Liebherr Hydraulic excavator R 926 Classic Operating manual – PDF DOWNLOAD
FILE DETAILS:
Liebherr Hydraulic excavator R 926 Classic Operating manual – PDF DOWNLOAD
Language : English
Pages : 322
Downloadable : Yes
File Type : PDF
Size: 18.5 MB
DESCRIPTION:
Liebherr Hydraulic excavator R 926 Classic Operating manual – PDF DOWNLOAD
Product identification
Manufacturer: Liebherr Machinery (DaLian) Co. Ltd.
Type: R 926 Classic
Type no.: 1235 – 1302
from serial number 27 976
Introduction
This operating manual has been specifically designed for machine operators and maintenance personnel. It contains important warnings, information, and tips regarding the maintenance and proper operation of the machine. It assists you in becoming familiar with the functions and features of the machine and helps prevent incorrect operation.
- By strictly adhering to the instructions in the operating manual, you can significantly enhance the reliability and service life of the machine.
- The operating manual is an integral part of the machine. Ensure that a copy is always available in the storage compartment in the operator’s cab.
- Carefully read the operating manual before starting the machine and then regularly read it again. All persons carrying out work on or with the machine must be fully familiar with the content of the operating manual and must adhere to the instructions.
Such work includes:
- Machine operation, including tooling, troubleshooting during work, general care and cleaning, disposal of fuels and lubricants.
- Maintenance, including inspection, servicing, and repair.
- Transport or loading of the machine.
The machine owner must ensure that this operating manual is complemented with the relevant statutory regulations for accident prevention and the protection of the environment. Apart from the instructions in this operating manual and the statutory accident prevention, health, and safety regulations applicable in the country of operation, all personnel working on or with the machine must adhere to the best practices for safe and proper operation.
- Certain sections in this manual might not apply to your specific model. Some of the figures in this operating manual might show details or equipment that differ from those in your machine. Some of the figures show the equipment with guards or covers removed (for better depiction).
- As our products are constantly being improved, certain changes might be made to the equipment which are not referred to specifically in this operating manual.
- Should you require additional information or if you have any queries, please contact the Liebherr customer service department.
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
Liebherr Hydraulic excavator R 926 Classic Operating manual – PDF DOWNLOAD
1 Product description 1-1
1 1 Assembly – overview 1-1
1 1 1 Machine and construction equipment 1-1
1 1 2 Machine for transferring material 1-3
1 1 3 Upper carriage 1-4
1 1 4 Undercarriage 1-6
1 2 Vibration emissions 1-6
1 3 Sound emission 1-7
1 4 Technical data 1-7
2 Safety instructions, Signs on the machine 2-1
2 1 Meaning of the symbols in this manual 2-1
2 2 Use in accordance with the regulations 2-2
2 3 Safety Instructions 2-2
2 4 Servicing the machine safely 2-14
2 5 Signs on the machine 2-20
2 5 1 Types of signs 2-20
2 5 2 Overview of the signs 2-21
2 5 3 Description of the signs 2-22
2 5 4 Nameplates on the machine 2-27
3 Control and operation 3-1
3 1 Operating and control elements 3-1
3-1
3 1 2 The joysticks 3-3
3 1 3 Control unit 3-8
3 1 4 Monitoring display 3-13
3 1 5 Main screen (DISP02 R5 2 Software V4 57 X and V4 58 X) 3-16
3 1 6 Unlocking system with PIN code (option) 3-36
3 1 7 Controls and instrumentation for optional equipments 3-38
3 2 Access and equipment of the cab 3-42
3 2 1 Entering or leaving the cab 3-42
3 2 2 Safety lever 3-44
3-44
3 2 4 Putting on and releasing the safety belt 3-45
3 2 5 Windscreen 3-46
3 2 6 Sunshade 3-47
dow 3-47
