Liebherr R976 Hydraulic Excavator Operators Service Repair Manual

Table of Content – Liebherr R976 Hydraulic Excavator Type 1360, 1402, 1403, 1404, 1460, 1461, 1645 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
  • 010.028 Tightening torques for pressure relief valves
  • 010.032 Tightening torques for fittings
  • 010.050 Special tools for maintenance and repair
  • 010.051 Special tools for the hydraulic system
  • 010.052 Special tools for electrical connectors
  • 010.053 Special tools for Diesel engines
  • 010.054 Special tools for gears
  • 010.060 Conservation guidelines
  • 010.080 Material weights
• 020 Technical data
  • 020.005 Technical data
• 030 Maintenance
  • 030.001 Sampling oils and coolant for analysis
  • 030.010 Maintenance and inspection schedule
  • 030.057 Confirmation of maintenance
  • 030.060 Adjustment check list and procedure (from software version 103)
  • 030.065 Adjustment check list and procedure (from software version 106)
  • 030.070 Adjustment check list and procedure (from software version 001)
• 040 Drive group
  • 040.025 SCR system
  • 040.030 Coupling
  • 040.045 LPV pump distributor gear
• 050 Cooling system
  • 050.010 Cooling system
• 060 Working hydraulics
  • 060.001 List of hydraulic diagrams
  • 060.005 Overview of hydraulic symbols
  • 060.020 Depressurising a hydraulic system
  • 060.028 Description of the hydraulic system
  • 060.030 Components list
  • 060.032 Hydraulic schematic – backhoe bucket attachment
  • 060.035 Hydraulic schematic – bottom dump shovel attachment
  • 060.058 Description of the hydraulic system
  • 060.060 Components list
  • 060.063 Hydraulic schematic – backhoe bucket attachment
  • 060.064 Hydraulic schematic – backhoe attachment
  • 060.070 Hydraulic schematic – bottom dump shovel attachment
  • 060.071 Hydraulic schematic – shovel attachment
  • 060.075 Hydraulic schematic – backhoe bucket attachment
  • 060.076 Hydraulic schematic – backhoe attachment
  • 060.080 Hydraulic schematic – bottom dump shovel attachment
• 080 Hydraulic components
  • 080.010 List of the hydraulic pumps
  • 080.015 Rotary group for axial piston pumps and motors
  • 080.040 LPV variable-displacement pump
  • 080.055 LR-SD-DA regulator
  • 080.100 Variable-displacement pump A4 VG
  • 080.170 Pump for distribution gear oil cooling
  • 080.175 Gear pumps AZP
  • 080.200 Control oil unit
  • 080.220 Pilot control unit / joystick
  • 080.230 Pilot control unit / travel pedal
  • 080.240 Pilot control unit / lateral double pedal
  • 080.303 Axial piston hydraulic motor MT45
  • 080.305 FMF hydraulic motor – line A
  • 080.315 FMV travel motor
  • 080.320 Travel brake valve (motor type FMV)
  • 080.400 1-way rotary connection
  • 080.405 5-way rotary connection
  • 080.500 Pressure relief valves
• 110 Electrical system
  • 110.001 List of electrical diagrams
  • 110.005 Overview of electrical symbols
  • 110.010 Operator’s cab – arrangement of electrical components
  • 110.030 Operator’s cab – electrical diagrams
  • 110.070 Operator’s cab – arrangement of electrical components
  • 110.071 Operator’s cab – electrical diagrams
  • 110.200 Uppercarriage – arrangement of electrical components
  • 110.210 Uppercarriage – electrical diagrams
  • 110.400 Uppercarriage – arrangement of electrical components
  • 110.420 Uppercarriage – electrical diagrams
• 53-1
  • 110.550 Uppercarriage – main cable set
  • 110.700 Liebherr Diesel engine – arrangement of electrical components
  • 110.740 Diesel engine D936 – electrical diagrams
  • 110.760 Liebherr Diesel engine – arrangement of electrical components
  • 110.780 Diesel engine D9508 – electrical diagrams
• SCHALTPLAN ELEKTRIK
• INHALTSVERZEICHNIS
• EINBAULAGE ELEKTRISCHE BAUTEILE
• EINBAULAGE ELEKTRISCHE BAUTEILE
• MOTOR ÜBERSICHT
• MOTORSTEUERGERÄT
• MOTORSTEUERGERÄT
• MOTORSTEUERGERÄT
• MOTORSTEUERGERÄT
• LICHTMASCHINE, ANLASSER
• ÖLDRUCKGEBER, KRAFTSTOFFDRUCKGEBER,
• RAILDRUCKGEBER 1-2
