New Holland 667TA/EEG, 667TA/EEC, 667TA/EBF, 667TA/EED, 667TA/EBJ, 667TA/EDJ. ENGINE REPAIR MANUAL (2006)

ENGINE REPAIR MANUAL

TABLE OF CONTENTS

CHAPTER 1

DIAGNOSTICS

TABLE OF CONTENTS

1-1

CNH- EST DIAGNOSTIC TOOL

1-3

TROUBLESHOOTING

1-4

CHAPTER 2

667TA ENGINE OVERHAUL

TABLE OF CONTENTS

2-1

ENGINES

2-5

CODING OF SOURCE ENGINES

2-6

ENGINE PROPERTIES

2-6

GENERAL ENGINE FEATURES

2-7

CRANK GEAR COMPONENTS AND CYLINDER ASSEMBLY

2-9

VALVE GEAR - CYLINDER ASSEMBLY

2-12

TORQUE SPECIFICATIONS

2-14

SPECIAL TOOLS

2-16

667TA ENGINES

2-17

DESCRIPTION OF MAIN ENGINE COMPONENTS

2-18

EGR EXHAUST GAS RECIRCULATION SYSTEM

2-22

ENGINE LUBRICATION

2-30

ENGINE COOLING

2-35

HIGH PRESSURE ELECTRONIC INJECTION SYSTEM (COMMON RAIL)

. . 2-37

EDC7UC31 -ELECTRONIC CONTROL UNIT OPERATION

2-38

FUEL SUPPLY SYSTEM

2-40

COMMON RAIL

2-50

COMMON RAIL PRESSURE RELIEF VALVE

2-51

ELECTRO-INJECTOR

2-52

LOCATION OF THE MAIN ELECTRICAL COMPONENTS

2-55

CHECKING THE FUEL SYSTEM

2-67

ENGINE OVERHAUL ON THE BENCH

2-72

CHECKS AND SPECIFICATIONS ON ENGINE CRANKCASE

2-82

CRANKSHAFT

2-87

ENGINE FLYWHEEL

2-102

CYLINDER HEAD

2-107

VALVES

2-108

VALVE GUIDE

2-109

VALVE SEATS

2-110

VALVE SPRINGS

2-112

CYLINDER HEAD

2-112

RODS AND TAPPETS

2-115

CHAPTER 3

CHARGING AND START-UP

TABLE OF CONTENTS

3-1

STARTER MOTOR

3-3

ALTERNATOR

3-6

87519804 NA

Issued 11-06

Bur

ENGINE REPAIR MANUAL

CHAPTER 1 - DIAGNOSTICS

CNH America LLC reserves the right to make improvements in design or changes in specifications at any time without incurring any

obligation to install them on units previously sold.

All data given in this publication is subject to production variations. Dimensions and weights are only approximate. Illustrations do

not necessarily show products in standard condition. For exact information about any particular product, please consult your Dealer

Revision History

Issue

Issue Date

Applicable Machines

Remarks

667TA/EEG 667TA/EEC 667TA/EBF

First Edition

11-2006

87519804 NA

667TA/EED 667TA/EBJ 667TA/EDJ

1-II

Issued 11-06

Bur

87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 1 - DIAGNOSTICS

TROUBLESHOOTING

ENGINE WON’T START

Perform the checks described in the

Batteries fully charged.

Electrical section of the Shop manual.

Yes

Connections to battery terminals are tight

Inspect, clean, tighten or replace

and clean.

connections.

Yes

Perform the checks described in the

Starter motor working properly.

Electrical section of the Shop manual.

Yes

Pre-Post heating system working properly.

Check using a multi meter replace or repair.

Yes

Fuel filters plugged.

Yes

Replace.

The fuel system or injection pump shows

Yes

Check and repair air leaks.

signs of air in system.

Check and clean the fuel system including

The fuel system shows traces of water.

Yes

the fuel tank.

Check using Electronic Service Tool (EST)

High pressure pump working properly.

and repair or replace if necessary.

Yes

Check using Electronic Service Tool (EST).

Injectors working properly.

Check O-ring seal.

Replace injectors if defective.

Yes

Check each cylinder for proper

compression, overhaul the engine or make

Compression good on all cylinders.

repairs on defective parts (valves, piston

rings, etc.).

1-4

Issued 11-06

Bur

87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 1 - DIAGNOSTICS

ENGINE OVERHEATS

Check for leaks, repair leaks and refill to

Coolant level correct.

proper level.

Yes

Fan working properly.

Replace.

Yes

Drive belts in serviceable.

Replace.

Yes

Check for leaks, bad bearing, overhaul or

Water Pump in working properly.

replace.

Yes

Thermostat working properly.

Replace.

Yes

Wash down, repair leaks and flush out

Radiator plugged or leaking.

Yes

radiator. If necessary replace radiator.

Oil in radiator fluid.

Yes

Replace oil cooler.

Air to Air Cooler and hoses leaking.

Yes

Clean or replace faulty parts.

Openings for coolant flow within the cylinder

Yes

Clean thoroughly.

head and engine block plugged.

Check and adjust for correct valve

Valve clearance correct.

clearance.

Yes

Cylinder head gasket in leaking.

Yes

Replace.

87519804 NA

Issued 11-06

Bur

1-5

ENGINE REPAIR MANUAL

CHAPTER 1 - DIAGNOSTICS

ENGINE LACKS POWER AND RUNS ERRATICALLY

Air filter plugged.

Clean the filter and replace if necessary.

Yes

Fuel filters in plugged.

Replace.

Yes

Fuel system working properly.

