LFR/en/edition: 12 / 2010
Document identification
ORIGINAL OPERATING MANUAL
Order number: 10360022
edition: 12 / 2010
Valid for: R 924 Compact Tier III from serial number 27686
Author: LFR - Technical documentation department
Product identification
Manufacturer: LIEBHERR France S.A.S.
Type: R 924 Compact Tier III
Type no.: 1055 / 1056
Conformity: CE
Address
Liebherr France S.A.S.
2 avenue Joseph Rey
B.P 90287 F - 68005 Colmar Cedex
en
Operating manual
Hydraulic excavator
R 924 Compact Tier III
from serial number 27686
Operating manual
R 924 Compact Tier III / 10360022
MJFCIFSS
LFR/en/edition: 12 / 2010
Machine data
Please fill in the following data when you receive your machine.
This will also be of use to you when ordering replacement parts.
Vehicle ident. number:
WLHZ . . . . . ZK . . . . . .
Construction year:
. . . .
First start-up date:
. . / . . / . .
Operating instructions
R 934 C with telescopic equipment /
10070206 Telescopic
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MJFCIFSS
LFR/en/Edition: 11 / 2010
copyright by
Preface
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:
– Operation including setting up and equipping, rectifying malfunctions during the
course of work, resolving production dropouts, care, disposal of operating and
process materials.
– Maintenance, including maintenance, inspection and repair work.
– Transportation or loading the machine.
The operating instructions allow the machine operator to familiarize himself with the
machine more easily and prevent malfunctions occurring due to improper operation.
The observance of the operating and maintenance instructions by maintenance per-
sonnel:
– increases reliability in use.
– extends the service life of your machine.
– reduces repair costs and downtime.
The operating instructions belong with the machine. Place a copy in an easily
reached position on the cab storage shelf.
The operating and maintenance instructions should also incorporate 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.
– Some illustrations in these operating instructions may depict details and working
devices which differ to your machine.
– In some illustrations, protective devices and covers have been removed in the in-
terests of better presentation.
– Improvements, which are always being incorporated into our machines, may re-
sult in changes to your machine which are not yet indicated in these operating in-
structions.
However, should you require any further explanations or information, LIEBHERR's
technical documentation, sales school and customer service departments are avail-
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Operating instructions
R 934 C with telescopic equipment /
10070206 Telescopic
MJFCIFSS
LFR/en/Edition: 11 / 2010
copyright by
able for your convenience.
You will appreciate that LIEBHERR warranty claims made on the basis of improper
operation, unsatisfactory maintenance, use of unauthorized operating materials or
non-adherence to safety regulations cannot be recognized.
LIEBHERR will annul any and all obligations incurred by LIEBHERR and / or its deal-
erships, such as guarantee commitments, service contracts etc. without prior notice
in the event that replacement parts other than original LIEBHERR parts or parts pur-
chased from LIEBHERR are used for maintenance or repair work.
Modifications, conditions, copyright
We reserve the right to make modifications without prior notice in the course of tech-
nical developments.
The information and illustrations contained in these operating instructions may nei-
ther be copied and distributed, nor used for the purposes of competition. All rights
are expressly reserved in accordance with copyright laws.
The warranty and liability conditions of LIEBHERR’s general business conditions will
not be enlarged upon through the above information.
