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Liebherr Tractor PR 766 1421 (USA / CAN) Crawler Dozer Operator’s Manual 13666 – PDF DOWNLOAD
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Liebherr Tractor PR 766 1421 (USA / CAN) Crawler Dozer Operator’s Manual 13666 – PDF DOWNLOAD
Product ID
Manufacturer: Liebherr-Werk Telfs GmbH
Type: PR 766
Type no.: 1421 (USA/ CAN)
From Serial no.: 13666
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Description
Liebherr Tractor PR 766 1421 (USA / CAN) Crawler Dozer Operator’s Manual 13666 – PDF DOWNLOAD
FILE DETAILS:
Liebherr Tractor PR 766 1421 (USA / CAN) Crawler Dozer Operator’s Manual 13666 – PDF DOWNLOAD
Language : English
Pages : 336
Downloadable : Yes
File Type : PDF
Size: 71.1 MB
DESCRIPTION:
Liebherr Tractor PR 766 1421 (USA / CAN) Crawler Dozer Operator’s Manual 13666 – PDF DOWNLOAD
Product ID
Manufacturer: Liebherr-Werk Telfs GmbH
Type: PR 766
Type no.: 1421 (USA/ CAN)
From Serial no.: 13666
Preface:
This operator’s manual has been written for the operator and for the maintenance
staff of the machine.
It contains the descriptions for:
– Chapter 1 “Product description”
– Chapter 2 “Safety instructions”
– Chapter 3 “Control, operation”
– Chapter 4 “Malfunctions”
– Chapter 5 “Maintenance”
The operator’s manual must be read and used carefully by all persons who carry
out work with or on the machine before putting the machine into service for the first
time and later, at regular intervals.
Work with or on the machine includes, for example:
Operation including set up, troubleshooting during work procedure, disposal of production wastes, care, disposal of service and auxiliary materials.
Service including maintenance, inspection and repair work
Transport or loading the machine
This allows the machine operator to familiarize himself with the machine more
easily and prevent malfunctions due to improper operation.
Observation of the operator’s manual by maintenance staff:
– increases reliability in use
– extends the service life of your machine
– reduces repair costs and downtime
- The operator’s manual belongs with the machine. Make sure that a copy is
always readily available in the operator’s cab. - The operator’s manual should be supplemented with instructions for accident
prevention and environmental protection based on existing national regulations.
In addition to the operator’s manual and legally binding regulations on accident
prevention which apply in the user country and at point of use, authorized specialist
rules for safe and correct working procedures are also to be observed. - These operator’s manual contains all required information for control, operation
and maintenance of your machine. - Some illustrations in this operator’s manual may depict details and working devices
which differ to your machine. - In some illustrations, protective devices and covers have been removed in the
interests of better presentation. - Improvements, which are always being incorporated into our machines, may result
in changes to your machine which are not yet indicated in this operator’s manual. - If you need additional explanations or instructions, please don’t hesitate to contact
the Technical Documentation and Service Department.
IMAGES PREVIEW OF THE MANUAL:
TABLE OF CONTENTS:
Liebherr Tractor PR 766 1421 (USA / CAN) Crawler Dozer Operator’s Manual 13666 – 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 CO2 emissions of diesel engine 19
1.2.3 Sound level 20
1.2.4 Maximum operating mass 20
1.2.5 Diesel engine 20
1.2.6 Travel drive and control system 21
1.2.7 Working hydraulics 21
1.2.8 Operator’s cab 22
1.2.9 Undercarriage 22
1.2.10 Pull force 22
1.2.11 Basic machine dimensions 23
1.2.12 Front equipment 24
1.2.13 Rear equipment 26
1.3 Warranty conditions 29
1.3.1 Additional information 29
1.3.2 Warranty declaration, emission limits, warranty rights and obligations 29
