Liebherr R 944C Demolition 791 792 1000 1079 Hydraulic Excavator Operator’s Manual SN 22915 – PDF DOWNLOAD
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Liebherr R 944C Demolition 791 792 1000 1079 Hydraulic Excavator Operator’s Manual SN 22915 – PDF DOWNLOAD
Product ID
Manufacturer: LIEBHERR France S.A.S.
Type: R 944C Demolition
Type no.: 791 / 792 / 1000 / 1079
Description
Liebherr R 944C Demolition 791 792 1000 1079 Hydraulic Excavator Operator’s Manual SN 22915 – PDF DOWNLOAD
FILE DETAILS:
Liebherr R 944C Demolition 791 792 1000 1079 Hydraulic Excavator Operator’s Manual SN 22915 – PDF DOWNLOAD
Language : English
Pages : 424
Downloadable : Yes
File Type : PDF
IMAGES PREVIEW OF THE MANUAL:

DESCRIPTION:
Liebherr R 944C Demolition 791 792 1000 1079 Hydraulic Excavator Operator’s Manual SN 22915 – PDF DOWNLOAD
Product ID
Manufacturer: LIEBHERR France S.A.S.
Type: R 944C Demolition
Type no.: 791 / 792 / 1000 / 1079
Preface:
These operating instructions have been written for the machine operator and for the maintenance personnel of the machine.
They contain:
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 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:
- increases reliability in use.
- extends the service life of your machine.
- reduces repair costs and downtime.
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.
- Some illustrations in these operating instructions may depict details and working devices which differ from your machine.
- In some illustrations, protective devices and covers have been removed in the interests of better presentation.
- Improvements, which are always being incorporated into our machines, may result in changes to your machine which are not yet indicated in these operating instructions.
TABLE OF CONTENTS:
Liebherr R 944C Demolition 791 792 1000 1079 Hydraulic Excavator Operator’s Manual SN 22915 – PDF DOWNLOAD
1 1 Assembly – overview 1-1
1 1 1 Machine with backhoe attachment 1-1
1 1 2 Machine with demolition attachment 1-2
1 1 3 Uppercarriage 1-3
1 1 4 Undercarriage 1-4
1 2 Vibration emissions 1-4
1 3 Technical data 1-5
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 2-16
2 5 Signs on the machine 2-21
2 5 1 Introduction 2-21
2 5 2 Arrangement of signage 2-22
2 5 3 Explanation of signage 2-23
2 5 4 Nameplates on the machine 2-29
3 1 Operating and control elements 3-1
3 1 1 Overview of the operator’s standing position 3-1
3 1 2 The joysticks 3-3
3 1 3 Keyboard 3-6
3 1 4 Monitoring display 3-10
3 1 5 Main screen (DISP02 R5 2 Software V4 4) 3-13
3 1 6 Controls and instrumentation for optional equipments 3-32
3 1 7 Display for LIEBHERR particle filter (optional) 3-35
3 2 The access and the outfit of the cab 3-37
3 2 1 Entering or leaving the cab 3-38
3 2 2 Safety lever 3-40
3 2 3 Operator’s seat 3-40
3 2 4 Windscreen 3-44
3 2 5 Sunshade 3-45
3 2 6 Emergency exit – rear window 3-45
3 2 7 Interior lighting 3-46
3 2 8 Fire extinguisher* 3-46
3 2 9 Windscreen wiper 3-47
3 2 10 Lighting 3-49
3 2 11 The heater and air conditioner 3-51
3 2 12 Additional standstill heater (Option) 3-56
3 3 Setting the machine into operation 3-60
3 3 1 Before starting the machine 3-62
3 3 2 Turning on the electrical system 3-63
3 3 3 Starting the Diesel engine 3-64
3 3 4 Speed adjustment and operating modes 3-65
3 3 5 Notes after starting the engine 3-67
3 3 6 Warm-up phase for Diesel engine and hydraulic circuit 3-67
3 3 7 Switching the Diesel engine off 3-68
3 3 8 Starting aids 3-69
3 3 9 Jump start procedure 3-71
3 3 10 Anti-theft device with code key (option) 3-71
3 3 11 Immobilizer with electronic ignition key (option) 3-72
3 3 13 Drive warning device (optional extra) 3-78
3 3 14 Height and inclination adjustable cab (optional extra) 3-79
