Liebherr R946 Hydraulic Excavator Operators Service Repair Manual

Table of Content – Liebherr R946 Hydraulic Excavator Type 1491 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
  • 030.065 Adjustment checklist and procedure (from software version 156)
  • 030.070 Adjustment check list and procedure (from software version 138)
  • 030.071 Adjustment check list and procedure (from software version 156)
  • 030.080 Adjustment check list and procedure (from software version 136)
  • 030.081 Adjustment checklist and procedure (from software version 156)
  • 030.085 Adjustment check list and procedure (from software version 136)
  • 030.086 Adjustment check list and procedure (from software version 156)
  • 030.090 Adjustment procedures and report (from software version 027)
• 040 Drive group
  • 040.010 Diesel engine
  • 040.020 Diesel particle filter
  • 040.025 SCR system
  • 040.026 Checklist modification of SCR system
  • 040.040 DPVP 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
  • 060.007 Colour code for lines in hydraulic schematics
  • 060.010 Description of the Positive Control system
  • 060.020 Depressurising a hydraulic system
  • 060.028 Description of the hydraulic system
  • 060.030 Components list
  • 060.032 Hydraulic schematic
  • 060.038 Description of the hydraulic system
  • 060.040 Components list
  • 060.042 Hydraulic schematic
  • 060.045 Component list
  • 060.046 Hydraulic schematic
  • 060.048 Description of the hydraulic system
  • 060.050 Components list
  • 060.052 Hydraulic schematic
  • 060.058 Description of the hydraulic system
  • 060.060 Components list
  • 060.065 Hydraulic schematic (with slewing pump)
  • 060.066 Hydraulic schematic
  • 060.070 Hydraulic schematic (with slewing pump)
  • 060.071 Hydraulic schematic
  • 060.074 Hydraulic schematic (with slewing pump)
  • 060.075 Hydraulic schematic
  • 060.150 Description of the hydraulic system
  • 060.152 Components list
  • 060.154 Hydraulic schematic
  • 060.200 Description of the hydraulic system
  • 060.204 Hydraulic schematic
  • 060.300 Description of the hydraulic system
  • 060.302 Components list
  • 060.304 Hydraulic schematic – tunneling attachment
  • 060.310 Safety servo control circuit
  • 060.902 Component list
  • 060.904 Hydraulic schematic
• 080 Hydraulic components
  • 080.010 List of the hydraulic components
  • 080.015 Rotary group for axial piston pumps and motors
  • 080.025 Double variable-displacement pump CPVP
  • 080.030 Double variable-displacement pump DPVP
  • 080.050 SL-SD regulator
  • 080.100 Variable-displacement pump A4 VG
  • 080.150 Variable-displacement pump MVP
  • 080.160 Servo control pump
  • 080.170 Pump for distribution gear oil cooling
  • 080.180 Gear pumps AP 212
  • 080.185 Gear pumps PHP
  • 080.200 Servo control unit
  • 080.209 Pressure accumulator
  • 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
  • 080.304 Gear hydraulic motor APFM 212
  • 080.305 FMF hydraulic motor – line B
  • 080.310 CMVE travel motor
  • 080.315 FMV travel motor
  • 080.320 Travel brake valve (motor type FMV)
  • 080.400 1-way rotary connection
  • 080.402 5-way rotary connection (low pressure)
  • 080.405 5-way rotary connection (high pressure)
  • 080.410 6-way rotary connection
  • 080.415 7-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
  • 110.032 Operator’s cab – electrical diagrams
  • 110.080 Operator’s cab – arrangement of electrical components
  • 110.081 Operator’s cab – electrical diagrams
  • 110.091 Operator’s cab and uppercarriage – electrical diagrams
  • 110.200 Uppercarriage – arrangement of electrical components
  • 110.210 Uppercarriage – electrical diagrams
  • 110.300 Uppercarriage – arrangement of electrical components
  • 110.320 Uppercarriage – electrical diagrams
  • 110.400 Uppercarriage – arrangement of electrical components
  • 110.420 Uppercarriage – electrical diagrams
  • 110.470 Uppercarriage – arrangement of electrical components
  • 110.510 Uppercarriage – electrical diagrams
  • 110.520 Attachment – electrical diagrams
