Liebherr Ep934c Hydraulic Excavator Operation Maintenance Manual Download From Serial Number 27082

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Liebherr Ep934c Hydraulic Excavator Operation Maintenance Manual Download From Serial Number 27082

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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 Elastical suspension 1-4
12 Vibration emissions 1-4
13 Sound emission 1-5
14 Technical data 1-6
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 specific to electrical systems 2-2
24 Safety Instructions 2-4
25 Servicing the machine safely 2-15
26 Signs on the machine 2-22
261 Introduction 2-22
262 Arrangement of signage 2-22
263 Explanation of signage 2-23
264 Type plates 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 3-14
316 Information provided in the menus 3-18
317 Glancing through the available menus 3-31
318 Controls and instrumentation for optional equipments 3-32
32 Access and equipment of the cab 3-36
321 Safety access to electric machines for industrial applications with self-stabilising tower superstructure
(optional)3-36
322 Entering or leaving the cab 3-40
323 The safety lever 3-42
324 Operator’s seat 3-43
325 Windscreen 3-46
326 Sunshade 3-47
327 Emergency exit – rear window 3-48
328 Interior lighting 3-48
329 Fire extinguisher* 3-48
3210 The heater and air conditioner 3-49
33 Setting the machine into operation 3-57
331 Notes on measures to be taken before starting the machine 3-57
332 Switching on the electrical system 3-59
333 Starting the electric engine 3-62
334 Shutting down units 3-62
335 Starting aids 3-64
34 Working with the machine 3-64
341 Working position 3-66
342 Working attachment control 3-67
343 Lowering the working attachment with the engine shut down 3-69
344 Control of a rotating device 3-69
345 Control of the swivel rotator (option) 3-71
346 Control of special equipments via the additional pedals 3-72
0 – 2
Operating Manual
EP 934 C / 10361769
MJFCIFSS
LFR/en/Edition: 05 / 2010
347 Commutation of the controls for an additional user AHS (special equipment) 3-75
348 Special control system of the joysticks (Option) 3-76
349 Special control system of the joysticks 3-78
3410 Special control (option) 3-81
3411 Mechanical stanchion cylinder shut-down (option) 3-81
3412 Use of the excavator for lifting loads overhead 3-84
3413 Overload warning device (Option) 3-85
3414 Hydraulically adjustable cab (option) 3-87
35 Emergency operation 3-89
351 Emergency control circuit board E52 for electric motor & servo control 3-89
352 Emergency operation of the working pumps 3-91
36 Attaching and dismounting equipment parts 3-93
361 Attaching and dismounting the bucket with improved sealing 3-95
362 Attaching and dismounting the grab on stick 3-97
363 Attaching and dismounting the grab on the industrial stanchion 3-100
364 Attaching and dismounting the stick to the boom 3-102
365 Mechanical quick-change adapter (optional extra) 3-104
366 Hydraulic quick-change adapter (optional extra) 3-108
367 LIKUFIX – hydraulic coupling system (optional extra) 3-115
37 General working methods 3-118
371 Minimum impact working methods for your machine 3-118
372 Preparatory activities 3-118
373 Using a backhoe bucket 3-119
374 Loading a transport vehicle 3-121
375 Skimming 3-121
376 Using a clamshell bucket (earthmoving attachment) 3-122
377 Using a multiple tine grapple (industrial attachment) 3-124
378 Using an hydraulic hammer 3-125
38 Removing counter weight 3-127
381 Safety instructions for the attachment and removal of the counter weight 3-127
382 Removing counter weight 3-128
383 Re-attaching counter weight 3-128
39 Installing and removing elastic bearing in electric excavator 3-130
391 Safety instructions for the installation and removal of the elastic bearing 3-130
392 Installing elastic bearing 3-131
393 Reinstalling elastic bearing 3-132
310 Transport 3-135
3101 Loading the machine with a crane 3-135
