New Holland 667TA/EEG,667TA/EEC,667TA/EBF,667TA/EED,667TA/EBJ,667TA/EDJ Engine Service Repair Manual

ENGINE REPAIR MANUAL 667TA/EEG 667TA/EEC 667TA/EBF 667TA/EED 667TA/EBJ 667TA/EDJ

Issued 11-2006 Book/Form Number 87519804 NA Copyright © 2006. CNH America LLC. All Rights Reserved.

Printed in U.S.A. • Bur Source Code No. unknown

ENGINE REPAIR MANUAL

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 First Edition

Issue Date

Applicable Machine

Remarks

11-2006

667TA/EEG 667TA/EEC 667TA/EBF 667TA/EED 667TA/EBJ 667TA/EDJ

87519804 NA

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ENGINE REPAIR MANUAL

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

I

SECTION 1 - ENGINE REPAIR MANUAL

NOTES

II

Issued 11-06

Bur

87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 1

667TA TIER III

DIAGNOSTICS

Issued 11-2006 Book/Form Number 87519804 NA Copyright © 2006. CNH America LLC. All Rights Reserved.

Printed in U.S.A. • Bur Source Code No. unknown

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 First Edition

1-II

Issue Date

Applicable Machines

Remarks

11-2006

667TA/EEG 667TA/EEC 667TA/EBF 667TA/EED 667TA/EBJ 667TA/EDJ

87519804 NA

Issued 11-06

Bur

87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 1

DIAGNOSTICS TABLE OF CONTENTS CNH- EST DIAGNOSTIC TOOL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Engine Won’t Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Engine Overheats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Engine Lacks Power And Runs Erratically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Engine Exhaust Smoke Black Or Dark Grey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Engine Exhaust Smoke Grey (Verging On White) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Engine Exhaust Smoke Light Blue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Engine Knocks Irregularly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Engine Stops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Excessive Or Insufficient Oil Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Excessive Fuel Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-4 1-4 1-5 1-6 1-7 1-7 1-7 1-8 1-9 1-9 1-9

87519804 NA

1-1

Issued 11-06

Bur

ENGINE REPAIR MANUAL

CHAPTER 1 - DIAGNOSTICS

NOTES

1-2

Issued 11-06

Bur

87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 1 - DIAGNOSTICS

CNH- EST DIAGNOSTIC TOOL

Figure 1-1

BS06K009

The EST system allows diagnoses on machines by detecting the operating parameters of electronic control components (control units, sensors etc.) and check flow rates, pressures and temperatures. It is also capable of reading fault codes on the engine. To help with troubleshooting the engine failure mode.

87519804 NA

Issued 11-06

Bur

1-3

ENGINE REPAIR MANUAL

CHAPTER 1 - DIAGNOSTICS

TROUBLESHOOTING ENGINE WON’T START

Batteries fully charged.

No

Perform the checks described in the Electrical section of the Shop manual.

Yes Connections to battery terminals are tight and clean.

No

Inspect, clean, tighten or replace connections.

No

Perform the checks described in the Electrical section of the Shop manual.

No

Check using a multi meter replace or repair.

Yes

Replace.

Yes

Check and repair air leaks.

Yes

Check and clean the fuel system including the fuel tank.

No

Check using Electronic Service Tool (EST) and repair or replace if necessary.

No

Check using Electronic Service Tool (EST).

Check O-ring seal.

Replace injectors if defective.

No

Check each cylinder for proper compression, overhaul the engine or make repairs on defective parts (valves, piston rings, etc.).

Yes Starter motor working properly.

Yes Pre-Post heating system working properly.

Yes Fuel filters plugged.

No The fuel system or injection pump shows signs of air in system.

No The fuel system shows traces of water.

No High pressure pump working properly.

Yes

Injectors working properly.

Yes

Compression good on all cylinders.

1-4

Issued 11-06

Bur

87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 1 - DIAGNOSTICS ENGINE OVERHEATS No

Coolant level correct.

Check for leaks, repair leaks and refill to proper level.

Yes Fan working properly.

No

Replace.

No

Replace.

No

Check for leaks, bad bearing, overhaul or replace.

No

Replace.

Yes

Wash down, repair leaks and flush out radiator. If necessary replace radiator.

Yes

Replace oil cooler.

Yes

Clean or replace faulty parts.

Yes

Clean thoroughly.

No

Check and adjust for correct valve clearance.

Yes

Replace.

Yes Drive belts in serviceable.

Yes Water Pump in working properly.

Yes Thermostat working properly.

Yes Radiator plugged or leaking.

No Oil in radiator fluid.

No Air to Air Cooler and hoses leaking.

No Openings for coolant flow within the cylinder head and engine block plugged.

No Valve clearance correct.

Yes Cylinder head gasket in leaking.

87519804 NA

Issued 11-06

Bur

1-5

ENGINE REPAIR MANUAL

CHAPTER 1 - DIAGNOSTICS ENGINE LACKS POWER AND RUNS ERRATICALLY Air filter plugged.

No

Clean the filter and replace if necessary.

Yes Fuel filters in plugged.

No

Replace.

No

Check and make if necessary repair.

Yes

Take off the hoses and injection pump, clean and dry thoroughly, then if necessary clean and dry the fuel tank.

