Liebherr Crawler dozer PR 776 Operator’s Manual 15137 – PDF DOWNLOAD

Description

Liebherr Crawler dozer PR 776 Operator’s Manual 15137 – PDF DOWNLOAD

FILE DETAILS:

Liebherr Crawler dozer PR 776 Operator’s Manual 15137 – PDF DOWNLOAD

Language : English
Pages :368
Downloadable : Yes
File Type : PDF
Size: 77.1 MB 

DESCRIPTION:

Liebherr Crawler dozer PR 776 Operator’s Manual 15137 – PDF DOWNLOAD

Product 1D
Manufacturer: Liebherr-Werk Telfs GmbH
Type:PR 776
Type no.:1296
From Serial no.:15137

Foreword:

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Liebherr Crawler dozer PR 776 Operator’s Manual 15137 – PDF DOWNLOAD

1 Product description 17
1.1 Technical description 17
1.1.1 Design overview 17
1.2 Technical data 20
1.2.1 Vibrations 20
1.2.2 Sound level 21
1.2.3 Maximum operating mass 21
1.2.4 Diesel engine 21
1.2.5 Travei drive and control system 22
1.2.6 Working hydraulics 23
1.2.7 Operator’s cab 23
1.2.8 Undercarriage 23
1.2.9 Pull force 23
1.2.10 Basic machine dimensions 24
1.2.11 Front equipment 25
1.2.12 Rear equipment 27
1.3 Tightening torques 29
1.3.1 Preload values and tightening torques for screws with standard and fine
metric thread according to DIN ISO 261 29
1.3.2 Tightening torque for cutting edges, end bits and adapters 35
2 Safety guidelines, signs 37
2.1 Designation of warning notes 37
2.3.2 lntended use 38
2.3.3 Foreseeable misuse 39
2.3.4 Hazard zone of the machine 40
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Contents Operator’s manual
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 54
2.5.3 ldentification plates 62
2.6 Safety instructions 63
2.6.1 General safety instructions 63
2.6.2 Safety guidelines for crushing and burn prevention 64
2.6.3 Safety guidelines for fire and explosion prevention 65
2.6.4 Safety instructions for machine start up 65
2.6.5 Safety guidelines for start up 65
2.6.6 Safety guidelines for working 66
2.6.7 Safety guidelines for turning machine off 67
2.6.8 Safety instructions for transporting machine 67
2.6.9 Safety instructions for towing machine 68
2.6.10 Safety instructions for maintenance 68
2.6.11 Safety guidelines for welding work on machine 71
2.6.12 Safety guidelines for working on attachment 71
2.6.13 Safety guidelines for loading machine with a crane 71
2.6.14 Safety notes for maintenance of hydraulic hases and hose lines 72
2.6.19 See and be seen 74
2.6.20 Safety notes for Diesel engines with electronic contrai units 76
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Operator’s manual Contents
2.6.21 Safety notes for working on Common Rail System of Diesel engines 77
3 Control, operation 79
3.1 Operating and control elements 79
3.1.1 Overview of operator’s cab 79
3.1.2 Control elements in the operator’s cab 80
3.1.3 Display unit 87
3.1.4 Externa! operating hour meter (option) 127
3.2 Operation 128
3.2.1 Battery main switch 128
3.2.2 Startup circuit interruption (option) 129
3.2.3 Access light 130
3.2.4 Entering and exiting the machine 131
3.2.5 Access ladder (option) 132
3.2.6 Emergency exit 134
3.2.7 Using emergency hammer (option) 135
3.2.8 Doorlock 135
3.2.9 Premium operator’s seat 137
3.2.10 Safety belt 143
3.2.11 Adjusting armrest, control lever and footrest 145
3.2.12 Heating system 147
3.2.13 Air conditioning 149
3.2.14 Reversible fan for winter operation 154
3.2.15 Auxiliary heating (option) 155
3.2.16 Coolant preheating 230V (option) 158
3.2.17 Coolant preheating 110V (option) 160
3.2.18 Sliding window 162
3.2.19 Sun blind 163
~ 3.2.24 Tum the engine compartment lighting on 167
3.2.25 Reversing warning device 168
3.2.26 Disengageable reversing warning device 169
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Contents Operator’s manual
3.2.27 Fire extinguisher 170
3.2.28 Assembly of third party installations in the cab 171
3.2.29 Rotating beacon 172
3.2.30 LiDAT (option) 172
3.3 Operation 173
3.3.1 Operating machine on a daily basis 173
3.3.2 Using the machine at low or high ambient temperatures 179
3.3.3 Starting the diesel engine 180
3.3.4 Travei mode 185
3.3.5 Driving 194
3.3.6 Braking 198
