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AGCO Power 66 - User Manual

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Workshop Service Manual
4th Generation Engines
AGCO POWER
Linnavuori
AGCO Power - Linnavuorentie 8-10 - FIN-37240
Linnavuori, Nokia, Finland
© AGCO 2014
November 2014
8370 79492
EAME
English

Table of Contents

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Summary

1. Introduction

1.1 Safety Instructions

Provides essential safety instructions and remarks for engine use and service.

1.2.4 Lifting the Engine

Provides safety instructions and methods for lifting the engine correctly.

1.3.2 Technical Data

Presents key technical data for engine dimensions, fuel, lubrication, and cooling systems.

1.3.15 Service Tool of the Engine Control System

Describes the service tool for operating the EEM4 engine control system and its functions.

2. Specifications

2.1 Technical Data

Presents detailed technical data for engine components like block, head, crankshaft, and more.

2.1.1 Cylinder Block

Provides dimensions and specifications for the cylinder block for different engine types.

2.1.2 Cylinder Liners

Details specifications for cylinder liners, including protrusion and flange height.

2.1.3 Cylinder Head

Lists specifications for the cylinder head, including height, bolt length, and valve dimensions.

2.1.4 Valves and Rockers

Provides specifications for valves, rockers, their dimensions, and clearances.

2.1.5 Tappets and Push Rods

Details specifications for tappets and push rods, including diameter and length.

2.1.6 Camshaft

Lists specifications for the camshaft, including journal diameters and clearances.

2.1.7 Crankshaft

Provides detailed specifications for the crankshaft, including journal and pin diameters.

2.1.11 Connecting Rod

Provides specifications for connecting rods, including bearing shell thickness and clearance.

2.1.12 Piston, Rings and Pin

Details specifications for pistons, rings, and pins, including diameter and clearances.

2.1.16 Turbocharger

Details turbocharger specifications, including clearances and screw torques.

2.2 Tightening Torques

Lists critical tightening torques for various engine components and fasteners.

2.3 Special Tools

Describes special tools required for engine maintenance and repair.

2.3.1 Cylinder Block Tools

Lists special tools required for cylinder block maintenance and assembly.

2.3.2 Timing Gear and Flywheel Housing Tools

Lists special tools for timing gear and flywheel housing maintenance.

2.3.3 Cylinder Head and Valve Mechanism Tools

Lists special tools for cylinder head and valve mechanism servicing.

2.3.4 Crank Mechanism Tools

Lists special tools required for crankshaft and connecting rod maintenance.

2.3.5 Coolant Pump Tools

Lists special tools needed for coolant pump servicing.

2.3.6 Engine Control System Tools

Lists special tools required for the engine control system.

2.4 Liquid Quality Requirements

Specifies quality requirements for lubricating oil, coolant, and fuel.

2.4.1 Lubricating Oil Quality Requirements

Details the quality grades and viscosity requirements for lubricating oils.

2.4.3 Fuel Quality Requirements

Outlines the quality requirements for diesel fuel, including density, viscosity, and cetane number.

3. Maintenance

3.3.1 Removing Cylinder Head

Detailed procedure for removing the cylinder head, including disconnecting components.

3.3.9 Fitting Cylinder Head

Procedure for fitting the cylinder head, including gasket, bolts, and manifold.

3.4.3 Adjusting Valves

Procedure for adjusting valve clearances based on engine type and injection order.

3.5 Crankshaft

Procedures for removing, checking, fitting crankshafts, and related components.

3.5.1 Removing Crankshaft

Detailed procedure for removing the crankshaft and associated components.

3.5.4 Fitting Crankshaft

Instructions for fitting the crankshaft, including bearing shells and thrust bearings.

3.6 Connecting Rods and Pistons

Covers removing pistons, changing bearings, checking rods, and fitting rings/pistons.

3.6.1 Removing Pistons Together with Connecting Rods

Procedure for removing pistons and connecting rods as a unit.

3.6.2 Changing Connecting Rod Bearings

Instructions for changing connecting rod bearings, including piston pin bushings.

3.6.4 Changing Piston Rings

Steps for removing, cleaning, measuring, and fitting piston rings.

3.6.7 Fitting Piston Together with Connecting Rod

Procedure for fitting the piston and connecting rod assembly, including ring gap placement.

3.9.1 Removing Timing Gear Casing

Detailed procedure for removing the timing gear casing.

3.9.2 Fitting Timing Gear Casing

Procedure for fitting the timing gear casing, including sealant and tension pins.

3.10.2 Removing and Dismantling Lubricating Oil Pump

Detailed procedure for removing and dismantling the lubricating oil pump.

3.10.3 Assembling and Fitting Lubricating Oil Pump

Procedure for assembling and fitting the lubricating oil pump.

3.11.4 Reconditioning Coolant Pump

Detailed procedures for reconditioning coolant pumps with standard and heavy duty bearings.

3.12.3 Checking the Turbocharger

Procedure for checking turbocharger for faults, oil leaks, and clearances.

3.13.1 Bleeding the Fuel System

Procedure for bleeding air from the fuel system using the hand pump.

3.13.2 Measuring Fuel Feed Pressure

Procedure for measuring fuel feed pressure and identifying potential causes for low pressure.

3.13.3 Inspecting Injectors

Safety warnings and procedures for inspecting and testing injectors.

3.13.4 High-Pressure Pump

Covers removing and fitting the high-pressure pump.

3.13.4.1 Removing the High-Pressure Pump

Detailed procedure for removing the high-pressure pump.

3.13.4.2 Fitting the High-Pressure Pump

Procedure for fitting the high-pressure pump, including O-rings and screws.

3.15 Engine Control System

Covers changing the ECU and wiring sets.

3.15.1 Changing the Electronic Control Unit

Detailed procedure for changing the electronic control unit (ECU).

AGCO Power 66 Specifications

General IconGeneral
Engine ModelAGCO Power 66
Displacement6.6 liters
Fuel SystemCommon Rail
Bore x Stroke108 x 120 mm
Compression Ratio17.5:1
Cylinder Count6
Engine TypeDiesel
Cooling SystemLiquid
Emission LevelTier 4 Final

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