Liebherr PR 712-752 Series 2 Litronic Crawler Dozers Service Manual

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This complete service repair workshop manual PDF download for the PR 712-752 Series 2 Litronic Liebherr Crawler Dozers has easy to read text sections with top quality diagrams, pictures and illustrations. The step by step instructions show you how to fault find or complete any repair or overhaul, correctly and efficiently, saving time and avoiding costly mistakes. All specifications and tolerances are listed. Functions of components and systems are also explained.

This manual contains technical data, descriptions of design and function, repair and adjustment guidelines as well as numerous drawings, functional views and illustrations LIEBHERR - crawler dozers (PR), crawler loaders (LR) or pipelayers (RL).


APPLICABLE MODELS :

Liebherr PR 712-752 Series 2 Litronic Crawler Dozers


TABLE OF CONTENTS :

1. General Information
2. Special Tools, Application Guidelines
3. Technical Data - Maintenance Guidelines
4. Engine
5. Coupling and Splitter Box
6. Travel Hydraulic
7. Working Hydraulic
8. Hydraulic Components
9. Electrical System
10. Electronic Control
11. Travel Gear
12. Track Components
13. Attachments - front
14. Attachments - rear
15. Main Frame - Add On Components
16. Tank Installation's
17. Operators Platform, Heater, Air Conditioner
18. Special Attachments
19. Miscellaneous Informations


MANUAL SPECIFICATION :

File Format : PDF
Language : English
Printable : Yes
Searchable : Yes
Bookmarked : Yes
Total Pages : 1426


This service repair workshop manual PDF download contains specs, diagrams, actual real photo illustrations, and schemes. In addition to space savings, nice thing about having completly searcheble PDF files instead of a hard-printed manual is that you can use the Search feature in your PDF reader software (Adobe Acrobat) to find just what your looking for and just print out the exact pages you need or all manual easily. This is the same Repair Service manual your local dealer will use when doing a repair.

All pages are printable, so run off what you need & take it with you into the garage or workshop. Save money $$ by doing your own repairs! These manuals make it easy for any skill level with these very easy to follow, step-by-step instructions! Instant download means no shipping cost or waiting for a CD to arrive in the mailyou will receive this manual today via instant download on completion of payment via our secure payment processor. We accept all major credit/debit cards/paypal.

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    1 General Information
        Foreword and explanation
        Safety guidelines
        Hand signals
        Service items
        Table - charts
            Conversion table
            Tightening torques standard screws
            Tightening torques SAE screws
            Hole diameter before tapping
            Couplings
            ISO - tolerances
        Code letters + terminal designations
        
    2 Special Tools, Application Guidelines
        Special tools
            Special tools Liebherr Diesel engine
            Special tools general hydraulic repair
            Special tools hydraulic pressure testing
            Special tools hydraulic cylinder
            Special tools general - electric repair
            Special tools wiring harness
            Special tools mech. components
        Repair welding
        Installation guidelines
            Installation guidelines Duo-Cone-Seals
            Wiring installation guidelines ITT-Cannon plug
            Wiring installation guidelines Harting plug
            Wiring installation guidelines AMP plug
            
    3 Technical Data - Maintenance Guidelines
        Technical data
            PR 712   F/N xxx-0103-0500
            PR 712B F/N xxx-0501-2999
            PR 712B F/N xxx-3001-3083
            PR 712B F/N xxx-3084-5599
            PR 712B F/N xxx-5600-
            PR 722   F/N xxx-0103-1000
            PR 722B F/N xxx-1001-3000
            PR 722B F/N xxx-3001-3170
            PR 722B F/N xxx-3171-5599
            PR 722B F/N xxx-5600-
            PR 732   F/N xxx-2003-2500
            PR 732B F/N xxx-2501-2999
            PR 732B F/N xxx-3000-3135
            PR 732B F/N xxx-3136-5599
            PR 732B F/N xxx-5600-
            PR 742   F/N xxx-2001-2500
            PR 742B F/N xxx-2501-2999
            PR 742B F/N xxx-3000-3088
            PR 742B F/N xxx-3089-5233
            PR 742B F/N xxx-5234-5599
            PR 742B F/N xxx-5600-
            PR 752   F/N 324-2002-5599
            PR 752   F/N xxx-5600-6199
            PR 752   F/N xxx-6200-
        Maintenance and inspection guidelines
            3.2.10 Maintenance and inspection guidelines
            3.2.11 Maintenance and inspection guidelines
            3.2.12 Maintenance and inspection guidelines
            3.2.13 Maintenance and inspection guidelines
            3.2.14 Maintenance and inspection guidelines
            3.2.15 Maintenance and inspection guidelines
        Maintenance and inspection instructions
        Adjustment checklist and quick reference
            3.5.00 Adjustment checklist and quick reference
            3.5.01 Adjustment checklist and quick reference
            3.5.02 Adjustment checklist and quick reference
            3.5.03 Adjustment checklist and quick reference
            3.5.50 Adjustment checklist and quick reference
            3.5.51 Adjustment checklist and quick reference
            3.5.52 Adjustment checklist and quick reference
            