Check and make if necessary repair.

Yes

Take off the hoses and injection pump,

The fuel system shows impurities and or

Yes

clean and dry thoroughly, then if necessary

traces of water.

clean and dry the fuel tank.

Thermostat working properly.

Replace.

Yes

Check using the Electronic Service Tool

High pressure pump working properly.

(EST) and repair or replace if necessary.

Yes

Check using the Electronic Service Tool

Injectors working properly.

(EST) and repair or replace if necessary.

Yes

Check for leaks around O-rings and

High pressure fuel side leaking.

Yes

gaskets.

Turbocharger working properly.

Repair or replace the unit.

Yes

Correct valve clearance.

Adjust the clearance to proper value.

Yes

Check each cylinder for proper

compression, overhaul the engine or make

Compression good on all cylinders.

repairs on defective parts (valves, piston

rings, etc.).

1-6

Issued 11-06

Bur

87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 1 - DIAGNOSTICS

ENGINE EXHAUST SMOKE BLACK OR DARK GREY

Air filter plugged.

Clean the filter and replace if necessary.

Yes

Check using the Electronic Service Tool

Electronic fuel system working properly.

(EST) and repair or replace if necessary.

Yes

Fresh clean diesel fuel in tank.

Clean the tank and replace the fuel filter.

Yes

Check each cylinder for proper

compression, overhaul the engine or make

Compression good on all cylinders.

repairs on defective parts (valves, piston

rings, etc.).

ENGINE EXHAUST SMOKE GREY (VERGING ON WHITE)

Check using the Electronic Service Tool

Injectors working properly.

(EST) and repair or replace if necessary.

Yes

Possible flow of coolant into the combustion

Coolant level correct.

chamber; replace the cylinder head gasket

or overhaul the engine.

Yes

Pre-Post heating system working properly.

Check using a multi meter replace or repair.

Yes

Fresh clean diesel fuel in tank.

Clean the tank and replace the fuel filter.

ENGINE EXHAUST SMOKE LIGHT BLUE

Check: oil vapor breather, cylinder

compression. Leaks into or out of

Excessive oil consumption.

Yes

turbocharger. Leaks from valve guides.

Overhaul cylinder head or engine if

necessary.

Check the high pressure fuel pump O-ring,

Oil contaminated with diesel fuel.

Yes

injector O-ring for failure, or cylinder head

porosity.

87519804 NA

Issued 11-06

Bur

1-7

ENGINE REPAIR MANUAL

CHAPTER 1 - DIAGNOSTICS

ENGINE KNOCKS IRREGULARLY

Check the following items: Journal play and

out-of -roundness, bolt torque for main

Knock detected in the crankshaft.

Yes

journal caps and engine flywheel, oil

pressure. Replace the defective parts or

overhaul the engine.

Check the following items: Rod journal end

play and out-of -roundness, bolt torque for

Knock detected in the connecting rods.

Yes

connecting rod caps, connecting rod

torsion, straightness. Replace defective

parts or overhaul the engine.

Check the following items: Play between the

pistons and the cylinder liners, integrity of

Knock detected in pistons.

Yes

piston rings, play between the pins and the

piston hubs. Replace the defective parts or

overhaul the engine.

Check the following items: Play between the

rocker arms and the valves, injection pump

Knock detected in the cylinder head.

Yes

timing, valve timing. Adjust to proper

specification.

Check and replace if necessary the gears.

Inspect for broken springs, excessive play

Knock detected in valve gear.

Yes

between the stems and guides, and the

tappets and seats. Adjust the clearance.

Check using the Electronic Service Tool

Knock detected in injectors.

Yes

(EST) and repair or replace if necessary.

Replace loose screws and tighten all

Knock detected in the engine flywheel.

Yes

screws to the specified torque and angles.

1-8

Issued 11-06

Bur

87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 1 - DIAGNOSTICS

ENGINE STOPS

Fuel tank filled.

Refuel and drain if necessary.

Yes

Fuel filters plugged.

Yes

Replace.

Check the circuit and make necessary

Fuel system in working properly.

adjustments or repairs.

Yes

Valve timing correct.

Make necessary adjustments.

EXCESSIVE OR INSUFFICIENT OIL PRESSURE

Oil pressure control valve working properly.

Check and replace if necessary.

Yes

Proper engine oil SAE viscosity.

Replace engine oil with proper viscosity oil.

Yes

Oil pump delivering proper pressure.

Check and replace if necessary.

Yes

Main bearings and connecting rod bearings

Replace the bearings and reface if

in acceptable condition.

necessary the crankshaft.

EXCESSIVE FUEL CONSUMPTION

Repair leaks (if any) and replace the worn

Fuel tank and lines leaking.

Yes

parts.

After cooler leaking.

Replace.

Yes

Check using the Electronic Service Tool

Electronic fuel injection system operating

(EST) and repair or replace if necessary.

properly.

87519804 NA

Issued 11-06

Bur

1-9

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

CNH America LLC reserves the right to make improvements in design or changes in specifications at any time without incurring any

obligation to install them on units previously sold.

