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Liebherr L 506 776 Wheel Loader Operating Manual SN 12800 – PDF DOWNLOAD
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Liebherr L 506 776 Wheel Loader Operating Manual SN 12800 – PDF DOWNLOAD
Document identification:
Order number: 10044701
Version: 07/2009
Document version: 06
Valid for: L506 – 776 from 12800
Product identification:
Type: L506
Type no.: 776
Serial number: from 12800
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Description
Liebherr L 506 776 Wheel Loader Operating Manual SN 12800 – PDF DOWNLOAD
FILE DETAILS:
Liebherr L 506 776 Wheel Loader Operating Manual SN 12800 – PDF DOWNLOAD
Language : English
Pages : 251
Downloadable : Yes
File Type : PDF
Size: 7.89 MB
DESCRIPTION:
Liebherr L 506 776 Wheel Loader Operating Manual SN 12800 – PDF DOWNLOAD
Document identification:
Order number: 10044701
Version: 07/2009
Document version: 06
Valid for: L506 – 776 from 12800
Product identification:
Type: L506
Type no.: 776
Serial number: from 12800
Foreword:
This operating manual has been written for the driver and for the maintenance personnel of the machine.
It describes:
Chapter 1: Product description
Chapter 2: Safety regulations
Chapter 3: Operation and handling
Chapter 4: Malfunctions
Chapter 5: Maintenance
This operating manual must be carefully read before initial operation and should be read and used later at regular intervals by anyone responsible for working on the machine.
Working with or on the machine includes:
Operation including equipping, troubleshooting during operation, removing production debris, maintenance, and removing operating and auxiliary materials.
Servicing including maintenance, inspection, and repairs.
Transport or loading the machine.
This manual helps the driver to become acquainted with the machine and prevents malfunctions due to incorrect operation.
Observation of the operating manual by maintenance staff:
Increases reliability during operation
Extends the service life of your machine
Reduces repair costs and downtime
This manual must be kept with the machine. Make sure a copy is always kept in the glove compartment of the driver’s cab.
- In addition to the operating manual, follow the instructions based on existing national accident prevention and environmental protection regulations.
- In addition to the operating manual and applicable national and local legal accident prevention rules, observe the recognized technical regulations for safe and proper operation.
- This operating manual contains all the information you need to operate and service your machine.
- If you should require more detailed explanations or information, our technical information and customer services departments will be happy to provide assistance.
- You will understand that we cannot accept warranty claims for damage due to improper use, insufficient maintenance, use of non-approved consumables, or failure to follow the safety instructions.
- Liebherr will cancel without prior notice all obligations such as warranty agreements and service contracts entered into by Liebherr and/or its agents if spare parts other than genuine Liebherr parts or those purchased from Liebherr are used for maintenance and repairs.
- In extreme conditions, maintenance may be required more often than stated in the inspection schedule.
Modifications, conditions, copyright:
- We reserve the right to alter the technical details of the machine regardless of the specifications and illustrations in these documents.
- The warranty and liability terms contained in Liebherr’s general conditions of trade are not affected by the information in the manual.
- The information and illustrations in this manual may not be reproduced, distributed, or used for commercial purposes. All rights under copyright laws are expressly reserved.
- Machine data: Our system sometimes records data which is relevant to the component. The manufacturer uses this data to continue improving functions and reliability.