1.3.3 Warranty coverage from manufacturer 30
1.3.4 Warranty obligations of the owner 30
1.3.5 Warranty 30
1.3.6 Warranty parts 31
1.3.7 Exclusions 31
1.4 Tightening torques 32
1.4.1 Preload values and tightening torques for screws with standard and fine
metric thread according to DIN ISO 261 32
1.4.2 Tightening torque for cutting edges, end bits and adapters 38
copyright© Liebherr-Werk Telfs GmbH 2019
PR766 / 13666 llEBHERR 7
Contents Operator’s manual
2 Safety guidelines, signs 39
2.1 Designation of warning notes 39
2.1.1 Additional rules and guidelines 40
2.2 Symbols in the operator’s manual 40
2.3 Proper use 40
2.3.1 Laws, rules, guidelines and safety regulations 40
2.3.2 Intended use 40
2.3.3 Foreseeable misuse 41
2.3.4 Danger area of the machine 42
2.3.5 Operating conditions 43
2.3.6 Disposal 44
2.4 Description of personnel 45
2.4.1 Personal protective equipment 45
2.4.2 Requirements for personnel 45
2.4.3 Operator 45
2.4.4 Operator 46
2.4.5 Maintenance staff 47
2.4.6 Guide 48
2.5 Signs on the machine 48
2.5.1 Safety signs 48
2.5.2 Information signs 58
2.5.3 Identification plates 67
2.6 Safety instructions 67
2.6.1 General safety instructions 67
2.6.2 Safety guidelines for crushing and burn prevention 68
2.6.3 Safety guidelines for fire and explosion prevention 69
2.6.4 Safety instructions for machine start up 69
2.6.5 Safety guidelines for start up 70
2.6.6 Safety guidelines for working 70 a,
2.6.7 Safety guidelines for turning machine off 71
2.6.8 Safety instructions for transporting machine 71
2.6.9 Safety instructions for towing machine 72
2.6.10 Safety instructions for maintenance 72
2.6.11 Safety guidelines for welding work on machine 75
2.6.12 Safety guidelines for working on attachment 75
2.6.13 Safety guidelines for loading machine with a crane 75
2.6.14 Safety notes for maintenance of hydraulic hoses and hose lines 76
2.6.15 Safety guidelines for maintenance work on machines with hydro accumulators
76
2.6.16 Roll over protection (ROPS) and falling object protection (FOPS) 77
2.6.17 Equipment and attachment parts 78
2.6.18 Protection from vibrations 78
2.6.19 See and be seen 79
2.6.20 Safety notes for Diesel engines with electronic control units 81
2.6.21 Safety notes for working on Common Rail System of Diesel engines 81
3 Control, operation 83
3.1 Operating and control elements 84
3.1.1 Operator’s cab 84
3.1.2 Control elements on the operator’s platform 86
3.1.3 Display unit 91
3.1.4 Exhaust gas treatment 130
3.2 Operation 133
3.2.1 Battery main switch 133
3.2.2 Access light 134
3.2.3 Entering and exiting the machine 135
3.2.4 Emergency exit 136
3.2.5 Door lock 137
3.2.6 Premium operator’s seat 139
3.2.7 Safety belt 145
3.2.8 Adjust the armrests and joysticks 147
3.2.9 Heating system 148
3.2.10 Air conditioning system 150
3.2.11 Sliding window 155 ,!1
3.2.12 Interior lighting of cab 155
3.2.13 Inside mirror 156
3.2.14 Electrical windscreen wiper system and windscreen washer system 156 ;;;
3.2.15 Turn the engine compartment lighting on 159
3.2.16 Fire extinguisher 159
3.2.17 Assembly of third party installations in the cab 160
copyright© Liebherr-Werk Telfs GmbH 2019
PR766 / 13666 llEBHERR 9
Contents Operator’s manual
3.2.18 LiDAT (option) 161
3.3 Operation 162
3.3.1 Operating machine on a daily basis 162
3.3.2 Adding diesel exhaust fluid 168
3.3.3 Using the machine at low or high ambient temperatures 170
3.3.4 Starting diesel engine 170
3.3.5 Travel mode 175
3.3.6 Driving 182
3.3.7 Braking 184
3.3.8 Taking the machine out of service 186
3.3.9 Working in water 191
3.3.10 Working with attachment 192
3.3.11 Working with optional attachments 200
3.4 Work methods 206
3.4.1 Grading 206
3.4.2 Fine grading 207
3.4.3 Using several machines simultaneously 208
3.4.4 Creating and banking up trenches 209
3.4.5 Land clearing 210
3.4.6 Ripping 212