3 4 Operating the excavator in safety modes 3-82
3 4 1 Board E52 for safety mode of Diesel engine & servo control 3-82
3 4 2 Safety operation of the main working pumps 3-85
3 5 Recovering, towing the machine 3-86
3 5 1 Towing the machine 3-86
3 6 Working with the machine 3-87
3 6 1 Low idle automatic 3-94
3 6 2 The uppercarriage swing movements 3-94
3 6 3 Working position 3-97
3 6 4 Operating working equipment 3-97
3 6 5 Control of an extended demolition attachment 3-99
3 6 6 The operation of the machine with LIEBHERR 44LDC, reach monitoring system 3-102
3 6 7 Control of a rotating device 3-119
3 6 8 Control of special equipments via the additional pedals 3-120
3 6 9 Use of the excavator for lifting loads overhead 3-123
3 6 10 Overload warning device (Option) 3-124
3 7 Attaching and dismounting equipment parts 3-126
3 7 1 Procedures for safety installation and removal of attachment components 3-127
3 7 2 Removal and installation of attachments stored on benches 3-129
3 7 3 Removal and installation of attachments in complete storing frameworks 3-135
3 7 4 Installation & removal of plug in boom with quick change adapter 3-143
3 7 5 Removal and installation of a bucket 3-145
3 7 6 Attaching and dismounting the bucket with improved sealing 3-147
3 7 7 Attaching and dismounting the grab on stick 3-149
3 7 8 Attaching and dismounting the grab on the industrial stanchion 3-152
3 7 9 Attaching and dismounting the stick to the boom 3-154
3 7 10 Mechanical quick-change adapter (optional extra) 3-156
3 7 11 Hydraulic quick-change adapter (optional extra) 3-160
3 7 12 LIKUFIX — hydraulic coupling system (optional extra) 3-167
3 8 General working methods 3-169
3 8 1 Minimum impact working methods for your machine 3-169
3 8 2 Preparatory activities 3-170
3 8 3 Using a backhoe bucket 3-171
3 8 4 Loading a transport vehicle 3-172
3 8 5 Skimming 3-173
3 8 6 Using a clamshell bucket (earthmoving attachment) 3-174
3 8 7 Using a multiple tine grapple (industrial attachment) 3-176
3 8 8 Using an hydraulic hammer 3-177
3 9 Adjustment of undercarriage width (option) 3-178
3 9 1 Mechanic changing of undercarriage width 3-178
3 9 2 Hydraulic aided track gauge adjustment 3-184
3 9 3 Hydraulic adjustment of undercarriage width 3-186
3 10 Transport 3-187
3 10 1 Transporting the machine on a low loader 3-188
3 10 2 Loading the machine with a crane 3-190
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 4-6
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 4-7
4 2 1 Diesel engine and fuel system 4-9
4 2 2 Hydraulic system 4-10
4 2 3 Transmission 4-11
4 2 4 Electrical system 4-11
4 2 5 Work equipment 4-12
4 2 6 Heating/air-conditioning system 4-12
4 2 7 LIEBHERR particles filter system 4-14
4 2 8 LIEBHERR reach monitoring system 44LDC, 4-15
4 3 Fuses and relays 4-18
4 3 1 Fuse box E50 4-18
4 3 2 A1010 Plate 4-19
5 2 Maintenance access 5-7
5 2 1 5-7
5 2 2 Door lock 5-8
5 3 Lubricants and operating fluids 5-8
5 3 1 5-8
5 3 2 Lubrication chart 5-10
5 3 3 Lubricant chart 5-12
5 3 4 Operating material chart 5-13
5 4 Specifications for fuels, lubricants and process chemicals 5-13
5 4 1 Diesel fuels 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 5-20
5 4 5 Lubricating grease and other lubricants 5-24
5 5 Diesel engine 5-25
5 5 1 Checking the oil level in the diesel engine 5-25
5 5 2 Changing the diesel engine oil 5-26
5 5 3 Belt for the A/C compressor and alternator installation 5-27
5 5 4 Lubricating starter ring gear 5-28
5 5 5 Vibration damper 5-29
5 5 6 Checking mounting screws 5-29
5 5 7 Oil separator 5-30
5 5 8 Heater flange 5-31
5 5 9 Checking and adjustment of valve clearance 5-31
5 6 LIEBHERR particles filter (In option) 5-34
5 6 1 Drain the condensation water: 5-34
5 6 2 Water separator maintenance 5-35