  • 110.530 Uppercarriage – main cable set
  • 110.695 Diesel engine FPT – electrical diagrams
  • 110.720 Diesel engine D934 – electrical diagrams
  • 110.740 Diesel engine D936 – electrical diagrams
  • 110.750 Diesel engine D944 – electrical diagrams
• 120 Travel gearbox
  • 120.005 List of travel gearbox
  • 120.010 Travel gearbox – line P(c)
  • 120.015 Travel gearbox – line P(r)
  • 120.020 Travel brakes
  • 120.200 Adjusting the secondary pressure-relief valves for travel gear movements (motor type CMVE)
  • 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 R946 – R950 – R950 Tunnel
  • 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
  • 130.860 Carrier roller supported on both sides
  • 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
  • 150.050 Adjustment of the movements of the working attachment
  • 150.090 Stick and hoist cylinder shut-down
  • 150.095 Stick cylinder protection (damping)
  • 150.100 Regeneration and line break safety valve for hoist cylinder
  • 150.112 Line break safety valve for adjustable boom cylinder
  • 150.115 Regeneration and line break safety valve for stick cylinder
  • 150.120 Regeneration and line break safety valve of stick cylinder
  • 150.125 Line break safety valve for stick cylinder
  • 150.150 Calibrating control of line break safety valves (LBS valves)
  • 150.220 Load-holding valve for bucket cylinder
  • 150.230 Power supply of bucket cylinder or grapple cylinder
  • 150.300 Calibration of the LDC angle transmitters
  • 150.350 Preparation for third party hydraulic quick coupler
  • 150.400 Removing and installing the stick to the boom
  • 150.800 Dozer blade
  • 150.820 Support blade
• 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
  • 170.012 Central lubrication system
  • 170.020 Troubleshooting
  • 170.030 Lubricating 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
  • 180.070 Slewing ring: changing the grease
  • 180.080 Slewing ring: draining water
• 190 Equipment and options
  • 190.015 High pressure circuit 1
  • 190.025 Big rotary cutter
  • 190.035 High pressure circuit 2
  • 190.055 Small flow circuit
  • 190.060 Medium pressure circuit (AS2)
  • 190.075 Tiltrotator
  • 190.079 Hydraulically adjustable cab
  • 190.085 Increasing the traction
  • 190.100 Stick and hoist cylinder shut-down
  • 190.112 Hoist cylinder protection
  • 190.115 Stick cylinder protection (damping)
  • 190.118 Floating position of hoist cylinders
  • 190.120 Hydraulic quick change system
  • 190.122 Preparation for third party hydraulic quick coupler
  • 190.125 Likufix hydraulic coupling system
  • 190.127 Tool Management
  • 190.130 Line break safety valve for attachment cylinders
  • 190.140 Undercarriage with hydraulically variable gauge
  • 190.145 Hydraulically removable counterweight
  • 190.150 Generator
  • 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)
  • 190.178 Flow distributor
  • 190.185 Adjustable boom
  • 190.190 LiDAT remote diagnosis system (LiTU 2 – Master 4)
  • 190.191 LiDAT remote diagnosis system (LiTU 3 – Master 5)
  • 190.195 Radio
  • 190.200 Headlights and beacon
  • 190.305 Electric refuelling pump
  • 190.320 Pre-heating
  • 190.323 Activating the airflow reversal for cleaning the cooler
  • 190.340 Auxiliary heater
  • 190.400 Travel alarm
  • 190.410 Screen wiper
  • 190.415 Overload warning system
  • 190.440 Video surveillance
  • 190.450 Skyview 360°
• 200 Diagnosis
  • 200.005 Updating the machine software (Master 4)
  • 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)
  • 200.050 Recording error messages of master module
  • 200.070 Incompatibilities of the options
  • 200.200 CAN data transmission
  • 200.260 CAN input and output modules
  • 200.270 Addressing of CAN modules
  • 200.400 Addressing of side area camera
  • 200.405 Troubleshooting for camera
  • 200.410 Display
  • 200.420 Standalone display
  • 200.425 Demolition display
  • 200.505 Connection to Sculi
  • 200.530 Sculi – access to the variables
  • 200.600 Sculi – Wizard utility
  • 200.610 Sculi – Wizard utility, additional menus for demolition machines