Liebherr Crawler dozer PR 726 Operator’s manual – PDF DOWNLOAD

Description

Liebherr Crawler dozer PR 726 Operator’s manual – PDF DOWNLOAD

FILE DETAILS:

Liebherr Crawler dozer PR 726 Operator’s manual – PDF DOWNLOAD

Language : English
Pages :344
Downloadable : Yes
File Type : PDF
Size: 74.9 MB

DESCRIPTION:

Product ID
Manufacturer:Liebherr-Hydraulikbagger GmbH
Type: PR 726c
Type no : 1793 05_G8.0, 1793 4F G8.0 (USA/ CAN)
From Serial NO:18370

Liebherr Crawler dozer PR 726 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 726 Operator’s manual – PDF DOWNLOAD

Technical description
1.1.1 Overview of the complete machine
Technical data
1.2.1 Vibrations
1.2.2 CO2 emissions of the diesel engine
1.2.3 Sound level
1.2.4 Maximum operating mass
1.2.5 Diesel engine
1.2.6 Travei drive and control system
1.2.7 Working hydraulics
1.2.8 Operator’s cab
1.2.9 Undercarriage
1.2.10 Pull force
1.2.11 Basic machine dimensions
1.2.12 Front equipment
1.2.13 Rear equipment
Warranty conditions
1.3.1 Additional information
1.3.2 Warranty declaration, emission limits, warranty rights and obligations
1.3.3 Warranty coverage from manufacturer
1.3.4 Warranty obligations of the owner
1.3.5 Warranty
1.3.6 Warranty parts
1.3.7 Exclusions
Tightening torques
1.4.1 Preload values and tightening torques for screws with standard and fine
metric thread according to DIN ISO 261
1.4.2 Tightening torque for cutting edges, end bits and adapters
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 47
2.5.2 lnformation signs 51
2.5.3 ldentification plates 56
2.6 Safety instructions 57
2.6.1 General safety instructions 57
2.6.2 Safety guidelines for crushing and bum prevention 58
2.6.3 Safety guidelines for tire and explosion prevention 58
2.6.4 Safety instructions for machine start up 59
2.6.5 Safety guidelines for start up 59
2.6.13 Safety guidelines for loading machine with a crane
2.6.14 Safety notes for maintenance of hydraulic hoses and hose lines
2.6.15 Safety guidelines for maintenance work on machines with hydro accumulators
2.6.16 Roll over protection (ROPS) and falling object protection (FOPS)
2.6.17 Equipment and attachment parts
2.6.18 Protection from vibrations
2.6.19 See and be seen
2.6.20 Safety notes for Diesel engines with electronic contrai units
2.6.21 Safety notes for working on Common Rail System of Diesel engines
Operating and contrai elements
3.1.1 Overview of operator’s cab
3.1.2 Contrai elements in the operator’s cab
3.1.3 Exhaust gas treatment
Display
3.2.1 Display
3.2.2 Service codes menu
3.2.3 Status symbols
3.2.4 Warning symbols
3.2.5 Start page menu
3.2.6 Camera (option) menu
3.2.7 Diesel engine menu
3.2.8 Operator’s cab menu
3.2.9 Function settings menu
3.2.10 lnformation menu
3.2.11 System settings menu
Operation
3.3.1 Battery main switch
3.3.2 Entry and exit lighting
3.3.3 Entering and exiting the machine
3.3.4 Emergency exit
3.3.5 Doorlock
3.3.6 Standard operator’s seat
3.3.7 Operator’s seat with pneumatic comfort suspension 117
3.3.8 Premium operator’s seat (option) 124
3.3.9 Premium ISRI (option) operator’s seat 131
3.3.10 Safety belt 137
3.3.11 Adjusting armrest and footrest 140
3.3.12 Heating and air conditioning unit 141
3.3.13 Auxiliary heater (option) 144
3.3.14 Sliding window 146
3.3.15 Interior lighting of operator’s cab 146
3.3.16 Interior mirrar 147
3.3.17 Windscreen wiper and windscreen washer system 147
3.3.18 Storage net for documentation 149
3.3.19 Turning on the engine compartment lighting 149
3.3.20 Acoustic reversing warning device (option) 150
3.3.21 Fire extinguisher (option) 151
3.3.22 Beacon (option) 151
3.3.23 LiDAT 151
3.4 Operation 152
3.4.1 Operating machine on a daily basis 152
3.4.2 Using the machine at low or high ambient temperatures 162
3.4.3 Starting the diesel engine 162
3.4.4 Travei mode 166
3.4.5 Driving 174
3.4.6 Braking 178
3.4.7 Using the emergency stop button to stop and continue the operation 181
3.4.8 Taking machine out of service 181
3.4.9 Working in water 184
3.4.10 Working with working attachment 185
