Liebherr Hydraulic excavator R944C Operating manual 31021 – PDF DOWNLOAD
FILE DETAILS:
Liebherr Hydraulic excavator R944C Operating manual 31021 – PDF DOWNLOAD
Language : English
Pages : 382
Downloadable : Yes
File Type : PDF
Size: 85.0 MB
DESCRIPTION:
Liebherr Hydraulic excavator R944C Operating manual 31021 – PDF DOWNLOAD
Product identification
Manufacturer: Liebherr-France SAS
Type:R944C
Type no.: 786 I 791 / 792 / 793 / 1000 / 1079 / 1119 / 1151 /
1256 / 1284 / 1338 / 1339
Conformity: CE
Introduction
This operating manual has been specifically designed 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 machine. Ensure that a copy is always 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.
Such work includes:
- Machine operation, including tooling, troubleshooting during work, general care and cleaning, disposal of fuels and lubricants.
- Maintenance, including inspection, servicing, and repair.
- Transport or loading of the machine.
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 the best practices 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 machines caused by the use of 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.
TABLE OF CONTENTS:
Liebherr Hydraulic excavator R944C Operating manual 31021 – PDF DOWNLOAD
1 Product description 1-1
11 Assembly- overview 1-1
111 Machine with backhoe attachment 1-1
112 Machine with industrial attachment 1-2
113 Uppercarriage 1-3
114 Undercarriage 1-4
12 Vibration emissions 1-4
13 Sound emission 1-5
14 EC Declaration of Conformity 1-6
15 Technical data 1-7
2 Safety instructions, Signs on the machine 2-1
21 Meaning of the symbols in this manual 2-1
22 Use in accordance with the regulations 2-2
23 Safety Instructions 2-2
24 Servicing the machine safely 2-15
25 Signs on the machine 2-21
251 Types of signs 2-21
252 Arrangement of signs 2-22
253 Explanation of signs 2-23
254 Nameplates on the machine 2-30
3 Control and operation 3-1
31 Operating and control elements 3-1
311 Controls in the operator’s cab 3-1
312 The joysticks 3-3
313 Control unit 3-7
314 Monitoring display 3-12
315 Main screen 3-15
316 Information provided in the menus 3-22
31 7 Glancing through the available menus 3-37
318 Controls and instrumentation for optional equipments 3-38
319 Display for LIEBHERR particle filter (option) 3-42
32 Access and equipment of the cab 3-44
321 Entering or leaving the cab 3-44
322 Safety lever 3-46
323 Operator seat 3-47
324 Putting on and releasing the safety belt 3-50
325 Windscreen 3-51
326 Sunshade 3-51
32 7 Emergency exit – rear window 3-52
328 Interior lights 3-52
329 Fire extinguisher 3-53
3210 Windscreen wiper 3-54
Setting the machine into operation 3-67
331 Before starting the machine 3-67
332 Turning on the electrical system 3-68
333 Starting the Diesel engine 3-69
334 Speed adjustment and operating modes 3-70
335 Notes after starting the engine 3-72
336 Warm-up phase for Diesel engine and hydraulic circuit 3-72
copyright by
R944C / 10069986
MJFCIFSS
Operating manual
337 Switching the Diesel engine off 3-73
338 Automatic motorstop after low idle (option) 3-75
339 Starting aids 3-75
3310 Jump start procedure 3-77
3311 Immobilizer with electronic ignition key (option) 3-77
34 Working with the machine 3-79
341 Low idle automatic 3-79
342 Travel functions 3-80
343 Travel warning device (option) 3-84
344 Uppercarriage swing movements 3-85
345 Working position 3-88
346 Working attachment control 3-88
347 Lowering the working attachment with the engine shut down 3-90
348 Rotating, tilting, locking and unlocking a working tool 3-91
349 Control of the swivel rotator (option) 3-93