3102 Loading the machine onto a low-loader 3-140
4 Malfunctions 4-1
41 Error code charts 4-2
411 Machine Control system (BST) 4-2
412 Keypad 4-3
413 Display 4-4
414 Coding error 4-4
415 Other errors 4-4
416 Error due to warning symbols in SY field 4-4
42 Troubleshooting 4-5
421 Hydraulic system 4-5
422 Travel gearbox 4-6
423 Electrical system 4-6
424 Working attachment 4-7
425 Heating and air-conditioning system 4-7
43 Fuses and relays 4-9
431 Power switch cabinet with main fuses E50 4-9
432 A1010 printed circuit board 4-10
Operating Manual
EP 934 C / 10361769 0 – 3 MJFCIFSS
LFR/en/Edition: 05 / 2010
5 Maintenance 5-1
51 Access doors for maintenance 5-1
511 Overview of access doors 5-1
512 Door retaining rods 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 volume and lubricant chart 5-4
55 Lubricants and fluids specification 5-7
551 Lubricant for motor bearing 5-7
552 Heating fluid system 5-8
553 Checking heating fluid, adjusting mixing ratio 5-11
554 Hydraulic oil 5-14
555 Lubricants for gearboxes 5-18
556 Grease 5-20
557 Lubricants and care products for electrical and mechanical components 5-20
56 Electric motor 5-21
561 Type plate 5-21
562 Regular maintenance tasks 5-22
563 Preventive maintenance measures 5-24
564 Reversible fan (optional extra) 5-26
57 Hydraulic system 5-26
571 Depressurising the hydraulic system 5-27
572 Checking oil level in hydraulic tank; emptying and refilling tank 5-28
573 Checking and cleaning oil cooling system 5-31
574 Return filter 5-32
575 Leak oil filter 5-33
576 Control oil filter 5-34
577 Feed line filter of the slewing gear circuit 5-35
578 Control circuit 5-35
579 Bleeding the hydraulic pumps 5-36
5710 Bleeding the hydraulic cylinders 5-39
5711 Disconnecting suction hose of pump 5-40
5712 Breather filter on hydraulic tank 5-41
5713 Bypass oil filter for hydraulic system (Special equipment) 5-42
5714 Return oil filter for hydraulic hammer (option) 5-43
5715 Servicing the hydraulic cylinder 5-44
5716 Replacing hydraulic hoses 5-45
58 Oil changes on components 5-46
581 General information 5-46
582 Swing gear – Oil level check and oil change 5-47
583 Splitterbox – Oil change 5-48
59 Electrical installation 5-49
591 Electrical rotary connection 5-49
592 24 V electrical system 5-51
593 Battery care (option) 5-51
594 Slip ring body (optional equipment) 5-52
510 Heating and air-conditioning system 5-53
5101 Recirculated and ambient air filters 5-53
5102 Heating system 5-54
5103 Air-conditioning system 5-55
511 Greasing the machine 5-59
5111 The centralized lubrication system 5-59
5112 Semi automatic and full automatic systems 5-60
5113 Operation of the semi automatic system 5-60
5114 Operation of the full automatic system 5-62
5115 Emergency lubrication with defective lubrication system 5-63
0 – 4
Operating Manual
EP 934 C / 10361769
MJFCIFSS
LFR/en/Edition: 05 / 2010
5116 To refill a grease container 5-64
5117 Changes in the lubrication circuit 5-65
5118 Greasing the grab (optional extra) 5-66
512 Quick-change systems 5-67
5121 Greasing the mechanical quick-change adapter (optional extra) 5-67
5122 Hydraulic quick-change adapter (optional extra) 5-67
5123 LIKUFIX (optional extra) 5-68
513 Check mounting bolts for tightness 5-69
5131 Mounting bolts of the counterweight 5-70
5132 Mounting screws of the swing ring 5-70
5133 Mounting screws of the hydraulic oil and fuel tank 5-71
5134 Mounting screws of the swing gear and motor 5-71
5135 Fixing bolts of catwalks around the upperstructure 5-71
514 Drive unit brakes and swing gear brakes 5-72
515 General maintenance points 5-72
5151 Replacing working parts 5-72
5152 Checking or replacing the teeth on the bucket 5-73
5153 Welding work on the machine 5-75
516 Inspection and maintenance schedule 5-75

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• This is the SAME exact manual used by the dealers to FIX your vehicle.
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