Liebherr R926 Compact Hydraulic Excavator Operators Service Repair Manual

PIN/Type – 1298 & 1299
Service Repair Manual: 3360 Pages
Operators Manual: 342 Pages
PIN/Type: 1298 & 1299
Manuals: Operators Manual, Repair Manual

Table of Content – Liebherr R926 Compact Hydraulic Excavator Type 1298 & 1299 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
010.028 Tightening torques for pressure relief valves
010.032 Tightening torques for fittings
010.050 Special tools for maintenance and repair
010.051 Special tools for the hydraulic system
010.052 Special tools for electrical connectors
010.053 Special tools for Diesel engines
010.054 Special tools for gears
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 and inspection schedule
030.057 Confirmation of maintenance
030.060 Adjustment check list and procedure (from software version 114)
030.061 Adjustment check list and procedure (from software version 129)
030.062 Adjustment check list and procedure (from software version 133)
030.063 Adjustment check list and procedure (from software version 156)
030.065 Adjustment check list and procedure (from software version 117)
030.066 Adjustment check list and procedure (from software version 133)
030.067 Adjustment check list and procedure (from software version 156)
030.070 Adjustment check list and procedure (from software version 103)
030.071 Adjustment check list and procedure (from software version 114)
030.072 Adjustment check list and procedure (from software version 129)
030.073 Adjustment check list and procedure (from software version 133)
030.080 Adjustment check list and procedure (from software version 103)
030.081 Adjustment check list and procedure (from software version 114)
030.082 Adjustment check list and procedure (from software version 129)
030.083 Adjustment check list and procedure (from software version 133)
030.090 Automatic compensation of regulation solenoid valves for 10854682_103 to 108
040 Drive group
040.020 Diesel particle filter
040.030 Coupling
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
060.010 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
060.034 Hydraulic schematic (with dozer blade)
060.038 Description of the hydraulic system
060.040 Components list
060.042 Hydraulic schematic
060.048 Description of the hydraulic system
060.050 Components list
060.052 Hydraulic schematic
060.055 Hydraulic schematic (with dozer blade)
060.058 Description of the hydraulic system
060.060 Components list
060.065 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
080.150 Variable-displacement pump MVP
080.160 Servo control pump
080.170 Pump for distribution gear oil cooling
080.175 Gear pumps AZP
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
080.240 Pilot control unit / lateral double pedal
080.303 Axial piston hydraulic motor MT45
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
080.410 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
110.021 Operator’s cab – electrical diagrams
> XS23
110.030 Operator’s cab – electrical diagrams
110.200 Uppercarriage – arrangement of electrical components
110.220 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
110.500 Uppercarriage – arrangement of electrical components
110.520 Uppercarriage – electrical diagrams
110.680 Diesel engine D834 – electrical diagrams
110.700 Liebherr Diesel engine – arrangement of electrical components
110.720 Diesel engine D934 – electrical diagrams
110.741 Diesel engine D936 – electrical diagrams
120 Travel gearbox
120.005 List of travel gear mechanisms
120.010 Travel gear mechanism – line P(c)
120.015 Travel gear mechanism – 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
130.210 List of the track components
130.220
130.230 List of the track components
130.400 Wear on the track components
130.410 Wear limits for the track components
130.450 Identification of the crawler chain type
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
150.090 Stick and hoist cylinder shut-down
150.095 Stick cylinder protection (damping)
150.105 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 Line break safety valve for stick cylinder
150.350 Preparation for third party hydraulic quick coupler
150.400 Removing and installing the stick to the boom
150.800 Dozer 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
170.010 Central lubrication system
170.020 Troubleshooting
170.030 Lubrication 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
190 Equipment and options
190.015 High pressure circuit 1
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
190.100 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
190.155 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
190.180 Special working attachments and tools
190.185 Adjustable boom
190.190 LiDAT remote diagnosis system (LiTU 2 – Master 4)
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
190.325 Activating the reverse air jet for cleaning the cooler
190.327 Tropical execution
190.328 Auxiliary heater
190.400 Travel alarm
190.410 Screen wiper
190.415 Overload warning system
190.430 Immobiliser
190.440 Video surveillance
200 Diagnosis
200.005 Updating the machine software (Master 4)
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
200.405 Troubleshooting for camera
200.410 Display
200.505 Connection to Sculi
200.530 Sculi – access to the variables
200.600 Sculi – Wizard utility