Liebherr Hydraulic excavator R 974 C Operating manual 30724 – PDF DOWNLOAD
FILE DETAILS:
Liebherr Hydraulic excavator R 974 C Operating manual 30724 – PDF DOWNLOAD
Language : English
Pages : 395
Downloadable : Yes
File Type : PDF
Size: 18.4 MB
DESCRIPTION:
Liebherr Hydraulic excavator R 974 C Operating manual 30724 – PDF DOWNLOAD
Manufacturer: Liebherr-France SAS
Type: R 974 C
Type no.: 449 / 1010 / 1011 / 1057 / 1058 / 1084 / 1124 / 1137 /
1146 / 1152 / 1365 / 1371 / 1417 / 1420
Conformity: CE
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 974 C Operating manual 30724 – PDF DOWNLOAD
1 Product description 1-1
1 1 Assembly – overview 1-1
1 1 1 Machine with backhoe attachment 1-1
1 1 2 Machine with shovel attachment 1-2
1 1 3 Uppercarriage 1-2
1 1 4 Undercarriage 1-3
1 2 Vibration emissions 1-4
1 3 Sound emission 1-5
1 4 EC Declaration of Conformity 1-6
1 5 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 Arrangement of signs 2-21
2 5 3 Explanation of signs 2-22
2 5 4 Nameplates on the machine 2-29
3 Control and operation 3-1
3 1 Operating and control elements 3-1
3 1 1 Controls in the operator’s cab 3-1
3 1 2 The joysticks 3-3
3 1 3 Control unit 3-7
3 1 4 Monitoring display 3-12
3 1 5 Main screen 3-15
3 1 6 Information provided in the menus (Software Version V6 0) 3-24
3 1 7 Controls on side control desks 3-38
3 1 8 Controls and instrumentation for optional equipment 3-40
3 1 9 Display for LIEBHERR particle filter (option) 3-45
3 2 Access and equipment of the cab 3-47
3 2 1 Entering or leaving the cab 3-47
3 2 2 Safety lever 3-49
3 2 3 Operator seat 3-49
3 2 4 Putting on and releasing the safety belt 3-53
3 2 5 Windscreen 3-53
3 2 6 Sunshade 3-54
3 2 7 Emergency exit – rear window 3-55
3 2 8 Interior lights 3-55
3 2 9 Fire extinguisher 3-56
3 2 10 The heater and air conditioner 3-56
3 2 11 Additional standstill heater (option) 3-62
3 3 Setting the machine into operation 3-67
3 3 1 Before starting the machine 3-67
3 3 2 Turning on the electrical system 3-68
3 3 3 Starting the Diesel engine 3-69
3 3 4 Speed adjustment and operating modes 3-70
3 3 5 Notes after starting the engine 3-72
3 3 6 Warm-up phase for Diesel engine and hydraulic circuit 3-72
3 3 7 Switching the Diesel engine off 3-73
3 3 8 Automatic motorstop after low idle (option) 3-75
Operating manual
R 974 C / 10069856
MJFCIFSS
copyright by
3 3 9 Starting aids 3-75
3 3 10 Jump start procedure 3-77
3 3 11 Immobilizer with electronic ignition key (option) 3-77
3 4 Working with the machine 3-80
3 4 1 The travel movements 3-80
3 4 2 Travel warning device (option) 3-84
3 4 3 The uppercarriage swing movements 3-85
3 4 4 Working position 3-88
3 4 5 Working attachment control 3-88
3 4 6 Lowering the working attachment with the engine shut down 3-90
3 4 7 Rotating, tilting, locking and unlocking a working tool 3-91
3 4 8 Lifting magnet control system (optional equipment) 3-92
3 4 9 Control of additional attachments via the additional pedals 3-93
3 4 10 Commutation of control for an additional attachment (option) 3-96
3 4 11 Cut-off of attachment movements (option) 3-98
3 4 12 Use of the excavator for lifting loads overhead 3-100
3 4 13 Overload warning system (option) 3-101
3 4 14 Adjustable hydraulic cab (option) 3-103
3 5 Operating the excavator in safety modes 3-106
3 5 1 Board E52 for safety mode of Diesel engine & servo control 3-106
