Liebherr R920 Hydraulic Excavator Operators Service Repair Manual

Table of Content – Liebherr R920 Hydraulic Excavator Type 1545 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
  • 030.005 Maintenance
  • 030.057 Confirmation of maintenance
  • 030.060 Adjustment checklist and procedure (from software version 011)
• 040 Drive group
  • 040.010 Diesel engine
• 050 Cooling system
  • 050.010 Cooling system
• 060 Working hydraulics
  • 060.005 Overview of hydraulic symbols
  • 060.007 Colour code for lines in hydraulic schematics
  • 060.010 Description of the Positive Control system
  • 060.020 Depressurising a hydraulic system
  • 060.100 Description of the hydraulic system
  • 060.110 Components list
  • 060.120 Hydraulic schematic
• 080 Hydraulic components
  • 080.010 List of the hydraulic components
  • 080.050 SL-SD regulator
  • 080.160 Servo control pump
  • 080.180 Gear pumps AP 212
  • 080.185 Gear pumps PHP
  • 080.200 Control oil unit
  • 080.209 Pressure accumulator
  • 080.220 Pilot control unit / joystick
  • 080.230 Pilot control unit / travel pedal
  • 080.304 Gear hydraulic motor APFM 212
  • 080.310 CMVE travel motor
  • 080.410 6-way rotary connection
• 110 Electrical system
  • 110.001 List of electrical diagrams
  • 110.005 Overview of electrical symbols
  • 110.150 Operator’s cab – arrangement of electrical components
  • 110.151 Operator’s cab – electrical diagrams
  • 110.200 Uppercarriage – arrangement of electrical components
  • 110.250 Uppercarriage – main cable set
  • 110.300 Cummins Diesel engine – arrangement of electrical components
  • 110.301 Cummins Diesel engine – electrical diagrams
• 120 Travel gearbox
  • 120.010 Travel gearbox (with ball roller)
  • 120.020 Travel brakes
  • 120.200 Adjusting secondary P-R valves for travel gear movements (motor type CMVE)
• 130 Travel gear
  • 130.100 Arrangement of track components
  • 130.210 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
  • 130.800 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 Hydraulic cylinders
  • 150.100 Regeneration and line break safety valve for hoist cylinder
  • 150.120 Regeneration and line break safety valve for stick cylinder
  • 150.400 Removing and installing the stick to the boom
• 160 Operator's 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
  • 160.105 Auxiliary heater
• 170 Lubrication system
  • 170.010 Central lubrication system
  • 170.020 Troubleshooting
  • 170.030 Lubricating pump
  • 170.039 Progressive distributor SX-1
  • 170.050 Progressive distributor MX-F
  • 170.060 Installing and repairing lubrication hoses
• 180 Slewing gearbox and slewing ring
  • 180.010 Slewing gearbox SAT
  • 180.050 Slewing ring
• 190 Equipment and options
  • 190.008 Safety requirements
  • 190.010 High pressure circuit 1
  • 190.055 Small flow circuit
  • 190.060 Medium pressure circuit (AS2)
  • 190.130 Regeneration and line break safety valve for attachment cylinders
  • 190.190 LiDAT remote diagnosis system (LiTU 2 – Master 4)
  • 190.191 LiDAT remote diagnosis system (LiTU 3 – Master 5)
  • 190.192 Remote diagnosis system (China)
  • 190.200 Headlights and beacon
  • 190.210 PIN code
  • 190.305 Electric refuelling pump
  • 190.327 Tropical execution
  • 190.328 Auxiliary heater
  • 190.400 Travel alarm
  • 190.415 Overload warning system
• 200 Diagnosis
  • 200.005 Updating the machine software
  • 200.200 CAN data transmission
  • 200.260 CAN modules
  • 200.410 Display
  • 200.505 Connection to Sculi
  • 200.530 Sculi – access to the variables
  • 200.600 Sculi – Wizard utility