Liebherr Crawler Dozer PR756-1312 Service Manual 9087212

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Liebherr Crawler Dozer PR756-1312 Service Manual 9087212
Size: 57.71 MB
Format: PDF
Language: English
Brand: Liebherr
Type of Machine: Crawler Dozer
Type of Manual: Service Manual, Electric and Hydraulic Diagrams
Model: Liebherr PR756-1312 Crawler Dozer
Order Number: 9087212
Publication Date: 2021
Number of Pages: 849 Pages

Contents:
010 Introduction

010.1 Safety instructions​

010.2 Special tools for maintenance and repair work​

010.3 Standards and specifications​

010.4 Conservation guidelines​

010.5 Repair welding​

010.6 Hydraulic symbols​

010.7 Electrical symbols​

010.8 Material weights​

020 Technical data

020.1 Complete machine​

020.2 Drive group​

020.3 Cooling system​

020.4 Working hydraulics​

020.5 Travel hydraulics​

020.6 Hydraulic components​

020.7 Electrical system​

020.8 Travel gearbox​

020.9 Travel gear, axles, tyres, drive shafts​

020.10 Working attachment​

030 Maintenance

030.1 Maintenance and inspection schedule​

030.2 Fill quantities and lubrication chart​

030.3 Lubricants and fuels​

030.4 Maintenance tasks​

030.5 Adjustment checklist​

030.6 Adjustment procedure​

040 Drive group

040.1 Diesel engine​

040.2 Clutch​

040.3 Splitter box​

040.4 Couplings - Pump output​

050 Cooling system

050.1 Cooling system, complete​

050.2 Cooler arrangement​

050.3 Hydraulic​

060 Working hydraulics

060.1 Working hydraulics - Full overview​

060.2 Regulating pump​

060.3 Proportional control valve block​

060.4 Working hydraulic pilot control unit​

060.5 Hydraulic cylinder​

070 Travel hydraulics

070.1 Full overview - Travel hydraulic​

070.2 Gear pump - replenishing​

070.3 Variable displacement pump​

070.4 Variable displacement motors​

070.5 Distributor block​

080 Hydraulic components

080.1 Hydraulic cylinder​

080.2 Valves​

080.3 Hydraulic tank​

100 Brake system

100.1 Inching brake pedal​

110 Electrical system

110.1 Electrical system - Full overview​

110.2 Lighting system​

110.3 Circuit diagrams​

110.4 Electrical components of operator's cab​

110.5 Electrical components - Diesel engine​

110.6 Electrical components - Main frame​

110.7 Electrical components Compartments​

110.8 Display unit​

110.9 Electrical components LiTU3 (option)​

120 Travel gearbox

120.1 Travel gearbox, overall​

120.2 Brake system​

120.3 Duo cone slipring seal​

120.4 External oil supply​

130 Travel gear, axles, tyres, drive shafts

130.1 Undercarriage frame​

130.2 Idler​

130.3 Tension unit​

130.4 Tension unit – removal​

130.5 Tension unit – installation​

130.6 Track roller​

130.7 Carrier roller​

130.8 Function, wear and evaluation​

140 Steel components Basic machine

140.1 Lift cylinder suspension​

140.2 Equaliser bar​

140.3 Push frame (outside)​

150 Working attachment

150.1 Straight blade​

150.2 Hydraulic cutting angle adjustment​

150.3 Ripper​

150.4 Cutting angle adjustment - Ripper​

160 Operator's cab, heating and air conditioning

160.1 Operator’s platform​

160.2 Operator's cab​

160.3 Heating, ventilation, air conditioning​

190 Options

190.1 Refueling pump​

190.2 Reversible fan drive​

200 Service codes, diagnosis

200.2 Test and adjustment software​