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
Liebherr L 506 776 Wheel Loader Operating Manual SN 12800 – PDF DOWNLOAD
1 Product description 1-1
1.1 Technical data 1-2
1.1.1 Complete machine with bucket 1-2
1.1.2 Engine 1-3
1.1.3 Electrical system 1-4
1.1.4 Travel drive 1-4
1.1.5 Axles 1-4
1.1.6 Braking 1-5
1.1.7 Steering 1-5
1.1.8 Working hydraulics 1-5
1.1.9 Working attachment 1-6
1.1.10 Driver’s cab 1-7
1.1.11 Heating and ventilation 1-7
1.1.12 Sound emission 1-7
1.1.13 Towing device 1-8
1.1.14 Tyres 1-8
1.1.15 Air conditioning system 1-10
1.1.16 Snow chains or guard chains 1-11
1.1.17 Diesel particle filter 1-11
1.1.18 Light material bucket with undercut blade 1-12
1.1.19 4in 1 bucket 1-14
1.1.20 Forklift 1-16
2 Safety regulations 2-1
21 Introduction 2-1
2.2 General safety regulations 2-2
23 Proper use 2-3
24 Decals on the machine 2-4
241 Safety decals 2-4
copyright by
L506-776/12800 LIEBHERR
Contents
1.1 Technical data 1-2
1.1.1 Complete machine with bucket 1-2
1.1.2 Engine 1-3
1.1.3 Electrical system 1-4
1.1.4 Travel drive 1-4
1.1.5 Axles 1-4
1.1.6 Braking 1-5
1.1.7 Steering 1-5
1.1.8 Working hydraulics 1-5
1.1.9 Working attachment 1-6
1.1.10 Driver’s cab 1-7
1.1.11 Heating and ventilation 1-7
1.1.12 Sound emission 1-7
1.1.13 Towing device 1-8
1.1.14 Tyres 1-8
1.1.15 Air conditioning system 1-10
1.1.16 Snow chains or guard chains 1-11
1.1.17 Diesel particle filter 1-11
1.1.18 Light material bucket with undercut blade 1-12
1.1.19 4in 1 bucket 1-14
1.1.20 Forklift 1-16
2 Safety regulations 2-1
21 Introduction 2-1
2.2 General safety regulations 2-2
23 Proper use 2-3
24 Decals on the machine 2-4
241 Safety decals 2-4
copyright by
L506-776/12800 LIEBHERR
Contents
Operating Manual
242 Information decals 2-7
24.3 Type plates 2-13
25 Instructions on preventing crushing injuries
and burns 2-13
26 Instructions on preventing fires and explosions 2-14
27 Safety instructions for start-up 2-15
2.8 Safety precautions during start-up 2-15
29 Instructions for safe working 2-15
2.10 Safety instructions for driving on slopes 2-17
2.11 Parking safely 2-17
212 Transporting the machine safely 2-17
2.13 Towing the machine safely 2-18
2.14 Measures for ensuring safe maintenance 2-19
2.15 Safety instructions for maintenance work on
machines with hydro accumulators 2-21
2.16 Safety instructions for welding work on the
machine 2-22
217 Instructions for working safely on the working
attachment 2-22
2.18 Safety instructions for transporting the ma-
chine by crane 2-22
2.19 Safe maintenance of hydraulic hoses and hose
lines 2-23
2.20 Attachments and accessories 2-24
2.21 Protection against vibrations 2-24
3 Operation, Handling 3-1
3.1 Layout of control elements 3-1
3.2 Operation 3-2
3.21 Battery main switch 3-2
3.22 Cab access 3-2
3.23 Emergency exit 3-4
3.24 Driver’s seat with mechanical suspension 3-6
3.25 Driver’s seat with pneumatic suspension 3-11
3.2.6 Seat belt 3-16
3.27 Steering column and steering wheel 3-17
3.28 Ignition switch 3-1
24.3 Type plates 2-13
25 Instructions on preventing crushing injuries
and burns 2-13
26 Instructions on preventing fires and explosions 2-14
27 Safety instructions for start-up 2-15
2.8 Safety precautions during start-up 2-15
29 Instructions for safe working 2-15
2.10 Safety instructions for driving on slopes 2-17
2.11 Parking safely 2-17
212 Transporting the machine safely 2-17
2.13 Towing the machine safely 2-18
2.14 Measures for ensuring safe maintenance 2-19
2.15 Safety instructions for maintenance work on
machines with hydro accumulators 2-21
2.16 Safety instructions for welding work on the
machine 2-22
217 Instructions for working safely on the working
attachment 2-22
2.18 Safety instructions for transporting the ma-
chine by crane 2-22
2.19 Safe maintenance of hydraulic hoses and hose
lines 2-23
2.20 Attachments and accessories 2-24
