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Liebherr R920, R922, R924, R925 hydraulic excavator pdf service manual

Name: Liebherr R920, R922, R924, R925 hydraulic excavator pdf service manual
Brand: Liebherr
SKU: LIEBHERR-R920-R925
Price: 41.9 USD
Availability: InStock

Reference LIEBHERR-R920-R925

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Format: PDF

Pages: 650

File size: 27.81 MB

Language: English

Models: R920 1545; R922 1442 - 1443; R924 1444 - 1445; R925 1444

Service manual for R920, R922, R924, R925 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-R920-R925-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
- 030.005 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
- 080.045 Double variable-displacement pump A28 VO
- 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
- 080.306 A31FD hydraulic motor
- 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
- 130.420 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
- 130.800 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
110 Electrical system
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
- 190.192 GPS system
- 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
- 200.250 Master A178
- 200.260 CAN modules
- 200.410 Display
- 200.505 Connection to Sculi
- 200.530 Sculi – access to the variables
- 200.600 Sculi – Wizard utility

Document type: Service manual
Language: English
Machinery type: hydraulic excavator

Brand

LIEBHERR-R920-R925-EN-preview.pd - 303.35KB

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