Liebherr P 974 C 449 Hydraulic Excavator Operating Instruction Manual SN 30723 – PDF DOWNLOAD

Description

Liebherr P 974 C 449 Hydraulic Excavator Operating Instruction Manual SN 30723 – PDF DOWNLOAD

FILE DETAILS:

Liebherr P 974 C 449 Hydraulic Excavator Operating Instruction Manual SN 30723 – PDF DOWNLOAD

Language : English
Pages : 345
Downloadable : Yes
File Type : PDF

DESCRIPTION:

Liebherr P 974 C 449 Hydraulic Excavator Operating Instruction Manual SN 30723 – PDF DOWNLOAD

Product identification
Manufacturer: Liebherr-France SAS
Type: P 974 C
Type no.: 449

Introduction:

• This operating manual has been specifically devised 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 scope of delivery of the machine. Ensure that a copy is at all times 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.

• 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 best practice 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.

Warranty and liability:

• Due to the range of products (e.g. fuels, lubricants, tool attachments, spare parts) available from other manufacturers, LIEBHERR is not in a position to assess the compatibility of these products with its own machines. This also applies in relation to possible effects that third-party products have on LIEBHERR products and vice versa.
• It is therefore the responsibility of the machine owner to assess whether third-party products can be safely used in conjunction with the LIEBHERR machine. LIEBHERR shall not be liable for damage to or downtimes of LIEBHERR machine caused by the use a third-party products. Such damage is not covered by the LIEBHERR warranty.
• LIEBHERR shall not be liable for damage caused by improper operation, insufficient maintenance or non-compliance with safety instructions.

Amendments, general terms and conditions, copyright:

• We reserve the right to modify our products and amend the instructions in this operating manual without prior notice.
• The reproduction or publication of the content of this operating manual (including figures) is prohibited. LIEBHERR reserves all rights in this operating manual, including copyright.
• The warranty and liability clauses of the general business terms and conditions of LIEBHERR apply.