All data given in this publication is subject to production variations. Dimensions and weights are only approximate. Illustrations do

not necessarily show products in standard condition. For exact information about any particular product, please consult your Dealer

Revision History

Issue

Issue Date

Applicable Machines

Remarks

667TA/EEG 667TA/EEC 667TA/EBF

First Edition

11-2006

87519804 NA

667TA/EED 667TA/EBJ 667TA/EDJ

2-II

Issued 11-06

Bur

87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

CHAPTER 2

667TA ENGINE OVERHAUL

TABLE OF CONTENTS

ENGINES

2-5

CODING OF SOURCE ENGINES

2-6

ENGINE PROPERTIES

2-6

GENERAL ENGINE FEATURES

2-7

CRANK GEAR COMPONENTS AND CYLINDER ASSEMBLY

2-9

VALVE GEAR - CYLINDER ASSEMBLY

2-12

TORQUE SPECIFICATIONS

2-14

SPECIAL TOOLS

2-16

667TA ENGINES

2-17

DESCRIPTION OF MAIN ENGINE COMPONENTS

2-18

Engine Block

2-18

Crankshaft

2-19

Crankshaft Oil Seals

2-19

Connecting Rods

2-20

Pistons

2-21

Camshaft

2-22

EGR EXHAUST GAS RECIRCULATION SYSTEM

2-22

Valve Control

2-23

Cylinder Head Engines: 667TA/EBF - 667TA/EBD - 667TA/EED

2-24

Cylinder Head Engines: 667TA/EEG - 667TA/EEC

2-25

Cylinder Head Engine: 667TA/EDJ

2-26

Valves and Valve Seats

2-27

Valve Bridges

2-27

Engine Head Machining

2-28

Engine Flywheel

2-28

Accessory Equipment Drive

2-29

ENGINE LUBRICATION

2-30

Oil Cooler

2-31

Oil Pressure Control Valve

2-31

By-pass Valve

2-31

Oil Pump

2-32

Oil Pan (Sump) Engines: 667TA/EEG-

667TA/EEC- 667TA/EBF- 667TA/EED- 667TA/EDJ

2-32

Oil Pan (Sump) Engines: 667TA/EED-

667TA/EBD

2-33

Engine Oil Vapor Recirculation

2-34

Blow-by Recirculation

2-34

ENGINE COOLING

2-35

Water Pump

2-36

HIGH PRESSURE ELECTRONIC INJECTION SYSTEM (COMMON RAIL)