2.21 Protection against vibrations 2-24
3 Operation, Handling 3-1
3.1 Layout of control elements 3-1
3.2 Operation 3-2
3.21 Battery main switch 3-2
3.22 Cab access 3-2
3.23 Emergency exit 3-4
3.24 Driver’s seat with mechanical suspension 3-6
3.25 Driver’s seat with pneumatic suspension 3-11
3.2.6 Seat belt 3-16
3.27 Steering column and steering wheel 3-17
3.28 Ignition switch 3-1
3.29 Electronic immobiliser 3-19
3.2.10 Steering column switch 3-20
3.2.11 Lighting 3-21
3.212 Interior cab lighting 3-24
3.2.13 Display unit 3-25
3.2.14 Switches on the side console 3-29
3.2.15 LIEBHERR control lever 3-35
3.2.16 Control lever for additional working functions 3 – 38
3.2.17 Heating and ventilation 3-39
3.2.18 Air conditioning system 3-41
3.2.19 Interior and exterior mirrors 3-42
3.2.20 Sun visor 3-43
3.2.21 Radio 3-43
3.2.22 Windshield wiper and washer system 3-44
3.2.23 Windshield washer fluid reservoir 3-46
3.2.24 Reversible fan drive 3-46
3.2.10 Steering column switch 3-20
3.2.11 Lighting 3-21
3.212 Interior cab lighting 3-24
3.2.13 Display unit 3-25
3.2.14 Switches on the side console 3-29
3.2.15 LIEBHERR control lever 3-35
3.2.16 Control lever for additional working functions 3 – 38
3.2.17 Heating and ventilation 3-39
3.2.18 Air conditioning system 3-41
3.2.19 Interior and exterior mirrors 3-42
3.2.20 Sun visor 3-43
3.2.21 Radio 3-43
3.2.22 Windshield wiper and washer system 3-44
3.2.23 Windshield washer fluid reservoir 3-46
3.2.24 Reversible fan drive 3-46
3.3 Handling 3-48
3.31 Daily start-up 3-48
3.32 Starting the engine 3-51
3.33 Driving 3-55
3.34 Shutting down the machine 3-64
3.35 Operating the lift arms 3-68
3.3.6 Working methods 3-77
3.3.7 Diesel particle filter 3-90
3.38 Quick-change device – fitting and removing
the working attachment 3-95
3.3.9 4 in 1 bucket 3-104
3.3.10 Forklift 3-105
3.3.11 Transporting the machine 3-107
3.3.10 Forklift 3-105
3.3.11 Transporting the machine 3-107
34 Emergency operation 3-113
3.41 Towing the machine 3-113
3.4.2 Jump starting 3-119
3.41 Towing the machine 3-113
3.4.2 Jump starting 3-119
4 Malfunctions 4-1
41 Service Code Table 4-2
411 Visible and audible warning signals 4-2
41.2 Troubleshooting 4-4
4.2 Eliminating malfunctions 4-7
4.21 Replacing fuses 4-7
5 Maintenance 5-1
5.1 Maintenance and inspection schedule 5-1
52 Lubricant chart, filling quantities 5-5
5.21 Table of filling quantities 5-5
522 Lubricant chart 5-6
53 Lubricants and fuels 5-8
5.3.1 Diesel fuels 5-9
532 Lubricating oils for diesel engines 5-10
53.3 Coolants for diesel engines 5-12
534 Hydraulic oils 5-13
535 Lubricating oils for the transmission 5-15
5.3.6 Brake oil 5-15
53.7 Grease for general lubrication points 5-16
54 Maintenance tasks 5-17
54.1 Preparatory tasks for maintenance 5-17
41 Service Code Table 4-2
411 Visible and audible warning signals 4-2
41.2 Troubleshooting 4-4
4.2 Eliminating malfunctions 4-7
4.21 Replacing fuses 4-7
5 Maintenance 5-1
5.1 Maintenance and inspection schedule 5-1
52 Lubricant chart, filling quantities 5-5
5.21 Table of filling quantities 5-5
522 Lubricant chart 5-6
53 Lubricants and fuels 5-8
5.3.1 Diesel fuels 5-9
532 Lubricating oils for diesel engines 5-10
53.3 Coolants for diesel engines 5-12
534 Hydraulic oils 5-13
535 Lubricating oils for the transmission 5-15
5.3.6 Brake oil 5-15
53.7 Grease for general lubrication points 5-16
54 Maintenance tasks 5-17
54.1 Preparatory tasks for maintenance 5-17
54.2 Removing loose parts, dirt, ice and snow
from the machine 5-21
54.3 Checking the machine for external damage 5-22
54.4 Making sure the bolted connections are tight 5-22
54.5 Sealing leaks 5-22
54.6 Checking the engine oil level 5-23
54.7 Changing the engine oil 5-23
54.8 Changing the engine oil filter 5-24
54.9 Changing the fuel pre-filter 5-26
5.4.10 Changing the fuel fine filter 5-27
from the machine 5-21