No

Replace.

No

Check using the Electronic Service Tool (EST) and repair or replace if necessary.

No

Check using the Electronic Service Tool (EST) and repair or replace if necessary.

Yes

Check for leaks around O-rings and gaskets.

No

Repair or replace the unit.

No

Adjust the clearance to proper value.

No

Check each cylinder for proper compression, overhaul the engine or make repairs on defective parts (valves, piston rings, etc.).

Yes Fuel system working properly.

Yes The fuel system shows impurities and or traces of water.

No Thermostat working properly.

Yes High pressure pump working properly.

Yes Injectors working properly.

Yes High pressure fuel side leaking.

No Turbocharger working properly.

Yes Correct valve clearance.

Yes

Compression good on all cylinders.

1-6

Issued 11-06

Bur

87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 1 - DIAGNOSTICS ENGINE EXHAUST SMOKE BLACK OR DARK GREY No

Air filter plugged.

Clean the filter and replace if necessary.

Yes Electronic fuel system working properly.

No

Check using the Electronic Service Tool (EST) and repair or replace if necessary.

No

Clean the tank and replace the fuel filter.

No

Check each cylinder for proper compression, overhaul the engine or make repairs on defective parts (valves, piston rings, etc.).

Yes Fresh clean diesel fuel in tank.

Yes

Compression good on all cylinders.

ENGINE EXHAUST SMOKE GREY (VERGING ON WHITE) No

Injectors working properly.

Check using the Electronic Service Tool (EST) and repair or replace if necessary.

Yes

Coolant level correct.

No

Possible flow of coolant into the combustion chamber; replace the cylinder head gasket or overhaul the engine.

No

Check using a multi meter replace or repair.

No

Clean the tank and replace the fuel filter.

Yes Pre-Post heating system working properly.

Yes Fresh clean diesel fuel in tank.

ENGINE EXHAUST SMOKE LIGHT BLUE

Yes

Excessive oil consumption.

Check: oil vapor breather, cylinder compression. Leaks into or out of turbocharger. Leaks from valve guides.

Overhaul cylinder head or engine if necessary.

No

Oil contaminated with diesel fuel.

87519804 NA

Issued 11-06

Bur

Yes

Check the high pressure fuel pump O-ring, injector O-ring for failure, or cylinder head porosity.

1-7

ENGINE REPAIR MANUAL

CHAPTER 1 - DIAGNOSTICS

ENGINE KNOCKS IRREGULARLY

Knock detected in the crankshaft.

Yes

Check the following items: Journal play and out-of -roundness, bolt torque for main journal caps and engine flywheel, oil pressure. Replace the defective parts or overhaul the engine.

No

Knock detected in the connecting rods.

Yes

Check the following items: Rod journal end play and out-of -roundness, bolt torque for connecting rod caps, connecting rod torsion, straightness. Replace defective parts or overhaul the engine.

Yes

Check the following items: Play between the pistons and the cylinder liners, integrity of piston rings, play between the pins and the piston hubs. Replace the defective parts or overhaul the engine.

Yes

Check the following items: Play between the rocker arms and the valves, injection pump timing, valve timing. Adjust to proper specification.

Yes

Check and replace if necessary the gears.

Inspect for broken springs, excessive play between the stems and guides, and the tappets and seats. Adjust the clearance.

Yes

Check using the Electronic Service Tool (EST) and repair or replace if necessary.

Yes

Replace loose screws and tighten all screws to the specified torque and angles.

No

Knock detected in pistons.

No

Knock detected in the cylinder head.

No

Knock detected in valve gear.

No Knock detected in injectors.

No Knock detected in the engine flywheel.

1-8

Issued 11-06

Bur

87519804 NA

ENGINE REPAIR MANUAL

CHAPTER 1 - DIAGNOSTICS ENGINE STOPS Fuel tank filled.

No

Refuel and drain if necessary.

Yes

Replace.

No

Check the circuit and make necessary adjustments or repairs.

No

Make necessary adjustments.

Yes Fuel filters plugged.

No Fuel system in working properly.

Yes Valve timing correct.

EXCESSIVE OR INSUFFICIENT OIL PRESSURE Oil pressure control valve working properly.

No

Check and replace if necessary.

Yes Proper engine oil SAE viscosity.

No

Replace engine oil with proper viscosity oil.

No

Check and replace if necessary.

No

Replace the bearings and reface if necessary the crankshaft.

Yes

Repair leaks (if any) and replace the worn parts.

No

Replace.

No

Check using the Electronic Service Tool (EST) and repair or replace if necessary.

Yes Oil pump delivering proper pressure.

Yes Main bearings and connecting rod bearings in acceptable condition.

EXCESSIVE FUEL CONSUMPTION

Fuel tank and lines leaking.

No After cooler leaking.

Yes Electronic fuel injection system operating properly.

87519804 NA

Issued 11-06

Bur

1-9

CLICK HERE TO

DOWNLOAD THE COMPLETE MANUAL

• Thank you very much for reading the preview of the manual.

• You can download the complete manual from: www.heydownloads.com by clicking the link below

• Please note: If there is no response to CLICKING the link, please download this PDF first and then click on it.

CLICK HERE TO

DOWNLOAD THE COMPLETE MANUAL