Liebherr L 550 1756 Wheel Loader Operator’s Manual SN 48644 – PDF DOWNLOAD
FILE DETAILS:
Liebherr L 550 1756 Wheel Loader Operator’s Manual SN 48644 – PDF DOWNLOAD
Language : English
Pages : 398
Downloadable : Yes
File Type : PDF
Size: 88.8 MB
DESCRIPTION:
Liebherr L 550 1756 Wheel Loader Operator’s Manual SN 48644 – PDF DOWNLOAD
Preface:
This operator’s manual has been written for the operator and for the maintenance
staff of the machine.
It contains the following descriptions:
– Chapter 1 “Product description”
– Chapter 2 “Safety regulations”
– Chapter 3 “Handling and operation”
– Chapter 4 “Malfunctions”
– Chapter 5 “Maintenance”
This operator’s manual must be carefully read before initially putting into service and should be read and used later at regular intervals by anyone who carries out work on the machine.
Working with or on the machine includes:
– Operation including equipping, troubleshooting during operation, removing
production debris, maintenance, removing operating and auxiliary materials.
– Servicing including maintenance, inspection and repair work.
– Transport or loading the machine.
This operator’s manual helps the driver to become acquainted with the machine and prevents malfunctions due to incorrect operation.
Observation of the operator’s manual by maintenance staff:
– Increases reliability during operation
– Extends the service life of your machine
– Reduces repair costs and downtime
- This operator’s manual must be kept with the machine. Make sure a copy is kept in the storage compartment of the operator’s cab at all times.
- In addition to the operator’s manual, follow the instructions based on existing national accident prevention and environmental protection regulations.
- In addition to the operator’s manual and applicable national and local legal accident prevention rules, observe the recognised technical regulations for safe and correct operation.
- This operator’s manual contains all the information you need to operate and maintain your machine.
– Some illustrations in this operator’s manual may show details and equipment that are different from those on your machine.
– On some pictures, protective devices and covers have been removed for a better view.
– We are constantly making improvements to our machines, which means there may have been modifications to your machine which are not mentioned in this operator’s manual.
However, if you should require explanations or information, the Liebherr technical
information and customer services departments will be happy to provide assistance.
TABLE OF CONTENTS:
Liebherr L 550 1756 Wheel Loader Operator’s Manual SN 48644 – PDF DOWNLOAD
1.1 Technical description 17
1.1.1 Overview of the complete machine 17
1.2 Technical data 18
1.2.1 Vibrations 18
1.2.2 CO2 emissions from diesel engine 19
1.2.3 Sound level 20
1.2.4 Diesel engine 20
1.2.5 Electrical system 21
1.2.6 Travel drive 22
1.2.7 Axles 22
1.2.8 Braking 23
1.2.9 Steering 23
1.2.10 Working hydraulics 23
1.2.11 Lift arms 23
1.2.12 Cab 24
1.2.13 Heating, ventilation 24
1.2.14 Air conditioning 25
1.2.15 Refuelling pump 25
1.2.16 Tow hitch 25
1.2.17 Ballast 26
1.2.18 Tyres 26
1.2.19 Snow chains or guard chains 28 0 r:,
1.2.20 Foam-filled tyres 29
1.2.21 Complete machine with bucket (Z lift arms) 29 52
1.2.22 Complete machine with loading bucket (industrial lift arms) 31 “”” I~D 1.2.23 Working attachment: light material bucket 32
1.2.24 Working attachment: high dump bucket 34
1.2.25 Working attachment: forklift 35
1.2.27 Working attachment: log grappler 36
2 Safety instructions 39
2.1 Information on these instructions 39
2.1.1 Representation of warning messages 39
2.1.2 Graphic symbols in these instructions 39
2.2 Intended use 40
2.2.1 Laws, rules, guidelines and safety regulations 40
2.2.2 Intended use 40
2.2.3 Foreseeable misuse 41
2.2.4 Operating conditions 41
2.2.5 Disposal 42
2.3 Description of staff 42
2.3.1 Personal protective equipment 42
2.3.2 Requirements for staff 43
2.3.3 Operating company 43
2.3.4 Operator 44
2.3.5 Maintenance staff 45
2.3.6 Refrigeration technician 45
2.3.7 Slinger 46
2.3.8 Spotter 47
2.4 Signs on the machine 47
2.4.1 Safety signs 48