Operating manual
R 924 Compact Tier III / 10360022
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MJFCIFSS
LFR/en/edition: 12 / 2010
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 EC Declaration of Conformity ................................................................................................................ 1-8
1.5 Technical data ....................................................................................................................................... 1-8
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 Introduction............................................................................................................................. 2-20
2.5.2 Arrangement of signage ......................................................................................................... 2-21
2.5.3 Explanation of signage ........................................................................................................... 2-23
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 ............................................................................................................................... 3-8
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 Controls and instrumentation for optional equipments ........................................................... 3-36
3.1.7 Display for LIEBHERR particle filter (optional). ...................................................................... 3-40
3.2 The access and the outfit of the cab .................................................................................................... 3-41
3.2.1 Entering or leaving the cab..................................................................................................... 3-42
3.2.2 The safety lever ...................................................................................................................... 3-44
3.2.3 Operator’s seat ....................................................................................................................... 3-45
3.2.4 Windscreen ............................................................................................................................ 3-49
3.2.5 Sunshade ............................................................................................................................... 3-50
3.2.6 Emergency exit – rear window ............................................................................................... 3-50
3.2.7 Interior lighting ........................................................................................................................ 3-51
3.2.8 Fire extinguisher* ................................................................................................................... 3-51
3.2.9 Windscreen wiper ................................................................................................................... 3-52
3.2.10 Lighting ................................................................................................................................... 3-54
3.2.11 The heater and air conditioner ............................................................................................... 3-55
3.2.12 Additional standstill heater (Option) ....................................................................................... 3-60
3.3 Setting the machine into operation ...................................................................................................... 3-64
3.3.1 Starting / stopping the machine .............................................................................................. 3-66
3.3.2 Starting the engine ................................................................................................................. 3-68
3.3.3 Speed adjustment and operating modes................................................................................ 3-69
3.3.4 Notes after starting the engine ............................................................................................... 3-71
3.3.5 Warm-up phase for Diesel engine and hydraulic circuit ......................................................... 3-71
3.3.6 Switching the Diesel engine off .............................................................................................. 3-72
3.3.7 indicatorStarting aids .............................................................................................................. 3-73
3.3.8 Jump start procedure ............................................................................................................. 3-75
3.3.9 Anti-theft device with code key (option) .................................................................................. 3-76
3.3.10 Immobilizer with electronic ignition key (option) ..................................................................... 3-76
3.3.11 Travel functions ...................................................................................................................... 3-78
3.3.12 Drive warning device (optional extra) ..................................................................................... 3-82
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3.4 Operating the excavator in safety modes ............................................................................................ 3-83
3.4.1 Board E52 for safety mode of Diesel engine & servo control ................................................. 3-83
3.4.2 Safety operation of the main working pumps ......................................................................... 3-86
3.5 Recovering, towing the machine .......................................................................................................... 3-86
3.5.1 Pre-requisite ........................................................................................................................... 3-87
3.5.2 Process preconisations. ......................................................................................................... 3-87
3.5.3 Other preconisations. ............................................................................................................. 3-88
3.5.4 With clevis type eylet available............................................................................................... 3-88
3.6 Working with the machine .................................................................................................................... 3-90
3.6.1 Low idle automatic .................................................................................................................. 3-94
3.6.2 Automatic motorstop after low idle (in option)......................................................................... 3-95
3.6.3 The uppercarriage swing movements .................................................................................... 3-95
3.6.4 Working position ..................................................................................................................... 3-98
3.6.5 Working attachment control .................................................................................................... 3-99
3.6.6 Lowering the working attachment with the engine shut down .............................................. 3-101
3.6.7 Turning, rotating, bolting and unbolting the add-on unit ....................................................... 3-101
3.6.8 Control of the swivel rotator (option) ..................................................................................... 3-104
3.6.9 Lifting magnet control system (optional equipment) ............................................................. 3-105
3.6.10 Control of special equipments via the additional pedals ....................................................... 3-107
3.6.11 AHS11 proportional control (in option) ................................................................................. 3-110
