr recommendation 030-15
030.3.5.3 Minimum quality requirement 030-15
030.36 Refrigerant
L 504-1851; 030-16
030.3.7 Coolant
L504-1851; 030-16
030.3.7.1 Requirements for the water used 030-16
030.3.7.2 Antifreeze and corrosion inhibitor 030-16
030.3.7.3 Minimum quality requirement 030-16
030.3.8 Hydraulic oil
L504-1851; 030-17
030.3.8.1 Liebherr recommendation 030-17
030.3.8.2 Minimum quality requirement 030-17
030.3.8.3 Oil analysis 030-17
030.3.8.4 Qil change 030-18
030.3.9 Transmission
1504-1851; 030-18
030.3.9.1 Liebherr recommendation 030-18
030.3.9.2 Minimum quality requirement 030-18
030.3.10 Axle oil
1504-1851; 030-18
030.3.10.1 Liebherr recommendation 030-18
030.3.10.2 Minimum quality requirement 030-19
copyright ® Liebherr-Werk Bischofshofen GmbH 2022
L504-1851 LIEBHERR 9
Contents
Service manual
030.4
030.3.11 Brake oil
L 504-1851; 030-19
030.3.11.1 Liebherr recommendation 030-19
030.3.12 Lubrication grease
L504-1851; 030-19
030.3.12.1 Liebherr recommendation 030-19
030.3.12.2 Minimum quality requirement 030-19
030.3.13 Windscreen washer fluid
1504-1851; 030-20
030.3.13.1 Liebherr recommendation 030-20
030.3.13.2 Minimum quality requirement 030-20
030.3.14 Refrigerant oil for air conditioning compressor
1504-1851; 030-20
030.3.14.1 Liebherr recommendation 030-20
Maintenance tasks 030-21
030.4.1 Safety precautions
1504-1851; 030-21
030.4.2 Preparatory tasks for maintenance 030-21
0304.21 Maintenance positions
L504-1851; 030-22
0304.2.2 Servicezugénge 6ffnen
1504-1851; 030-23
030.4.2.3 Batteriehauptschalter ausschalten
L504-1851; 030-24
030.4.3 Overall machine 030-25
030.4.3.1 Checking machine is in proper condition
L504-1851; 030-25
030.4.3.2 Removing loose parts, dirt, ice and snow from
machine
L504-1851; 030-27
0304.33 Maschine reinigen
1504-1851; 030-27
0304.3.4 Operating fluid analysis: General specifications
L504-1851; 030-30
0304.3.5 Operating fluid analysis: filling out sample information
form
1504-1851; 030-33
0304.3.6 Fuel and operating fluid analysis: scope of analysis
L504-1851; 030-39
030.4.3.7 Analysis of lubricants and fuels
L504-1851; 030-43
030.4.4 Drive group 030-49
030.3.11.1 Liebherr recommendation 030-19
030.3.12 Lubrication grease
L504-1851; 030-19
030.3.12.1 Liebherr recommendation 030-19
030.3.12.2 Minimum quality requirement 030-19
030.3.13 Windscreen washer fluid
1504-1851; 030-20
030.3.13.1 Liebherr recommendation 030-20
030.3.13.2 Minimum quality requirement 030-20
030.3.14 Refrigerant oil for air conditioning compressor
1504-1851; 030-20
030.3.14.1 Liebherr recommendation 030-20
Maintenance tasks 030-21
030.4.1 Safety precautions
1504-1851; 030-21
030.4.2 Preparatory tasks for maintenance 030-21
0304.21 Maintenance positions
L504-1851; 030-22
0304.2.2 Servicezugénge 6ffnen
1504-1851; 030-23
030.4.2.3 Batteriehauptschalter ausschalten
L504-1851; 030-24
030.4.3 Overall machine 030-25
030.4.3.1 Checking machine is in proper condition
L504-1851; 030-25
030.4.3.2 Removing loose parts, dirt, ice and snow from
machine
L504-1851; 030-27
0304.33 Maschine reinigen
1504-1851; 030-27
0304.3.4 Operating fluid analysis: General specifications
L504-1851; 030-30
0304.3.5 Operating fluid analysis: filling out sample information
form
1504-1851; 030-33
0304.3.6 Fuel and operating fluid analysis: scope of analysis
L504-1851; 030-39
030.4.3.7 Analysis of lubricants and fuels
L504-1851; 030-43
030.4.4 Drive group 030-49
10
copyright ® Liebher-Werk Bischofshofen GmbH 2022
LIEBHERR L504-1851
LBH/M2278872/00/211-20220210_134616/en
LBH/M2278872/00/211-20220210_134616/en
LBH/M2278872/00/211-20220210_134616/en
Service manual
Contents
030.4.4.1 Checking diesel engine oil level
L 504-1851; 030-49
030.4.4.2 Diesel engine: changing the diesel engine oil
1504-1851; 030-51
030.4.4.3 Diesel engine: changing oil filter
L 504-1851; 030-53
030.44.4 Diesel engine: checking V-belt
1504-1851; 030-55
030.4.4.5 Diesel engine: changing V-belt
L 504-1851; 030-57
030.4.4.6 Diesel engine: checking valve clearance
