Liebherr R 9250 Hydraulic excavator Operating Manual 30616- PDF DOWNLOAD
FILE DETAILS:
Liebherr R 9250 Hydraulic excavator Operating Manual 30616- PDF DOWNLOAD
Language : English
Pages : 452
Downloadable : Yes
File Type : PDF
Size: 96.3 MB
DESCRIPTION:
Liebherr R 9250 Hydraulic excavator Operating Manual 30616- PDF DOWNLOAD
Product identification
Manufacturer: Liebherr-Mining Equipment Colmar SAS
Type: R 91250
Type no.: 1357
from serial number:30616
Preface
This operating manual has been written for the driver and for the maintenance personnel 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 operating manual must be carefully read before initial operation 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 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 and maintenance 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 and maintenance 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 correct operation.
This operating and maintenance manual contains all the information you need to operate and service your machine.
- Some illustrations in this 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 constantly make improvements to our machines, which means there may have been modifications to your machine that are not mentioned in this manual.
However, if you should require explanations or information, the Liebherr technical information and customer services departments will be happy to provide assistance.
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
Liebherr R 91250 Hydraulic excavator Operating Manual 30616 – 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 Uppercarriage . 1-3
1.1.3 Undercarriage . 1-4
1.2 Vibration emission . 1-4
1.3 EC Declaration of Conformity 1-6
1.4 Technical data . 1-7
1.4.1 Working technical data . 1-7
1.4.2 Technical description 1-7
2 Safety instructions . 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 . 2-15
2.5 Signs on the machine 2-22
2.5.1 Introduction . 2-22
2.5.2 Arrangement of signs . 2-24
2.5.3 Explanation of signs . 2-27
3 Control and operation . 3-1
3.1 Operating and control elements . 3-1
3.1.1 Overview of the control cab 3-1
3.1.2 Arrangement of joystick 3-3
3.1.3 Keyboard 3-4
3.1.4 Control board 3-8
3.1.5 Monitoring display 3-10
3.1.6 Main screen 3-12
3.1. 7 Monitoring cameras 3-32
3.2 The access and the outfit of the cab 3-34
3.2.1 Enter or leave the cab 3-35
3.2.2 Safety lever 3-38
3.2.3 Operator’s seat . 3-39
3.2.4 Adjusting of the auxiliary seat . 3-42
3.2.5 Sunshade . 3-43
3.2.6 Emergency exit. 3-44
3.2.7 Interior lightings 3-46
3.2.8 Fire extinguisher . 3-46
3.2.9 Windscreen wiper . 3-47
3.2.10 Field of view . 3-49
3.2.11 Lighting . 3-50
3.2.12 Heating and air-conditioning system 3-52
3.3 Setting the machine into operation 3-56
Working with the machine 3-75
3.4.1 Uppercarriage swing movements . 3-82
3.4.2 Working position . 3-84
3.4.3 Joystick functions when setting up the machine 3-84
3.4.4 Lowering the work equipment when the engine is not running 3-90
copyright© Liebherr-Mining Equipment Colmar SAS 2021
R 9250 / 11211522
MJFCIFSS
Operating manual
3.5 General working methods 3-90
3.5.1 Minimum impact working methods for your machine 3-90
3.5.2 Preparatory activities 3-91
3.5.3 Positioning of the machine . 3-92
3.5.4 Working with the backhoe bucket . 3-93
3.5.5 Working with the Shovel bucket . 3-95
3.6 Transport 3-98
3.6.1 Travelling procedures for mining machine 3-98
3.6.2 Excavator lifting and lashing operations . 3-101
4 Malfunctions . 4-1
4.1 Error code charts . 4-2
4.1.1 Sensors 4-2
4.1.2 Electronic components . 4-4
4.1.3 Regulating circuit 4-5
4.1.4 CAN BUS 4-5
4.1.5 Joysticks . 4-6
4.1.6 Error with warning symbols 4-6
4.1.7 Heating/ air conditioning system 4-8
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 4-10
4.2.4 Electrical system . 4-11
4.2.5 Heating/air-conditioning system . 4-11
4.2.6 Work equipment . 4-11
4.3 Fuses and relays 4-12
4.3.1 Power electrical box E1003 4-12
4.3.2 Cab connection box E1005 4-14
4.3.3 Heating/ air conditioning electrical box E1006 . 4-16
5 Maintenance . 5-1
5.1 Servicing the machine safely . 5-1
5.2 Maintenance access doors 5-7
5.2.1 Overview of access doors 5-7
5.3 Maintenance anchor points 5-13
5.3.1 Approved anchor points 5-14
5.3.2 Use the anchor points . 5-17
5.4 Lubricants and operating fluids 5-18
5.4.1 General information on changing lubricants and operating fluids . 5-18
5.4.2 Lubrication chart . 5-19
5.4.3 The service trap 5-20
5.4.4 Lubricant chart 5-22
5.4.5 Operating material chart . 5-24
5.4.6 Service trap 5-24
5.5 Lubricating and operating material specifications 5-26
5.5.1 Lubricating oil for the Diesel engine . 5-26
5.5.2 Fuel . 5-26 ~
5.5.3 Coolant . 5-26 C”II 5.5.4 Hydraulic oil specifications for LIEBHERR Mining excavators . 5-27 8–