2-37

EDC7UC31 -ELECTRONIC CONTROL UNIT OPERATION

2-38

Engine Preheating Element Control

2-38

Phase Recognition

2-38

Injection Control

2-38

Injection Pressure Closed Loop Control

2-38

Pilot and Main Injection Advance Control

2-38

87519804 NA

Issued 11-06

Bur

2-1

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

Idle Speed Control

2-38

Overheating Protection

2-38

Maximum Engine Speed Limiting

2-38

Cut Off

2-38

Smoke Control Under Acceleration

2-38

After Engine Shut Down

2-38

Control Of Working Speed In Normal Operating Conditions

2-38

Recover Strategies

2-39

FUEL SUPPLY SYSTEM

2-40

Fuel Supply System Diagram

2-41

Fuel Filter

2-42

Mechanical Supply Pump- Normal Operating Condition

2-43

Mechanical Supply Pump- Outlet Overpressure Condition

2-43

Fuel System Bleeding

2-44

High Pressure Pump Type CP3.3

2-45

High Pressure Pump Inside Structure

2-47

Operating Principal

2-48

Theory Of Operation

2-49

COMMON RAIL

2-50

COMMON RAIL PRESSURE RELIEF VALVE

2-51

ELECTRO-INJECTOR

2-52

Injection End

2-52

Electro-injector

2-53

Pressure Limiter For Fuel Return

2-54

LOCATION OF THE MAIN ELECTRICAL COMPONENTS

2-55

EDC7UC31 Electronic Control Unit

2-56

Cabling Connector Pinout On Engine

2-57

Connector (A) Injectors Pinout Diagram

2-58

Connector (C) Sensors Pinout Diagram

2-58

Crankshaft Sensor

2-59

Camshaft Sensor

2-59

Boost Temperature - Pressure Sensor

2-60

Engine Oil Temperature - Pressure Sensor

2-60

Common Rail Fuel Pressure Sensor

2-61

Electro-injectors

2-62

Intake Air Pre-Post Resistance Heater and Relay

2-63

Coolant Temperature Sensor

2-64

Fuel Temperature Sensor

2-65

High Pressure Pump - Pressure Regulator

2-66

CHECKING THE FUEL SYSTEM

2-67

Low Pressure Supply Test

2-67

Low -pressure Pump

2-68

Test On the Pressure Relief Valve On the Common Rail

2-69

Test On Fuel Backflow From the Return

2-70

ENGINE OVERHAUL ON THE BENCH

2-72

Disassembling the Engine

2-72

CHECKS AND SPECIFICATIONS ON ENGINE CRANKCASE

2-82

Checks and Measurements

2-82

Checking the Eccentric Lift and Bearing Surface

2-83

Bearings

2-83

Checking the Crankcase Cylinder Head Mating Surface

2-84

Camshaft Timing

2-85

Replacing the Cam Bearings

2-85

Tappets

2-85

2-2

Issued

11-06

Bur

87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

Installing the Tappets and Camshaft

2-86

CRANKSHAFT

2-87

Measuring the Journals and Crankpins

2-87

Replacing the Oil Pump Drive Gears

2-89

Installing the Main Bearings

2-89

Measuring the Journal Assembly Play

2-89

Checking Crankshaft Shoulder Play

2-90

Connecting Rod-Piston Assembly

2-91

Measuring The Piston Diameter

2-92

Piston Pins

2-92

Conditions For Correct Pin/Piston Matching

2-93

Piston Rings

2-93

Connecting Rods

2-94

Bearings

2-95

Checking the Connecting Rods

2-95

Checking the Twisting

2-95

Checking the Flexing

2-96

Installing Connecting Rod-Piston Assembly Connecting Rod-Piston Coupling

. 2-96

Installing the Piston Rings

2-97

Installing the Connecting Rod-Piston Assemblies In the Cylinder Bores

2-97

Measuring Crank Pin Assembly Play

2-98

Checking Piston Protrusion

2-99

Timing Gear Case

2-99

Valve Timing

2-100

Flywheel Cover Case

2-101

ENGINE FLYWHEEL

2-102

Replacing Engine Flywheel Ring Gear

2-102

CYLINDER HEAD

2-107

Removing the Valves

2-107

Checking Cylinder Head Water Seal

2-108

Checking the Cylinder Head Mating Surface

2-108

VALVES

2-108

Valve Cleaning, Check and Grinding

2-109

Checking Assembly Play, and Valve Centering

2-109

VALVE GUIDE

2-109

VALVE SEATS

2-110

Valve Seat Reconditioning-replacement

2-110

VALVE SPRINGS

2-112

CYLINDER HEAD

2-112

Installing the Cylinder Head

2-113

Installing Injectors

2-113

RODS AND TAPPETS

2-115

Rocker Arm Assembly

2-115

Locating Top Dead Center (TDC)

2-116

Valve Clearance Adjustment

2-116

Wiring Harness Connections To Engine

2-121

87519804 NA

Issued 11-06

Bur

2-3

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

CODING OF SOURCE ENGINES

ENGINE MODEL BREAKDOWN DISCRIPTION

Engine Calibration (Power)

(D) J= 97 kW

(130 H.P.)

(E) G= 137 kW

(183.7 H.P.)

(E) D= 145 kW

(194.4 H.P.)

(E) C= 148 kW

(198.5 H.P.)

(B) F= 157 kW

(210.5 H.P.)

(B) D= 169kW

(226.6 H.P.)

Compression Ratio

B = 16.5:1 > 130 kW (174 H.P.)

D = 17.5:1

< 130 kW (174 H.P.)

E = 17.5:1 > 130kW (174 H.P.)

E= Electronic Injection (Common Rail)

A= Intercooled

T= Turbocharged

67= Total Displacement in Liters/ Cubic Inches- 6.7 Liters (409 Cubic Inches)

6= Number of Cylinders

ENGINE PROPERTIES

667TA

EEG

EEC

EBF

EED

EBD

EDJ

6 CYLINDERS

6728 cm³

(410.6 c.i.)

137 kW

148 kW

157kW

145kW

169 kW

97 kW

(183.7 h.p.)

(198.5 h.p.)

(210.5 h.p.)

(194.4 h.p.)

(226.6 h.p.)

(130.1 h.p.)

2100 rpm

2000 rpm

2200 rpm

Electronic Direct Injection

Common Rail

T.A.A.

(Turbo Charged, Air to Air Cooling)

A. Type of engine

B. Engine model

C. Number of cylinders

D. Total displacement

E. Maximum power currently available

F. Type of Injection

G. Injection system

H. Air supply system

2-6

Issued 11-06

Bur

87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

GENERAL ENGINE FEATURES

BS06K013

Figure 2-5

REF.

667TA

ENGINE TYPE

NO.

EEG

EEC

EBF

EED

EBD

EDJ

Cycle

4- Stroke diesel engine

Air

T.A.A. (Turbo charged, Air to Air cooling)

Injection

Direct

Number of cylinders

6 in-line

Bore

104 mm (4.1 inches)

Stroke

132 mm (5.2 inches)

Total displacement

6728cm³ (410.6 cubic inches)

Compression ratio

137 kW

148 kW

157 kW

145 kW

169 kW

97 kW

2100

2000

2200

rpm

Maximum power rating (net power at flywheel ISO 14396)

184 hp

198 hp

211 hp

194 hp

227 hp

130 hp

2100

2000

2200

rpm

710 Nm

810 Nm

952 Nm

860 NM

1002 Nm

607 Nm

1400

rpm

524

597

702

634

739

607

Maximum Torque

pound

feet

1400

rpm

No-load idle

700 rpm

No-load peak rpm

Boosting (type of turbocharger)

With intercooler HOLSET HX35

87519804 NA

Issued 11-06

Bur

2-7

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

BS06K014

Figure 2-6

REF.

667TA

ENGINE TYPE

NO.

EEG

EEC

EBF

EED

EBD

EDJ

Lubrication.

Forced by means of gear pump. Oil psi control valve.

Oil pressure with hot engine: at idle rpm.

1.2 bar (17.4 psi)

Oil pressure with hot engine: at peak rpm.

3.8 bar (55.1 psi)

Cooling.

Fluid

Water pump drive.

Belt

83 to98° C

Thermostat start of opening temperature.

79 to 83° C (174 to 181° F)

(181 to 208° F)

No Information

Oil capacity 1st filling.

No Information Available

Available

No Information

Oil capacity engine sump.

No Information Available

Available

Oil capacity engine sump + filter.

17 litres (18 qt.)

19 litres (20 qt.)

Feeding Bosch-type injection

High pressure Common Rail

Pump setting

No Information Available

Start of delivery

No Information Available

Type of injector

CRIN 1

CRIN 2

Injection sequence

1 -5 -3 -6 -2 -4

250 - 1600

250 -1400

250 -1600

bar

Injection pressure

3626 -

23206 psi

20305 psi

23206 psi

2-8

Issued 11-06

Bur

87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

CRANK GEAR COMPONENTS AND CYLINDER ASSEMBLY

BS06K015

Figure 2-7

REF.

667TA

ENGINE TYPE

NO.

EEG

EEC

EBF

EED

EBD

EDJ

Cylinder liners.