3 5 2 Safety operation of the main working pumps 3-109
3 5 3 Emergency attachment lowering with defective servo circuit 3-110
3 5 4 Emergency supply of the boom cylinders (option) 3-111
3 6 Recovering, towing the machine 3-113
3 6 1 Towing with the machine, emergency towing of the machine 3-113
3 7 Installation and removal of attachment parts 3-117
3 7 1 Removal and installation of a bucket 3-117
3 7 2 Attaching and dismounting the bucket with improved sealing 3-119
3 7 3 Attaching and dismounting the grab on stick 3-121
3 7 4 Attaching and dismounting the grab on the industrial stanchion 3-124
3 7 5 Attaching and dismounting the stick to the boom 3-126
3 7 6 Mechanical quick-change adapter (option) 3-128
3 7 7 Hydraulic quick-change adapter (option) 3-132
3 7 8 LIKUFIX – hydraulic coupling system (option) 3-139
3 8 Working methods 3-142
3 8 1 Minimum impact working methods for your machine 3-142
3 8 2 Preparatory activities 3-142
3 8 3 Using a backhoe bucket 3-143
3 8 4 Loading a transport vehicle 3-145
3 8 5 Skimming 3-145
3 8 6 Using a clamshell bucket (earthmoving attachment) 3-146
3 8 7 Using a multiple tine grapple (industrial attachment) 3-149
3 8 8 Using an hydraulic hammer 3-150
3 8 9 Working with a bottom dump bucket 3-151
3 9 Modification of the undercarriage width (option) 3-153
3 9 1 Mechanical modification of the undercarriage width 3-153
3 10 Installing and removing the counterweight 3-158
3 10 1 Installing the lifting accessories on the counterweight 3-158
3 10 2 Removing the counterweight 3-160
3 10 3 Installing the counterweight 3-160
3 11 Hydraulic removable counterweight 3-161
3 11 1 Safety guidelines for lifting and lowering the counterweight 3-161
3 11 2 Removal and lifting up of counterweight 3-162
3 12 Transport 3-167
3 12 1 Driving the machine onto the trailer 3-167
3 12 2 Lifting the machine with a crane 3-169
3 12 3 Lashing the machine 3-171
Operating manual
R 974 C / 10069856
MJFCIFSS
copyright by
4 Troubleshooting 4-1
4 1 Error code list 4-2
4 2 Faults and remedies 4-14
4 2 1 Diesel engine and fuel system 4-14
4 2 2 Hydraulic system 4-15
4 2 3 Transmission 4-16
4 2 4 Electrical system 4-17
4 2 5 Work equipment 4-17
4 2 6 Heating/air-conditioning system 4-18
4 2 7 LIEBHERR particles filter system 4-19
4 3 Fuses and relays 4-21
4 3 1 Electrical power box E50 with main fuses 4-21
4 3 2 Control plate A1010 with fuses 4-22
5 Maintenance 5-1
5 1 Maintenance access doors 5-1
5 1 1 Overview of access doors 5-1
5 1 2 Door retaining rods 5-2
5 1 3 Opening, closing, locking the engine hood 21 5-3
5 2 Cleaning machine 5-4
5 3 Care for rubber components 5-4
5 4 Lubricants and fluids 5-5
5 4 1 General information 5-5
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 Replacing the engine oil and the engine oil filter elements 5-23
5 6 3 Polyvee belt for the airco compressor and alternator drive 5-25
5 6 4 Checking mounting bolts 5-27
5 6 5 Oil separator 5-27
5 6 6 Heater flanges 5-29
5 6 7 Checking and adjustment of valve clearance 5-30
5 7 LIEBHERR particles filter (option) 5-32
5 7 1 Drain the condensation water 5-32
5 7 2 Water separator maintenance 5-32
5 8 Cooling system 5-33
5 8 1 Checking and cleaning the cooling system 5-33
5 8 2 Checking the coolant level 5-34
5 8 3 Changing the coolant 5-34
5 8 4 Check of the coolant and adjustment of the mixing ratio 5-37