3.6.12 Commutation of the controls for an additional user AHS (special equipment) ..................... 3-110
3.6.13 Special control system of the joysticks ................................................................................. 3-111
3.6.14 Dozer blade .......................................................................................................................... 3-113
3.6.15 Cut off by end switches of attachment movements (Option) ................................................ 3-114
3.6.16 Overload warning device (Option) ........................................................................................ 3-119
3.7 Attaching and dismounting equipment parts ...................................................................................... 3-121
3.7.1 Attaching and dismounting the bucket .................................................................................. 3-122
3.7.2 Attaching and dismounting the bucket with improved sealing .............................................. 3-125
3.7.3 Attaching and dismounting the grab on stick ........................................................................ 3-127
3.7.4 Attaching and dismounting the grab on stick ........................................................................ 3-130
3.7.5 Attaching and dismounting the grab on the industrial stanchion .......................................... 3-133
3.7.6 Attaching and dismounting the stick to the boom ................................................................. 3-135
3.7.7 Mechanical quick-change adapter (optional extra) ............................................................... 3-137
3.7.8 Hydraulic quick-change adapter (optional extra) .................................................................. 3-141
3.7.9 LIKUFIX – hydraulic coupling system (optional extra) .......................................................... 3-148
3.8 General working methods .................................................................................................................. 3-151
3.8.1 Minimum impact working methods for your machine............................................................ 3-151
3.8.2 Preparatory activities ............................................................................................................ 3-151
3.8.3 Using a backhoe bucket ....................................................................................................... 3-152
3.8.4 Loading a transport vehicle .................................................................................................. 3-154
3.8.5 Skimming .............................................................................................................................. 3-154
3.8.6 Using a clamshell bucket (earthmoving attachment) ............................................................ 3-155
3.8.7 Using a multiple tine grapple (industrial attachment) ............................................................ 3-157
3.8.8 Using an hydraulic hammer .................................................................................................. 3-158
3.9 Transport............................................................................................................................................ 3-160
3.9.1 Transporting the machine on a low loader ........................................................................... 3-161
3.9.2 Loading the machine with a crane ........................................................................................ 3-165
4 Malfunctions ................................................................................................................................................... 4-1
4.1 Error code charts ................................................................................................................................... 4-2
4.1.1 Machine Control system (BST) ................................................................................................. 4-2
4.1.2 Engine control system (PLD-CR).............................................................................................. 4-3
4.1.3 Keypad ..................................................................................................................................... 4-6
4.1.4 Display ...................................................................................................................................... 4-7
4.1.5 Coding error .............................................................................................................................. 4-7
4.1.6 Other errors .............................................................................................................................. 4-7
4.1.7 Error due to warning symbols in SY field .................................................................................. 4-8
4.2 Faults and remedies ............................................................................................................................ 4-10
Operating manual
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4.2.1 Diesel engine and fuel system ............................................................................................... 4-10
4.2.2 Hydraulic system .................................................................................................................... 4-11
4.2.3 Transmission .......................................................................................................................... 4-12
4.2.4 Electrical system .................................................................................................................... 4-12
4.2.5 Work equipment ..................................................................................................................... 4-13
4.2.6 Heating/air-conditioning system ............................................................................................. 4-13
4.2.7 LIEBHERR particles filter system ........................................................................................... 4-15
4.3 Fuses and relays ................................................................................................................................. 4-16
4.3.1 Fuse box E50 ......................................................................................................................... 4-16
4.3.2 A1010 Plate ............................................................................................................................ 4-18
4.3.3 A1001 Plate ............................................................................................................................ 4-20
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
5.2.2 Door lock .................................................................................................................................. 5-8
5.3 Lubricants and operating fluids .............................................................................................................. 5-9
5.3.1 General information on changing lubricants and operating fluids............................................. 5-9
5.3.2 Lubrication chart ..................................................................................................................... 5-10
5.3.3 Lubricant chart ........................................................................................................................ 5-12
5.3.4 Operating material chart ......................................................................................................... 5-13
5.4 Lubricants and fluids specification ....................................................................................................... 5-13