54.3 Checking the machine for external damage 5-22
54.4 Making sure the bolted connections are tight 5-22
54.5 Sealing leaks 5-22
54.6 Checking the engine oil level 5-23
54.7 Changing the engine oil 5-23
54.8 Changing the engine oil filter 5-24
54.9 Changing the fuel pre-filter 5-26
5.4.10 Changing the fuel fine filter 5-27
5.4.11 Draining off condensate from the fuel fine
filter 5-29
filter 5-29
54.12 Cleaning the air filter service cap and dust
extraction valve 5-30
54.13 Changing the air filter main element when
54.13 Changing the air filter main element when
indicated by the vacuum switch 5-30
54.14 Changing the air filter secondary element 5-31
5.4.15 Checking and draining the diesel particle
54.14 Changing the air filter secondary element 5-31
5.4.15 Checking and draining the diesel particle
filter condensate separator 5-32
5.4.16 Checking the coolant level 5-33
54.17 Checking the coolant antifreeze and corro-
5.4.16 Checking the coolant level 5-33
54.17 Checking the coolant antifreeze and corro-
sion inhibitor concentration 5-34
54.18 Cleaning the cooling system 5-38
5.4.19 Checking the oil level in the hydraulic tank 5-40
5.4.20 Testing the steering 5-40
5.4.21 Lubricating the bearing points on the steering
54.18 Cleaning the cooling system 5-38
5.4.19 Checking the oil level in the hydraulic tank 5-40
5.4.20 Testing the steering 5-40
5.4.21 Lubricating the bearing points on the steering
cylinders 5-40
54.22 Testing the service brake and parking brake 5-41
5.4.23 Checking the gap and wear on the service
54.22 Testing the service brake and parking brake 5-41
5.4.23 Checking the gap and wear on the service
and parking brake linings 5-42
54.24 Checking the oil level in the equalising reser-
54.24 Checking the oil level in the equalising reser-
voir of the brake system 5-43
5.4.25 Checking the indicator lamps and lighting 5-43
5.4.26 Checking the tightness of the wheels (once
5.4.25 Checking the indicator lamps and lighting 5-43
5.4.26 Checking the tightness of the wheels (once
after 50, 100 and 250 h) 5-44
5.4.27 Greasing the rear axle kingpin bearings 5-45
5.4.28 Checking and lubricating the cardan shaft(s) 5-46
5.4.29 Checking the tyre pressure 5-47
5.4.30 Lubricating the articulation bearing and rear
5.4.27 Greasing the rear axle kingpin bearings 5-45
5.4.28 Checking and lubricating the cardan shaft(s) 5-46
5.4.29 Checking the tyre pressure 5-47
5.4.30 Lubricating the articulation bearing and rear
oscillating bearing 5-47
5.4.31 Greasing the contact faces of the articulation
5.4.31 Greasing the contact faces of the articulation
stops 5-48
5.4.32 Checking the lubrication system grease res-
5.4.32 Checking the lubrication system grease res-
ervoir level 5-49
5.4.33 Checking the pipes, hoses and lubrication
5.4.33 Checking the pipes, hoses and lubrication
points of the lubrication system 5-50
54.34 Checking whether metered quantities are
54.34 Checking whether metered quantities are
adequate at the bearing points (grease col-
lars) of the central lubrication system 5-50
5.4.35 Greasing the cab door hinges 5-50
5.4.36 Cleaning the fresh air and recirculated air
5.4.35 Greasing the cab door hinges 5-50
5.4.36 Cleaning the fresh air and recirculated air
filter 5-51
5.4.37 Changing the fresh air and recirculated air
filter 5-52
5.4.38 Lubricating the lift arms and attachment 5-52
5.4.39 Checking the lift arm bearing bushings 5-53
5.4.40 Lubricating and testing the quick-change de-
vice 5-54
5.4.41 Cleaning the machine 5-55
5.4.42 Corrosion protection 5-57
6 Index 6-1
filter 5-52
5.4.38 Lubricating the lift arms and attachment 5-52
5.4.39 Checking the lift arm bearing bushings 5-53
5.4.40 Lubricating and testing the quick-change de-
vice 5-54
5.4.41 Cleaning the machine 5-55
5.4.42 Corrosion protection 5-57
6 Index 6-1
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