Liebherr Crawler Dozer PR776-1296 Service Manual

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Liebherr Crawler Dozer PR776-1296 Service Manual
Size: 64.70 MB
Format: PDF
Language: English
Brand: Liebherr
Type of Machine: Bulldozer
Type of Document: Service Manual, Electric and Hydraulic Diagrams
Model: Liebherr PR776-1296
Order Number: 12254329
Date: 2023
Number of Pages: 908 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​

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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​

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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​

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040 Drive group

040.1 Diesel engine​

040.2 Clutch​

040.3 Splitter box​

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050 Cooling system

050.1 Complete cooling system​

050.2 Cooler arrangement​

050.3 Hydraulic​

050.4 Cooling system - Full overview​

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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​

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070 Travel hydraulics

070.1 Complete travel hydraulics​

070.2 Travel hydraulics - Full overview​

070.3 Regulating pump​

070.4 Variable displacement pump​

070.5 Variable displacement motors​

070.6 Distributor block​

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080 Hydraulic components

080.1 Hydraulic cylinder​

080.2 Valves​

080.3 Hydraulic tank​

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100 Brake system

100.1 Inching brake pedal​

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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 - Heatable exterior mirror (option)​

110.6 Electrical components - Diesel engine​

110.7 Diesel engine electrical components​

110.8 Electrical components - Main frame​

110.9 Electrical components - Main frame​

110.10 Electrical components Compartments​

110.11 Display unit​

110.12 Electrical components LiDAT (option)​

110.13 Electrical components LiTU3 (option)​

110.14 Electrical components - Incline alarm (option)​

110.15 Electrical components - Data interface (option)​

110.16 Electrical components - Input module A240 (option)​

110.17 Electrical components - Output module A135 (option)​

110.18 Electrical components - Travel hydraulics pressure cut-off​

110.19 Electrical components - Acoustic reversing warning device (option)​

110.20 Electrical components - Disengageable reversing warning device (option)​

110.21 Electrical components - Optical reversing warning device (option)​

110.22 Electrical components - Engine after-run​

110.23 Electrical components - Access ladder​

110.24 Electrical components - Warm water heating device (option)​

110.25 Electrical components - Jump-start (option)​

110.26 Electrical components - Reversible fan drive (option)​

110.27 Electrical components - Working hydraulics cutting angle adjustment (option)​

110.28 Electrical components - 3-point belt with warning sound (option)​

110.29 Electrical components - Supply box for external users (option)​

110.30 Electrical components - Coolant level check (option)​

110.31 Electrical components - External operating hour meter (option)​

110.32 Electrical components - Generator disconnecting switch (option)​

110.33 Electrical components - Ripper headlight (option)​

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120 Travel gearbox

120.1 Travel gear, overall​

120.2 Brake system​

120.3 Duo cone slipring seal​

120.4 External oil supply​

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130 Travel gear, axles, tyres, drive shafts

130.1 Undercarriage frame​

130.2 Idler​

130.3 Tension unit​

130.4 Track roller​

130.5 Carrier roller (Optional)​

130.6 Function, wear and evaluation​

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140 Steel components Basic machine

140.1 Lift cylinder suspension​

140.2 Oscillating axle frame​

140.3 Push frame​

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150 Working attachment

150.1 Semi U-blade​

150.2 Hydraulic cutting angle adjustment​

150.3 Ripper​

150.4 Cutting angle adjustment - Ripper​

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160 Operator's cab, heating and air conditioning

160.1 Operator’s platform​

160.2 Operator's cab​

160.3 Heater and ventilation​

160.4 Heating, ventilation, air conditioning​

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190 Options

190.1 Reversible fan drive​

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200 Service codes, diagnosis

200.1 Test and adjustment software​