Liebherr R 974 C-Litronic 449 1010 1011 1057 1058 1084 1124 1137 1146 1152 Hydraulic Excavator Operating Manual SN 22515

– The technical data.

– The safety requirements.

– The operating instructions.

–  The maintenance instructions.

1 Product description 1-1
11 Assembly – overview 1-1
111 Machine with backhoe attachment 1-1
112 Machine with shovel attachment 1-2
113 Uppercarriage 1-2
114 Undercarriage 1-3
12 Technical data 1-3
13 Vibration emissions 1-4

2 Safety instructions 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 2-13
25 Signs on the machine 2-19
251 Introduction 2-19
252 Arrangement of signage 2-20
253 Explanation of signage 2-21
254 Nameplates on the machine 2-27

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 3-6
314 Monitoring display 3-11
315 Main screen 3-14
316 Information provided in the menus (Software Version V60) 3-23
31 7 Controls on side control desks 3-37
318 Controls and instrumentation for optional equipments 3-39
319 Display for LIEBHERR particle filter (optional) 3-44
32 The access to the cab 3-45
321 Entering or leaving the cab 3-46
33 The equipment of the cab 3-48
331 The safety lever 3-48
332 Operator’s seat 3-49
333 Windscreen 3-52
334 Sunshade 3-53
335 Emergency exit – rear window 3-54
336 Interior lighting 3-54
337 Fire extinguisher” 3-54
338 The heater and air conditioner 3-55
339 Additional standstill heater (Option) 3-61
34 Setting the machine into operation 3-65
341 Safety instructions for the starting of the machine 3-65
342 Before starting the machine 3-66
343 Turning on the electrical system 3-67
344 Starting the Diesel engine 3-68
345 Speed adjustment and operating modes 3-69
346 Notes after starting the engine 3-71
347 Warm-up phase for Diesel engine and hydraulic circuit 3-71
348 Switching the Diesel engine off 3-72
349 Starting aids 3-74
3410 Jump start procedure 3-75
3411 Anti-theft device with code key (option) 3-76
3412 Immobilizer with electronic ignition key (option) 3-76
35 Working with the machine 3-78
351 The travel movements 3-83
352 Drive warning device (optional extra) 3-88
353 The uppercarriage swing movements 3-89
354 Working position 3-91
355 Working attachment control 3-92
356 Lowering the working attachment with the engine shut down 3-94
357 Control of a rotating device 3-95
358 Lifting magnet control system (optional equipment) 3-97
359 Control of special equipments via the additional pedals 3-98
3510 Commutation of the controls for an additional user AHS (special equipment) 3-101
3511 Special control system of the joysticks (Option) 3-102
3512 Cut off by end switches of attachment movements (Option) 3-103
3513 Use of the excavator for lifting loads overhead 3-107
3514 Overload warning device (Option) 3-108
3515 Height adjustable cab (Option) 3-109
36 Operating the excavator in safety modes 3-113
361 Board E52 for safety mode of Diesel engine & servo control 3-113
362 Safety operation of the main working pumps 3-116
363 Emergency attachment lowering with defective servo circuit 3-117
364 Emergency supply of the boom cylinders (optional) 3-118
365 Towing with the machine, emergency towing of the machine 3-120
37 Removal and installation of attachment parts 3-123
371 Removal and installation of a bucket 3-124
372 Attaching and dismounting the bucket with improved sealing 3-125
373 Attaching and dismounting the grab on stick 3-128
374 Attaching and dismounting the grab on the industrial stanchion 3-130
375 Attaching and dismounting the stick to the boom 3-133
3 7 6 Mechanical quick-change adapter ( optional extra) 3-135
377 Hydraulic quick-change adapter (optional extra) 3-139
378 LIKUFIX- hydraulic coupling system (optional extra) 3-146
38 General working methods 3-148
381 Minimum impact working methods for your machine 3-148
382 Preparatory activities 3-149
383 Using a backhoe bucket 3-150
384 Loading a transport vehicle 3-151
385 Skimming 3-152
386 Using a clamshell bucket (earthmoving attachment) 3-153
387 Using a multiple tine grapple (industrial attachment) 3-155
388 Using an hydraulic hammer 3-156
39 Adjustment of undercarriage width (option) 3-157
391 Hydraulic adjustment of undercarriage width 3-157
310 Hydraulic removable counterweight 3-158
3101 Safety guidelines for lifting and lowering the counterweight 3-159
3102 Removal and lifting up of counterweight 3-159
311 Transport 3-163
3111 Transporting the excavator on flatbed trailers 3-164
3112 Loading the machine with a crane 3-166

4 Malfunctions 4-1
41 Error code charts 4-2 ~ 0)
411 Electrical errors in the engine control system (PLD-CR) 4-2 °
412 System errors in the electrical servo control circuit 4-5 °
413 Communication and coding errors 4-8 ~
414 Other electrical errors (general switches and transmitter circuits, ) 4-10 ~
415 Operation errors (also displayed as warning symbols in field SY) 4-12 u
42 Faults and remedies 4-14 1
421 Diesel engine and fuel system 4-14
422 Hydraulic system 4-15
423 Transmission 4-16
424 Electrical system 4-16
425 Work equipment 4-17
426 Heating/air-conditioning system 4-18
427 LIEBHERR particles filter system 4-19
43 Fuses and relays 4-21
431 Electrical power box E50 with main fuses 4-21
432 Control plate A1010 with fuses 4-22

