Liebherr Crawler dozer PR 776 Operator’s manual – PDF DOWNLOAD

Description

Liebherr Crawler dozer PR 776 Operator’s manual – PDF DOWNLOAD

FILE DETAILS:

Liebherr Crawler dozer PR 776 Operator’s manual – PDF DOWNLOAD

Language : English
Pages :366
Downloadable : Yes
File Type : PDF
Size: 78.0 MB

DESCRIPTION:

Product ID
Manufacturer:Liebherr-Hydraulikbagger GmbH
Type:PR 776
Type no :1296 (USA / CAN)
From Serial NO: 15137

Liebherr Crawler dozer PR 776 Operator’s manual – PDF DOWNLOAD

Preface

• This operator’s manual is intended for you as the operator or maintenance staff. It contains warnings, important information, and tips for working with the machine. It simplifies the process of familiarization and getting to know the machine and helps to avoid malfunctions caused by incorrect operation. Compliance with the operator’s manual increases the reliability and service life of the machine.
• The operator’s manual must be kept with the machine. Make sure that a copy is always kept close at hand in the workplace. Read the operator’s manual before putting it into service for the first time and subsequently at regular intervals. Everyone who carries out work with or on the machine must be familiar with and use this operator’s manual.
• Examples of this work include:

• The owner is responsible for supplementing the operator’s manual with instructions based on existing national regulations on accident prevention and environmental protection. In addition to this operator’s manual and the regulations on accident prevention applicable in the user’s country and at the place of use, it is also necessary to comply with the recognized technical rules on safety and technically proficient working.
• Some sections of this operator’s manual do not apply to all machines. Some illustrations in this operator’s manual may show details and implements that are different from your machine. In some illustrations, protective devices and covers have been removed to provide a clearer representation.
• Liebherr machines are subject to continuous improvement, which may result in changes to your machine that are not referred to in this operator’s manual yet. If you require further explanations or information, please contact Liebherr customer service. All documentation purchased for this machine, including the operator’s manual, maintenance manual, spare parts catalog, etc., is available from MyLiebherr for the entire service life of the machine.