1504-1851; 030-58
030.4.4.7 Fuel tank: draining condensate and sediment
L 504-1851; 030-63
030.4.4.8 Fuel pre-filter: draining off condensate
1504-1851; 030-63
030.4.4.9 Changing fuel pre-filter element
L 504-1851; 030-64
030.4.4.10 Fuel fine filter: changing the filter element
L 504-1851; 030-66
030.4.4.11 Air filter system: cleaning service cover and dust
discharge valve
1504-1851; 030-67
030.4.4.12 Checking air filter vacuum switch function
1504-1851; 030-68
030.4.4.13 Cleaning or changing the main element of the air
filter system
1504-1851; 030-70
030.4.4.14 Luftfilteranlage: Sicherheitselement wechseln
L 504-1851; 030-72
030.4.4.15 Checking that diesel engine intake and exhaust
system is in good condition and not loose or leaking
L 504-1851; 030-73
030.4.4.16 Diesel particulate filter: cleaning or changing filter
module
1504-1851; 030-75
030.45 Cooling system 030-77
030.4.5.1 Cooling system: checking coolant level
L 504-1851; 030-77
030.4.5.2 Coolant: checking anti-freeze and corrosion protec-
tion agent concentration
1504-1851; 030-79
030.4.5.2 Checking the corrosion inhibitor concentration
L 504-1851; 030-79
030.4.5.3 Cleaning the cooling system
1504-1851; 030-86
copyright ® Liebherr-Werk Bischofshofen GmbH 2022
504-1851 LIEBHERR 1
Contents
L 504-1851; 030-49
030.4.4.2 Diesel engine: changing the diesel engine oil
1504-1851; 030-51
030.4.4.3 Diesel engine: changing oil filter
L 504-1851; 030-53
030.44.4 Diesel engine: checking V-belt
1504-1851; 030-55
030.4.4.5 Diesel engine: changing V-belt
L 504-1851; 030-57
030.4.4.6 Diesel engine: checking valve clearance
1504-1851; 030-58
030.4.4.7 Fuel tank: draining condensate and sediment
L 504-1851; 030-63
030.4.4.8 Fuel pre-filter: draining off condensate
1504-1851; 030-63
030.4.4.9 Changing fuel pre-filter element
L 504-1851; 030-64
030.4.4.10 Fuel fine filter: changing the filter element
L 504-1851; 030-66
030.4.4.11 Air filter system: cleaning service cover and dust
discharge valve
1504-1851; 030-67
030.4.4.12 Checking air filter vacuum switch function
1504-1851; 030-68
030.4.4.13 Cleaning or changing the main element of the air
filter system
1504-1851; 030-70
030.4.4.14 Luftfilteranlage: Sicherheitselement wechseln
L 504-1851; 030-72
030.4.4.15 Checking that diesel engine intake and exhaust
system is in good condition and not loose or leaking
L 504-1851; 030-73
030.4.4.16 Diesel particulate filter: cleaning or changing filter
module
1504-1851; 030-75
030.45 Cooling system 030-77
030.4.5.1 Cooling system: checking coolant level
L 504-1851; 030-77
030.4.5.2 Coolant: checking anti-freeze and corrosion protec-
tion agent concentration
1504-1851; 030-79
030.4.5.2 Checking the corrosion inhibitor concentration
L 504-1851; 030-79
030.4.5.3 Cleaning the cooling system
1504-1851; 030-86
copyright ® Liebherr-Werk Bischofshofen GmbH 2022
504-1851 LIEBHERR 1
Contents
Service manual
0304.5.4 Cooling system: changing coolant
L504-1851; 030-87
030.4.6 Hydraulic components 030-90
030.4.6.1 Hydraulic tank: checking oil level
L504-1851; 030-90
030.4.6.2 Hydraulic tank: draining off condensate and sediment
L504-1851; 030-91
0304.6.3 Changing the return filter in the hydraulic tank
1504-1851; 030-92
0304.6.4 Hydraulic tank: changing breather filter
1504-1851; 030-93
0304.6.5 Hydraulic tank: changing oil
L504-1851; 030-94
030.4.7 Steering system 030-97
030.4.7.1 Test steering
1504-1851; 030-97
0304.7.2 Steering cylinder: lubricating bearing
L504-1851; 030-98
030.4.8 Brake system 030-98
030.4.8.1 Testing service brake and parking brake
1504-1851; 030-98
0304.8.2 Checking oil level in brake system
L504-1851; 030-99
030.4.8.3 Checking gap and wear on service brake linings
1504-1851; 030-101
030.4.9 Electrical system 030-103
030.4.9.1 Lighting and horn: Checking function
1504-1851; 030-103
0304.9.2 Checking the batteries
1504-1851; 030-104
030.4.9.3 Use the control lever to change the travel direction
switch rocker and cap.
