Liebherr Hydraulic excavator A 312 Litronic Operating instructions Manual 37405 – PDF DOWNLOAD

Description

Liebherr Hydraulic excavator A 312 Litronic Operating instructions Manual 37405 – PDF DOWNLOAD

FILE DETAILS:

Liebherr Hydraulic excavator A 312 Litronic Operating instructions Manual 37405 – PDF DOWNLOAD

Language : English
Pages :227
Downloadable : Yes
File Type : PDF
Size:10.0 MB

DESCRIPTION: 

Liebherr Hydraulic excavator A 312 Litronic Operating instructions Manual 37405 – PDF DOWNLOAD

Product identification
Manufacturer: LIEBHERR Hydraulikbagger GmbH
Type: A 312 Litronic
Type no.: 719
Conformity: CE

Foreword

TABLE OF CONTENTS:

Liebherr Hydraulic excavator A 312 Litronic Operating instructions Manual 37405 – PDF DOWNLOAD

1 Product description 1-1
11 Assembly – Overview 1-1
111 Machine and construction equipment 1-1
112 Uppercarriage 1-2
113 Undercarriage 1-3
12 Technical data 1-3
2 Safety information, signs 2-1
21 Symbols in the operating instructions 2-1
22 Use in accordance with the regulations 2-2
23 Safety instructions 2-2
231 General Safety instructions 2-2
232 Crushing and burn prevention 2-4
233 Fire and explosion prevention 2-4
24 Signs on the machine 2-5
241 Introduction 2-5
242 Arrangement of signs 2-5
243 Explanation of signs 2-6
25 Identification tags on the machine 2-12
3 Control, operation 3-1
31 Operating and control elements 3-1
3-1
312 Arrangement of joysticks 3-3
313 Overview of control panel, right 3-4
314 Control panel functions 3-7
32 Operation 3-13
3-13
322 Safety lever 3-15
3-16
324 Adjusting the steering column 3-20
325 Front windshield 3-21
326 Sun visor 3-21
dow 3-22
328 Interior illumination 3-22
329 Fire extinguisher (option)* 3-23
3210 Windshield wiper 3-23
3211 Lighting 3-25
3212 Heating system / heating and air conditioning system (option) 3-26
33 Operation 3-29
331 Safety instructions 3-29
332 Starting / shutting down the machine 3-31
333 Jump start procedure 3-35
334 Travel operation 3-36
335 Travelling on public roads 3-38
336 Emergency gear shifting 3-40
337 Towing the machine 3-41
338 Disengaging transmission 3-42
339 Oscillating axle locking device 3-43
3310 Support 3-44
34 Working with the machine 3-46
341 Working with the machine safely 3-46
342 Sensor controlled low idle automatic 3-50
343 Operating the swing gear 3-50
Operating instructions
A 312 Litronic / 10443914 MJFCIFSS
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344 Fine control 3-52
345 Locking the superstructure 3-53
346 Working position 3-53
347 Joystick functions 3-54
348 Lowering the attachment when the engine is not running 3-56
349 Turning, rotating, locking and unlocking the attachments 3-57
3410 Accessory kits AHS 1, AHS 11 and AHS 12 (option) 3-58
3411 Adjusting the boom to side 3-61
3412 Overload warning device 3-64
35 Installation and removal of attachment parts 3-66
351 Safe installation and removal of attachment parts 3-66
352 Safe removal and installation of attachment pins 3-67
353 Installation and removal of digging tool 3-67
354 Attachment of grapple to bucket stick 3-69
355 Mechanical quick change adapter (option) 3-72
356 Hydraulic quick change adapter (option) 3-77
357 LIKUFIX Hydraulic coupling system (option) 3-83
36 General working methods 3-85
361 Tips for the proper operation of the machine preventing damage and wear 3-85
362 Preparation 3-85
363 Working with the backhoe bucket 3-87
364 Loading transport vehicle 3-88
365 Grading work 3-89
366 Working with grapples 3-90
367 Excavating and moving material with grapples 3-90
368 Working with the hydraulic hammer 3-91
369 Working with large and heavy attachments 3-93
3610 Load lifting operation 3-93
37 Transport 3-94
371 Transporting the machine safely 3-94
372 Transporting the machine on a flatbed trailer 3-95
373 Loading the machine with a crane 3-97