5 7 Cooling system 5-35
5 7 1 Checking and cleaning the cooling system 5-35
5 7 2 Checking the coolant level 5-36
5 7 3 Coolant antifreeze and anti-corrosion fluid 5-36
5 7 4 Changing the coolant 5-36
5 7 5 Reversible fan (optional extra) 5-39
5 8 Fuel system 5-40
5 8 1 Refuelling 5-40
5 8 2 Electrical refuelling pump (optional extra) 5-41
5 8 3 Draining the fuel tank 5-42
5 8 4 Emptying and cleaning the fuel tank 5-43
5 8 5 Draining the fuel prefilter 5-43
5 8 6 Changing fuel filter cartridges 5-44
5 8 7 Bleeding the fuel system 5-46
5 9 Dry air filter 5-49
5 9 1 Changing the main element 5-50
5 9 3 Monitoring the filtered air line 5-52
5 10 Hydraulic system 5-52
5 10 1 Depressurizing the hydraulic system 5-52
5 10 2 Checking the oil level, emptying and refilling the hydraulic tank 5-53
5 10 3 Return-line filter 5-56
5 10 4 Leak oil filter 5-57
5 10 5 Control oil filter 5-58
5 10 6 Replenishing oil filter in swing circuit 5-59
5 10 7 Control circuit 5-60
5 10 8 Bleeding the hydraulic pumps 5-60
5 10 9 Bleeding the hydraulic cylinders 5-63
5 10 10 Removing the intake hose to the pumps 5-64
5 10 11 Vent filter on the hydraulic tank 5-65
5 10 12 Bypass oil filter (option) 5-66
5 10 13 Bypass oil filter for hydraulic system (Special equipment) 5-67
5 10 14 Return oil filter for hydraulic hammer (option) 5-69
5 10 15 Servicing the hydraulic cylinder 5-70
5 10 16 Replacing hydraulic hoses 5-71
5 11 Oil changes on components 5-72
5 11 1 General information 5-72
5 11 2 Swing gear – Oil level check and oil change 5-73
5 11 3 Travelling gear – changing the oil 5-74
5 11 4 Splitterbox – Oil change 5-75
5 12 Travel gear 5-76
5 12 1 Checking the travel gear component mountings 5-76
5 12 2 Checking the track chains tension 5-77
5 12 3 Retensioning the track 5-78
5 12 4 Releasing the track chain tension 5-79
5 12 5 Cleaning the track components 5-79
5 12 6 Undercarriage with adjustable track gauge (Typ VH-HD) 5-81
5 13 Electrical system 5-94
5 13 1 Notes on the electrical system 5-94
5 13 2 Main battery switch 5-95
5 13 3 Battery care 5-95
5 14 Heating/air-conditioning system 5-96
5 14 1 Recirculated and fresh air filters 5-96
5 14 2 Heating system 5-97
5 14 3 Air-conditioning system 5-98
5 14 4 Cab pressuring system (in option) 5-101
5 15 Greasing the machine 5-101
5 15 1 The centralized lubrication system 5-101
5 15 2 Semi automatic and full automatic systems 5-103
5 15 3 Operation of the semi automatic system 5-103
5 15 4 Operation of the full automatic system 5-104
5 15 5 Emergency lubrication with defective lubrication system 5-106
5 15 6 To refill a grease container 5-107
5 15 7 Greasing the grab (optional extra) 5-108
5 15 8 Adaptation of the lubrication circuit for special working attachments 5-108
5 16 Quick-change systems 5-109
5 16 1 Greasing the mechanical quick-change adapter (optional extra) 5-109
5 16 2 Hydraulic quick-change adapter (optional extra) 5-110
5 16 3 LIKUFIX (optional extra) 5-111
5 17 Check mounting bolts for tightness 5-112
5 17 1 Mounting bolts of the counterweight 5-113
5 17 2 Mounting screws of the swing ring 5-113
5 17 3 Mounting screws of the hydraulic oil and fuel tank 5-114
5 17 4 Mounting screws of the swing gear and motor 5-114
5 19 Hydraulic removable counterweight 5-115
5 19 1Safety guidelines for lifting and lowering the counterweight 5-115
5 19 2Removal and lifting up of counterweight 5-116
5 20 General maintenance points 5-120
5 20 1Replacing working parts 5-120
5 20 2Checking or replacing the teeth on the bucket 5-121
5 20 3Welding work on the machine 5-123
5 21 Control and maintenance chart 5-123
Customer Support: [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]
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