Liebherr R 9250 1357 Hydraulic Excavator Operating Manual 30616 – PDF DOWNLOAD

These operating instructions have been written for the machine operator and for the maintenance personnel of the machine.

They contain:

– The technical data.

– The safety requirements.

– The operating instructions.

–  The maintenance instructions.

The operating instructions are to be read and used carefully by all persons who carry out work with or on the machine before putting the machine into service for the first time and later, at regular intervals.

Work with or on the machine includes, for example:

The operating instructions allow the machine operator to familiarize themselves with the machine more easily and prevent malfunctions occurring due to improper operation. The observance of the operating and maintenance instructions by maintenance personnel:

The operating instructions belong with the machine for the entire lifetime of the machine. Place a copy in an easily reached position on the cab storage shelf. This copy must be replaced immediately if lost, damaged or unreadable.

The operating and maintenance instructions must be completed by information on current national regulations for accident prevention and protection. In addition to the operating instructions and legally binding regulations on accident prevention which apply in the user country and at point of use, authorized specialist rules for safe and correct working procedures are also to be observed.

These operating and maintenance instructions contain all the information required for operating and maintaining your machine.

1 Product description
1.1 Assembly overview
1.1.1 Machine and construction equipment
1.1.2 Upper carriage
1.1.3 Undercarriage
1.2 Vibration
1.3 EC Declaration of Conformity
1.4.1 Working technical data
1.4.2 Technical description

Safety instructions
2.1 Meaning of the symbols in this manual
2.3 Safety Instructions
2.4 Servicing the machine
2.5 Signs on the machine

Control and operation
3.1 Operating and control elements
3.1.1 Overview of the control cab
3.1.2 Arrangement of joystick
3.1.3 Keyboard
3.1.4 Control box
3.1.7 Monitoring cameras
3.2 Acceleration sensor monitoring above the cab
3.2.4 Adjusting of the auxiliary seat
3.2.7 Interior lighting
3.2.10 Field of view
3.2.11 Lighting
3.2.12 Heating and air-conditioning system
3.3.2 Jump start procedure
3.3.3 Emergency operations
3.3.4 Board E52 for safety mode of Diesel engine and servo control
3.3.5 Driving
3.4.1 Upper carriage swing movements
3.4.2 Working position
3.4.3 Joystick functions when setting up the machine
3.4.4 Lowering the work equipment when the engine is not running
3.5 General working methods
3.5.1 Minimum impact working methods for your machine
3.5.2 Preparatory activities
3.5.3 Positioning of the machine
3.5.4 Working with the backhoe bucket
3.6 Transport
3.6.1 Travelling procedures for mining machines
3.6.2 Excavator lifting and lashing operations