4 Malfunctions 4-1
41 Problems and remedies 4-2
411 Diesel engine and fuel system 4-2
412 Hydraulic system 4-3
413 Travel gear 4-4
414 Electrical system 4-4
415 Heating and Air conditioning system 4-5
416 Work attachment 4-5
42 Fuses and relays 4-5
421 Fuse box E50 4-6
422 Panel ignition switch 4-6
423 Panel, cab 4-7
424 Distributor plate 4-8
5 Maintenance 5-1
51 Maintaining the machine safely 5-1
511 General Safety instructions 5-1
512 Cleaning 5-1
513 Checking for cracks 5-2
514 Welding 5-3
515 Operating and service fluids 5-3
516 Repair 5-3
517 Electrical system 5-4
518 Pressure accumulator 5-4
Operating instructions
A 312 Litronic / 10443914 MJFCIFSS
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519 Hydraulic hoses and lines 5-5
5110 Rollover-protection features (ROPS) and falling-object protective systems (FOPS) 5-6
52 Maintenance access doors 5-6
521 Overview of access doors 5-6
522 Door lock 5-7
523 Engine hood release 5-8
53 Tires 5-8
531 Checking the tire pressure 5-9
532 Filling with foam 5-10
54 Lubricants and operating fluids 5-10
541 General information to change lubricants and operating fluids 5-10
542 Lubrication chart 5-12
543 Lubricant table 5-13
544 Fuels, lubricants and process chemicals 5-14
545 Fuels and lubricant for the diesel engine 5-15
546 Hydraulic oil 5-15
547 Grease and other process chemicals 5-20
55 Diesel engine 5-20
551 Check oil level 5-20
552 Changing the oil 5-21
56 Cooling system 5-21
561 Checking and cleaning the cooling system 5-21
562 Checking the coolant level 5-22
563 Anti-corrosion fluid and antifreeze 5-22
564 Changing water filters 5-23
565 Changing the coolant 5-23
57 Fuel system 5-25
571 Refuelling 5-25
572 Draining the water from the fuel tank 5-26
573 Emptying and cleaning the fuel tank 5-27
574 Fuel preliminary filter (type 1) 5-27
575 Fuel preliminary filter (type 2) 5-28
576 Replacing the fuel filter cartridge (fine filter) 5-29
58 Dry air filter 5-30
581 Changing the main element 5-30
582 Changing the safety element 5-31
583 Checking the filtered air line 5-32
59 Hydraulic system 5-32
591 Checking the oil level in the hydraulic tank 5-32
592 Relieving the pressure in the hydraulic system 5-33
593 Emptying and refilling the hydraulic tank 5-34
594 Return filter 5-35
595 Servo oil filter 5-36
596 Servo circuit 5-37
597 Bleeding the hydraulic pump 5-38
598 Servicing the hydraulic cylinder 5-39
599 Replacing hydraulic hoses 5-40
510 Changing the oil on components 5-40
5101 General notes 5-40
5102 Swin gear – oil change 5-41
5103 Transmission – oil change 5-42
5104 Steering and rigid axle – oil change 5-42
5105 Steering axle, wheel head – oil change 5-43
5-43
512 Electrical system 5-44
5121 Notes for electrical system 5-44
5122 Battery master switch 5-44
5123 Battery care 5-45
Operating instructions
A 312 Litronic / 10443914 MJFCIFSS
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5124 Slip ring assembly (option) 5-46
513 Heating system / heating and air conditioning system (option) 5-47
5131 Fresh air filter 5-47
5132 Heating system 5-48
5133 Air conditioning system (option) 5-48
514 Lubricating the machine 5-51
5141 Lubricating the swing gear 5-51
5142 Lubricating the attachment 5-52
5143 Lubricating the axles 5-52
5144 Lubricating the digging tool / bucket tilt device 5-53
5145 Lubricating the grapple (option) 5-53
515 Quick change systems (option) 5-54
5151 Lubricate the mechanical quick change adapter 5-54
5152 Hydraulic quick change adapter 5-55
5153 Hydraulic coupling 5-56
5154 LIKUFIX electric coupling 5-57
516 Parking and swing gear brake 5-58
517 General Maintenance points 5-59
5171 Replacing wear parts 5-59
5172 Replacing the teeth on the digging tool 5-59
5173 Welding work on the machine 5-60
518 Inspection and maintenance plan

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