3.5 Install and remove the attachment 214
3.5.1 Installation guidelines for installation and removal of working attachment
214
3.5.2 Install the bearing shells of the attachment 214
3.5.3 Install and remove the push frame with the straight blade 216
3.6 Transport 226
3.6.1 Transporting machine by truck or rail 226
3.6.2 Loading the machine with the crane 231
3.7 Emergency operations 234
3.7.1 Emergency mode function 234
3.7.2 Towing machine 234
3.7.3 Jump start procedure 243
4 Operating problems 245
4.1 Servicecodes 245
copyright© Liebherr-Well< Telfs GmbH 2019
10 llEBHERR PR766 / 13666
Operator’s manual Contents
4.1.1 Service code – Display unit 245
4.2 Problems – Cause – Remedy 247
4.3 Problem remedy 248
4.3.1 Fuses 248
4.3.2 Fuses and relays in the central electric compartment 250
5 Maintenance 257
5.1 Maintenance and inspection schedule 257
5.2 Fill quantities, lubrication schedule 263
5.2.1 Recommended lubricants 263
5.2.1 Recommended lubricants 263
5.2.2 Recommended fuel and operating fluids 263
5.2.3 Lubrication chart 264
5.2.4 Symbols in the lubrication chart 266
5.3 Lubricants and fuels 267
5.3.1 General information about lubricants and fuels 267
5.3.2 Diesel fuels 268
5.3.3 Engine oils 268
5.3.4 Coolant 269
5.3.5 Diesel exhaust fluid 270
5.3.6 Hydraulic oil 270
5.3.7 Lube oils for splitterboxes 275
5.3.8 Lube oils for travel gearbox 276
5.3.9 Oil for duo cone (slipring) seal Travel gear 277
5.3.10 Oil for axle bearing 278
5.3.11 Grease and other lubricants 278
5.3.12 Oil for hinges and joints 279
5.4 Take oil samples 280
Oil samples and oil analysis 280
5.5 Preparatory maintenance tasks 284 ~
5.5.1 Safety instructions for maintenance 284
5.5.2 Maintenance position 284
1.1 Technical description 15
1.1.1 Design overview 15
1.2 Technical data 18
1.2.1 Vibrations 18
1.2.2 CO2 emissions of diesel engine 19
1.2.3 Sound level 20
1.2.4 Maximum operating mass 20
1.2.5 Diesel engine 20
1.2.6 Travel drive and control system 21
1.2.7 Working hydraulics 21
1.2.8 Operator’s cab 22
1.2.9 Undercarriage 22
1.2.10 Pull force 22
1.2.11 Basic machine dimensions 23
1.2.12 Front equipment 24
1.2.13 Rear equipment 26
1.3 Warranty conditions 29
1.3.1 Additional information 29
1.3.2 Warranty declaration, emission limits, warranty rights and obligations 29
1.3.3 Warranty coverage from manufacturer 30
1.3.4 Warranty obligations of the owner 30
1.3.5 Warranty 30
1.3.6 Warranty parts 31
1.3.7 Exclusions 31
1.4 Tightening torques 32
1.4.1 Preload values and tightening torques for screws with standard and fine
metric thread according to DIN ISO 261 32
1.4.2 Tightening torque for cutting edges, end bits and adapters 38
copyright© Liebherr-Werk Telfs GmbH 2019
PR766 / 13666 llEBHERR 7
Contents Operator’s manual
2 Safety guidelines, signs 39
2.1 Designation of warning notes 39
2.1.1 Additional rules and guidelines 40
2.2 Symbols in the operator’s manual 40
2.3 Proper use 40
2.3.1 Laws, rules, guidelines and safety regulations 40
2.3.2 Intended use 40
2.3.3 Foreseeable misuse 41
2.3.4 Danger area of the machine 42
2.3.5 Operating conditions 43
2.3.6 Disposal 44
2.4 Description of personnel 45
2.4.1 Personal protective equipment 45
2.4.2 Requirements for personnel 45
2.4.3 Operator 45
2.4.4 Operator 46
2.4.5 Maintenance staff 47
2.4.6 Guide 48
2.5 Signs on the machine 48
2.5.1 Safety signs 48
2.5.2 Information signs 58
2.5.3 Identification plates 67
2.6 Safety instructions 67
2.6.1 General safety instructions 67
2.6.2 Safety guidelines for crushing and burn prevention 68
2.6.3 Safety guidelines for fire and explosion prevention 69
2.6.4 Safety instructions for machine start up 69
2.6.5 Safety guidelines for start up 70
2.6.6 Safety guidelines for working 70 a,
2.6.7 Safety guidelines for turning machine off 71
2.6.8 Safety instructions for transporting machine 71
2.6.9 Safety instructions for towing machine 72