    4 Engine
        Technical data LH engine
            LH - engine in line
            LH - engine in line "E"
            LH - engine V-type
        Power, torque LH engine
            Power, torque LH - engine in line
            Power, torque LH - engine in line "E"
        Fan and cylinder configuration LH Diesel engine
        Remove and Install Engine fan
        
    5 Coupling and Splitter Box
        Technical data couling and splitter box
        Coupling
            5.2.10 Coupling
            5.2.30 Coupling
            5.2.50 Coupling
        Splitter box
            5.3.10 Splitter box
            5.3.30 Splitter box
            5.3.50 Splitter box
            5.3.51 Splitter box
            
    6 Travel Hydraulic
        Technical data
        Description
            Description PR 712 up to PR 742
            Description PR 752
        Function / Schematics
            6.3.10 Function
            6.3.10 Schematic
            6.3.11 Function
            6.3.11 Schematic
            6.3.12 Function
            6.3.12 Schematic
            6.3.30 Function
            6.3.30 Schematic
            6.3.31 Function
            6.3.31 Schematic
            6.3.32 Function
            6.3.32 Schematic
            6.3.33 Function
            6.3.33 Schematic
            6.3.40 Function
            6.3.40 Schematic
            6.3.41 Schematic
            6.3.42 Function
            6.3.42 Schematic
            6.3.50 Function
            6.3.50 Schematic
            6.3.51 Function
            6.3.51 Schematic
            6.3.52 Function
            6.3.52 Schematic
            6.3.53 Function
            6.3.53 Schematic
        Hydraulic hose routing
            Installation guidelines travel motor - high pressure hoses
            6.4.10 Hydraulic hose routing
            6.4.30 Hydraulic hose routing
            6.4.40 Hydraulic hose routing
        Test and adjustment
        
    7 Working Hydraulic
        Technical data
        Description
        Function / Schematics
            7.3.10 Function
            7.3.10 Schematic
            7.3.11 Function
            7.3.11 Schematic
            7.3.12 Function
            7.3.12 Schematic
            7.3.30 Function
            7.3.30 Schematic
            7.3.40 Function
            7.3.40 Schematic
            7.3.50 Function
            7.3.50 Schematic
            7.3.51 Function
            7.3.51 Schematic
            7.3.52 Function
            7.3.52 Schematic
        Hydraulic hose routing
            7.4.10 Hydraulic hose routing
            7.4.30 Hydraulic hose routing
            7.4.40 Hydraulic hose routing
        Test and adjustment
        
    8 Hydraulic Components
        Variable pump travel hydraulic
            8.1.01 Intermediate flange
            8.1.10 Variable pump
            8.1.40 Variable pump
            8.1.41 Variable pump
            8.1.50 Variable pump
        Variable motor travel hydraulic
            8.2.10 Variable motor
            8.2.30 Variable motor
            8.2.50 Variable motor
        Variable flow pump working hydraulic
            8.3.10 Variable flow pump
            8.3.40 Variable flow pump
        Constant pumps and motors
            Gear pump travel hydraulic
            Axial piston - constant motor fan drive
        Pilot control valve working hydraulic
            Description, function pilot control valve 4-way
            Adjustment, repair pilot control valve 4-way
            8.5.03 Pilot control valve 2-way
            8.5.10 Pilot control valve 4-way
            8.5.40 Pilot control valve 4-way
        Control valve block
            8.6.10 Control valve block
            8.6.11 Control valve block
            8.6.12 Control valve block
            8.6.50 Control valve block
            8.6.51 Control valve block
        Valves
            Overview
            Pressure valves
            Directional valves
            Shut off valves
            Other valves
        Hydraulic cylinder
        
