Liebherr Crawler Loaders PR712 to PR752 Service Manual

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Liebherr Crawler Loaders PR712 to PR752 Service Manual
Size: 77.79 MB
Format: PDF
Language: English
Brand: Liebherr
Type of Machine: Crawler Loaders
Type of Manual: Service Manual, Electric and Hydraulic Diagrams
Model: Liebherr
PR 712 F/N xxx-0103→0500
PR 712B F/N xxx-0501→2999
PR 712B F/N xxx-3000→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 xxx-2002→5599
PR 752 F/N xxx-5600→6199
PR 752 F/N xxx-6200→
Publication Date: 2009
Number of Pages: 1718 Pages

Contents:
1 General Information

Foreword and explanation​

Safety guidelines​

Hand signals​

Service items​

Table - charts​

Code letters + terminal designations​

2 Special Tools, Application Guidelines

Special tools​

Repair welding​

Installation guidelines​

3 Technical Data - Maintenance Guidelines

Technical data​

Maintenance and inspection guidelines​

Maintenance and inspection instructions​

Adjustment checklist and quick reference​

4 Engine

Technical data LH engine​

Power, torque LH engine​

Fan and cylinder configuration LH Diesel engine​

Remove and Install Engine fan​

5 Coupling and Splitter Box

Technical data couling and splitter box​

Coupling​

Splitter box​

6 Travel Hydraulic

Technical data​

Description​

Function / Schematics​

Hydraulic hose routing​

Test and adjustment​

7 Working Hydraulic

Technical data​

Description​

Function / Schematics​

Hydraulic hose routing​

Test and adjustment​

8 Hydraulic Components

Variable pump travel hydraulic​

Variable motor travel hydraulic​

Variable flow pump working hydraulic​

Constant pumps and motors​

Pilot control valve working hydraulic​

Control valve block​

Valves​

Hydraulic cylinder​

9 Electrical System

Current flow diagram​

Electrical schematic and wiring​

Instrument panel​

Location of electrical components​

10 Electronic Control

Electrical schematic and wiring​

Description of function​

Diagnostic test box application​

Linkage Electronic engine speed sensing horsepower control system​

Pedal control tester application​

Travel control joystick​

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​

Front idler​

Track adjuster unit​

Track roller​

Carrier roller​

Track roller frame​

Support shaft preassembled​

13 Attachments - front

Attachment - straight- / semi-U-blade​

Attachment - 6-way-blade​

14 Attachments - rear

Attachment - ripper​

Attachment - cable winch​

15 Main Frame - Add On Components

Cooler / radiator arrangement​

Lift cylinder mount​

Engine mounts​

Equalizer bar​

16 Tank Installation's

Hydraulic tank​

Fuel tank​

Battery box​

17 Operators Platform, Heater, Air Conditioner

Hydraulic tilting device​

Heater and blower​

Engine operation​

Air conditioner​

18 Special Attachments

Electrical schematic - canopy​

Refueling pump​

Electrical schematics - additional lights​

Electrical schematics - additional heaters​

Operator's seat with air suspension​

Hydraulic oil temperature gauge​

Reversible fans​

19 Miscellaneous Informations

Storage (preservation) guidelines​

Material classification​

Weight of materials​