3.4.15 Preparation for machine contrai (option)
3.5 Work methods 219
3.5.1 Grading 219
3.5.2 Fine grading 220
3.5.3 Using several machines simultaneously 221
3.5.4 Digging and banking up trenches 222
3.5.5 Land clearing 223
3.5.6 Ripping 225
3. 6 lnstall and remove the attachment 227
3.6.1 lnstallation guidelines for installation and removal of working attachment
3.6.2 lnstalling and removing the 6-way biade
3.7 Transport
3.7.1 Transporting machine by truck or rail
3.7.2 Loading the machine with a crane
3.8 Emergency operations
3.8.1 Emergency mode function
3.8.2 Towing the machine
3.8.3 Jump start procedure
Operating problems
4.1 Problems – Cause – Remedy
4.1.1 Diesel engine
4.1.2 Hydraulic system
4.1.3 Undercarriage
4.1.4 Electrical system
4.1.5 Heating
4.1.6 Working attachment
4.1.7 Electronic immobiliser (option)
4.1.8 Central lubrication system (option)
4.2 Problem remedy
4.2.1 Changing fuses
Maintenance
5.1 Maintenance and inspection schedule
5.2 Fill quantities, lubrication schedule
Recommended lubricants
Recommended fuel and operating fluids
Lubrication chart
Operator’s manual
5.2.4 Symbols in the lubrication chart 281
Lubricants and fuels 282
5.3.1 General information about lubricants and fuels 282
5.3.2 Diesel fuels 283
5.3.3 Engine oils 283
5.3.4 Coolant 285
5.3.5 Diesel exhaust fluids 287
5.3.6 Hydraulic oils 287
5.3.7 Lube oils for travei gearbox 289
5.3.8 Oil for duo cone (slipring) seal Travei gear 290
5.3.9 Oil for axle bearing 290
5.3.10 Grease and other lubricants 290
5.3.11 Oil for hinges and joints 292
Preparatory maintenance tasks 293
5.5.1 Safety instructions for maintenance 293
5.5.2 Maintenance position 293
Overall machine 297
5.6.1 Lubricating the machine 297
5.6.2 Checking and changing the windscreen wiper biade 297
5.6.3 Carrying out the maintenance and inspection for the optional equipment
in the scope of delivery according to the manufacturer’s operator’s
manual or manufacturer’s data 298
Diesel engine 299
5.7.1 Diesel engine: checking oil level 299
5.7.2 Checking the diesel engine configuration and the belly pan for contamination
and cleaning them
Cooling system
5.8.1 Checking the coolant level
5.8.2 Cleaning the cooling system
Fuel system
5.9.1 Notes for working on the fuel system
5.9.2 Draining fuel pre-filter condensation
5.9.3 Fuel tank: draining condensation and sediment
5.9.4 Emptying and cleaning the fuel tank
Air filter system
5.10.1 Replacing the air filter
Operator’s manual Contents
5.10.2 Air filter: checking dust discharge 315
5.11 Diesel particle filter 316
5.12 Hydraulic system 317
5.12.1 Checking oil level in the hydraulic tank and topping up oil 317
5.13 Electrical system 320
5.13.1 Lighting: checking for correct function 320
5.14 Heater, ventilation, air conditioning system 322
5.14.1 lnspection of the air conditioning system by HVAC specialist staff 322
5.14.2 Checking the condenser 322
5.15 Drive gear 323
5.15.1 Travei gearbox: checking the condition 323
5.15.2 Checking oil level in duo cone (slip ring) area 323
5.16 Track components 325
5.16.1 Checking that the nuts and bolts of the travei gear components are
firmly seated 325
5.16.2 Checking the track tension and adjusting, if necessary 326
5.17 Working attachment 330
5.17.1 Checking the cutting edges, corners and ripper teeth for wear 330
5.17.2 Checking the mounting screws and pin retainers of the working attachment
for tight seating 330
5.17.3 Removing and installing the ripper tooth tips 330
5.18 Cleaning the machine 335
5.18.1 Wet cleaning machine 335
5.19 Preservation tasks 337
5.19.1 Protecting the piston rods 337
5.19.2 Taking the machine out of service 337
lndex 339

 Questions? Email us: [email protected]

https://vimeo.com/824329148?share=copy

PLEASE NOTE:

• This is the SAME manual used by the dealers to troubleshoot any faults in your vehicle. This can be yours in 2 minutes after the payment is made.
• Contact us at [email protected] should you have any queries before your purchase or that you need any other service / repair / parts operators manual.

S.M