L504-1851; 030-105
030.4.10 Gearbox 030-107
030.4.10.1 Transmission: checking oil level
1504-1851; 030-107
030.4.10.2 Transmission: changing oil
L504-1851; 030-108
030.4.11 Axles and drive shafts 030-109
030.4.11.1 Axle: checking oil levels
1504-1851; 030-109
030.4.11.1 Checking oil level in wheel hubs
1504-1851; 030-109
L504-1851; 030-87
030.4.6 Hydraulic components 030-90
030.4.6.1 Hydraulic tank: checking oil level
L504-1851; 030-90
030.4.6.2 Hydraulic tank: draining off condensate and sediment
L504-1851; 030-91
0304.6.3 Changing the return filter in the hydraulic tank
1504-1851; 030-92
0304.6.4 Hydraulic tank: changing breather filter
1504-1851; 030-93
0304.6.5 Hydraulic tank: changing oil
L504-1851; 030-94
030.4.7 Steering system 030-97
030.4.7.1 Test steering
1504-1851; 030-97
0304.7.2 Steering cylinder: lubricating bearing
L504-1851; 030-98
030.4.8 Brake system 030-98
030.4.8.1 Testing service brake and parking brake
1504-1851; 030-98
0304.8.2 Checking oil level in brake system
L504-1851; 030-99
030.4.8.3 Checking gap and wear on service brake linings
1504-1851; 030-101
030.4.9 Electrical system 030-103
030.4.9.1 Lighting and horn: Checking function
1504-1851; 030-103
0304.9.2 Checking the batteries
1504-1851; 030-104
030.4.9.3 Use the control lever to change the travel direction
switch rocker and cap.
L504-1851; 030-105
030.4.10 Gearbox 030-107
030.4.10.1 Transmission: checking oil level
1504-1851; 030-107
030.4.10.2 Transmission: changing oil
L504-1851; 030-108
030.4.11 Axles and drive shafts 030-109
030.4.11.1 Axle: checking oil levels
1504-1851; 030-109
030.4.11.1 Checking oil level in wheel hubs
1504-1851; 030-109
copyright ® Liebher-Werk Bischofshofen GmbH 2022
12
L504-1851
LBH/M2278872/00/211-20220210_134616/en
LBH/M2278872/00/211-20220210_134616/en
LBH/M2278872/00/211-20220210_134616/en
Service manual
Contents
030.4.12
030.4.13
030.4.14
030.4.11.2 Changing axle oil
L504-1851; 030-111
030.4.11.3 Axles: checking tightening torque of fastening bolts
030.4.11.3 Axles: checking tightening torque of fastening bolts
1504-1851; 030-115
030.4.11.4 Checking the drive shafts
030.4.11.4 Checking the drive shafts
L504-1851; 030-116
030.4.11.5 Tyres: checking tyre pressure
030.4.11.5 Tyres: checking tyre pressure
1504-1851; 030-117
030.4.11.6 Checking wheel tightness
030.4.11.6 Checking wheel tightness
L504-1851; 030-118
Steel parts of the basic machine 030-118
030.4.12.1 Lubricating the articulated bearing
Steel parts of the basic machine 030-118
030.4.12.1 Lubricating the articulated bearing
L504-1851; 030-118
030.4.12.2 Lubricating the articulation stops
030.4.12.2 Lubricating the articulation stops
L504-1851; 030-119
030.4.12.3 Engine bonnet: lubricating moving parts with pene-
030.4.12.3 Engine bonnet: lubricating moving parts with pene-
trating oil
1504-1851; 030-120
030.4.124 Service hatches: cleaning and maintaining seals
030.4.124 Service hatches: cleaning and maintaining seals
L504-1851; 030-120
Working attachment 030-121
030.4.13.1 Lubricating the lift arms and working attachment
Working attachment 030-121
030.4.13.1 Lubricating the lift arms and working attachment
1504-1851; 030-121
030.4.13.2 Checking lift arm bucket bearing bushings
030.4.13.2 Checking lift arm bucket bearing bushings
