Liebherr R946 Hydraulic Excavator Operators Service Repair Manual

PIN/Type – 1149, 1150, 1376, 1457
Service Repair Manual: 3360 Pages
Operators Manual (US & Canada version): 318 Pages
Operators Manual (Worldwide Version): 318 Pages
PIN/Type – 1491
Service Repair Manual: 4460 Pages
Operators Manual (Worldwide Version): 368 Pages
Operators Manual (US & Canada version): 368 Pages
PIN/Type: 1149, 1150, 1376, 1457, 1491
Manuals: Operators Manual, 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