Malfunctions
4.1 Error code charts
4.1.4 CAN BUS
4.2 Faults and remedies
4.2.5 Heating/air-conditioning system
4.2.6 Work equipment
4.3 Fuses and relays
4.3.1 Power electrical box E1003
4.3.2 Cab connection box E1005
4.3.3 Heating/air conditioning electrical box E1006
Maintenance
5.1 Servicing the machine safely
5.2 Maintenance services
5.3 Maintenance anchor points
5.3.2 Use the anchor points
5.4 Lubricants and operating fluids
5.4.1 General information on changing lubricants and operating fluids
5.4.2 Lubrication chart
5.4.3 The service trap
5.4.4 Lubricant chart
5.4.5 Operating material chart
5.4.6 Service trap
5.5 Lubricating and operating material specifications
5.5.1 Lubricating oil for the Diesel engine
5 5 2 Fuel 5-26
5 5 3 Coolant 5-27
5 5 4 Hydraulic oil specifications 5-27
5 5 5 Swing and travel gear oils 5-33
5 5 8 Other lubricants 5-37
5 6 Condition monitoring with oil analysis 5-38
5 6 1 General information 5-38
Operating manual
5 6 3 Sample processing 5-45
5 7 Diesel engine 5-49
5 7 1 Check of engine oil level 5-49
5 7 2 Diesel engine oil change 5-50
5 7 3 Mounting screws 5-52
5 7 4 Elastic bedding 5-53
5 7 5 Belt for the 24 V alternator 5-54
5 8 Splitterbox 5-54
5 8 1 Splitterbox mounting screws 5-54
5 8 2 Elastic bedding 5-56
5 9 Cooling system 5-57
5 9 1 General information 5-57
5 9 2 Check the coolant level 5-59
5 9 3 Coolant antifreeze and anti-corrosion fluid 5-60
5 9 4 Change the coolant 5-60
5 9 5 Replace the coolant filters 5-61
5 10 Fuel system 5-63
5 10 2 Draining the fuel tank 5-65
5 10 3 Emptying and cleaning the fuel tank 5-66
5 10 4 Draining and changing fuel filter cartridges 5-68
5 11 Dry air filter 5-69
5 11 1 To change the primary filter element 5-70
5 11 2 Changing the safety element 5-71
5 11 3 To clean the air channels for the precleaner 5-72
5 11 4 Check the air intake system 5-72
5 12 Hydraulic system 5-73
5 12 1 Preparatory activities 5-73
5 12 2 Check the oil level in the hydraulic tank 5-74
5 12 3 Release the pressure from the hydraulic system 5-74
5 12 4 Drain and fill the hydraulic tank 5-75
5 12 5 Hydraulic oil coolers 5-76
5 12 6 Return, leak oil and filter 5-77
5 12 7 Piloting and replenishing oil filters 5-78
5 12 9 Servo oil circuit 5-81
5 12 11 Bleeding of hydraulic pumps 5-84
5 12 12 Bleeding the hydraulic cylinders 5-86
5 12 13 Oil cooler protection filters (optional) 5-87
5 12 14 Servicing the hydraulic cylinder 5-88
5 12 15 Replacement of the hydraulic hoses 5-89
5 12 16 Progressive criss-cross tightening procedure 5-92
5 13 Oil changes on components 5-93
5 13 1 General information

5 13 2 Swing gear – Oil change 5-94
5 13 3 Travel gear and Lifetime travel gear (optional) – Oil change 5-96
5 13 4 Swing gears and travel gears flushing 5-100
5 13 5 Splitterbox – oil change 5-101
5 14 Track components 5-103
5 14 1 Checking the track components mounting 5-103
5 14 2 Check the track tension 5-106
5 14 3 Increase the track tension 5-106
5 14 4 Dismounting the track chain 5-106
5 14 5 Clean the travel gear 5-108
5 15 Electrical system 5-109
5 15 1 Notes on the electrical system 5-109
copyright © Liebherr-Mining Equipment Colmar SAS 2020
R 9250 / 11211522
MJFCIFSS
Operating manual
5 15 4 Electrical components location 5-111
5 15 5 Electrical boxes and cab pressurization 5-112
5 16 Heating/air conditioning system 5-112
5 16 6 Maintenance of the heating/air conditioning system 5-116
5 17 Greasing the machine 5-119
5 17 1 Lubrication of attachment bearing points 5-119
5 18 Check mounting bolts for tightness 5-120
5 18 3 Mounting bolts of the fuel tank 5-123
5 18 4 Mounting bolts of the hydraulic tank 5-123
5 18 5 Frame mounting bolts 5-125
5 18 6 Mounting bolts of swing gear and swing motor 5-125
5 18 9 Mounting bolts of the cab elevation 5-128
5 18 10 Mounting bolts of side frames 5-128
5 19 Orientation and setting-up the machine 5-129
5 20 General maintenance points 5-129
5 20 1 Replacing working parts 5-129
5 21 Control and maintenance chart 5-130
5 21 1 General information 5-130
5 21 2 How to use the maintenance chart 5-131
5 21 3 Daily Maintenance Schedule – R9250 5-133
5 21 4 250 Hours Maintenance Schedule – R9250 5-139
5 21 5 500 Hours Maintenance Schedule – R9250 5-145
5 21 6 1000 Hours Maintenance Schedule – R9250 5-152
5 21 7 2000 Hours Maintenance Schedule – R9250 5-160
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