5 Maintenance 5-1
51 Servicing the machine safely 5-1
52 Maintenance access doors 5-7
521 Overview of access doors 5-7
522 Door retaining rods 5-8
523 Opening, closing, locking the engine hood 21 5-9
53 Lubricants and operating fluids 5-10
531 General information on changing lubricants and operating fluids 5-10
532 Lubrication chart 5-11
533 Lubricants chart 5-12
534 Operating material chart 5-13
54 Specifications for fuels, lubricants and process chemicals 5-14
541 Diesel fuels 5-14
542 Lubricating oil for the diesel engine 5-15
543 Coolant for the diesel engine 5-17
544 Hydraulic liquids 5-20
545 Lubricating grease and other lubricants 5-25
55 Diesel engine 5-26
551 Checking the oil level in the Diesel engine 5-26
552 Replacing the engine oil and the engine oil filter elements 5-27
553 Polyvee belt for the airco compressor and alternator drive 5-29
554 Lubricating the starter ring gear 5-29
555 Checking mounting bolts 5-31
556 Oil separator 5-32
55 7 Heater flanges 5-32
558 Checking and adjustment of valve clearance 5-33
56 Cooling system 5-35
561 Checking and cleaning the cooling system 5-35
562 Checking the coolant level 5-35
563 Coolant antifreeze and anti-corrosion fluid 5-36
564 Changing the coolant 5-36
57 Fuel system 5-39
571 Refuelling 5-39
572 Draining the fuel tank 5-42
573 Emptying and cleaning the fuel tank 5-42
574 Draining the fuel prefilter 5-43
575 Replacing the fuel filter elements 5-43
576 Bleeding the fuel system 5-46
58 Dry air filter 5-47
581 Changing the main element 5-49
582 Changing the safety element 5-50
583 Checking the intake air lines 5-50
59 LIEBHERR particles filter (In option) 5-51
591 Drain the condensation water: 5-51
592 Water separator maintenance: 5-51
510 Hydraulic system 5-52
5101 Depressurizing the hydraulic system 5-52
5102 Checking the oil level, emptying and refilling the hydraulic tank 5-53
5103 Checking and cleaning the oil cooler system 5-56
5104 Return filter 5-57
5105 Servofilter 5-58
5106 Replenishing oil filter in swing circuit 5-59
510 7 Servo control circuit 5-59
5108 Air bleeding of the servo control chambers 5-60
5109 Bleeding the hydraulic pumps 5-60
51010 Bleeding the hydraulic cylinders 5-61
51011 Removing the suction hose to the pumps 5-63
51012 Breather filter on the hydraulic tank 5-64
51013 Bypass oil filter for hydraulic system (Special equipment) 5-64
51014 Servicing the hydraulic cylinder 5-66
51015 Replacing hydraulic hoses 5-67
Oil changes on components 5-68
5111 General information 5-68
5112 Swing gear – Oil level check and oil change 5-69
5113 Travel gear oil change 5-69
5114 Splitterbox – Oil change 5-71
The track components 5-71
5121 Checking the mounting screws of the track components 5-72
5122 Checking the track chains tension 5-72
5123 Retensioning the track 5-73
5124 Releasing the track chain tension 5-74
5125 Cleaning the track components 5-75
Electrical system 5-76
5131 Notes on the electrical system 5-76
5132 Main battery switch 5-76
5133 Battery care 5-77
5134 Slip ring assembly (optional extra) 5-78
Heating/air-conditioning system 5-78
5141 Recirculated and fresh air filters 5-78
5142 Heating system 5-79
5143 Air-conditioning system 5-80
Greasing the machine 5-83
5151 The centralized lubrication system 5-83
5152 Operation of the full automatic system 5-85
5153 Emergency lubrication with defective lubrication system 5-87
5154 To refill a grease container 5-87
5155 Changes in the lubrication circuit 5-89
5156 Greasing the grab (optional extra) 5-89
Quick-change systems 5-90
5161 Greasing the mechanical quick-change adapter (optional extra) 5-90
5162 Hydraulic quick-change adapter (optional extra) 5-90
5163 LIKUFIX (optional extra) 5-92
Check mounting bolts for tightness 5-93
5171 Mounting bolts of the counterweight 5-93
5172 Mounting screws of the swing ring 5-93
5173 Mounting screws of the hydraulic oil and fuel tank 5-94
5174 Mounting bolts of the swing gear and motor 5-94
5175 Mounting bolts central piece to side frames (option “removable side frames”) 5-95 gi
0 Drive unit brakes and swing gear brakes 5-95 ~
General maintenance points 5-95 gi
5191 Replacing working parts 5-95 g
5192 Checking or replacing the teeth on the bucket 5-96 ®
5193 Welding work on the machine 5-98 b!:!c:
Maintenance chart 5-100