    9 Electrical System
        Current flow diagram
            9.1.10 Current flow diagram
            9.1.11 Current flow diagram
            9.1.12 Current flow diagram
            9.1.13 Current flow diagram
            9.1.14 Current flow diagram
            9.1.15 Current flow diagram
            9.1.16 Current flow diagram
            9.1.30 Current flow diagram
            9.1.31 Current flow diagram
            9.1.50 Current flow diagram
            9.1.51 Current flow diagram
            9.1.52 Current flow diagram
            9.1.53 Current flow diagram
        Electrical schematic and wiring
            9.2.10 Wiring
            9.2.10 Electrical schematic
            9.2.11 Wiring
            9.2.11 Electrical schematic
            9.2.12 Wiring
            9.2.12 Electrical schematic
            9.2.13 Wiring
            9.2.13 Electrical schematic
            9.2.14 Wiring
            9.2.14 Electrical schematic
            9.2.15 Wiring
            9.2.15 Electrical schematic
            9.2.16 Wiring
            9.2.16 Electrical schematic
            9.2.17 Wiring
            9.2.17 Electrical schematic
            9.2.18 Wiring
            9.2.18 Electrical schematic
            9.2.19 Wiring
            9.2.19 Electrical schematic
            9.2.30 Wiring
            9.2.30 Electrical schematic
            9.2.31 Wiring
            9.2.31 Electrical schematic
            9.2.32 Wiring
            9.2.32 Electrical schematic
            9.2.33 Wiring
            9.2.33 Electrical schematic
            9.2.40 Wiring
            9.2.40 Electrical schematic
            9.2.41 Wiring
            9.2.41 Electrical schematic
            9.2.50 Wiring
            9.2.50 Electrical schematic
            9.2.51 Wiring
            9.2.51 Electrical schematic
            9.2.52 Wiring
            9.2.52 Electrical schematic
            9.2.53 Wiring
            9.2.53 Electrical schematic
            9.2.54 Wiring
            9.2.54 Electrical schematic
            9.2.55 Wiring
            9.2.55 Electrical schematic
            9.2.56 Wiring
            9.2.56 Electrical schematic
        Instrument panel
            9.3.10 Instrument panel
            9.3.11 Instrument panel
            9.3.12 Instrument panel
            9.3.13 Instrument panel
            9.3.14 Instrument panel
            9.3.15 Instrument panel
            9.3.16 Instrument panel
            9.3.17 Instrument panel
            9.3.18 Instrument panel
            9.3.19 Instrument panel
            9.3.40 Instrument panel
            9.3.41 Instrument panel
            9.3.50 Instrument panel
            9.3.51 Instrument panel
            9.3.52 Instrument panel
            9.3.53 Instrument panel
            9.3.54 Instrument panel
            9.3.55 Instrument panel
        Location of electrical components
        
    10 Electronic Control
        Electrical schematic and wiring
            10.2.10 Wiring
            10.2.10 Electrical schematic - electronics
            10.2.11 Wiring
            10.2.11 Electrical schematic - electronics
            10.2.12 Wiring
            10.2.12 Electrical schematic - electronics
            10.2.13 Wiring
            10.2.13 Electrical schematic - electronics
            10.2.40 Wiring
            10.2.40 Electrical schematic - electronics
            10.2.50 Wiring
            10.2.50 Electrical schematic - electronics
            10.2.51 Wiring
            10.2.51 Electrical schematic - electronics
            10.2.52 Wiring
            10.2.52 Electrical schematic - electronics
        Description of function
        Diagnostic test box application
        Linkage Electronic engine speed sensing horsepower control system
        Pedal control tester application
        Travel control joystick
            10.7.10 Travel control joystick
            10.7.11 Travel control joystick
            10.7.12 Travel control joystick 3 ranges
            
    11 Travel Gear
        Technical data
        Construction, function travel gear
        Remove and install
        11.3.10 Travel gear type A
        11.3.11 Travel gear type A
        11.3.12 Travel gear type A
        11.3.13 Travel gear type C
        11.3.14 Travel gear type P
        11.3.15 Travel gear type P-D
        11.3.16 Travel gear type D
        11.3.17 Travel gear type D
        11.3.50 Travel gear PR 752
        11.3.51 Travel gear PR 752
        11.3.52 Travel gear PR 752
        
