CASE 667TAEEG, 667TAEEC, 667TAEBF, 667TAEED, 667TAEBJ, 667TAEDJ Engine Service Repair Manual Instant Download (Book Code No. 87519803 NA)

ENGINE REPAIR MANUAL 667TA/EEG 667TA/EEC 667TA/EBF 667TA/EED 667TA/EBJ 667TA/EDJ Issued 11-2006 Book/Form Number 87519803 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 Issue Date Applicable Machine 667TA/EEG 667TA/EEC 667TA/EBF 667TA/EED 667TA/EBJ 667TA/EDJ Remarks First Edition 11-2006 87519803 NA

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 I 87519803 NA Issued 11-06 Bur

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ENGINE REPAIR MANUAL CHAPTER 1 667TA TIER III DIAGNOSTICS Issued 11-2006 Book/Form Number 87519803 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 Issue Date Applicable Machines 667TA/EEG 667TA/EEC 667TA/EBF 667TA/EED 667TA/EBJ 667TA/EDJ Remarks First Edition 11-2006 87519803 NA 1-II Issued 11-06 Bur 87519803 NA

ENGINE REPAIR MANUAL CHAPTER 1 DIAGNOSTICS TABLE OF CONTENTS CNH- EST DIAGNOSTIC TOOL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Engine Won t Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4 Engine Overheats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5 Engine Lacks Power And Runs Erratically . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6 Engine Exhaust Smoke Black Or Dark Grey . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 Engine Exhaust Smoke Grey (Verging On White) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 Engine Exhaust Smoke Light Blue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7 Engine Knocks Irregularly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8 Engine Stops . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9 Excessive Or Insufficient Oil Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9 Excessive Fuel Consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9 1-1 87519803 NA Issued 11-06 Bur

ENGINE REPAIR MANUAL CHAPTER 1 - DIAGNOSTICS NOTES 1-2 Issued 11-06 Bur 87519803 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. 1-3 87519803 NA Issued 11-06 Bur

ENGINE REPAIR MANUAL CHAPTER 1 - DIAGNOSTICS TROUBLESHOOTING ENGINE WON T START Perform the checks described in the Electrical section of the Shop manual. No Batteries fully charged. Yes Connections to battery terminals are tight and clean. Inspect, clean, tighten or replace connections. No Yes Perform the checks described in the Electrical section of the Shop manual. No Starter motor working properly. Yes No Pre-Post heating system working properly. Check using a multi meter replace or repair. Yes Yes Fuel filters plugged. Replace. No The fuel system or injection pump shows signs of air in system. Yes Check and repair air leaks. No Check and clean the fuel system including the fuel tank. Yes The fuel system shows traces of water. No Check using Electronic Service Tool (EST) and repair or replace if necessary. No High pressure pump working properly. Yes Check using Electronic Service Tool (EST). Check O-ring seal. Replace injectors if defective. No Injectors working properly. Yes Check each cylinder for proper compression, overhaul the engine or make repairs on defective parts (valves, piston rings, etc.). No Compression good on all cylinders. 1-4 Issued 11-06 Bur 87519803 NA

ENGINE REPAIR MANUAL CHAPTER 1 - DIAGNOSTICS ENGINE OVERHEATS Check for leaks, repair leaks and refill to proper level. No Coolant level correct. Yes No Fan working properly. Replace. Yes No Drive belts in serviceable. Replace. Yes Check for leaks, bad bearing, overhaul or replace. No Water Pump in working properly. Yes No Thermostat working properly. Replace. Yes Wash down, repair leaks and flush out radiator. If necessary replace radiator. Yes Radiator plugged or leaking. No Yes Oil in radiator fluid. Replace oil cooler. No Yes Air to Air Cooler and hoses leaking. Clean or replace faulty parts. No Openings for coolant flow within the cylinder head and engine block plugged. Yes Clean thoroughly. No Check and adjust for correct valve clearance. No Valve clearance correct. Yes Yes Cylinder head gasket in leaking. Replace. 1-5 87519803 NA Issued 11-06 Bur