3410 Lifting magnet control system (optional equipment) 3-94
3411 Control of additional attachments via the additional pedals 3-95
3412 AHS11 proportional control (option) 3-97
3413 Commutation of control for an additional attachment (option) 3-98
3414 Special control system of the joysticks 3-100
3415 Special control (option) 3-103
3416 Cut-off of attachment movements (option) 3-103
3417 Use of the excavator for lifting loads overhead 3-106
3418 Overload warning system (option) 3-107
3419 Adjustable hydraulic cab (option) 3-108
35 Operating the excavator in safety modes 3-111
351 Board E52 for safety mode of Diesel engine & servo control 3-111
352 Safety operation of the main working pumps 3-113
36 Recovering, towing the machine 3-114
37 Installation and removal of attachment parts 3-116
371 Removal and installation of a bucket 3-116
372 Attaching and dismounting the bucket with improved sealing 3-118
373 Attaching and dismounting the grab on stick 3-120
374 Attaching and dismounting the grab on the industrial stanchion 3-123
375 Attaching and dismounting the stick to the boom 3-125
376 Mechanical quick-change adapter (option) 3-127
3 7 7 Hydraulic quick-change adapter (option) 3-131
378 LIKUFIX- hydraulic coupling system (option) 3-138
38 Working methods 3-141
381 Minimum impact working methods for your machine 3-141
382 Preparatory activities 3-141
383 Using a backhoe bucket 3-142
384 Loading a transport vehicle 3-144
385 Skimming 3-144
386 Using a clamshell bucket (earthmoving attachment) 3-145
387 Using a multiple tine grapple (industrial attachment) 3-148
388 Using an hydraulic hammer 3-149
389 Working with a bottom dump bucket 3-150
39 Modification of the undercarriage width (option) 3-152 ~
391 Mechanical modification of the undercarriage width 3-152 ~
392 Hydraulic aided track gauge adjustment 3-158 8
393 Hydraulic adjustment of undercarriage width 3-160 g
310 Counterweight hydraulic installation and removal 3-161 ~
3101 Hydraulic circuit control 3-161 ~
3102 Counterweight hydraulic removal 3-162 ~
3103 Counterweight moving 3-163 ~
311 Transport 3-165
3111 Driving the machine onto the trailer 3-166
copyright by
R944C / 10069986
MJFCIFSS
Operating manual
3112 Lifting the machine with a crane 3-167
3113 Secure the machine (4 tie-down points) 3-169
3114 Secure the machine (6 tie-down points) 3-169
4 Troubleshooting 4-1
41 Error code list 4-2
42 Faults and remedies 4-8
421 Diesel engine and fuel system 4-8
422 Hydraulic system 4-9
423 Transmission 4-10
424 Electrical system 4-11
425 Work equipment 4-11
426 Heating/air-conditioning system 4-12
427 LIEBHERR particles filter system 4-13
43 Fuses and relays 4-15
431 Fuse box E50 4-15
432 A1010 Plate 4-16
5 Maintenance 5-1
51 Maintenance access doors 5-1
511 Overview of access doors 5-1
512 Door lock 5-2
52 Cleaning machine 5-2
53 Care for rubber components 5-3
54 Lubricants and fluids 5-3
541 General information 5-3
542 Filling quantities and lubricating chart 5-4
55 Lubricants and fluids specification 5-7
551 Dieselfuels 5-7
552 Lubricating oil for the diesel engine 5-8
553 Coolants for diesel engine 5-10
554 Hydraulic oil 5-12
555 Lubricants for gearboxes 5-18
556 Grease 5-20
557 Lubricants and care products for electrical and mechanical components 5-20
56 Diesel engine 5-21
561 Checking the oil level in the diesel engine 5-21
562 Changing the diesel engine oil 5-22
563 Belt for the A/C compressor and alternator installation 5-23
564 Vibration damper 5-24
565 Checking mounting screws 5-24
566 Oil separator 5-25
56 7 Heater flange 5-26
568 Checking and adjustment of valve clearance 5-26