104.000 to 104.024 mm. (4.0945 to 4.0954 in.)

Pistons:

Supplied as spares

Measurement dimension.

49.5 mm. (1.948813 in.)

Outer diameter.

Ø1=

103.759 to 103.777 mm. (4.0850 to 4.0857 in.)

Pin seat.

Ø2=

38.010 to 38.016 mm. (1.4965 to 1.4967 in.)

Piston - cylinder liners.

0.235 to 0.273 mm. (0.0093 to 0.0107 in.)

Piston diameter.

Ø=

0.4 mm. (0.0157 in.)

Protrusion of pistons from crankcase.

No Information Available

Piston pin.

Ø3=

37.994 to 38.000 mm. (1.4958 to 1.4961 in.)

Piston pin-Pin seat.

0.01 to 0.022 mm. (0.0004 to 0.0009 in.)

X1=

2.705 to 2.735 mm. (0.1065 to 0.1077 in.)

Piston ring grooves

X2=

2.420 to 2.440 mm. (0.0953 to 0.0961 in.)

(measured on Ø of 101 mm 3.976366 in.)

X3=

4.03 to 4.05 mm. (0.1587 to 0.1594 in.)

S1=

2.560 to 2.605 mm. (0.1008 to 0.1026 in.)

Piston rings

S2=

2.350 to 2.380 mm. (0.0925 to 0.0937 in.)

(measured 1.5 mm 0.05905494 in. away from external Ø).

S3=

3.977 to 3.990 mm. (0.1566 to 0.1571 in.)

0.100 to 0.175 mm. (0.0039 to 0.0069 in.)

Piston rings - Slots.

0.04 to 0.09 mm. (0.0016 to 0.0035 in.)

0.04 to 0.083 mm. (0.0016 to 0.0033 in.)

Piston rings.

0.4mm. (0.0157 in.)

87519804 NA

Issued 11-06

Bur

2-9

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

BS06K016

Figure 2-8

REF.

667TA

ENGINE TYPE

NO.

EEG

EEC

EBF

EED

EBD

EDJ

X1=

0.30 to 0.40 mm. (0.0118 to 0.0157 in.)

Piston ring gaps in cylinder liner.

X2=

0.60 to 0.80 mm. (0.0236 to 0.0315 in.)

X3=

0.30 to 0.55 mm. (0.0118 to 0.0217 in.)

Connecting rod small-end bearing seat.

Ø1=

40.987 to 41.553 mm. (1.6137 to 1.6147 in.)

Connecting rod bearing seat.

Ø2=

72.987 to 73.013 mm. (2.8735 to 2.8745 in.)

Connecting rod small-end bearing diameter.

Outer

Ø4=

41.279 to 41.553 mm. (1.6252 to 1.6359 in.)

Inner

Ø3=

38.019 to 38.033 mm. (1.4968 to 1.4974 in.)

Connecting rod small-end bearing seat.

0.266 to 0.566 mm. (0.0105 to 0.0223 in.)

Piston pin - bearing.

0.019 to 0.039 mm. (0.0007 to 0.0015 in.)

Measurement dimension.

No Information Available

Maximum error on connecting rod axis parallelism.

No Information Available

Journals

Ø1=

82.990 to 83.010 mm. (3.2673 to 3.2681 in.)

Crank pins

Ø2=

68.987 to 69.013 mm. (2.7160 to 2.7170 in.)

Main half bearings (supplied as spares).

S1=

2.456 to 2.464 mm. (0.0967 to 0.0970 in.)

Connecting rod half bearings.

S2=

1.955 to 1.968 mm. (0.0770 to 0.0775 in.)

Main bearing- journals

Numbers 1, 7

Ø3

87.982 to 88.008 mm. (3.4638 to 3.4649 in.)

Numbers 2, 3, 4, 5, 6

Ø3=

87.977 to 88.013 mm. (3.4637 to 3.4651 in.)

2-10

Issued 11-06

Bur

87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

BS06K017

Figure 2-9

REF.

667TA

ENGINE TYPE

NO.

EEG

EEC

EBF

EED

EBD

EDJ

Half bearing- journals.

Numbers 1, 7

0.044 to 0.106 mm. (0.0017 to 0.0042 in.)

Numbers 2, 3, 4, 5, 6

0.041 to 0.103 mm. (0.0016 to 0.0041 in.)

Half bearing - crank pins.

0.039 to 0.111 mm. (0.0015 to 0.0044 in.)

+0.250 mm. (0.0098 in.)

Main half bearings

Connecting rod half bearings.

+0.500 mm. (0.0197 in.)

Main journal of thrust bearing.

X1=

37.475 to 37.545 mm. (1.4754 to 1.4781 in.)

Main bearing housing of thrust bearing.

X2=

25.980 to 26.480 mm. (1.0228 to 1.0425 in.)

Shoulder half ring.

X3=

37.280 to 37.380 mm. (1.4677 to 1.4716 in.)

Crankshaft shoulder.

0.095 to 0.265 mm. (0.0037 to 0.0104 in.)

87519804 NA

Issued 11-06

Bur

2-11

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

VALVE GEAR - CYLINDER ASSEMBLY

BS06K018

Figure 2-10

REF.

667TA

ENGINE TYPE

NO.

EEG

EEC

EBF

EED

EBD

EDJ

Valve guide seats on cylinder head.

Ø1=

7.042 to 7.062 mm. (0.2772 to 0.2780 in.)

Ø4=

6.970 to 6.999 mm. (0.2744 to 0.2756 in.)

