Liebherr R920 Compact Hydraulic Excavator Operators Service Repair Manual

PIN/Type – 1705
Service Repair Manual: 2100 Pages
Operators Manual (Worldwide Version): 388 Pages
Operators Manual (US & Canada version): 358 Pages
PIN/Type: 1705
Manuals: Operators Manual, Repair Manual

Table of Content – Liebherr R920 Compact Hydraulic Excavator Type 1705 Manual

Service manual
Preface
Contents
010 Introduction
010.010 Additions and updates in the service manual
010.020 Safety warnings
010.025 Standards and regulations
010.050 Special tool
010.060 Conservation guidelines
010.080 Material weights
020 Technical data
020.005 Technical data
030 Maintenance
030.001 Maintenance
030.030 Emergency operations
030.052 Adjustment checklist R920 Compact
030.100 Preparations
030.105 Machine-specific data
030.110 Diesel engine
030.115 Operating conditions
030.120 Servo control
030.126 Variable-displacement pump
030.131 Pump safety valve
030.136 Powertest
030.142 Control block, secondary pressures
030.146 Pressure cut-off valve for operating pressure
030.151 Slewing gear function
030.155 Hydraulic fan drive
030.161 Travel function
030.175 Tool Control high pressure circuit 1
030.205 Stabiliser blade
040 Drive group
040.010 Technical data, diesel engine
040.021 Diesel engine D924 A7
040.022 Diesel engine TCD 3.6 L4
040.026 SCR exhaust treatment system
040.027 SCR exhaust gas treatment system
040.031 Diesel exhaust fluid system
040.036 Fuel system
040.041 Air filter system
040.051 SCRF exhaust treatment system
040.060 Coupling
050 Cooling system
050.004 Coolant circuit
050.010 Cooling unit
050.020 Fan drive
050.030 Reversible fan drive
060 Working hydraulics
060.001 Overview of hydraulic symbols
060.002 Colour code of hydraulic schematics
060.003 Reducing pressure in hydraulic system
060.004 Bleeding hydraulic system
060.008 LSC system
060.020 Design of hydraulic system
060.075 Hydraulic diagram R918, R920 Compact
070 Travel hydraulics
070.006 Travel hydraulics: overview
070.020 CMVE travel motor
080 Hydraulic components
080.015 Hydraulic tank
080.021 DPVO variable-displacement pump
080.041 Control oil unit
080.044 Pilot control unit / joystick
080.047 Pilot control unit 4x for travel drive
080.050 LSC control block
080.054 Control axis / slewing gear
080.055 Turning grapple
080.056 Auxiliary control axis, hydraulic two-piece boom
080.057 Auxiliary control axis, high pressure circuit 1 (HDK1)
080.058 Servo control valves
080.059 Check for leak oil at control blocks
080.070 Slewing gear motor
080.077 Rotary connection 6x
080.080 Hydraulic differential cylinder
080.090 Accumulator
080.100 Line break safety valve
080.105 Line break safety valve, stick cylinder
110 Electrical system
110.001 Overview of electrical symbols
110.002 Circuit diagrams in LIDOS
110.005 Overview of ground points
110.022 Electrical system: operator’s platform, crawler
110.030 Electrical system: uppercarriage
110.050 Circuit diagram: operator’s platform
110.060 Circuit diagram: basic machine
110.080 Circuit diagram of D924 A7 diesel engine
110.100 Circuit diagram: Joystick SVAB
120 Travel gearbox
120.005 List of travel gearboxes
120.010 Travel gearbox – line P(c)
130 Travel gear
130.100 Arrangement of track components
130.260 List of the track components
130.410 Wear limits for the track components
130.500 Track complete
130.530 Repair of a track
130.600 Tension unit complete
130.630 Idler-wheel
130.650 Grease tensioner
130.700 Monoblock tensioner
130.750 Preassembled spring tensioner
130.800 Track roller
130.850 Carrier roller supported on one side
130.900 Face seals
140 Steel parts of the basic machine
140.010 Repair welding guideline
150 Working attachment
150.010 Dismantling and installing working attachment
150.015 Boom, adjustable in vertical/horizontal direction
150.019 Stick cylinder shut-off
150.020 Height limitation
150.038 Stabiliser blade
150.040 Hydraulic quick coupler
150.042 Interface, third-party quick coupler
150.061 Manual changeover between bucket and grapple operation
150.062 Changeover between two-piece boom and high pressure circuit
150.063 Changeover between high pressure circuit 1 and bucket cylinder
160 Cab, heating and air conditioning
160.020 Auxiliary heater
160.035 Heating and air conditioning unit
160.040 Air conditioning
160.045 Air conditioning diagnosis / service
170 Lubrication system
170.001 Repair of lubrication hose
170.005 Automatic central lubrication system
170.015 Central lubrication pump
170.025 Progressive distributor
180 Slewing gearbox and slewing ring
180.020 Slewing gearbox
180.030 Slewing brake
180.032 Positioning slewing brake
180.050 Slewing ring
190 Equipment and options
190.001 LIDAT remote diagnosis system (LiTU2)
190.002 LiDAT: checking connection status
190.004 LiDAT remote diagnosis system (LiTU03)
190.005 LiDAT: creating a report and snapshot
190.007 Likufix coupling system
190.008 Check template for LIKUFIX
190.009 Avertisseur de surcharge
190.010 Tool control
190.014 Tool Management
190.015 Protection des vérins de flèche
190.022 Driver identification
190.035 SuperFinish
190.040 Mower rake accessory kit
190.041 Tiltrotator TR-20/TR-25
190.045 Pose direct de LiTiU, raccordement
190.046 Pose direct de LiTiU raccordé
190.047 LiTiU sandwich installation
190.050 Refuelling system
190.055 Bypass filter
190.060 Control unit pre-heating
190.062 Hydraulic oil pre-heating
190.063 Fuel preheating
190.064 Fuel pre-heating
190.066 Coolant pre-heating
190.068 Engine oil pre-heating
190.090 Camera monitoring system
190.092 Skyview 360°
200 Diagnosis
200.005 Sculi variables editor
200.006 Sculi – access to the variables
200.010 Testing and adjustment software wizard
200.012 Accelerating starting time from Sculi Wizard
200.020 Software update
200.030 Master 4: Reset on master module
200.035 CAN module addressing
200.036 Master 4: Master module
200.038 CAN connections
200.090 Malfunctions
200.095 Information menu
200.098 Master 5: Master module (central control)
200.100 Master 5: Reset to factory settings
200.102 Master 5: Connect “LiFT” function
200.104 Master 5: Software update
200.106 Master 5: Connect SCULi diagnostic software
200.108 Master 5: Service file
200.110 Master 5: Import license file
200.112 Master 5: Software backup
200.114 Master 5: Data backup event