2.6.10 Safety instructions for maintenance 72
2.6.11 Safety guidelines for welding work on machine 75
2.6.12 Safety guidelines for working on attachment 75
2.6.13 Safety guidelines for loading machine with a crane 75
2.6.14 Safety notes for maintenance of hydraulic hoses and hose lines 76
2.6.15 Safety guidelines for maintenance work on machines with hydro accumulators
76
2.6.16 Roll over protection (ROPS) and falling object protection (FOPS) 77
2.6.17 Equipment and attachment parts 78
2.6.18 Protection from vibrations 78
2.6.19 See and be seen 79
2.6.20 Safety notes for Diesel engines with electronic control units 81
2.6.21 Safety notes for working on Common Rail System of Diesel engines 81
3 Control, operation 83
3.1 Operating and control elements 84
3.1.1 Operator’s cab 84
3.1.2 Control elements on the operator’s platform 86
3.1.3 Display unit 91
3.1.4 Exhaust gas treatment 130
3.2 Operation 133
3.2.1 Battery main switch 133
3.2.2 Access light 134
3.2.3 Entering and exiting the machine 135
3.2.4 Emergency exit 136
3.2.5 Door lock 137
3.2.6 Premium operator’s seat 139
3.2.7 Safety belt 145
3.2.8 Adjust the armrests and joysticks 147
3.2.9 Heating system 148
3.2.10 Air conditioning system 150
3.2.11 Sliding window 155 ,!1
3.2.12 Interior lighting of cab 155
3.2.13 Inside mirror 156
3.2.14 Electrical windscreen wiper system and windscreen washer system 156 ;;;
3.2.15 Turn the engine compartment lighting on 159
3.2.16 Fire extinguisher 159
3.2.17 Assembly of third party installations in the cab 160
copyright© Liebherr-Werk Telfs GmbH 2019
PR766 / 13666 llEBHERR 9
Contents Operator’s manual
3.2.18 LiDAT (option) 161
3.3 Operation 162
3.3.1 Operating machine on a daily basis 162
3.3.2 Adding diesel exhaust fluid 168
3.3.3 Using the machine at low or high ambient temperatures 170
3.3.4 Starting diesel engine 170
3.3.5 Travel mode 175
3.3.6 Driving 182
3.3.7 Braking 184
3.3.8 Taking the machine out of service 186
3.3.9 Working in water 191
3.3.10 Working with attachment 192
3.3.11 Working with optional attachments 200
3.4 Work methods 206
3.4.1 Grading 206
3.4.2 Fine grading 207
3.4.3 Using several machines simultaneously 208
3.4.4 Creating and banking up trenches 209
3.4.5 Land clearing 210
3.4.6 Ripping 212
3.5 Install and remove the attachment 214
3.5.1 Installation guidelines for installation and removal of working attachment
214
3.5.2 Install the bearing shells of the attachment 214
3.5.3 Install and remove the push frame with the straight blade 216
3.6 Transport 226
3.6.1 Transporting machine by truck or rail 226
3.6.2 Loading the machine with the crane 231
3.7 Emergency operations 234
3.7.1 Emergency mode function 234
3.7.2 Towing machine 234
3.7.3 Jump start procedure 243
4 Operating problems 245
4.1 Servicecodes 245
copyright© Liebherr-Well< Telfs GmbH 2019
10 llEBHERR PR766 / 13666
Operator’s manual Contents
4.1.1 Service code – Display unit 245
4.2 Problems – Cause – Remedy 247
4.3 Problem remedy 248
4.3.1 Fuses 248
4.3.2 Fuses and relays in the central electric compartment 250
5 Maintenance 257
5.1 Maintenance and inspection schedule 257
5.2 Fill quantities, lubrication schedule 263
5.2.1 Recommended lubricants 263
5.2.1 Recommended lubricants 263
5.2.2 Recommended fuel and operating fluids 263
5.2.3 Lubrication chart 264
5.2.4 Symbols in the lubrication chart 266
5.3 Lubricants and fuels 267
5.3.1 General information about lubricants and fuels 267
5.3.2 Diesel fuels 268
5.3.3 Engine oils 268
5.3.4 Coolant 269
5.3.5 Diesel exhaust fluid 270
5.3.6 Hydraulic oil 270
5.3.7 Lube oils for splitterboxes 275
5.3.8 Lube oils for travel gearbox 276
5.3.9 Oil for duo cone (slipring) seal Travel gear 277
5.3.10 Oil for axle bearing 278
5.3.11 Grease and other lubricants 278
5.3.12 Oil for hinges and joints 279
5.4 Take oil samples 280
Oil samples and oil analysis 280
5.5 Preparatory maintenance tasks 284 ~