5 8 5 Reversible fan (option) 5-40
5 9 Fuel system 5-41
5 9 1 Refuelling 5-41
5 9 2 Electrical refuelling pump (optional extra) 5-42
5 9 3 Draining the fuel tank 5-45
5 9 4 Emptying and cleaning the fuel tank 5-45
5 9 5 Draining the fuel prefilter 5-46
5 9 6 Replacing the fuel filter elements 5-46
5 9 7 Bleeding the fuel system 5-49
Operating manual
R 974 C / 10069856
MJFCIFSS
copyright by
5 10 Dry air filter 5-50
5 10 1 Changing the main element 5-52
5 10 2 Changing the safety element 5-53
5 10 3 Checking the intake air lines 5-53
5 11 Hydraulic system 5-53
5 11 1 Depressurizing the hydraulic system 5-54
5 11 2 Checking the oil level, emptying and refilling the hydraulic tank 5-55
5 11 3 Checking and cleaning the oil cooler system 5-58
5 11 4 Return filter 5-58
5 11 5 Servofilter 5-60
5 11 6 Replenishing oil filter in swing circuit 5-60
5 11 7 Servo control circuit 5-61
5 11 8 Air bleeding of the servo control chambers 5-61
5 11 9 Bleeding the hydraulic pumps 5-62
5 11 10 Bleeding the hydraulic cylinders 5-63
5 11 11 Removing the suction hose to the pumps 5-65
5 11 12 Breather filter on the hydraulic tank 5-66
5 11 13 Bypass oil filter for hydraulic system (option) 5-66
5 11 14 High pressure filters in working circuit 5-68
5 11 15 Servicing the hydraulic cylinder 5-69
5 11 16 Replacing hydraulic hoses 5-70
5 12 Oil changes on components 5-71
5 12 1 General information 5-71
5 12 2 Swing gear – Oil level check and oil change 5-72
5 12 3 Travel gear oil change 5-72
5 12 4 Splitterbox – Oil change 5-74
5 13 The track components 5-74
5 13 1 Checking the mounting screws of the track components 5-75
5 13 2 Checking the track chains tension 5-75
5 13 3 Retensioning the track 5-77
5 13 4 Releasing the track chain tension 5-77
5 13 5 Cleaning the track components 5-78
5 14 24 V circuit 5-79
5 14 1 General checks on the 24 V electrical system 5-79
5 14 2 Batteries care 5-80
5 14 3 Batteries switch 5-81
5 14 4 Protection of the 24 V circuit during maintenance works 5-81
5 15 Heating/air-conditioning system 5-82
5 15 1 Recirculated and fresh air filters 5-82
5 15 2 Heating system 5-83
5 15 3 Air-conditioning system 5-84
5 16 Greasing the machine 5-86
5 16 1 The centralized lubrication system 5-86
5 16 2 Operation of the full automatic system 5-88
5 16 3 Emergency lubrication with defective lubrication system 5-90
5 16 4 To refill a grease container 5-90
5 16 5 Changes in the lubrication circuit 5-92
5 16 6 Greasing the grab (optional extra) 5-92
5 17 Quick-change systems 5-93
5 17 1 Greasing the mechanical quick-change adapter (option) 5-93
5 17 2 Hydraulic quick-change adapter (option) 5-93
5 17 3 LIKUFIX (option) 5-95
5 18 Check mounting bolts for tightness 5-96
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 bolts of the swing gear and motor 5-97
5 18 5 Mounting bolts central piece to side frames (option “removable side frames”) 5-98
Operating manual
R 974 C / 10069856
MJFCIFSS
copyright by
5 18 6 Fixing bolts of catwalks around the upperstructure 5-98
5 19 Drive unit brakes and swing gear brakes 5-99
5 20 General maintenance points 5-99
5 20 1 Replacing working parts 5-99
5 20 2 Checking or replacing the teeth on the bucket 5-99
5 20 3 Welding work on the machine 5-101
5 21 Maintenance chart 5-103
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.
S.M