5.5.5 Swing and travel gear oils 5-32 g
5.5.6 Splitterbox oil 5-34 :;:::;
5.5.7 Lubricating grease 5-35 ;
5.5.8 Other lubricants 5-37 c3
5.6 Condition monitoring with oil analysis 5-37 ~
5.6.1 General information 5-37
5.6.2 Oil sampling 5-38
Operating manual
5.6.3 Sample processing . 5-44
5. 7 Diesel engine . 5-48
5. 7 .1 Check of engine oil level 5-48
5.7.2 Diesel engine oil change 5-49
5.7.3 Mounting screws 5-51
5. 7.4 Elastic bedding . 5-52
5. 7.5 Belt for the 24 V alternator of the Diesel engine . 5-53
5.8 Splitterbox 5-53
5.8.1 Splitterbox mounting screws 5-53
5.8.2 Elastic bedding . 5-55
5.8.3 Breather filter 5-56
5.9 Cooling system 5-56
5.9.1 Check and clean the cooling system 5-56
5.9.2 Check the coolant level 5-58
5.9.3 Coolant antifreeze and anti-corrosion fluid . 5-59
5.9.4 Change the coolant 5-59
5.9.5 Replace the coolant filters 5-60
5.10 Fuel system . 5-62
5.10.1 Refuelling . 5-62
5.10.2 Draining the fuel tank . 5-64
5.10.3 Emptying and cleaning the fuel tank 5-66
5.10.4 Draining and changing fuel filter cartridges 5-67
5.11 Air pressure system . 5-68
5.11.1 Pressure regulator and compressor . 5-68
5.11.2 Air dryer 5-69
5.11.3 Air tanks . 5-71
5.12 Dry air filter 5-72
5.12.1 To change the primary filter element 5-73
5.12.2 Changing the safety element 5-74
5.12.3 To clean the air channels for the precleaner 5-75
5.12.4 Check the air intake system hoses elbows clamps . 5-75
5.13 Hydraulic system . 5-76
5.13.1 Preparatory activities 5-76
5.13.2 Check the oil level in the hydraulic tank . 5-77
5.13.3 Release the pressure from the hydraulic system . 5-77
5.13.4 Drain and fill the hydraulic tank 5-78
5.13.5 Hydraulic oil coolers . 5-79
5.13.6 Return leak oil and air filters 5-80
5.13. 7 Piloting and replenishing oil filters 5-81
5.13.8 High pressure filters in working circuit . . 5-83
5.13.9 Servo oil circuit . 5-84
5.13.10 Remove the intake hoses from the pumps . 5-86
5.13.11 Bleeding of hydraulic pumps 5-87
5.13.12 Bleeding the hydraulic cylinders . 5-89
5.13.13 Oil cooler protection filters (optional) 5-90
5.13.14 Servicing the hydraulic cylinder 5-91
5.13.15 Replacement of the hydraulic hoses 5-92
5.13.16 Progressive criss-cross tightening procedure . 5-95
5.14 Oil changes on components 5-96
5.14.1 General information 5-96
5.14.2 Swing gear – Oil change 5-97
5.14.3 Travel gear and Lifetime travel gear (optional) – Oil change 5-99
5.14.4 Swing gears and travel gears flushing . 5-103
5.14.5 Splitterbox- oil change 5-104
5.15 Track components . 5-106
5.15.1 Checking the track components mounting . 5-106
5.15.2 Check the track tension 5-109
5.15.3 Increase the track tension 5-109
copyright© Liebherr-Mining Equipment Colmar SAS 2021
R 9250 / 11211522
MJFCIFSS
Operating manual
5.15.4 Decrease the track tension . 5-110
5.15.5 Clean the travel gear 5-111
5.16 Electrical system 5-112
5.16.1 Notes on the electrical system 5-112
5.16.2 Main battery switch . 5-112
5.16.3 Battery care 5-113
5.16.4 Electrical components location . 5-114
5.16.5 Electrical boxes and cab pressurization . 5-115
5.17 Heating/air conditioning system . 5-115
5.17 .1 Heating system . 5-117
5.17.2 Air-conditioning system 5-118
5.17.3 Dual air-conditioning system (optional) . 5-121
5.17.4 Additional maintenance operations 5-121
5.18 Greasing the machine 5-122
5.18.1 Lubrication of attachment bearing points 5-122
5.19 Check mounting bolts for tightness 5-123
5.19.1 Counterweight mounting bolts 5-124
5.19.2 Threaded studs of the swing ring . 5-125
5.19.3 Mounting bolts of the fuel tank 5-126
5.19.4 Mounting bolts of the hydraulic tank . 5-127
5.19.5 Frame mounting bolts . 5-128
5.19.6 Mounting bolts of swing gear and swing motor 5-128
5.19. 7 Mounting bolts of hydraulic pumps . 5-129
5.19.8 Mounting bolts of the cab . 5-130
5.19.9 Mounting bolts of the cab elevation 5-131
5.19.10 Mounting bolts of side frames . 5-131
5.20 Drive unit brakes and swing gear brakes . 5-132
5.21 General maintenance points 5-132
5.21.1 Replacing working parts . 5-132
5.21.2 Welding work on the machine 5-132
5.22 Control and maintenance chart 5-133
5.22.1 General information 5-133
5.22.2 How to use the maintenance chart . 5-134
5.22.3 Daily Maintenance Schedule – R9250 5-136
5.22.4 250 Hours Maintenance Schedule – R9250 5-142
5.22.5 500 Hours Maintenance Schedule – R9250 5-148
5.22.6 1000 Hours Maintenance Schedule – R9250 5-155
5.22.7 2000 Hours Maintenance Schedule – R9250 5-163
6 Appendix . 6-1
6.1 Visual check of the hydraulic hoses . 6-1
6.1.1 Preface . 6-1
6.1.2 General information 6-2
6.1.3 Components functions 6-4
6.1.4 Recommendations for hose assembly maintenance 6-5
6.2 Centralized lubrication system . 6-9
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