Valves - Intake.

angle=

60° ± 0.25°

Ø4=

6.970 to 6.999 mm. (0.2744 to 0.2756 in.)

Valves - Exhaust.

angle=

45° ± 0.25°

Valve stem and respective guide.

0.043 to 0.092 mm. (0.0017 to 0.0036 in.)

seat on head for valve seat. - Intake.

34.837 to 34.863 mm. (1.3715 to 1.3725 in.)

seat on head for valve seat. - Exhaust.

34.837 to 34.863 mm. (1.3715 to 1.3726 in.)

Valve seat outer diameter; angle of valve seats on cylinder

head.

Ø2=

34.917 to 34.931 mm. (1.3747 to 1.3752 in.)

Intake.

angle=

60°

Ø2=

34.917 to 34.931 mm. (1.374681 to 1.375232 in)

Exhaust.

angle=

45°

Recessing. Intake valve

0.590 to 1.110 mm. (0.0232 to 0.0437 in.)

Recessing. Exhaust valve

0.960 to 1.480 mm. (0.0378 to 0.0583 in.)

Between valve seat and head- Intake

0.054 to 0.094 mm. (0.0021 to 0.0037 in.)

Between valve seat and head- Exhaust

0.054 to 0.094 mm. (0.0021 to 0.0037 in.)

Valve seats

No Information Available

2-12

Issued 11-06

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87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

BS06K019

Figure 2-11

REF.

667TA

ENGINE TYPE

NO.

EEG

EEC

EBF

EED

EBD

EDJ

Valve spring height: Free spring.

47.750 mm. (1.8799 in.)

Under load of: 339.8 N ± 19 N (76.4 lbf ± 4.3 lbf).

H1=

35.330 mm. (1.3909 in.)

Under load of: 741.0 N ± 39 N (166.6 lbf ± 8.8 lbf).

H2=

25.200 mm. (0.9921 in.)

Injector protrusion.

X= Not Adjustable

Seats for camshaft bearing.- number - 7

Ø 7=

59.222 to 59.248 mm. (2.3316 to 2.3326 in.)

Seats for camshaft bearings.- numbers - 1, 2, 3, 4, 5, 6

Ø 1-6=

54.089 to 54.139 mm. (2.1295 to 2.1315 in.)

Ø 1, 2, 3, 4, 5, 6, 7=

53.995 to 54.045 mm.

Camshaft main journals:

1 through 7

(2.1258 to 2.1277 in.)

External diameter of the bearing for the camshaft with a

Ø= 59.222 to 59.248 mm. (2.3316 to 2.3326 in.)

load of 3.3 kNm (741.8695 lbf).

Camshaft bearing inner diameter.

Ø=

54.083 to 54.147 mm. (2.1292 to 2.1318 in)

Bearing and seats in crankcase.

0.113 to 0.165 mm. (0.0044 to 0.0065 in.)

Bearing and main journals.

0.038 to 0.162 mm. (0.0015 to 0.0064 in.)

Useful cam lift- Intake.

6.045 mm. (0.2380 in.)

Useful cam lift- Exhaust.

7.239 mm. (0.2850 in.)

Tappet plate seat in crankcase.

Ø1=

16.000 to 16.030 mm. (0.6299 to 0.6311 in.)

Ø2=

15.924 to 15.954 mm. (0.6269 to 0.6281 in.)

Tappet plate outside diameter.

Ø3=

15.960 to15.970 mm. (0.6283 to 0.6287 in.)

Between tappets and seat.

0.030 to 0.070 mm. (0.0012 to 0.0028 in.)

Tappets.

No Information Available

Rocker arm shaft.

Ø1=

21.965 to 21.977 mm. (0.8648 to 0.8652 in.)

Rocker arms

Ø2=

22.001 to 22.0027 mm. (0.86618 to 0.86625 in.)

Between rocker arm and spindle

0.024 to 0.0377 mm. (0.0009 to 0.0015 in.)

GRAPHIC_1D

Figure 2-12

87519804 NA

Issued 11-06

Bur

2-13

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

TORQUE SPECIFICATIONS

PART

TORQUE - Nm (lb.-ft.)

Cylinder head fastening bolt.

1st phase.

Bolts M12x1.75x70

45 to 55 Nm (33.2 to 40.6 lb.-ft.)

Bolts M12x1.75x140

35 to 45 Nm (25.8 to 33.2 lb.-ft.)

Bolts M12x1.75x180

(pre lubricate with oil)

65 to 75 Nm (47.9 to 55.3 lb.-ft.)

2nd phase additional rotation

90 degrees

3rd phase (only for bolts 140 and 180 mm long additional rotation)

90 degrees

Main bearing Caps.

1st phase. (pre lubricate with oil)

44 to 56 Nm (32.5 to 41.3 lb.-ft.)

2nd phase

74 to 86 Nm (54.6 to 63.4 lb.-ft.)

3rd phase. additional rotation

90 ±5 degrees

Connecting rod cap fasting bolts.

1st phase. (pre lubricate with oil

55 to 65 Nm (40.6 to 47.9 lb.-ft.)

2nd phase. additional rotation

60 ±5 degrees

Engine flywheel fastening bolts.

1st phase

26 to 34 Nm (19.2 to 25.1 lb.-ft.)

2nd phase. additional rotation

60 ± 5 degrees

Nut securing connector for injector supply

45 to 50 Nm (33.2 to 36.9 lb.-ft.)

Sump (oil pan)

20 to 28Nm (14.8 to 20.7lb.-ft.)

Fuel filter

Contact + 3/4 turn

Injection pump gear cover fastening bolts

20 to 30 Nm (14.8 to 22.1 lb.-ft.)

