LIEBHERR-R926-950 Liebherr R926, R936, R940, R946, R950 hydraulic excavator pdf service manual
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Liebherr R926, R936, R940, R946, R950 hydraulic excavator pdf service manual

LIEBHERR-R926-950
$57.90
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Format: PDF

Pages: 4124

File size: 107.55 MB

Language: English

Models: R926 1488; R926 Compact 1565 - 1827; R936 1490; R936 Compact 1780 - 1828; R940 Demolition 1861; R946 1491; R950 1492; R950 Tunnel 1362 - 1789; R950 Demolition 1467 - 1788

Service manual for R926, R936, R940, R946, R950 hydraulic excavator is available for instant download after purchase at any time. It can be downloaded and viewed on any device. Download free preview PDF file using the link in Attachments TAB

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Table of Contents for LIEBHERR-R926-950-EN 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 Sampling oils and coolant for analysis
    • 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
    • 050.015 Cooling system
    • 050.016 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
    • 060.025 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
    • 060.059 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
    • 060.152 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
    • 060.305 Hydraulic schematic - tunneling attachment
    • 060.310 Safety servo control circuit
  • 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
    • 080.130 Variable-displacement pump A10VO
    • 080.142 Variable-displacement pump A11VO
    • 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
    • 080.203 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
    • 080.301 Axial piston hydraulic motor A10F
    • 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
    • 080.405 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
    • 110.033 Operator's cab - electrical diagrams
    • 110.034 Operator's cab - electrical diagrams
    • 110.080 Operator's cab - arrangement of electrical components
    • 110.081 Operator's cab - electrical diagrams
    • 110.082 Operator's cab - electrical diagrams
    • 110.083 Operator's cab - electrical diagrams
    • 110.091 Operator's cab and uppercarriage - electrical diagrams
    • 110.092 Operator's cab and uppercarriage - electrical diagrams
    • 110.093 Operator's cab and uppercarriage - electrical diagrams
    • 110.200 Uppercarriage - arrangement of electrical components
    • 110.210 Uppercarriage - electrical diagrams
    • 110.220 Uppercarriage - electrical diagrams
    • 110.260 Uppercarriage - electrical diagrams
    • 110.270 Uppercarriage - electrical diagrams
    • 110.300 Uppercarriage - arrangement of electrical components
    • 110.320 Uppercarriage - electrical diagrams
    • 110.330 Uppercarriage - electrical diagrams
    • 110.360 Uppercarriage - electrical diagrams
    • 110.370 Uppercarriage - electrical diagrams
    • 110.400 Uppercarriage - arrangement of electrical components
    • 110.420 Uppercarriage - electrical diagrams
    • 110.440 Uppercarriage - electrical diagrams
    • 110.450 Uppercarriage - arrangement of electrical components
    • 110.510 Uppercarriage - electrical diagrams
    • 110.515 Uppercarriage - electrical diagrams
    • 110.516 Uppercarriage - electrical diagrams
    • 110.520 Attachment - electrical diagrams
    • 110.522 Attachment - electrical diagrams
    • 110.530 Uppercarriage - main cable set
    • 110.531 Uppercarriage - main cable set
    • 110.533 Uppercarriage - main cable set
    • 110.540 Uppercarriage - main cable set
    • 110.545 Uppercarriage - main cable set
    • 110.550 Uppercarriage - main cable set
    • 110.560 Uppercarriage - main cable set
    • 110.562 Uppercarriage - main cable set
    • 110.565 Uppercarriage - main cable set
    • 110.567 Uppercarriage - main cable set
    • 110.570 Uppercarriage - main cable set
    • 110.580 Uppercarriage - main cable set
    • 110.590 Uppercarriage - main cable set
    • 110.620 Uppercarriage - main cable set
    • 110.630 Uppercarriage - main cable set
    • 110.650 Uppercarriage - main cable set
    • 110.660 Uppercarriage - main cable set
    • 110.695 Diesel engine FPT – electrical diagrams
    • 110.720 Diesel engine D934 – electrical diagrams
    • 110.725 Diesel engine D934 – electrical diagrams
    • 110.740 Diesel engine D936 – electrical diagrams
    • 110.745 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
    • 130.200 List of the track components
    • 130.210 List of the track components
    • 130.220 List of the track components
    • 130.230 List of the track components
    • 130.240 List of the track components
    • 130.250 List of the track components
    • 130.420 Wear limits for tracks
    • 130.460 Wear limits for rollers
    • 130.480 Wear limits for idler and sprocket wheels
    • 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
  • 150 Working attachment
    • 150.010 Hydraulic cylinders
    • 150.050 Adjustment of the movements of the working attachment
    • 150.060 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
    • 150.105 Regeneration and line break safety valve for hoist cylinder
    • 150.110 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)
    • 150.300 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
    • 150.810 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
    • 170.015 Central lubrication system
    • 170.018 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
    • 180.060 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
    • 190.045 High pressure circuit 2
    • 190.055 Small flow circuit
    • 190.060 Medium pressure circuit (AS2)
    • 190.070 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
    • 190.105 Stick and hoist cylinder shut-down
    • 190.110 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
    • 190.125 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
    • 190.167 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
    • 190.310 Electric refuelling pump
    • 190.315 Electric refuelling pump
    • 190.320 Pre-heating
    • 190.324 Activating the airflow reversal for cleaning the cooler
    • 190.325 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
    • 200.072 Incompatibilities of the options
    • 200.200 CAN data transmission
    • 200.250 Master 4 A178
    • 200.250 Master 5 A178
    • 200.260 CAN input and output modules
    • 200.270 Addressing of CAN modules
    • 200.410 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
Language
English
Document type
Service manual
Machinery type
hydraulic excavator
LIEBHERR-R926-950-EN-preview.pdf - 4.35MB

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