L504-1851; 030-122
030.4.13.3 Lift arms: checking bucket stops
030.4.13.3 Lift arms: checking bucket stops
1504-1851; 030-123
030.4.13.4 Quick coupler: checking function
030.4.13.4 Quick coupler: checking function
L504-1851; 030-124
030.4.13.5 Cleaning LIKUFIX hydraulic coupling
030.4.13.5 Cleaning LIKUFIX hydraulic coupling
1504-1851; 030-125
Operator’s cab, heating and air conditioning 030-125
030.4.14.1 Cleaning operator’s cab air filter
Operator’s cab, heating and air conditioning 030-125
030.4.14.1 Cleaning operator’s cab air filter
L504-1851; 030-125
030.4.14.2 Changing operator’s cab air filter
030.4.14.2 Changing operator’s cab air filter
1504-1851; 030-126
030.4.14.3 Safety belt: checking condition and function
030.4.14.3 Safety belt: checking condition and function
1504-1851; 030-127
030.4.144 Windscreen washer system: testing
030.4.144 Windscreen washer system: testing
L504-1851; 030-127
030.4.14.5 Windscreen washer system: filling windscreen
030.4.14.5 Windscreen washer system: filling windscreen
washer fluid
L 504-1851; 030-127
L 504-1851; 030-127
L504-1851
copyright ® Liebherr-Werk Bischofshofen GmbH 2022
LIEBHERR 13
Contents Service manual
030.4.14.6 Operator’s cab: lubricating locking mechanism and
cylinder with penetrating oil
L504-1851; 030-128
030.4.14.7 Operator’s cab: cleaning and maintaining seals
1504-1851; 030-129
030.4.14.8 Air conditioning: checking V-belt
L504-1851; 030-130
030.4.14.9 Air conditioning: changing V-belt
1504-1851; 030-132
030.4.14.10 Air conditioning unit: draining the condensate
L504-1851; 030-134
030.4.14.11 Heating and air conditioning unit: Testing function
1504-1851; 030-135
030.4.15 Lubrication system 030-136
030.4.15.1 Central lubrication system: checking level in grease
reservoir
L504-1851; 030-136
030.4.15.2 Central lubrication system: checking pipes, hoses
and lubrication points for leaks and damage.
L504-1851; 030-137
030.4.15.3 Central lubrication system: checking lubrication of
bearings
1504-1851; 030-138
030.5 Testing and adjustment checklist 030-139
030.6 Testing and adjustment tasks 030-140
030.6.1 Safety precautions
L 504-1851; 030-140
060 Working hydraulics 060-1
060.1 Overview of working hydraulics
L504-1851; 060-2
070 Travel hydraulics 070-1
070.1 Overview of travel hydraulics
L504-1851; 070-2
080 Hydraulic components 080-1
080.1 Hydraulic system: overview
L504-1851; 080-2
080.2 Hydraulic tank 080-4
080.2.1 Overview of hydraulic tank
L 504-1851; 080-4
copyright ® Liebher-Werk Bischofshofen GmbH 2022
14 LIEBHERR L504-1851
Contents Service manual
030.4.14.6 Operator’s cab: lubricating locking mechanism and
cylinder with penetrating oil
L504-1851; 030-128
030.4.14.7 Operator’s cab: cleaning and maintaining seals
1504-1851; 030-129
030.4.14.8 Air conditioning: checking V-belt
L504-1851; 030-130
030.4.14.9 Air conditioning: changing V-belt
1504-1851; 030-132
030.4.14.10 Air conditioning unit: draining the condensate
L504-1851; 030-134
030.4.14.11 Heating and air conditioning unit: Testing function
1504-1851; 030-135
030.4.15 Lubrication system 030-136
030.4.15.1 Central lubrication system: checking level in grease
reservoir
L504-1851; 030-136
030.4.15.2 Central lubrication system: checking pipes, hoses
and lubrication points for leaks and damage.