Valve gear cover and case fastening bolts

20 to 28Nm (14.8 to 20.7 lb.-ft.)

Intake manifold fastening bolts

20 to 28 Nm (14.8 to 20.7 lb.-ft.)

Fuel pump fastening bolts

20 to 30 Nm (14.8 to 22.1 lb.-ft.)

Exhaust manifold fastening bolts

48 to 58 Nm (35.4 to 42.8 lb.-ft.)

Valve cover fastening nuts

20 to 28 Nm (14.8 to 20.7 lb.-ft.)

Rocker arm support fastening bolts

31 to 41Nm (22.9 to 30.2 lb.-ft.)

Nut for rocker arm adjusting bolt

20 to 28 Nm (14.8 to 20.7 lb.-ft.)

Bolts fastening the pulley on the crankshaft.

1st phase

45 to 55 Nm (33.2 to 40.6 lb.-ft.)

2nd phase additional rotation

90 ±5 degrees

Cam shaft shoulder plate fastening bolts

20 to 28 Nm (14.8 to 20.7 lb.-ft.)

Fan support fastening bolts

20 to 30 Nm (14.8 to 22.1 lb.-ft.)

Injection pump fastening bolts

7 to 17 Nm (5.2 to 12.5 lb.-ft.)

Fan pulley fastening bolts

37 to 49 Nm (27.3 to 36.1 lb.-ft.)

Turbocharger fastening bolts

20 to 30 Nm (14.8 to 22.1 lb.-ft.)

Starter motor fastening bolts

37 to 49 Nm (27.3 to 36.1 lb.-ft.)

Alternator fastening bolts

37 to 49 Nm (27.3 to 36.1 lb.-ft.)

Water pump fastening bolts

20 to 28 Nm (14.8 to 20.7 lb.-ft.)

Oil filter

Contact + 3/4 turn

Belt tensioner fastening bolts

37 to 49 Nm (27.3 to 36.1 lb.-ft.)

Water Oil cooler (heat exchanger) for EDC7UC31 control unit

M6 bolt

8 to 12 Nm (5.9 to 8.9 lb.-ft.)

M8 bolt

20 to 28 Nm (14.8 to 20.7 lb.-ft.)

Oil pump and front cover fastening bolts

1st stage

7 to 9 Nm (5.2 to 6.6 lb.-ft.)

2nd stage

20 to 28 Nm (14.8 to 20.7 lb.-ft.)

Cylinder bore lubrication jets fastening bolt

12 to 18 Nm (8.9 to 13.3 lb.-ft.)

Common Rail fastening bolts

20 to 28 Nm (14.8 to 20.7 lb.-ft.)

Boost temperature/pressure sensor on intake manifold

5 to 7 Nm (3.7 to 5.2 lb.-ft.)

Engine oil level sensor bolt

10 to 14 Nm (7.3 to 10.3 lb.-ft.)

Turbocharger to exhaust manifold fastening bolts

37 to 49 Nm (27.3 to 36.1 lb.-ft.)

Wiring duct securing bolt M6

8 to 12 Nm (5.9 to 8.9 lb.-ft.)

Support for electrical wiring for injector power supply bolt

20 to 28 Nm (14.8 to 20.7 lb.-ft.)

2-14

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ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

Fuel filter bracket

M12 bolt

69 to 85 Nm (50.9 to 62.7 lb.-ft.)

M8 bolt

20 to 28 Nm (14.8 to 20.7 lb.-ft.)

Flywheel casing

M10 bolt

75 to 95 Nm (55.3 to 70.1 lb.-ft.)

M12 bolt

44 to 55Nm (32.5 to 40.6 lb.-ft.)

Camshaft sensor fastening bolt

6 to 10 Nm (4.4 to 7.4 lb.-ft.)

Crankshaft sensor fastening bolt

6 to 10 Nm (4.4 to 7.4 lb.-ft.)

Engine coolant temperature sensor fastening bolt

17 to 23 Nm (12.5 to 17.0 lb.-ft.)

Oil pressure/temperature sensor fastening bolt

5 to 7 Nm 3.7 to 5.2 lb.-ft.)

Fuel pressure sensor fastening bolt

30 to 40 Nm (22.1 to 29.5 lb.-ft.)

Fuel temperature sensor fastening bolt

17 to 23 Nm (12.5 to 17.0 lb.-ft.)

87519804 NA

Issued 11-06

Bur

2-15

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

SPECIAL TOOLS

380000158

1-6 Nm dyanametric (torque) screw driver for calibrating injector solenoid valve.

connector check nut (Common Rail).

380000665

Tool for removing the crankshaft front seal.

380000663

Tool for removing the crankshaft rear seal.

380000671

Injector extracting tool.

380000666

Coupler for installing the crankshaft front seal.

380000664

Coupler for installing the crankshaft rear seal.

(except engines: 667TA/EBF - 667TA/EED).

380000988

Tool for rotating the engine flywheel (except engines 667TA/EBF - 667TA/EED).

380001099

Tool for removing injectors.

2-16

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ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

DESCRIPTION OF MAIN ENGINE COMPONENTS

ENGINE BLOCK

BS06K021

Figure 2-14

3. SEATS FOR CAMSHAFT BEARINGS AND

1. CYLINDER BORE

5. MAIN BEARING HOUSINGS

7. WATER/OIL COOLER

TAPPETS

2. WATER PUMP

4. OIL PUMP

6. CRANKSHAFT STIFFING PLATE

The engine block consists of a cast iron structure

containing the cylinder bores (1), the main bearing

housings (5), and the following seats: for camshaft

bearings (3), for the water/oil cooler (7), water pump

(2), and oil pump (4). The block also incorporates the

water jackets for cooling and the oil galleys for

lubrication.