57 LIEBHERR particles filter (option) 5-29
571 Drain the condensation water 5-29
5 7 2 Water separator maintenance 5-2991 Refuelling 5-38
592 Electrical refuelling pump (optional extra) 5-39
593 Draining the fuel tank 5-41
copyright by
R944C / 10069986
MJFCIFSS
Operating manual
594 Emptying and cleaning the fuel tank 5-42
595 Draining the fuel prefilter 5-42
596 Changing fuel filter cartridges 5-43
597 Bleeding the fuel system 5-45
510 Dry air filter 5-48
5101 Changing the main element 5-49
5102 Changing the safety element 5-50
5103 Monitoring the filtered air line 5-51
511 Hydraulic system 5-51
5111 Depressurizing the hydraulic system 5-51
5112 Checking the oil level, emptying and refilling the hydraulic tank 5-52
5113 Return-line filter 5-55
5114 Leak oil filter 5-56
5115 Control oil filter 5-57
5116 Replenishing oil filter in swing circuit 5-58
511 7 Control circuit 5-59
5118 Bleeding the hydraulic pumps 5-59
5119 Bleeding the hydraulic cylinders 5-61
51110 Removing the intake hose to the pumps 5-63
51111 Vent filter on the hydraulic tank 5-64
51112 Bypass oil filter for hydraulic system (option) 5-65
51113 Return oil filter for hydraulic hammer (option) 5-66
51114 High pressure filters in working circuit 5-67
51115 Servicing the hydraulic cylinder 5-68
51116 Replacing hydraulic hoses 5-69
512 Oil changes on components 5-70
5121 General information 5-70
5122 Swing gear – Oil level check and oil change 5-71
5123 Travelling gear – changing the oil 5-72
5124 Splitterbox – Oil change 5-73
513 Travel gear 5-74
5131 Checking the travel gear component mountings 5-74
5132 Checking the track chains tension 5-75
5133 Retensioning the track 5-77
5134 Releasing the track chain tension 5-77
5135 Cleaning the track components 5-78
514 Undercarriage with adjustable track gauge 5-79
5141 Adjusting the track gauge of the undercarriage 5-81
5142 Lubrication of the undercarriage 5-86
5143 Checking the slide clearance on the track width adjustment 5-90
515 Electrical system 5-94
5151 Notes on the electrical system 5-94
5152 Main battery switch 5-94
5153 Battery care 5-95
516 Heating/air-conditioning system 5-96
5161 Recirculated and fresh air filters 5-96
5162 Heating system 5-97
5163 Air-conditioning system 5-98
517
5164 Cab pressuring system (option) 5-100 ~
Greasing the machine 5-101 ~
517 1 The centralized lubrication system 5-101 8
517 2 Semi automatic and full automatic systems 5-103 g
517 3 Operation of the semi automatic system 5-103 ~
5174 Operation of the full automatic system 5-104 ~
5175 Emergency lubrication with defective lubrication system 5-106 ~
517 6 To refill a grease container 5-106 ~
5177 Changes in the lubrication circuit 5-107
5178 Greasing the grab (optional extra) 5-108
Operating manual
518 Quick-change systems 5-109
5181 Greasing the mechanical quick-change adapter (option) 5-109
5182 Hydraulic quick-change adapter (option) 5-109
5183 LIKUFIX(option) 5-110
519 Check mounting bolts for tightness 5-111
5191 Mounting bolts of the counterweight 5-112
5192 Mounting screws of the swing ring 5-112
5193 Mounting screws of the hydraulic oil and fuel tank 5-113
5194 Mounting screws of the swing gear and motor 5-113
520 Drive unit brakes and swing gear brakes 5-114
521 General maintenance points 5-114
5211 Replacing working parts 5-114
5212 Checking or replacing the teeth on the bucket 5-114
5213 Welding work on the machine 5-116
522 Control and maintenance chart 5-117
IMAGES PREVIEW OF THE MANUAL:
VIDEO PREVIEW OF THE MANUAL:
PLEASE NOTE:
- This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
- Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.
S.M