5.4.1 Diesel fuel ............................................................................................................................... 5-13
5.4.2 Lubricating oil for the Diesel engine ....................................................................................... 5-14
5.4.3 Coolant for the diesel engine.................................................................................................. 5-16
5.4.4 Hydraulic liquids ..................................................................................................................... 5-23
5.4.5 Lubricating grease and other lubricants ................................................................................. 5-27
5.5 Diesel engine ....................................................................................................................................... 5-28
5.5.1 Checking the oil level in the diesel engine ............................................................................. 5-28
5.5.2 Changing the diesel engine oil ............................................................................................... 5-29
5.5.3 Belt for the A/C compressor and alternator installation .......................................................... 5-30
5.5.4 Lubricating starter ring gear ................................................................................................... 5-31
5.5.5 Vibration damper .................................................................................................................... 5-32
5.5.6 Checking mounting screws .................................................................................................... 5-32
5.5.7 Oil separator ........................................................................................................................... 5-33
5.5.8 Heater flange .......................................................................................................................... 5-34
5.5.9 Checking and adjustment of valve clearance ......................................................................... 5-34
5.6 LIEBHERR particles filter (In option) ................................................................................................... 5-37
5.6.1 Drain the condensation water: ................................................................................................ 5-37
5.6.2 Water separator maintenance: ............................................................................................... 5-37
5.7 Cooling system .................................................................................................................................... 5-38
5.7.1 Checking and cleaning the cooling system ............................................................................ 5-38
5.7.2 Checking the coolant level ..................................................................................................... 5-39
5.7.3 Coolant antifreeze and anti-corrosion fluid ............................................................................. 5-39
5.7.4 Changing the coolant ............................................................................................................. 5-39
5.8 Fuel system ......................................................................................................................................... 5-43
5.8.1 Refuelling ............................................................................................................................... 5-44
5.8.2 Draining the fuel tank ............................................................................................................. 5-46
5.8.3 Emptying and cleaning the fuel tank ...................................................................................... 5-47
5.8.4 Draining the fuel prefilter ........................................................................................................ 5-48
5.8.5 Changing fuel filter cartridges ................................................................................................. 5-48
5.8.6 Bleeding the fuel system ........................................................................................................ 5-51
5.9 Dry air filter .......................................................................................................................................... 5-54
5.9.1 Changing the main element ................................................................................................... 5-55
5.9.2 Changing the safety element .................................................................................................. 5-56
5.9.3 Monitoring the filtered air line ................................................................................................. 5-57
5.10 Hydraulic system ................................................................................................................................. 5-57
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5.10.1 Preparatory activities .............................................................................................................. 5-58
5.10.2 Checking the oil level in the hydraulic tank ............................................................................. 5-58
5.10.3 Depressurizing the hydraulic system ...................................................................................... 5-59
5.10.4 Emptying and refilling the hydraulic tank ................................................................................ 5-60
5.10.5 Return-line filter ...................................................................................................................... 5-61
5.10.6 Leckage oil return filter ........................................................................................................... 5-62
5.10.7 Control oil filter ........................................................................................................................ 5-64
5.10.8 Control circuit .......................................................................................................................... 5-64
5.10.9 Bleeding the hydraulic pump .................................................................................................. 5-65
5.10.10 Bleeding the hydraulic cylinders ............................................................................................. 5-65
5.10.11 Unscrew the intake hose to the pump .................................................................................... 5-66
5.10.12 Vent filter on the hydraulic tank .............................................................................................. 5-67
5.10.13 Bypass oil filter for hydraulic circuit (option) ........................................................................... 5-67
5.10.14 Bypass oil filter for hydraulic system (Special equipment)...................................................... 5-69
5.10.15 Return oil filter for hydraulic hammer (option)......................................................................... 5-70
5.10.16 Servicing the hydraulic cylinder .............................................................................................. 5-71
5.10.17 Replacing hydraulic hoses ...................................................................................................... 5-72
5.11 Oil changes on components ................................................................................................................ 5-73
5.11.1 General information ................................................................................................................ 5-73
5.11.2 Swing gear - Oil level check and oil change ........................................................................... 5-74