3 2 8 Interior lights 3-48
3 2 9 Fire extinguisher 3-48
3 2 10 Windscreen wiper 3-49
3 2 11 Lighting 3-51
3 2 12 Heater and air conditioner 3-52
3 2 13 Additional standstill heater (option) 3-55
3-57
3 3 Setting the machine into operation 3-59
3 3 1 Starting / stopping the machine 3-59
3 3 2 Starting the engine 3-62
3 3 3 Speed adjustment and operating modes 3-63
3 3 4 Notes after starting the engine 3-65
3 3 5 Warm-up phase for Diesel engine and hydraulic circuit 3-65
3 3 6 Switching the Diesel engine off 3-66
3 3 7 Automatic motorstop after low idle (option) 3-67
3 3 8 Starting aids 3-68
Operating manual
R 926 Classic / 11123004
MJFCIFSS
copyright by
3 3 9 Jump start procedure 3-70
3 4 Working with the machine 3-70
3 4 1 Low idle automatic 3-70
3 4 2 Travel functions 3-71
3 4 3 Travel warning device (option) 3-75
3 4 4 Rotating and braking the uppercarriage 3-76
3 4 5 Working position 3-78
3 4 6 Working attachment control 3-79
3 4 7 Lowering the working attachment with the engine shut down 3-81
3 4 8 Rotating, tilting, locking and unlocking a working tool 3-82
3 4 9 Control of the swivel rotator (option) 3-84
3 4 10 Lifting magnet control system (optional equipment) 3-85
3 4 11 Control of additional attachments via the additional pedals 3-86
3 4 12 AHS11 proportional control (option) 3-88
3 4 13 Commutation of control for an additional attachment (option) 3-89
3 4 14 Special control system of the joysticks 3-91
3 4 15 Oil flow reduction for long working attachment (option) 3-93
3 4 16 Cut-off of attachment movements (option) 3-94
3 4 17 Use of the excavator for lifting loads overhead 3-96
3 4 18 Overload warning system (option) 3-97
3 5 Operating the machine in emergency mode 3-99
3 5 1 Description of the emergency mode 3-99
3 5 2 Control board E52 for emergency mode 3-99
3 6 Recovering, towing the machine 3-102
3 6 1 Prerequisites 3-102
3 6 2 Process recommendations 3-102
3 6 3 Other recommendations 3-104
3 7 Installation and removal of attachment parts 3-105
3 7 1 Attaching and dismounting the bucket 3-105
3 7 2 Attaching and dismounting the bucket with improved sealing 3-108
3 7 3 Attaching and dismounting the grab on stick 3-110
3 7 4 Attaching and dismounting the grab on the industrial stanchion 3-113
3 7 5 Attaching and dismounting the stick to the boom 3-115
3 7 6 Mechanical quick-change adapter (option) 3-117
3 7 7 Hydraulic quick-change adapter (option) 3-121
system (option) 3-128
3 8 Working methods 3-130
3 8 1 Minimum impact working methods for your machine 3-130
3 8 2 Preparatory activities 3-131
3 8 3 Using a backhoe bucket 3-132
3 8 4 Loading a transport vehicle 3-133
3 8 5 Skimming 3-134
3 8 6 Using a clamshell bucket (earthmoving attachment) 3-135
3 8 7 Using a multiple tine grapple (industrial attachment) 3-137
3 8 8 Using an hydraulic hammer 3-138
3 8 9 Working with large and heavy attachments 3-139
3 9 Transport 3-140
3 9 1 Driving the machine onto the trailer 3-140
3 9 2 Lifting the machine with a crane 3-142
3 9 3 Secure the machine 3-143
4 Troubleshooting 4-1
4 1 Error code list 4-2
4 2 Faults and remedies 4-9
4 2 1 Diesel engine and fuel system 4-9
4 2 2 Hydraulic system 4-10
4 2 3 Transmission 4-11
4 2 4 Electrical system 4-11
Operating manual
R 926 Classic / 11123004
MJFCIFSS
copyright by
4 2 5 Work equipment 4-12
4 2 6 Heating/air-conditioning system 4-12
4 3 Fuses and relays 4-13
4 3 1 Fuse box E50 4-13
4 3 2 A1010 Plate 4-14
4 3 3 A1001 Plate 4-16
4 3 4 Main fuses 4-17
5 Maintenance 5-1
5 1 Maintenance access doors 5-1
5 1 1 Overview of access doors 5-1
5 1 2 Door lock 5-2
5 1 3 Engine hood lock 5-3
5 2 Cleaning machine 5-3
5 3 Care for rubber components 5-4
5 4 Lubricants and fluids 5-4
5 4 1 General information 5-4
5 4 2 Filling quantities and lubricating chart 5-5
5 5 Lubricants and fluids specification 5-8
5 5 1 Diesel fuels 5-8
5 5 2 Lubricating oil for the diesel engine 5-9
5 5 3 Coolants for diesel engine 5-11
5 5 4 Hydraulic oil 5-14