2.4.2 Information signs 49
2.4.3 Identification plate 52
2.5 Protective devices on the machine 53
2.5.1 Operator’s cab 53
2.5.2 Roll over protective structure (ROPS) 53
C: 2.5.3 Falling object protective structures (FOPS) 54 .!l 0 r:,
0 2.6 Emergency equipment on the machine 54 0
2.6.1 Emergency exit (standard)
2.6.2 Fire extinguisher (option) 55
2.6.3 Emergency actuation of parking brake (option) 55 ID
2.7 Safe operation 55
2.7.1 Intoxicants 55
2.7.2 Dangerous fuels and operating fluids 56
2.7.3 Transporting machine 56
2.7.4 Access to machine 57
2.7.5 Machine danger zone 57
2.7.6 Visibility 58
2.7.7 Protection against vibration 59
2.7.8 Operation of machine 60
2.8 Safe maintenance 63
2.8.1 Spare parts 63
2.8.2 Heavy parts 63
2.8.3 Regular checks 63
2.9 Modifications to the machine 64
2.9.1 Modifications, add-ons and retrofittings 64
3 Handling and operation 65
3.1 Control elements 65
3.1.1 Operator’s cab 65
3.1.2 Display 66
3.1.3 Control unit 66
3.1.4 Switches and buttons 67
3.1.5 Control lever 68
3.2 Handling 70
3.2.1 Battery main switch 70
3.2.2 Articulation lock 71
3.2.3 Entering and leaving machine 72
3.2.4 Cab window 75
3.2.5 Emergency exit 76
3.2.6 Fire extinguisher 77
3.2.7 Operator’s seat 78 0 r:,
3.2.8 Safety belt 86 0
3.2.9 Steering wheel 87
3.2.12 Driver identification 93
3.2.13 Steering-column switch 94
3.2.14 Lighting 95
3.2.15 Interior lighting of the driver’s cab 98
3.2.16 Display 98
3.2.17 Control lever 133
3.2.18 Mini-joystick 136
3.2.19 Multi-lever control 145
3.2.20 Heating, air conditioning 164
3.2.21 Rear window heater and exterior mirror heater (option) 167
3.2.22 Interior mirror, exterior mirrors and wide-angle mirrors (option) 168
3.2.23 Sun blind 168
3.2.24 Radio 169
3.2.25 Windscreen washer system 169
3.2.26 Liebherr central lubrication system 170
3.2.27 Reversing alarm 174
3.2.28 Folding chock (option) 177
3.2.29 Cooling water preheating 177
3.2.30 Automatic delayed engine stop 178
3.2.31 Auxiliary heater 179
3.2.32 LiDAT 181
3.3 Operation 182
3.3.1 Daily start-up 182
3.3.2 Starting diesel engine 184
3.3.3 Travel mode 186
3.3.4 Driving on public roads 196
3.3.5 Shutting down the machine 197
3.3.6 Moving the working attachment 201
3.3.7 Regenerating the diesel particulate filter 209
3.3.8 Refuelling pump: Refuelling procedure 216
3.3.9 Forklift 217
3.3.10 2in1 steering
3.3.11 Joystick steering 52
3.3.12 Roof camera for front space monitoring 229 “‘ ~ ID
3.3.13 Skyview 360° 231 …J
3.4 Working methods 238
3.4.1 Picking up material 238
3.4.2 Transporting and moving material
3.4.3 Emptying the working attachment
3.4.4 Handling materials with high dump buckets
3.4.5 Loading with clamp buckets
3.4.6 Grading work
3.4.7 Removing material from a slope or wall
3.4.8 Loading a transport vehicle
3.4.9 Excavation
3.5 Fitting and removing the attachment
3.5.1 Hydraulic connections for hydraulic working attachment
3.5.2 Removing the working attachment from the quick coupler
3.5.3 Fitting working attachments to the quick coupler
3.6 Transport
3.6.1 Transporting the machine
3.6.2 Transport safety retainer
3.7 Emergency modes
3. 7 .1 Lowering the lift arms if the diesel engine fails
3.7.2 Recovering and towing the machine
3.7.3 Emergency steering
3.7.4 Jump starting procedure
3.7.5 Jump start aid
3.7.6 Emergency actuation of parking brake
Malfunctions
4.1 Servicecodes
4.1.1 Service code indicator in the display
4.2 Problems – Cause – Remedy
4.2.1 Warning symbols
4.2.2 SCR system warning symbols
4.2.3 Troubleshooting for the diesel engine and fuel system
4.2.4 Troubleshooting the Liebherr central lubrication system
4.3 Problem remedy
4.3.1 Replacing fuses
4.3.2 Changing and programming pressure sensor of tyre pressure monitoring
5 Maintenance 293
5.1 Maintenance and inspection schedule 293
5.2 Filling quantities and lubrication chart 298
5.2.1 Lubricant filling quantity 298
5.2.2 Fuel and operating fluid filling quantity 298
5.2.3 Lubrication chart 298
5.3 Lubricants and fuels 302
5.3.1 General information on lubricants and fuels 302
5.3.2 General information on changing lubricants and fuels 302
5.3.3 Converting hydraulic system from mineral oils to biodegradable
hydraulic fluids 302