ENGINE REPAIR MANUAL CHAPTER 1 - DIAGNOSTICS ENGINE LACKS POWER AND RUNS ERRATICALLY No Air filter plugged. Clean the filter and replace if necessary. Yes No Fuel filters in plugged. Replace. Yes No Fuel system working properly. 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. The fuel system shows impurities and or traces of water. Yes No No Thermostat working properly. Replace. Yes Check using the Electronic Service Tool (EST) and repair or replace if necessary. No High pressure pump working properly. Yes Check using the Electronic Service Tool (EST) and repair or replace if necessary. No Injectors working properly. Yes Check for leaks around O-rings and gaskets. Yes High pressure fuel side leaking. No No Turbocharger working properly. Repair or replace the unit. Yes No Correct valve clearance. Adjust the clearance to proper value. Yes Check each cylinder for proper compression, overhaul the engine or make repairs on defective parts (valves, piston rings, etc.). No Compression good on all cylinders. 1-6 Issued 11-06 Bur 87519803 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 Check using the Electronic Service Tool (EST) and repair or replace if necessary. No Electronic fuel system working properly. Yes No 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 repairs on defective parts (valves, piston rings, etc.). No Compression good on all cylinders. ENGINE EXHAUST SMOKE GREY (VERGING ON WHITE) Check using the Electronic Service Tool (EST) and repair or replace if necessary. No Injectors working properly. Yes Possible flow of coolant into the combustion chamber; replace the cylinder head gasket or overhaul the engine. No Coolant level correct. Yes No Pre-Post heating system working properly. Check using a multi meter replace or repair. Yes No 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 turbocharger. Leaks from valve guides. Overhaul cylinder head or engine if necessary. Yes Excessive oil consumption. No Check the high pressure fuel pump O-ring, injector O-ring for failure, or cylinder head porosity. Yes Oil contaminated with diesel fuel. 1-7 87519803 NA Issued 11-06 Bur

ENGINE REPAIR MANUAL CHAPTER 1 - DIAGNOSTICS ENGINE KNOCKS IRREGULARLY 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. Yes Knock detected in the crankshaft. No 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 Knock detected in the connecting rods. No 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 Knock detected in pistons. No Check the following items: Play between the rocker arms and the valves, injection pump timing, valve timing. Adjust to proper specification. Yes Knock detected in the cylinder head. No 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 Knock detected in valve gear. No Check using the Electronic Service Tool (EST) and repair or replace if necessary. Yes Knock detected in injectors. No Replace loose screws and tighten all screws to the specified torque and angles. Yes Knock detected in the engine flywheel. 1-8 Issued 11-06 Bur 87519803 NA

ENGINE REPAIR MANUAL CHAPTER 1 - DIAGNOSTICS ENGINE STOPS No Fuel tank filled. Refuel and drain if necessary. Yes Yes Fuel filters plugged. Replace. No Check the circuit and make necessary adjustments or repairs. No Fuel system in working properly. Yes No Valve timing correct. Make necessary adjustments. EXCESSIVE OR INSUFFICIENT OIL PRESSURE No Oil pressure control valve working properly. Check and replace if necessary. Yes No Proper engine oil SAE viscosity. Replace engine oil with proper viscosity oil. Yes No Oil pump delivering proper pressure. Check and replace if necessary. Yes Main bearings and connecting rod bearings in acceptable condition. Replace the bearings and reface if necessary the crankshaft. No EXCESSIVE FUEL CONSUMPTION Repair leaks (if any) and replace the worn parts. Yes Fuel tank and lines leaking. No No After cooler leaking. Replace. Yes Electronic fuel injection system operating properly. Check using the Electronic Service Tool (EST) and repair or replace if necessary. No 1-9 87519803 NA Issued 11-06 Bur

ENGINE REPAIR MANUAL CHAPTER 1 - DIAGNOSTICS NOTES 1-10 Issued 11-06 Bur 87519803 NA

ENGINE REPAIR MANUAL CHAPTER 2 667TA TIER III 667TA ENGINE OVERHAUL Issued 11-2006 Book/Form Number 87519803 NA Copyright 2006. CNH America LLC. All Rights Reserved. Printed in U.S.A. Bur Source Code No. unknown

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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 667TA/EEG 667TA/EEC 667TA/EBF 667TA/EED 667TA/EBJ 667TA/EDJ Remarks First Edition 11-2006 87519803 NA 2-II Issued 11-06 Bur 87519803 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 2-1 87519803 NA 87519803 NA Issued 11-06 Bur

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