5 5 5 Lubricants for gearboxes 5-20
5 5 6 Grease 5-21
5 5 7 Lubricants and care products for electrical and mechanical components 5-22
5 6 Diesel engine 5-22
5 6 1 Checking the oil level in the diesel engine 5-22
5 6 2 Changing the diesel engine oil 5-23
5 6 3 Belt for the A/C compressor and alternator installation 5-24
5 6 4 Vibration damper 5-25
5 6 5 Checking mounting screws 5-26
5 6 6 Oil separator 5-27
5 6 7 Heater flange 5-28
5 6 8 Checking and adjustment of valve clearance 5-28
5 7 Cooling system 5-31
5 7 1 Checking and cleaning the cooling system 5-31
5 7 2 Checking the coolant level 5-31
5 7 3 Changing the coolant 5-32
5 7 4 Check of the coolant and adjustment of the mixing ratio 5-35
5 8 Fuel system 5-39
5 8 1 Refuelling 5-39
5 8 2 Electrical refuelling pump (optional extra) 5-40
5 8 3 Draining the fuel tank 5-42
5 8 4 Emptying and cleaning the fuel tank 5-43
5 8 5 Draining the fuel prefilter 5-43
5 8 6 Changing fuel filter cartridges 5-44
5 8 7 Bleeding the fuel system 5-46
5 9 Dry air filter 5-49
5 9 1 Changing the main element 5-50
5 9 2 Changing the safety element 5-51
5 9 3 Monitoring the filtered air line 5-52
5 10 Hydraulic system 5-52
5 10 1 Depressurizing the hydraulic system 5-52
5 10 2 Checking the oil level, emptying and refilling the hydraulic tank 5-54
5 10 3 Return-line filter 5-56
5 10 4 Leak oil filter 5-58
5 10 5 Control oil filter 5-59
Operating manual
R 926 Classic / 11123004
MJFCIFSS
copyright by
5 10 6 Control circuit 5-60
5 10 7 Bleeding the hydraulic pumps 5-60
5 10 8 Removing the intake hose to the pumps 5-61
5 10 9 Bleeding the hydraulic cylinders 5-62
5 10 10 Replacement of the vent filter on the hydraulic tank 5-64
5 10 11 Bypass oil filter for hydraulic system (option) 5-64
5 10 12 Return oil filter for hydraulic hammer (option) 5-66
5 10 13 Servicing the hydraulic cylinder 5-67
5 10 14 Replacing hydraulic hoses 5-68
5 11 Oil changes on components 5-69
5 11 1 General information 5-69
5 11 2 Swing gear – Oil level check and oil change 5-70
5 11 3 Splitterbox – Oil change 5-71
5 11 4 Travel gear oil change 5-72
5 12 The track components 5-73
5 12 1 Checking the mounting screws of the track components 5-73
5 12 2 Checking the chain tension 5-74
5 12 3 Tighten the chain 5-75
5 12 4 Loose the chain 5-75
5 12 5 Cleaning the track components 5-76
5 13 Electrical system 5-77
5 13 1 Notes on the electrical system 5-77
5 13 2 Main battery switch 5-77
5 13 3 Battery care 5-78
5 13 4 Slip ring assembly (optional extra) 5-79
5 14 Heating and air-conditioning system 5-80
5 14 1 Recirculated and fresh air filters 5-80
5 14 2 Heating system 5-81
5 14 3 Air-conditioning system 5-82
5 15 Manual greasing of the machine 5-84
5 15 1 Lubrication of the slewing ring 5-84
5 15 2 Lubrication of the attachment 5-84
5 15 3 Greasing the grab (optional extra) 5-85
5 16 Automatic greasing (option) 5-85
5 16 1 Centralized lubrication system 5-85
5 16 2 Operation of the full automatic system 5-87
5 16 3 Emergency lubrication with defective lubrication system 5-88
5 16 4 To refill a grease container 5-89
5 16 5 Changes in the lubrication circuit 5-90
5 17 Quick-change systems 5-90
5 17 1 Greasing the mechanical quick-change adapter (option) 5-90
5 17 2 Hydraulic quick-change adapter (option) 5-91
5 17 3 LIKUFIX (option) 5-92
5 17 4 Checking and maintenance of quick change coupler 5-93
5 18 Check mounting bolts for tightness 5-95
5 18 1 Mounting bolts of the counterweight 5-96
5 18 2 Mounting screws of the swing ring 5-96
5 18 3 Mounting screws of the hydraulic oil and fuel tank 5-97
5 18 4 Mounting screws of the swing gear and motor 5-97
5 19 Drive unit brakes and swing gear brakes 5-97
5 20 General maintenance points 5-98
5 20 1 Replacing working parts 5-98
5 20 2 Checking or replacing the teeth on the bucket 5-98
5 20 3 Welding work on the machine 5-100
5 21 Control and maintenance chart 5-101
VIDEO PREVIEW OF THE MANUAL:
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