3.3.7 Using the emergency stop button to stop and continue the operation 200
3.3.8 Using externa! emergency stop button to stop and continue the operation
(option) 201
3.3.9 Taking machine out of service 202
3.3.10 Working in water 207
3.3.11 Working with attachment 207
3.3.12 Working with optional attachments 217
3.4 Work methods 222
3.4.1 Grading 222
3.4.2 Using several machines simultaneously 223
3.4.3 Digging and banking up trenches 224
3.4.4 Land clearing 225
3.4.5 Ripping 227
3.5 lnstall and remove the attachment 230
3.5.1 lnstallation guidelines for installation and removal ofworking attachment
230
3.5.2 lnstall the bearing shells of the attachment 230
3.5.3 lnstalling and removing push frame with straight biade 232
3.7.1 Emergency mode function 255
3.7.2 Towing the machine 255
3.7.3 Jump-starting the machine 263
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Operator’s manual Contents
4 Operating problems 269
4.1 Servicecodes 269
4.1.1 Service code – Display unit 269
4.2 Problems – Cause – Remedy 271
4.2.1 Diesel engine 271
4.2.2 Hydraulic system 273
4.2.3 Travei gear, tracks 274
4.2.4 Electrical system 274
4.2.5 Heating system 274
4.2.6 Working attachments 275
4.3 Problem remedy 276
4.3.1 Changing the fuses and relays 276
5 Maintenance 285
5.1 Maintenance and inspection schedule 285
5.2 Fill quantities, lubrication schedule 290
5.2.1 Recommended lubricants 290
5.2.2 Recommended fuel and operating fluids 291
5.2.3 Lubrication chart 291
5.2.4 Symbols in the lubrication chart 293
5.3 Lubricants and fuels 294
5.3.1 General information about lubricants and fuels 294
5.3.2 Diesel fuels 294
5.3.3 Lubricating oils for Diesel engines 295
5.3.4 Coolant for Diesel engines 297
5.3.5 Hydraulic oil 300
5.3.6 Lube oils for splitterboxes 305
5.3.7 Lube oils for travei gearbox 306
5.4.1 Oil samples and oil analysis 310
5.5 Preparatory maintenance tasks 314
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Contents Operator’s manual
5.5.1 Safety instructions for maintenance 314
5.5.2 Maintenance position 314
5.5.3 Turn the electrical system off 317
5.6 Overall machine 319
5.6.1 Lubricating all lube points according to lubrication chart 319
5.6.2 Checking the window wiper 319
5.7 Diesel engine 320
5.7.1 Diesel engine: checking oil level 320
5.7.2 Checking the diesel engine configuration and the belly pans for contamination
and cleaning them 321
5.8 Cooling system 323
5.8.1 Check the coolant level and refill 323
5.8.2 Check the cooling system for contamination and clean it 325
5.9 Fuel system 328
5.9.1 Notes for work on the fuel system 328
5.9.2 Fuel preliminary filter: Drain the condensation 328
5.9.3 Fuel tank: Drain condensation and sediments 329
5.9.4 Empty and clean the fuel tank 330
5.10 Air filter system 333
5.10.1 Replacing the air filter 333
5.11 Hydraulic system 336
5.11.1 Checking the oil level in the hydraulic tank and topping up oil 336
5.12 Splitterbox 340
5.12.1 Splitterbox: Check the oil level 340
5.13 Electrical system 341
5.13.1 Check the display unit and lighting 341
5.13.2 Change the light bulbs 341
5.14 Heater, ventilation, air conditioning system 342
5.14.1 lnspection of the air conditioning system by HVAC specialist staff 342 e:
5.16 Track components 345
5.16.1 Checking that the nuts and bolts of the travei gear components are
firmly seated 345
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Operator’s manual
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5.16.2 Checking and adjusting the track tension
5.16.3 Greasing equaliser bar bearing
5.17 Working attachment
5.17.1 Checking the cutting edges, corners and ripper teeth for wear
5.17.2 Lubricate the working attachment and hoist cylinder bearing
5.17.3 Checking the mounting screws and pin retainers of the working attachment
for tight seating 353
5.17.4 Removing and installing the ripper tooth tips 353
5.18 Cleaning the machine 358
5.18.1 Wet cleaning the machine 358
5.19 Preservation tasks 360
5.19.1 Protecting the piston rods 360
5.19.2 Taking the machine out of service 360
lndex 361

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