    12 Track Components
        Technical data
        Description, function, wear effects
        Measuring instructions and evaluation of wear
        Appraisal report
        Wear chart
            PR 712   F/N xxx-0103-0500
            PR 712B F/N xxx-0501-
            PR 722   F/N xxx-0103-1000
            PR 722B F/N xxx-1001-
            PR 722B F/N xxx-5xxx-
            PR 732   F/N xxx-2003-2500
            PR 732B F/N xxx-2501-
            PR 732B F/N xxx-5xxx-
            PR 742   F/N xxx-2001-2500
            PR 742B F/N xxx-2501-
            PR 742B F/N xxx-5xxx-
            PR 752   F/N xxx-2001-5071
            PR 752   F/N xxx-5072-
        Front idler
            Front idler PR 712-PR 742
            Idler guide / Yoke assembly PR 712 F/N xxx-0103-
            Idler guide / Yoke assembly PR 722 - PR 742
            Idler unit PR 722B F/N xxx-3017-
            Idler unit PR 732B F/N xxx-3094-
            Front idler PR 752 F/N xxx-2002-7421
            Front idler PR 752 F/N xxx-7422-
        Track adjuster unit
            Track adjuster unit PR 712-PR 742
            Track adjuster unit PR 722-PR 732
            Track adjuster unit PR 752
        Track roller
            Track roller PR 712-PR 742
            Track roller PR 752 F/N xxx-2002-5801
            Track roller PR 752 F/N xxx-5802-
        Carrier roller
        Track roller frame
            Track roller frame PR 712-PR 722
            Track roller frame PR 732-PR 742
        Support shaft preassembled
            Support shaft PR 712-PR 742
            Support shaft PR 752
            
    13 Attachments - front
        Attachment - straight- / semi-U-blade
            13.2.10 Straight- / semi-U-blade
            13.2.40 Blade with hydraulic pitch angle adjustment
            13.2.50 Semi-U-blade with hydraulic pitch angle adjustment
            13.2.51 Semi-U-blade with hydraulic pitch angle adjustment
        Attachment - 6-way-blade
        
    14 Attachments - rear
        Attachment - ripper
            14.2.10 Ripper
            14.2.11 Ripper
            14.2.50 Ripper
            14.2.51 Ripper
        Attachment - cable winch
        
    15 Main Frame - Add On Components
        Cooler / radiator arrangement
        Lift cylinder mount
        Engine mounts
        Equalizer bar
            15.4.10 Equalizer bar
            15.4.50 Equalizer bar
            
    16 Tank Installation's
        Hydraulic tank
            16.1.10 Hydraulic tank
            16.1.11 Hydraulic tank
            16.1.30 Hydraulic tank
            16.1.50 Hydraulic tank
        Fuel tank
            16.2.10 Fuel tank
            16.2.50 Fuel tank
        Battery box
            16.3.10 Battery box
            16.3.50 Battery box
            
    17 Operators Platform, Heater, Air Conditioner
        Hydraulic tilting device
        Heater and blower
            Warm water heater with fresh air blower
            Heater and blower
        Engine operation
            17.4.10 Engine operation
            17.4.11 Engine operation
            17.4.50 Engine operation
            17.4.51 Engine operation
        Air conditioner
            17.5.10 Air conditioner
            17.5.11 Air conditioner
            17.5.11 Electrical schematic air conditioner
            17.4.11 Electrical schematic air conditioner
            
    18 Special Attachments
        Electrical schematic - canopy
        Refueling pump
        Electrical schematics - additional lights
            18.3.10 Arrangements - additional lights
            18.3.11 Arrangements - additional lights
            18.3.50 Arrangements - additional lights
        Electrical schematics - additional heaters
            18.4.40 Warm water heater WEBASTO
            18.4.50 Warm water heater WEBASTO
            18.4.50 Auxiliary heater EBERSBÄCHER
            18.4.50 Flame glow control unit
        Operator's seat with air suspension
            18.5.10 Operator's seat with air suspension
            18.5.40 Operator's seat with air suspension
        Hydraulic oil temperature gauge
            18.7.10 Hydraulic oil temperature gauge
            18.7.50 Hydraulic oil temperature gauge
        Reversible fans
            18.5.50 Reversible fans
            18.8.51 Reversible fans
            
    19 Miscellaneous Informations
        Storage (preservation) guidelines
        Material classification
        Weight of materials
        
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