Liebherr D934 A7 DPF, D936 A7 DPF, D946 A7 DPF Diesel Engine Service Repair Manual

Table of Content of the Engine Repair Service Manual

1 General Information

• Structure of this Manual

• Important Notes Within This Manual

  • Designation of Activity-Related Notes on Safety

  • Further Designations

• Symbols in This Manual

• Notes on Safety

  • General Notes on Safety

  • Preventing Injury to Persons

  • Preventing Damage to Property

• Notes Regarding Working on the Fuel System and Injection System

  • General Notes on Safety

  • Preventing Injury to Persons

  • Preventing Damage to Property

• Technical Data

  • Engine in General

  • Standard Tightening Torques for Screw Connections

  • Standard Torques for Locking Screws and Banjo Bolts

  • Standard Torques for Metric Threaded Unions

  • Standard Torques for Imperial Threaded Unions

  • Standard Torques for Cutting Ring Threaded Unions

  • Standard Torques for Triple Lock Threaded Unions

  • Standard Torques for VSTI Screw Plugs

  • Special Torques, Tightening Specifications, Installation Specifications and Installation Instructions

    • General Notes

    • Tightening Specification for Main Bearing

    • Tightening Specification for Aggregate Carrier

    • Tightening Specifications for Piston Cooling Nozzle

    • Tightening Specification for Final Regulating Valve and Cold Start Valve

    • Tightening Specification for Oil Intake

    • Tightening Specification for Oil Drain Valve

    • Tightening Specification for Oil Sump (D934)

    • Tightening Specification for Oil Sump (D936 / D946)

    • Tightening Specification for Crankshaft Accessories

    • Tightening Specification for Connecting Rod

    • Tightening Specification for Cylinder Head

    • Installation and Tightening Specification for Counterbalancing Shafts (D934)

    • Tightening Specification for Rocker Arm Support

    • Installation and Tightening Specification for Camshaft

    • Tightening Specification for Camshaft Sprocket on Aggregate Carrier and Flywheel Side

    • Tightening Specification for Oil Cooler

    • Tightening Specification for Oil Cooler Housing (D934)

    • Tightening Specification for Oil Cooler Housing (D936 / D946)

    • Tightening Specification for Fitting in Oil Filter Bracket

    • Installation and Tightening Specification for High-Pressure Pump

    • Installation and Tightening Specification for Injector and Pressure Pipe Tube

    • Installation Instruction for Cable Harness on Injector

    • Tightening Specification for Sensors

    • Installation Instruction for Cable Harness

    • Installation Instruction for Air Intake

    • Installation Instruction for Intercooler

    • Tightening Specification for Heater Flange

    • Tightening Specification for Idler

    • Tightening Specification for Air Compressor Gear

    • Installation Instruction for Coolant Pump

    • Installation Instruction for Thermostat Housing and Thermostat (3rd Thermostat)

    • Installation Instruction for Thermostat Housing and Thermostat

    • Installation Instruction for Water Manifold

    • Installation Instruction for Charge Air Duct

    • Installation Instruction for Exhaust Stack

    • Tightening Specification for Coolant Pump

    • Installation Instruction for Exhaust Gas Recirculation Module

    • Tightening Specification for Exhaust Gas Recirculation

    • Installation Instruction for Exhaust Gas Recirculation Housing

    • Tightening Specification for Thermal Protection Plate

    • Installation Instruction for Actuator

    • Installation Instruction for Turbocharger (Low Pressure)

    • Installation Instruction for Exhaust Manifold

    • Installation Instruction for Exhaust Manifold

    • Tightening Specification for Exhaust System

    • Installation Instruction for Turbocharger (High Pressure)

    • Tightening Specification for Generator Belt Pulley

    • Tightening Specification for Flywheel Housing

    • Tightening Specification for Flywheel

    • Tightening Specification for Mounting of Control Units and Mounting of Sensor

    • Tightening Specification for Power Take-Off

    • Installation and Tightening Specification for Fuel Line Between Injection and Dosing Unit (D936)

    • Installation and Tightening Specification for Injection Unit

    • Installation and Tightening Specification for Dosing Unit

    • Tightening Specification for Particle Filter (Installed on the Machine Side)

  • Cleaning Agents, Thread-Locking Adhesives and Greases

• Representations of the Engine and Engine Components

  • Gear Train (D934)

  • Gear Train (D936 / D946)

• Diagram of the Fuel System

  • Representation of Overall System

• Diagram of Lube Oil System

• Diagram of Coolant System

• Allocation of Ducts in the Crankcase and in the Cylinder Head

• Tools

  • Special Tools

    • Lifting Beam

    • Engine Assembly Stand

    • Lifting Device for Flywheels (SAE0, SAE1 and SAE2)

    • Turning Gears

    • Mounting Bolts

    • Angle of Rotation Devices

    • Torx Tools

    • Installing and Dismantling the Cylinder Liner

    • Checking Excess Length of the Cylinder Liners

    • Installing and Dismantling the Front Crankshaft Seal

    • Installing and Dismantling the Crankshaft

    • Installing and Dismantling the Piston with Connecting Rod and Piston Rings

    • Installing and Dismantling the Piston Rings

    • Installing and Dismantling Valve Stem Seals, Valve Springs and Valves

    • Installing and Dismantling the Counterbalancing Shafts

    • Dismantling and Installing the Camshafts

    • Installing and Dismantling the Injection Lines

    • Installing and Dismantling the Pressure Pipe Tube and Injector

    • Installing and Dismantling the Flywheel

    • Installing and Dismantling the Rear Crankshaft Seal