Liebherr R938 Hydraulic Excavator Operators Service Repair Manual

Table of Content – Liebherr R938 Hydraulic Excavator 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
  • 030.010 Confirmation of maintenance
  • 030.100 Preparations
  • 030.105 Machine-specific data
  • 030.110 Operating conditions
  • 030.130 External setting sensors
  • 030.140 Diesel engine
  • 030.150 Servo control
  • 030.160 Control elements
  • 030.170 Board instruments
  • 030.200 CPVP Working pump
  • 030.210 DPVP Working pump
  • 030.220 LH Working pump
  • 030.240 Fan
  • 030.250 Engine power (Powertest)
  • 030.310 Proportional solenoid valves block 4850
  • 030.330 E-valves
  • 030.350 Secondary pressure relief valves
  • 030.355 Secondary pressure relief valves, with telescopic attachment
  • 030.370 High pressure circuit 1 (option)
  • 030.380 Float position of the boom (option)
  • 030.385 High pressure circuit 2 (option)
  • 030.390 Primary pressure relief valve
  • 030.395 Height-adjustable special boom (option)
  • 030.500 Slewing motor
  • 030.510 A4VG Slewing pump
  • 030.520 DPVG slewing pump
  • 030.600 Travel motors
  • 030.710 Standby pressure
  • 030.720 Secondary pressure relief valves
  • 030.750 Working pressure
  • 030.770 Start of movement
• 040 Drive group
  • 040.020 Diesel engine D934 A7/ D944 A7
  • 040.021 Diesel engine D924 A7-05
  • 040.025 SCR exhaust treatment system
  • 040.026 SCR exhaust gas treatment system
  • 040.027 SCRF exhaust treatment system
  • 040.028 SCRF exhaust gas treatment system
  • 040.029 Exhaust system without exhaust gas treatment
  • 040.030 Diesel exhaust fluid system
  • 040.035 Fuel system
  • 040.040 Air filter system
  • 040.061 Coupling
• 050 Cooling system
  • 050.010 Cooling unit
  • 050.020 Fan drive
  • 050.030 Reversible fan drive
• 060 Working hydraulics
  • 060.001 List of hydraulic diagrams
  • 060.005 Overview of hydraulic symbols
  • 060.007 Colour code for lines in hydraulic schematics
  • 060.010 Description of positive control system
  • 060.050 Design of hydraulic system
  • 060.060 Components list
  • 060.070 Hydraulic schematic
  • 060.100 Design of hydraulic system Valid for machines with DPVP working pump
  • 060.110 Components list
  • 060.120 Hydraulic schematic
  • 060.200 Description of hydraulic circuit Valid for machines with LH working pump
  • 060.210 Components list
  • 060.220 Hydraulic schematic
  • 060.910 Component list
  • 060.920 Hydraulic schematic
• 070 Travel hydraulics
• 080 Hydraulic components
  • 080.015 Hydraulic tank
  • 080.019 Rotary group of axial piston pumps and motors
  • 080.020 SL-SD regulator
  • 080.024 CPVP double variable-displacement pump
  • 080.025 DPVP double variable-displacement pump
  • 080.027 A4VG slewing pump
  • 080.029 Servo control pump
  • 080.040 Fan pump
  • 080.045 Gear pump of small flow circuit
  • 080.047 Variable-displacement pump of the small flow circuit
  • 080.050 Control valve block
  • 080.055 Proportional solenoid valve block
  • 080.076 Rotary connection 6x
  • 080.080 Hydraulic differential cylinder
  • 080.090 Accumulator
  • 080.100 Line break safety valves of hoist cylinder
  • 080.105 Line break safety valve of stick cylinder
  • 080.110 Load-holding valve of bucket cylinder
  • 080.200 Servo control unit
• 110 Electrical system
  • 110.001 List of electrical diagrams
  • 110.005 Overview of electrical symbols
  • 110.006 Circuit diagrams in LIDOS
  • 110.008 Overview of ground points
  • 110.101 Operator’s cab – electrical diagrams
  • 110.201 Uppercarriage – electrical diagrams
  • 110.250 Uppercarriage – main cable set
  • 110.310 Diesel engine environment – electrical diagrams
  • 110.410 Diesel engine D924 – electrical diagrams
  • 110.460 Diesel engine D9x4 A7 – electrical diagrams
• 120 Travel gearbox
  • 120.050 Travel gearbox FAT
• 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
  • 130.750 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
  • 140.100 Counterweight
• 150 Working attachment
  • 150.010 Hydraulic cylinders
  • 150.180 Load-holding valve for bucket cylinder
  • 150.210 Bucket cylinder or grapple cylinder supply circuit
  • 150.450 Stick extension on high pressure circuit
  • 150.500 Telescopic attachment
  • 150.800 Support blade
• 160 Cab, heating and air conditioning
  • 160.021 Auxiliary heater
  • 160.035 Heating and air conditioning unit
  • 160.041 Air conditioning
• 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
  • 180.010 Slewing gearbox SAT
  • 180.500 Slewing ring
  • 180.600 Slewing ring: changing the grease
  • 180.700 Slewing ring: draining water
• 190 Equipment and options
  • 190.005 Tool control
  • 190.010 High pressure circuit 1
  • 190.030 High pressure circuit 2
  • 190.040 Small flow circuit
  • 190.050 Tool Management
  • 190.060 Medium pressure circuit
  • 190.075 Tiltrotator
  • 190.077 Dual circuit tiltrotator
  • 190.080 Hydraulically adjustable cab
  • 190.100 Movement restriction for stick and movement restriction for boom
  • 190.118 Float position of the boom
  • 190.122 Preparation for hydraulic quick couplers from manufacturers
  • 190.125 LIKUFIX hydraulic coupling system
  • 190.135 Mowing bucket
  • 190.140 Hydraulically adjustable undercarriage width
  • 190.150 Generator
  • 190.155 Watering device
  • 190.160 Bypass filter
  • 190.165 Return filter for hydraulic hammer
  • 190.183 Clamp on undercarriage
  • 190.185 Laterally adjustable boom
  • 190.190 LiDAT remote diagnosis system (LiTU 3 – Master 5)
  • 190.192 Remote diagnostic system (China)
  • 190.195 Radio
  • 190.210 Locking / enabling the machine
  • 190.305 Electric fuel refuelling pump
  • 190.323 Air flow reversal for radiator cleaning
  • 190.400 Travel alarm system
  • 190.430 Immobiliser
  • 190.440 Video surveillance
• 200 Diagnosis
  • 200.008 Update of the machine software (Master 5)
  • 200.010 Connect SCULi diagnostic software (Master 5)
  • 200.015 LiFT function (Master 5)
  • 200.020 Service file (Master 5)
  • 200.025 Reset Master (Master 5)
  • 200.030 Machine software backup (Master 5)
  • 200.100 Liebherr diagnosis tool LIDIA
  • 200.150 SCR system check
  • 200.260 CAN modules
  • 200.300 Malfunctions
  • 200.400 Addressing of side area camera
  • 200.405 Troubleshooting for camera
  • 200.420 Standalone display
  • 200.600 SCULi – Wizard assistant
  • 200.605 SCULi – working attachment adjustment
  • 200.620 Replacing components