5.3.4 Diesel fuels 303
5.3.5 Diesel exhaust fluid 304
5.3.6 Engine oils 304
5.3.7 Refrigerant 306
5.3.8 Coolant 306
5.3.9 Hydraulic oil 307
5.3.10 Splitter box oil 308
5.3.11 Gear oil 308
5.3.12 Axle oil 309
5.3.13 Lubrication grease 309
5.3.14 Windscreen washer fluid 310
5.3.15 Refrigerant oil for air conditioning compressor 310
5.4 Safety precautions 311
5.5 Preparatory tasks for maintenance 312
5.5.1 Maintenance positions 312
5.5.2 Opening the service hatches 313
5.5.3 Turning off the battery main switch 317
5.6 Overall machine 319 C: .!l 0 r:,
5.6.1 Checking the machine is in the proper condition 319 0
5.6.2 Removing loose parts, dirt, ice and snow from machine 320
5.6.3 Checking the hydraulic lines for damage 320
5.6.4 Cleaning machine
5.6.5 Shutting down the machine for a lengthy period 327
5.6.6 Deactivating the machine 328
5.7 Drive group 329
5.7.1 Checking diesel engine oil level 329
5.7.2 Checking diesel engine belt drive 331
5.7.3 Fuel tank: Draining off condensate and sediment 332
5.7.4 Fuel pre-filter: Draining off condensate 333
5.7.5 Air filter system: Cleaning the service cover and dust discharge valve 334
5.7.6 Cleaning or changing the main element of the air filter system 336
5.7.7 Air filter system: Changing the safety element 339
5.7.8 Splitter box: Checking the oil level 340
5.7.9 Checking that the diesel engine intake and exhaust system is in good
condition and not loose or leaking 342
5.7.10 Checking the diesel engine for leaks, contamination and damage 344
5.8 Cooling system 346
5.8.1 Cooling system: Checking the coolant level 346
5.8.2 Coolant: checking the antifreeze and corrosion protection agent
concentration 347
5.8.3 Cleaning the cooling system 354
5.9 Hydraulic components 356
5.9.1 Hydraulic tank: Checking the oil level 356
5.10 Steering system 359
5.10.1 Steering: Checking the function 359
5.10.2 Steering cylinders: Lubricating the bearings 359
5.11 Brake system 361
5.11.1 Emergency actuation of parking brake: checking the seal 361
5.12 Electrical system 362
5.12.1 Checking function of the lighting and horn 362
5.12.2 Personnel detection: cleaning sensor 363
5.13 Gearbox 364
Transmission: checking the oil level 364
5.14 Axles and drive shafts r:, 368
5.14.1 Checking the tyre pressure 368
5.14.2 Checking the wheel tightness 369
5.15.1 Lubricating the articulation bearing and the rear axle oscillating bearing 370
5.15.2 Cooler hood: Lubricating moving parts with penetrating oil 370
5.15.3 Engine hood: Lubricating moving parts with penetrating oil 371
5.15.4 Right cab access: Lubricating moving parts with penetrating oil 372
5.15.5 Service hatches: cleaning and maintaining seals 372
5.16 Working attachment 374
5.16.1 Lubricating the lift arms and working attachment 374
5.16.2 Lift arms: Checking the bucket bearing seals 375
5.16.3 Bucket: Check the teeth or undercut blade for wear and replace if
necessary 376
5.16.4 Lubricate and test the bearings on the quick coupler. 379
5.16.5 High dump bucket: Lubricating the bearing 380
5.17 Operator’s cab, heating and air conditioning 381
5.17.1 Operator’s cab: cleaning the fresh and recirculated air filters 381
5.17.2 Operator’s cab: changing fresh air filter and recirculated air filters 382
5.17.3 Safety belt: Checking the condition and function 384
5.17.4 Testing the windscreen washer system 385
5.17.5 Windscreen washer system: filling windscreen washer fluid 385
5.17.6 Cab: Lubricating the lock and cylinder with penetrating oil 386
5.17.7 Operator’s cab: cleaning and maintaining seals 386
5.17.8 Heating and air conditioning unit: Testing the function 387
5.18 Lubrication system 388
5.18.1 Checking the level in the grease reservoir of the central lubrication
system 388
5.18.2 Central lubrication system: Checking the pipes, hoses and lubrication
points for leaks and damage 389
5.18.3 Central lubrication system: Checking the lubrication of the bearings 389
Index 391
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VIDEO PREVIEW OF THE MANUAL:
PLEASE NOTE:
- This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
- Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.
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