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Liebherr P 974 C 449 Hydraulic Excavator Operating Instruction Manual SN 30723 – 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 industrial attachment 1-2
1 1 3 Uppercarriage 1-3
1 1 4 Elastical suspension 1-4
1 2 Vibration emissions 1-4
1 3 Sound emission 1-5
1 4 Technical data 1-5
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 2-13
2 5 Signs on the machine 2-19
2 5 1 Introduction 2-19
2 5 2 Arrangement of signs 2-20
2 5 3 Explanation of signs 2-21
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 1 Controls in the op 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) 3-23
3 1 7 Controls on side control desks 3-38
3 1 8 Controls and instrumentation for optional equipment 3-39
3 1 9 Display for LIEBHERR particle filter (option) 3-44
3 2 Access and equipment of the cab 3-46
3 2 1 Entering or leaving the cab 3-46
3 2 2 The safety lever 3-48
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
dow 3-55
3 2 8 Interior lighting 3-55
3 2 9 Fire extinguisher 3-55
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
3 3 9 Starting aids 3-75
Operating instructions
P 974 C / 10069856
MJFCIFSS
copyright by
3 3 10 Jump start procedure 3-77
3 4 Working with the machine 3-77
3 4 1 The uppercarriage swing movements 3-77
3 4 2 Working position 3-80
3 4 3 Working attachment control 3-80
3 4 4 Lowering the working attachment with the engine shut down 3-83
3 4 5 Rotating, tilting, locking and unlocking a working tool 3-83
3 4 6 Lifting magnet control system (optional equipment) 3-85
3 4 7 Control of additional attachments via the additional pedals 3-86
3 4 8 Commutation of control for an additional attachment (option) 3-89
3 4 9 Cut-off of attachment movements (option) 3-91
3 4 10 Use of the excavator for lifting loads overhead 3-93
3 4 11 Overload warning system (option) 3-94
3 4 12 Adjustable hydraulic cab (option) 3-96
3 5 Operating the excavator in safety modes 3-99
3 5 1 Board E52 for safety mode of Diesel engine & servo control 3-99
3 5 2 Safety operation of the main working pumps 3-102
3 5 3 Emergency attachment lowering with defective servo circuit 3-103
3 5 4 Emergency supply of the boom cylinders (option) 3-104
3 6 Attaching and dismounting equipment parts 3-107
3 6 1 Removal and installation of a bucket 3-107
3 6 2 Attaching and dismounting the bucket with improved sealing 3-109
3 6 3 Attaching and dismounting the grab on stick 3-111
3 6 4 Attaching and dismounting the grab on the industrial stanchion 3-114
3 6 5 Attaching and dismounting the stick to the boom 3-116
3 6 6 Mechanical quick-change adapter (option) 3-118
3 6 7 Hydraulic quick-change adapter (option) 3-122
system (option) 3-129
3 7 General working methods 3-132
3 7 1 Minimum impact working methods for your machine 3-132
3 7 2 Preparatory activities 3-132
3 7 3 Using a backhoe bucket 3-133
3 7 4 Loading a transport vehicle 3-135
3 7 5 Skimming 3-135
3 7 6 Using a clamshell bucket (earthmoving attachment) 3-136
3 7 7 Using a multiple tine grapple (industrial attachment) 3-139
3 7 8 Using an hydraulic hammer 3-140
3 8 Installing and removing the counterweight 3-141
3 8 1 Installing the lifting accessories on the counterweight 3-141
3 8 2 Removing the counterweight 3-143
3 8 3 Installing the counterweight 3-143
3 9 Installing and removing elastic bearing in Diesel excavator 3-144
3 9 1 Safety instructions for the installation and removal of the elastic bearing 3-144
3 9 2 Installing elastic bearing 3-145
3 9 3 Reinstalling elastic bearing 3-146
3 10 Transport 3-149
3 10 1 Lifting the machine with a crane 3-149
3 10 2 Secure the machine 3-151
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
Operating instructions
P 974 C / 10069856
MJFCIFSS
copyright by
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 5-28
5 6 6 Heater flanges 5-28
5 6 7 Checking and adjustment of valve clearance 5-29
5 7 LIEBHERR particles filter (option) 5-31
5 7 1 Drain the condensation water 5-31
5 7 2 Water separator maintenance 5-31
5 8 Cooling system 5-32
5 8 1 Checking and cleaning the cooling system 5-32
5 8 2 Checking the coolant level 5-33
5 8 3 Changing the coolant 5-33
5 8 4 Checking coolant, adjusting mixing ratio 5-36
5 8 5 Reversible fan (option) 5-39
5 9 Fuel system 5-40
5 9 1 Refuelling 5-40
5 9 2 Electrical refuelling pump (optional extra) 5-41
5 9 3 Draining the fuel tank 5-44
5 9 4 Emptying and cleaning the fuel tank 5-44
5 9 5 Draining the fuel prefilter 5-45
5 9 6 Replacing the fuel filter elements 5-45
5 9 7 Bleeding the fuel system 5-48
5 10 Dry air filter 5-49
5 10 1 Changing the main element 5-51
5 10 2 Changing the safety element 5-52
5 10 3 Checking the intake air lines 5-52
5 11 Hydraulic system 5-52
5 11 1 Depressurizing the hydraulic system 5-53
5 11 2 Checking the oil level, emptying and refilling the hydraulic tank 5-54
5 11 3 Checking and cleaning the oil cooler system 5-57
5 11 4 Return filter 5-57
5 11 5 Servofilter 5-59
Operating instructions
P 974 C / 10069856
MJFCIFSS
copyright by
5 11 6 Replenishing oil filter in swing circuit 5-59
5 11 7 Servo control circuit 5-60
5 11 8 Air bleeding of the servo control chambers 5-60
5 11 9 Bleeding the hydraulic pumps 5-61
5 11 10 Bleeding the hydraulic cylinders 5-62
5 11 11 Removing the suction hose to the pumps 5-64
5 11 12 Breather filter on the hydraulic tank 5-65
5 11 13 Bypass oil filter for hydraulic system (option) 5-65
5 11 14 High pressure filters in working circuit 5-67
5 11 15 Servicing the hydraulic cylinder 5-68
5 11 16 Replacing hydraulic hoses 5-69
5 12 Oil changes on components 5-70
5 12 1 General information 5-70
5 12 2 Swing gear – Oil level check and oil change 5-70
5 12 3 Splitterbox – Oil change 5-71
5 13 24 V circuit 5-72
5 13 1 General checks on the 24 V electrical system 5-72
5 13 2 Batteries care 5-72
5 13 3 Batteries switch 5-73
5 13 4 Protection of the 24 V circuit during maintenance works 5-74
5 14 Heating/air-conditioning system 5-74
5 14 1 Recirculated and fresh air filters 5-74
5 14 2 Heating system 5-75
5 14 3 Air-conditioning system 5-76
5 15 Greasing the machine 5-78
5 15 1 The centralized lubrication system 5-78
5 15 2 Operation of the full automatic system 5-81
5 15 3 Emergency lubrication with defective lubrication system 5-82
5 15 4 To refill a grease container 5-83
5 15 5 Changes in the lubrication circuit 5-84
5 15 6 Greasing the grab (optional extra) 5-85
5 16 Quick-change systems 5-86
5 16 1 Greasing the mechanical quick-change adapter (option) 5-86
5 16 2 Hydraulic quick-change adapter (option) 5-86
5 16 3 LIKUFIX (option) 5-87
5 17 Check mounting bolts for tightness 5-88
5 17 1 Mounting bolts of the counterweight 5-89
5 17 2 Mounting screws of the swing ring 5-89
5 17 3 Mounting screws of the hydraulic oil and fuel tank 5-90
5 17 4 Mounting bolts of the swing gear and motor 5-90
5 17 5 Mounting bolts central piece to side frames (option “removable side frames”) 5-90
5 17 6 Fixing bolts of catwalks around the upperstructure 5-91
5 18 Drive unit brakes and swing gear brakes 5-91
5 19 General maintenance points 5-92
5 19 1 Replacing working parts 5-92
5 19 2 Checking or replacing the teeth on the bucket 5-92
5 19 3 Welding work on the machine 5-94
5 20 Maintenance chart 5-96

Contact us: [email protected]

PLEASE NOTE:

• This is the SAME exact manual used by your dealers to fix your vehicle.
• The same can be yours in the next 2-3 mins as you will be directed to the download page immediately after paying for the manual.
• Any queries / doubts regarding your purchase, please feel free to contact [email protected]

S.V