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Liebherr Crawler dozer PR 776 Operator’s manual – PDF DOWNLOAD
1 Product description 15
1.1 Technical description 15
1.1.1 Design overview 15
1.2 Technical data 18
1.2.1 Vibrations 18
1.2.2 Sound level 19
1.2.3 Maximum operating mass 19
1.2.4 Diesel engine 19
1.2.5 Travei drive and control system 20
1.2.6 Working hydraulics 21
1.2.7 Operator’s cab 21
1.2.8 Undercarriage 21
1.2.9 Pull force 21
1.2.10 Basic machine dimensions 22
1.2.11 Front equipment 23
1.2.12 Rear equipment 25
1.3 Warranty conditions 27
1.3.1 Additional information 27
1.3.2 Warranty declaration, emission limits, warranty rights and obligations 27
1.3.3 Warranty coverage from manufacturer 28
1.3.4 Warranty obligations of the owner 28
1.3.5 Warranty 28
1.4.2 Tightening torque for cutting edges, end bits and adapters 36
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Contents Operator’s manual
2 Safety guidelines, signs 37
2.1 Designation of warning notes 37
2.1.1 Additional rules and guidelines 38
2.2 Symbols in the operator’s manual 38
2.3 Proper use 38
2.3.1 Laws, rules, guidelines and safety regulations 38
2.3.2 lntended use 38
2.3.3 Foreseeable misuse 39
2.3.4 Hazard zone of the machine 40
2.3.5 Operating conditions 41
2.3.6 Disposal 42
2.4 Description of personnel 43
2.4.1 Personal protective equipment 43
2.4.2 Requirements for personnel 43
2.4.3 Operator 44
2.4.4 Operator 44
2.4.5 Maintenance staff 45
2.4.6 Guide 46
2.5 Signs on the machine 46
2.5.1 Safety signs 46
2.5.2 lnformation signs 56
2.5.3 Type plates 65
2.6 Safety instructions 65
2.6.1 General safety instructions 65
2.6.2 Safety guidelines for crushing and bum prevention 66
2.6.3 Safety guidelines for fire and explosion prevention 67
2.6.4 Safety instructions for machine start up 67
2.6.5 Safety guidelines for start up 68
2.6.10 Safety instructions for maintenance 70
2.6.11 Safety guidelines for welding work on machine 73
2.6.12 Safety guidelines for working on attachment 73
copyright© Liebherr-Wer1< Telfs GmbH 2020
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Operator’s manual Contents
2.6.13 Safety guidelines for loading machine with a crane 73
2.6.14 Safety notes for maintenance of hydraulic hoses and hose lines 74
2.6.15 Safety guidelines for maintenance work on machines with hydro accumulators
74
2.6.16 Roll over protection (ROPS) and falling object protection (FOPS) 75
2.6.17 Equipment and attachment parts 76
2.6.18 Protection from vibrations 76
2.6.19 See and be seen 77
2.6.20 Safety notes for Diesel engines with electronic contrai units 79
2.6.21 Safety notes for working on Common Rail System of Diesel engines 79
3 Control, operation 81
3.1 Operating and contrai elements 81
3.1.1 Overview of operator’s cab 81
3.1.2 Contrai elements in the operator’s cab 82
3.1.3 Display unit 89
3.1.4 Externa! operating hour meter (option) 129
3.2 Operation 130
3.2.1 Battery main switch 130
3.2.2 Startup circuit interruption (option) 131
3.2.3 Access light 132
3.2.4 Entering and exiting the machine 133
3.2.5 Access ladder (option) 134
3.2.6 Emergency exit 136
3.2.7 Using emergency hammer (option) 137
3.2.8 Doorlock 137
3.2.9 Premium operator’s seat 139
3.2.10 Safety belt 145
~ 3.2.15 Auxiliary heating (option) 157
3.2.16 Coolant preheating 230V (option) 160
3.2.17 Coolant preheating 11 0V (option) 162
copyright© Liebherr-Werk Telfs GmbH 2020
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Contents Operator’s manual
3.2.18 Sliding window 164
3.2.19 Sun blind 165
3.2.20 Interior lighting of cab 165
3.2.21 lnside mirror 166
3.2.22 Electrical windscreen wiper system and windscreen washer system 166
3.2.23 Compartment for documentation 169
3.2.24 Turn the engine compartment lighting on 169
3.2.25 Reversing warning device 170
3.2.26 Disengageable reversing warning device 171
3.2.27 Fire extinguisher 172
3.2.28 Assembly of third party installations in the cab 173
3.2.29 Rotating beacon 174
3.2.30 LiDAT (option) 174
3.3 Operation 175
3.3.1 Operating machine on a daily basis 175
3.3.2 Using the machine at low or high ambient temperaturas 181
3.3.3 Starting the diesel engine 182
3.3.4 Travei mode 187
3.3.5 Driving 196
3.3.6 Braking 200
3.3.7 Using the emergency stop button to stop and continue the operation 202
3.3.8 Using externa! emergency stop button to stop and continue the operation
(option) 203
3.3.9 Taking machine out of service 204
3.3.10 Working in water 209
3.3.11 Working with attachment 209
3.3.12 Working with optional attachments 219
3.4 Work methods 224
3.4.1 Grading 224 e:
copyright© Liebherr-Wer1< Telfs GmbH 2020
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Operator’s manual Contents
3.5.2 lnstall the bearing shells of the attachment 232
3.5.3 lnstalling and removing push frame with straight biade 234
3.6 Transport 246
3.6.1 Transporting machine by truck or rail 246
3.6.2 Loading the machine with a crane 255
3.7 Emergency operations 257
3.7.1 Emergency mode function 257
3.7.2 Towing the machine 257
3.7.3 Jump-starting the machine 265
4 Operating problems 271
4.1 Servicecodes 271
4.1.1 Service code – Display unit 271
4.2 Problems – Cause – Remedy 273
4.2.1 Diesel engine 273
4.2.2 Hydraulic system 275
4.2.3 Travei gear, tracks 276
4.2.4 Electrical system 276
4.2.5 Heating system 276
4.2.6 Working attachments 277
4.3 Problem remedy 278
4.3.1 Changing the fuses and relays 278
5 Maintenance 287
5.1 Maintenance and inspection schedule 287
5.2 Fill quantities, lubrication schedule 292
5.2.1 Recommended lubricants 292
5.2.2 Recommended fuel and operating fluids 293
Contents Operator’s manual
5.3.5 Hydraulic oil 302
5.3.6 Lube oils for splitterboxes 307
5.3.7 Lube oils for travei gearbox 308
5.3.8 Oil for duo cone (slipring) seal Travei gear 309
5.3.9 Oil for axle bearing 309
5.3.10 Grease and other lubricants 310
5.3.11 Oil for hinges and joints 311
5.5 Preparatory maintenance tasks 312
5.5.1 Safety instructions for maintenance 312
5.5.2 Maintenance position 312
5.5.3 Turn the electrical system off 315
5.6 Overall machine 317
5.6.1 Lubricating all lube points according to lubrication chart 317
5.6.2 Checking the window wiper 317
5.7 Diesel engine 318
5.7.1 Diesel engine: checking oil level 318
5.7.2 Checking the diesel engine configuration and the belly pans for contamination
and cleaning them 319
5.8 Cooling system 321
5.8.1 Check the coolant level and refill 321
5.8.2 Check the cooling system for contamination and clean it 323
5.9 Fuel system 326
5.9.1 Notes for work on the fuel system 326
5.9.2 Fuel preliminary filter: Drain the condensation 326
5.9.3 Fuel tank: Drain condensation and sediments 327
5.9.4 Empty and clean the fuel tank 328
5.10 Air filter system 331
5.10.1 Replacing the air filter 331
5.11 Hydraulic system 334 e:
5.13.1 Check the display unit and lighting 339
5.13.2 Change the light bulbs 339
copyright© Liebherr-Wer1< Telfs GmbH 2020
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Operator’s manual Contents
5.14 Heater, ventilation, air conditioning system 340
5.14.1 lnspection of the air conditioning system by HVAC specialist staff 340
5.14.2 To check the capacitar 340
5.15 Drive gear 341
5.15.1 Travei gearbox: checking the condition 341
5.15.2 Check the oil level in the duo cone (slipring) area 341
5.16 Track components 343
5.16.1 Checking that the nuts and bolts of the travei gear components are
firmly seated 343
5.16.2 Checking and adjusting the track tension 344
5.16.3 Greasing equaliser bar bearing 348
5.17 Working attachment 350
5.17.1 Checking the cutting edges, corners and ripper teeth for wear 350
5.17.2 Lubricate the working attachment and hoist cylinder bearing 350
5.17.3 Checking the mounting screws and pin retainers of the working attachment
for tight seating 351
5.17.4 Removing and installing the ripper tooth tips 351
5.18 Cleaning the machine 356
5.18.1 Wet cleaning the machine 356
5.19 Preservation tasks 358
5.19.1 Protecting the piston rods 358
5.19.2 Taking the machine out of service 358
lndex 359
copyright© Liebherr-Werk Telfs GmbH 2020
PR776-1296

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• This is the same manual used by the dealers to diagnose and troubleshoot your vehicle
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