• LADELUFTTEMPERATURGEBER, KÜHLWASSERTEMPERATURGEBER
• MENGENREGELVENTIL, TAKTVENTIL
• DREHZAHLGEBER 1, PHASENGEBER
• EINSPRITZDÜSEN ZYL. 1-4
• EINSPRITZDÜSEN ZYL. 5-8
• HEIZFLANSCH MIT MASSE 1-2
• ZEICHENERKLÄRUNG
• BMK-VERZEICHNIS
• 120 Travel gearbox
  • 120.005 List of travel gear mechanisms
  • 120.015 Travel gear mechanism – line P(r)
  • 120.020 Travel brakes
  • 120.210 Adjusting the secondary pressure-relief valves for travel gear movements (motor type FMV)
• 130 Travel gear
  • 130.100 Arrangement of track components
  • 130.240 List of the track components R976 – R980
  • 130.400 Wear on the track components
  • 130.410 Wear limits for the track components
  • 130.450 Identification of the crawler chain type
  • 130.500 Track complete
  • 130.530 Repair of a track
  • 130.600 Tension unit complete
  • 130.630 Idler-wheel
  • 130.650 Grease tensioner
  • 130.750 Preassembled spring tensioner
  • 130.770 Two-loose-spring tensioner
  • 130.800 Track roller
  • 130.860 Carrier roller supported on both sides
  • 130.900 Face seals
• 140 Steel parts of the basic machine
  • 140.010 Repair welding guideline
• 150 Working attachment
  • 150.010 Hydraulic cylinders
  • 150.090 Stick and hoist cylinder shut-down
  • 150.095 Stick cylinder protection (damping)
  • 150.100 Regeneration and dine break safety valve for hoist cylinder
  • 150.115 Regeneration and line break safety valve for stick cylinder
  • 150.350 Preparation for third party hydraulic quick coupler
  • 150.400 Removing and installing the stick to the boom
• 160 Cab, heating and air conditioning
  • 160.055 Air conditioning unit: design and function
  • 160.060 Air conditioning unit: malfunctions
  • 160.065 Air conditioning unit: maintenance
  • 160.070 Air conditioning unit: repair
  • 160.100 Hydraulically adjustable cab
  • 160.105 Auxiliary heater
• 170 Lubrication system
  • 170.010 Central lubrication system
  • 170.020 Troubleshooting
  • 170.030 Lubrication pump
  • 170.040 Progressive distributor SXE-2
  • 170.050 Progressive distributor MX-F
  • 170.060 Installing and repairing lubrication hoses
• 180 Slewing gearbox and slewing ring
  • 180.010 Slewing gear mechanism SAT
  • 180.050 Slewing ring
• 190 Equipment and options
  • 190.010 High pressure circuit 1
  • 190.030 High pressure circuit 2
  • 190.050 Bottom dump shovel control
  • 190.065 Medium pressure circuit (AS2)
  • 190.080 Hydraulically adjustable cab
  • 190.100 Stick and hoist cylinder shut-down
  • 190.112 Hoist cylinder protection
  • 190.115 Stick cylinder protection (damping)
  • 190.120 Hydraulic quick change system
  • 190.122 Preparation for third party hydraulic quick coupler
  • 190.127 Tool Management
  • 190.130 Line break safety valve for attachment cylinders
  • 190.155 Watering device
  • 190.160 Bypass filter
  • 190.165 Hydraulic hammer return filter
  • 190.170 Changing over the control
  • 190.172 Bypass to open the shear
  • 190.175 Slewing gear brake (pedal)
  • 190.180 Special working attachments and tools
  • 190.190 LiDAT remote diagnosis system (LiTU 2 – Master 4)
  • 190.195 Radio
  • 190.200 Headlights and beacon
  • 190.310 Electric refuelling pump
  • 190.320 Pre-heating
  • 190.325 Activating the reverse air jet for cleaning the cooler
  • 190.327 Tropical execution
  • 190.330 Auxiliary heater
  • 190.400 Travel alarm
  • 190.410 Screen wiper
  • 190.415 Overload warning system
  • 190.430 Immobiliser
  • 190.440 Video surveillance
  • 190.460 Pressure cut-off (DA)
• 200 Diagnosis
  • 200.005 Updating the machine software (Master 4)
  • 200.050 Recording error messages of master module
  • 200.070 Incompatibility of functions
  • 200.072 Incompatibilities of the options
  • 200.200 CAN data transmission
  • 200.260 CAN input and output modules
  • 200.270 Addressing of CAN modules
  • 200.405 Troubleshooting for camera
  • 200.410 Display
  • 200.505 Connection to Sculi
  • 200.530 Sculi – access to the variables
  • 200.600 Sculi – Wizard utility