5.5.1 Safety instructions for maintenance 284
5.5.2 Maintenance position 284
5.5.3 Turn the electrical system off 287
5.6 Overall machine 288
5.6.1 Lubricating all lube points according to lubrication chart 288
5.6.2 Checking the window wiper 288
5.7 Diesel engine 289
5.7.1 Checking the engine oil level 289
5.7.2 Checking the diesel engine configuration and the belly pans for contamination
and cleaning them 290
5.8 Cooling system 291
5.8.1 Checking the coolant level and refilling 291
5.8.2 Cleaning the cooling system 293
5.9 Fuel system 296
5.9.1 Notes for work on the fuel system 296
5.9.2 Draining the fuel pre-filter condensation 296
5.9.3 Fuel tank: draining condensation and sediments 297
5.9.4 Emptying and cleaning the fuel tank 298
5.10 Air filter system 301
5.10.1 Replacing air filter 301
5.11 Hydraulic system 305
5.11.1 Checking the oil level in the hydraulic tank and topping up oil 305
5.12 Splitterbox 309
5.12.1 Splitter box: checking the oil level 309
5.13 Electrical system 310
5.13.1 Checking the display unit and lighting 310
5.13.2 Changing the light bulbs 310
5.14 Heater, ventilation, air conditioning system 311
5.14.1 Checking the condenser 311
5.15 Drive gear 312
5.15.1 Travel gearbox: checking the condition 312
5.15.2 Checking the oil level in the duo cone (slip ring) area 312
5.16 Track components 314
5.16.1 Checking the nuts and bolts of the travel gear components are firmly
seated 314 a
5.16.2 Checking and adjusting the track tension 315
5.16.3 Greasing equaliser bar bearing 319
5.17 Working attachment 321
5.17.1 Checking the cutting edges, corners and ripper tips for wear 321
5.17.2 Checking the mounting screws and pin retainers of the working attachment
for tight seating 321
PR766 / 13666
5.17.3 Removing and installing the ripper tooth tips
5.18 Cleaning the machine
5.18.1 Wet cleaning the machine
5.19 Preservation tasks
5.19.1 Protecting the piston rods
5.19.2 Taking the machine out of service
Index
5.6 Overall machine 288
5.6.1 Lubricating all lube points according to lubrication chart 288
5.6.2 Checking the window wiper 288
5.7 Diesel engine 289
5.7.1 Checking the engine oil level 289
5.7.2 Checking the diesel engine configuration and the belly pans for contamination
and cleaning them 290
5.8 Cooling system 291
5.8.1 Checking the coolant level and refilling 291
5.8.2 Cleaning the cooling system 293
5.9 Fuel system 296
5.9.1 Notes for work on the fuel system 296
5.9.2 Draining the fuel pre-filter condensation 296
5.9.3 Fuel tank: draining condensation and sediments 297
5.9.4 Emptying and cleaning the fuel tank 298
5.10 Air filter system 301
5.10.1 Replacing air filter 301
5.11 Hydraulic system 305
5.11.1 Checking the oil level in the hydraulic tank and topping up oil 305
5.12 Splitterbox 309
5.12.1 Splitter box: checking the oil level 309
5.13 Electrical system 310
5.13.1 Checking the display unit and lighting 310
5.13.2 Changing the light bulbs 310
5.14 Heater, ventilation, air conditioning system 311
5.14.1 Checking the condenser 311
5.15 Drive gear 312
5.15.1 Travel gearbox: checking the condition 312
5.15.2 Checking the oil level in the duo cone (slip ring) area 312
5.16 Track components 314
5.16.1 Checking the nuts and bolts of the travel gear components are firmly
seated 314 a
5.16.2 Checking and adjusting the track tension 315
5.16.3 Greasing equaliser bar bearing 319
5.17 Working attachment 321
5.17.1 Checking the cutting edges, corners and ripper tips for wear 321
5.17.2 Checking the mounting screws and pin retainers of the working attachment
for tight seating 321
PR766 / 13666
5.17.3 Removing and installing the ripper tooth tips
5.18 Cleaning the machine
5.18.1 Wet cleaning the machine
5.19 Preservation tasks
5.19.1 Protecting the piston rods
5.19.2 Taking the machine out of service
Index
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