The crankshaft stiffening plate (6) is installed on the

crankshaft main bearing cap bolts into the engine

block and ensures greater resistance to mechanical

stress.

2-18

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ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

CRANKSHAFT

BS06K022

Figure 2-15

1. OIL PUMP DRIVE GEAR

2. CRANKSHAFT

TIMING DRIVE GEAR

4. FLYWHEEL ATTACHMENT HUB

The crankshaft is made of steel and rests on seven

CRANKSHAFT OIL SEALS

induction hardened bearing journals. Drilled inside

The front and rear seals are box type with radial seal.

the crankshaft are a series of lubricating oil ducts.

Remove with special tools 380000665 and

The following items are pressed onto the front of the

380000663. Install with special tools 380000666 and

crankshaft: oil pump drive gear (1), speed sensor

380000664.

wheel, the vibration damper, and auxiliary equipment

drive pulley.

The following items are force-fitted onto the rear of

the crankshaft: timing gear (3), and the flywheel

mounting hub (4).

The main bearing shells are made of steel with a

antifriction alloy plating.

One of the main bearing shells is equipped with

shoulders to limit crankshaft endplay.

The timing drive gear (3) and the flywheel attachment

hub (4) are installed on the rear of the crankshaft with

a force-fit and cannot be replaced.

87519804 NA

Issued 11-06

Bur

2-19

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

CONNECTING RODS

BS06K023

Figure 2-16

The connecting rods are forged steel, The

Each connecting rod is marked:

connecting rod crankshaft ends are made with an

• By a number on the connecting rod body and

oblique angle, with separation of rod and cap

on the cap indicating the match and the cylinder

obtained by means of the innovative fracture splitting

in which they are assembled.

system rather than the conventional machining

• By a letter on the connecting rod body

process.

indicating the weight class of the connecting rod

installed in production.

The connecting rod crankshaft bearing shells are

made of steel plated with an antifriction alloy.

2-20

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ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

PISTONS

BS06K024

Figure 2-17

The piston crown features a high turbulence

The following reference data is engraved into the

combustion chamber. The underside of the piston

piston crown:

crown is cooled by engine oil delivered by a spray

1. Spare part number and design modification

nozzle installed in the crankcase.

number.

There are three piston ring grooves with different

2. Stamping

(facing the crankcase front side)

functions and different geometry.

indicating the mounting direction of the piston in

1st piston ring with trapezoidal (keystone)

the cylinder bore.

section, ceramic chrome plating.

3. Date of manufacture.

2nd piston ring with torsional conical rectangular

4. Stamping indicating 1st recess insert testing.

section.

3rd piston ring with double oil ring wiper with

internal spring.

87519804 NA

Issued 11-06

Bur

2-21

ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

CAMSHAFT

BS06K025

Figure 2-18

BS06K026

Figure 2-19

A. INTAKE VALVE LOBE

B. EXHAUST VALVE LOBE

C. EGR LOBE

The cam shaft is installed on 7 journals in the engine

The exhaust gas recirculation system (EGR), lowers

block.

the combustion temperature by decreasing the

concentration of oxygen in the combustion chamber.

The front and rear bearing housings are equipped

Creating an effective system to control the emission

with steel bearings plated with antifriction material

of NOx.

assembled by means of a foce-fit.

The internal EGR system exhaust cam design

There are two cam lobes per cylinder.

permits some of the exhaust gases to be returned

A. Intake valve lobe.

back into the engine cylinders. This type of EGR,

B. Exhaust valve lobe.

internal EGR is not provided with any electronically

controlled element. The system is always on. Its

The cam shaft is controlled directly by the crankshaft

configuration doesn’t need any additional elements

by means of rear spur tooth gears.

such as control valves, lines or heat exchangers.

The exhaust cam, beside the main lobe, has an

EGR EXHAUST GAS RECIRCULATION

additional lobe (C) compared to a cam without EGR.

SYSTEM

During the intake stroke of a cylinder this lobe

The exhaust gases can be partially returned back

permits a brief opening of the exhaust valve. This

into the cylinders to lower the maximum combustion

way recirculation is generated in the cylinder in the

temperature which is responsible for the production

cylinder during the intake stroke due to the greater

of nitrogen oxides (NOX).

pressure of the exhaust gases compared to the

intake gases.

2-22

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ENGINE REPAIR MANUAL

CHAPTER 2 - 667TA ENGINE OVERHAUL

CYLINDER HEAD ENGINES: 667TA/EBF - 667TA/EBD - 667TA/EED

BS06K028

Figure 2-21

CYLINDER HEAD FOR ENGINES 667TA/EBF - 667TA/EBD - 667TA/EED

1. EXHAUST MANIFOLD

3. THERMOSTAT

5. GRID HEATER

2. INJECTOR

4. VALVE SEAT

6. INTAKE MANIFOLD

The cast iron cylinder head is machined to

The cylinder head is also fitted for the following

accommodate the following parts:

components to be installed on to the cylinder head.

• Valve seats (4).

• Exhaust manifold (1).

• Injectors (2).

• Intake manifold (6) with seat for grid heater (5).

• Thermostat (3).

2-24

Issued 11-06

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87519804 NA

New Holland 667TA/EEG, 667TA/EEC, 667TA/EBF, 667TA/EED, 667TA/EBJ, 667TA/EDJ. ENGINE REPAIR MANUAL (2006) - page 1