Description
The Factory Service Manual for the Liebherr Excavator. Includes detailed illustrations, instructions, and diagrams that facilitate step-by-step processes for the removal and installation, assembly and disassembly, servicing, inspection, repair, troubleshooting, tune-ups.
Issued: 1982-1988
Language: English
Pages: 1299
Bookmarks
Wiring Diagrams
Hydraulic Diagrams
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Models
Liebherr Excavator
A900
A902
A912
A922
A942
Contents
-TABLES / DATA / TORQUE
Description Of Metric Bolts / Wrench Sizes
Tightening Torques Bolts Grade
Tightening Torques Bolts Grade
Tightening Torques Bolts Grade
Tightening Torques For Durlock Bolts Grade
Tightening Torques For Ermeto Connections
Hole Diameters For Tapping Standard Metric Thread
Hole Diameters For Tapping Fine Metric Thread
ISO – Tolerances
Graphic Symbols For Hydraulic And Pneumatic Schematics
Graphic Symbols For Electrical Diagrams
-TOOLS / SPECIAL TOOLS
Special Tools For Excavator
Mini Text System
Pressure Gauge
Flow Meter
Test Fitting
Spool Clamp
Leakage Plate
Spool Travel Measuring Tool
Mounting Tool For Hydraulic Cylinder, Pumps And Variable Flow Motors
Piston Wrench
Piston Nut Wrench
Piston Nut Wrench
Test Fitting For Variable Flow Motors LMV
Removing Device For Transmital Travel Gear
-WELDING
Welding Joints
-LUBRICANTS
Lubricant Chart
Lubricating Oil
-TECHNICAL DATA / INSPECTION SCHEDULE
Technical Data A 900
Technical Data A 902
Technical Data A 912
Technical Data A 922
Technical Data A 942
Inspection Schedule A 900
Inspection Schedule A 902
Inspection Schedule A 912
Inspection Schedule A 922
Inspection Schedule A 942
-ENGINE
Deutz Engine FL 912
Deutz Engine BFL 913/913 C
Deutz Engine FL 912
Liebherr Engine D 904 NA / D 904 T
Liebherr Engine D 906 NA / D 906 T
Sensor Controlled Low Idle Automatic
Sensor Controlled Low Idle Automatic
-SWING GEAR / SWING BRAKE
Torque Value
Remove And Install Swing Gear A 9001A/R 902 – 912
Remove And Install Swing Gear A/R 922 / R 9321 A/R 942
Disassembly / Assembly Instructions A 9001 A/R 902 – 912
Disassembly / Assembly Instructions A/R 922 / R 9321 A/R
Swing Brake / Maintenance And Pressure Settings
Swing Brake / Remove And Install
Swing Brake / Function And Operating / Bleed Brake System
Repair And Function Of Wheel Cylinder With Brake Assembly
Repair And Function Of Master Cylinder
Swing Brake Troubleshooting
-HYDRAULIC SYSTEM
General Information
Hydraulic System Pressure Settings
Hydraulic System A 900
Hydraulic System A 902
Hydraulic System A 912 / A 922
Hydraulic System A 942
Pressure Cut In / Lift
Front / Rear Outriggers
Hydraulic Servo System
Servo Control With Joystick
Servo Control With Foot Pedal
Control Valves
Control Valves NG 16 / NG 22
Pressure Relief Valve – Direct Acting
Pressure Relief Valve – Pilot Operated
Two Way Pressure Relief Valve
Suction Valve
Thermostat Valve
Flow Divider
Restrictor Check Valve
Check Valve With Hydraulic Release
Travel Brake Valve
Pressure Relief Valve With Pressure Cut In
Hydraulic Pump
Pump Flow Diagram
Hydraulic Variable Flow Motor A6V (Hydromatik)
Hydraulic Fixed Displacement Motor LMF
Hydraulic Variable Flow Motor Lmf (Liebherr)
-AIR PRESSURE SYSTEM
Pressure Chart
Description And Function A 900
Description And Function A 902 / A 912 / A 922
Description And Function Of Components
-ROTARY CONNECTION
Five-Way Air Rotary Connection
Oil Rotary Connection “Grau”
Oil Rotary Connection “Sigma”
Oil Rotary Connection “Liebherr”
-ELECTRICAL SYSTEM
General Notes
Battery Handling And Maintenance
Starter
Alternator
Glow Plug
Electrical System A 900
Electrical System A 902 – A 922
Electrical System A 902 – A 922
-HEATER / AIR CONDITIONER
Engine Oil Heater
Cab Heater Installation A/ R 900
Cab Heater Installation A 902 – A 922
Cab Heater Installation A 942
Cab Heater D1L
-TWO SPEED GEAR BOX
Remove And Install / Gearbox
Disassembly And Assembly / Two Speed Gear Box
-FRONT AND REAL AXLE / DIFFERENTIAL
Examples Of Gleason Gear
Removing And Installation Of Front Axle And Differential
Removing And Installation Of Rear Axle And Differential
Disassembly And Assembly Of Differential
Removing And Installing / Front Axle
Removing And Installing / Rear Axle
-HYDROSTATIC STEERING
Hydrostatic Steering
Servostat
Flow Indicator
-OSCILLATING AXLE SUPPORT
Oscillating Axle Support A 900 / A 942
Oscillating Axle Support A 902 – A 922
-BRAKES
Pressure Chart And Instructions
Removing And Installing – Four Wheel Brake
Construction And Function Of Brakes I Bleeding
Function And Adjusting – Hydraulic Simplex Brake
Function And Repair Of Master Cylinder
Troubleshooting
Function And Instructions Of Brake (Pneumatic)
Function And Adjusting Of Brake (Mechanical)
Troubleshooting
-SWING RING
Remove And Install Swing Ring
-SPECIAL EQUIPMENT / ACCESSORY KITS
Overload Wirning Device
Hoist Limit
Hoist Limit
Load Check Valve
Attachment
Attachment For Elevated Cab
Grapple Attachment
Grapple Rotary Device
Quick Change Coupling
Pin Lock
Limit Switch For Industrial Attachment
Crane Attachment
Industrial Crane
Adjustable Cab
Dumping Attachment
Dozer Blade
Outrigger Control
Sliprinq Rotary Connection
Hydraulic Hammer
Special Attachment
-HYDRAULIC CYLINDER
Hydraulic Cylinder – Torque Values
Hydraulic Cylinder – Removing And Installing
Hydraulic Cylinder Without Cushioning
Hydraulic Cylinder Without/With Cushioning
Hydraulic Cylinder – Steering
Hydraulic Cylinder
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