5.11.3 Splitterbox - Oil change .......................................................................................................... 5-75
5.11.4 Travelling gear - changing the oil ........................................................................................... 5-76
5.12 The track components ......................................................................................................................... 5-77
5.12.1 Checking the mounting screws of the track components ....................................................... 5-77
5.12.2 Checking the track chains tension .......................................................................................... 5-77
5.12.3 Retensioning the track ............................................................................................................ 5-79
5.12.4 Releasing the track chain tension ........................................................................................... 5-79
5.12.5 Cleaning the track components .............................................................................................. 5-80
5.13 Electrical system .................................................................................................................................. 5-81
5.13.1 Notes on the electrical system................................................................................................ 5-81
5.13.2 Main battery switch ................................................................................................................. 5-82
5.13.3 Battery care ............................................................................................................................ 5-82
5.13.4 Slip ring assembly (optional extra) ......................................................................................... 5-83
5.14 Heating/air-conditioning system........................................................................................................... 5-84
5.14.1 Recirculated and fresh air filters ............................................................................................. 5-84
5.14.2 Heating system ....................................................................................................................... 5-85
5.14.3 Air-conditioning system .......................................................................................................... 5-86
5.15 Greasing the machine .......................................................................................................................... 5-88
5.15.1 The centralized lubrication system ......................................................................................... 5-88
5.15.2 Semi automatic and full automatic systems............................................................................ 5-90
5.15.3 Operation of the semi automatic system ................................................................................ 5-90
5.15.4 Operation of the full automatic system ................................................................................... 5-91
5.15.5 Emergency lubrication with defective lubrication system........................................................ 5-93
5.15.6 To refill a grease container ..................................................................................................... 5-94
5.15.7 Changes in the lubrication circuit ............................................................................................ 5-95
5.15.8 Greasing the grab (optional extra) .......................................................................................... 5-95
5.16 Quick-change systems......................................................................................................................... 5-96
5.16.1 Greasing the mechanical quick-change adapter (optional extra) ........................................... 5-96
5.16.2 Hydraulic quick-change adapter (optional extra) .................................................................... 5-97
5.16.3 LIKUFIX (optional extra) ......................................................................................................... 5-98
5.16.4 Checking and maintenance of quick change coupler ............................................................. 5-99
5.17 Drive unit brakes and swing gear brakes ........................................................................................... 5-101
5.18 General maintenance points .............................................................................................................. 5-101
5.18.1 Replacing working parts ....................................................................................................... 5-101
5.18.2 Checking or replacing the teeth on the bucket ..................................................................... 5-101
5.18.3 Welding work on the machine .............................................................................................. 5-103
5.19 Control and maintenance chart .......................................................................................................... 5-104
LFR/en/edition: 12 / 2010
1 Product description
1.1 Assembly - overview
This section comprises an overview of the machine and descriptions of the compo-
nents shown.
1.1.1 Machine and construction equipment
Fig. 1-1 Machine with construction equipment
100 Upper carriage 320 Adjusting cylinder 360 Tilt cylinder
200 Chassis 330 Boom 370 Bucket
300 Hydraulic jack 340 Stanchion cylinder
310 Slewing arm 350 Shovel arm
Product description
1 - 2
Operating manual
Assembly - overview
R 924 Compact Tier III / 10360022
MJFCIFSS
LFR/en/edition: 12 / 2010
Fig. 1-2 Machine with construction equipment
300 Hydraulic jack 330 Booml 360 Tilt cylinder
310 Slewing arm 340 Stanchion cylinder 370 Bucket
320 Adjusting cylinder 350 Shovel arm
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LIEBHERR R924 Excavator Operators OPERATING Manual (Serial no. from: 27686) #2
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This operating manual is for the Liebherr R924 Excavator (Serial no. from: 27686), Type: R 924 Compact Tier III, with Type no.: 1055 / 1056. It consists of 367 pages and has the publication number: 10360022. These instructions are intended for both the machine operator and maintenance personnel.
It includes detailed descriptions for the following chapters:
- Chapter 1: Product description
- Chapter 2: Safety guidelines
- Chapter 3: Control, operation
- Chapter 4: Malfunctions
- Chapter 5: Maintenance
It is essential for all individuals involved in operating or maintaining the machine to carefully read and follow these instructions before putting the machine into service and at regular intervals thereafter. This includes tasks such as operation, troubleshooting, maintenance, inspection, repair work, and transportation of the machine.
Adhering to these operating instructions enhances familiarity with the machine, prevents malfunctions due to improper operation, and increases reliability, service life, and cost-effectiveness. It is crucial to keep a copy of these instructions readily available in the operator's cab compartment.
The manual provides comprehensive information for controlling, operating, and maintaining the machine. Please note that some illustrations and details in the manual may differ from your specific machine, and improvements to the machines may not be reflected in these instructions.
Instant access is available with no waiting time, and the manual is in English format. It is compatible with all versions of Windows, Mac, iOS, BB, Android, etc. The manual is searchable and bookmarked, and can be viewed, zoomed, and printed on any computer. For optimal viewing, ensure you have the latest version of Acrobat Reader.
If you require any other manuals, feel free to email for further assistance.