L504-1851; 030-137
030.4.15.3 Central lubrication system: checking lubrication of
bearings
1504-1851; 030-138
030.5 Testing and adjustment checklist 030-139
030.6 Testing and adjustment tasks 030-140
030.6.1 Safety precautions
L 504-1851; 030-140
060 Working hydraulics 060-1
060.1 Overview of working hydraulics
L504-1851; 060-2
070 Travel hydraulics 070-1
070.1 Overview of travel hydraulics
L504-1851; 070-2
080 Hydraulic components 080-1
080.1 Hydraulic system: overview
L504-1851; 080-2
080.2 Hydraulic tank 080-4
080.2.1 Overview of hydraulic tank
L 504-1851; 080-4
copyright ® Liebher-Werk Bischofshofen GmbH 2022
14 LIEBHERR L504-1851
LBH/M2278872/00/211-20220210_134616/en
LBH/M2278872/00/211-20220210_134616/en
LBH/M2278872/00/211-20220210_134616/en
Service manual
Contents
090 Steering system 090-1
090.1 Steering system overview
090.1 Steering system overview
1504-1851; 090-2
100 Brake system 100-1
100.1 Overview of brake system
100.1 Overview of brake system
L504-1851; 100-2
110 Electrical system 110-1
110.1 Circuit diagrams
L504-1851; 110-2
200 Diagnosis 200-1
200.1 Malfunctions 200-2
200.2 Troubleshooting 200-3
copyright ® Liebherr-Werk Bischofshofen GmbH 2022
1504-1851 LIEBHERR 15
Introduction Service manual
1504-1851 LIEBHERR 15
Introduction Service manual
010.1.6 Safe operation 010-15
010.1.6.1 Intoxicants 010-15
010.1.6.1 Intoxicants 010-15
010.1.6.2 Dangerous fuels and operating fluids 010-15
010.1.6.3 Transporting machine 010-16
010.1.6.4 Access to machine 010-16
010.1.6.5 Machine danger zone 010-17
010.1.6.6 Visibility 010-17
010.1.6.7 Protection against vibration 010-18
010.1.6.8 Operation of machine 010-19
010.1.7 Safe maintenance 010-22
010.1.7.1 Spare parts 010-22
010.1.7.1 Spare parts 010-22
010.1.7.2 Heavy parts 010-22
010.1.7.3 Regular checks 010-23
010.1.8 Modifications to the machine 010-23
010.1.8.1 Modifications, add-ons and retrofittings 010-23
010.1.8.1 Modifications, add-ons and retrofittings 010-23
010.2 Special tools for maintenance and repair work 010-24
010.2.1 Special tools for diesel engine 010-24
010.2.2 Special tools for lift cylinders 010-25
010.2.3 Special tools for tilt cylinders 010-25
010.24 Special tools for quick coupler locking hydraulic cylinder 010-26
010.2.5 Special tools for steering wheel 010-26
010.2.6 Special tools for steering cylinders 010-26
010.2.7 Special tools for the electrical system 010-27
010.2.8 Special tools for axles 010-27
010.2.9 Special tools for air conditioning system 010-27
010.2.10 Special tools for cab glazing 010-28
010.2.11 Special tools for the central lubrication system (Liebherr) 010-28
010.3 Standards and regulations 010-30
010.2.1 Special tools for diesel engine 010-24
010.2.2 Special tools for lift cylinders 010-25
010.2.3 Special tools for tilt cylinders 010-25
010.24 Special tools for quick coupler locking hydraulic cylinder 010-26
010.2.5 Special tools for steering wheel 010-26
010.2.6 Special tools for steering cylinders 010-26
010.2.7 Special tools for the electrical system 010-27
010.2.8 Special tools for axles 010-27
010.2.9 Special tools for air conditioning system 010-27
010.2.10 Special tools for cab glazing 010-28
010.2.11 Special tools for the central lubrication system (Liebherr) 010-28
010.3 Standards and regulations 010-30
010.3.1 Prestressing forces and tightening torques for bolts with metric
standard and fine threads as per DIN ISO 261 010-30
standard and fine threads as per DIN ISO 261 010-30
010.3.1.1 Range of application and purpose 010-30
010.3.1.2 Other applicable documents 010-30
010.3.1.3 Modifications and descriptions 010-31
010.3.1.4 Tightening torques 010-31
010.3.2 Liebherr standards for assembly instructions and tightening torques010-37
Contact us: [email protected]
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