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Make/Model Information:

  • Brand:   Iveco
  • Models included:
    • Iveco-Nef F4AE3682E
    • Iveco-Nef F4AE3682F

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English (EN)
  • Number of pages:   199
  • File size:  ∼ 13.68 MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   ENIV-0028

NOTE:  This list was created by program script and may not accurately represent the text from the source pages.   For full preview please click on 'Download sample':

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F4A EURO 4 NEF SERIES
Application Bus (SOR)
F4AE3682E
F4AE3682F
CORRESPONDENCE BETWEEN TECHNICAL CODE AND COMMERCIAL CODE
SECTION 1 - GENERAL SPECIFICATIONS 3 F4A EURO 4 NEF ENGINES
Print P1D32N003 E Base - March 2007
Technical Code Commercial Code
F4AE3682E*P100 N60 ENT 4
F4AE3682E*P101 N60 ENT 4
F4AE3682F*P100 N60 ENT 4
F4AE3682F*P101 N60 ENT 4
F4A EURO 4
NEF SERIES
Application Bus (SOR)
F4AE3682EF4AE3682F
Technical and Repair manual
Section
Updating and Consultation Introduction
General specifications 1
Fuel 2
Application to bus 3
General overhaul and characteristics 4
Tools 5
Safety prescriptions Appendix
PREFACE TO USER’S GUIDELINE MANUAL
Section 1 describes the engines illustrating their features
and working in general.
Section 2 describes the type of fuel feed.
Section 3 relates to the specific duty andis dividedin four sepa-
rate parts:
1. Mechanical part, related to the engine overhaul,
limited to those components with different characteristics
based on the relating specific duty.
2. Electrical part, concerning wiring harness, electrical
and electronic equipment with different characteristics
based on the relating specific duty.
3. Maintenance planning and specific overhaul.
4. Troubleshooting part dedicated to the operators who,
being entitled to provide technical assistance, shall have simple
and direct instructions to identify the cause of the major incon-
veniences.
Sections 4 and 5 illustrate the overhaul operations of the engi-
ne overhaul on stand and the necessary equipment to execute
such operations.
Installation general prescriptions are reported within the ap-
pendix.
The appendix reports general safety prescriptions to be follo-
wed by all operators whether being in-charge of installation or
maintenance, in order to avoid serious injury.
INDEX NEF F4A EURO 4 ENGINES
3 F4A EURO 4 NEF ENGINES
Print P1D32N003 E Base - March 2007
INTRODUCTION 1 F4A EURO 4 NEF ENGINES
Print P1D32N003 E Base - March 2007
Introduction
SAFETY PRESCRIPTIONS 3
PREFACE TO USER’S GUIDELINE MANUAL 5 .
- Symbols - Warnings 5
- General warnings 6
- General warnings on the electric system 8
- Bonding and screening 9
- Optional electrical and mechanical parts installations 10
- Conversions between the main units of measurement
of the international system and most used derived
quantities 10
- Graphic figures and symbols 11
- Interpretation of symbols 12
- Key of lecture of the headings and footnotes 13 .
SECTION 1 - GENERAL SPECIFICATIONS 1 F4A EURO 4 NEF ENGINES
Print P1D32N003 E Base - March 2007
SECTION 1
General specifications
CORRESPONDENCE BETWEEN TECHNICAL CODE
AND COMMERCIAL CODE 3
LUBRICATION 5
OIL PUMP 6
HEAT EXCHANGER 6
- Oil pressure relief valve 7
OIL VAPOUR RECYCLING 8
COOLING SYSTEM 9
- Water Pump 10
- Thermostat 10
AIR INDUCTION - BOOST DIAGRAM 11
- Description 11
DeNOx SYSTEM 12
- General Information 12
- Composition and operation 12
- Diagram 13
- Pump module 14
- Dosing module 14
- Injector 14
- Tank 15
- Switch valve 15
- AdBlue fluid level gauge control 15
- Exhaust gas temperature sensor 16
- Humidity detecting sensor 16
- Nitric oxide detecting sensor 17
SECTION 2 - FUEL 1 F4A EURO 4 NEF ENGINES
Print P1D32N003 E Base - March 2007
SECTION 2
COMMON RAIL 3
- General Specifications 3
HYDRAULIC SYSTEM 5
FUEL SYSTEM LAYOUT 6
FUEL PREFILTER 7
FUEL FILTER 7
MECHANICAL FEEDING PUMP 8
- Ordinary working condition 8
- Overpressure condition in exhaust unit 8
- Bleeding condition 8
CP3 HIGH PRESSURE PUMP 9
- Internal structure 10
- Operating principle 11
- Operation 13
RAIL 13
OVERPRESSURE VALVE 13
INJECTOR 14
- Injector in rest position 14
- Injection start 14
- Injection end 14
PRESSURE LIMITER FOR FUEL RETURN 14
SECTION 3 - BUS APPLICATION 1 F4A EURO 4 NEF ENGINES
Print P1D32N003 E Base - March 2007
SECTION 3
Application to vehicles
GENERAL SPECIFICATIONS 3
GENERAL PROPERTIES 4
PART ONE - MECHANICAL COMPONENTS 5
ENGINE OVERHAUL 7
- Preface 7
- Engine setting operations for the assembly
on turning stand 7
- Distribution gear box 15
- Distribution timing 15
- Flywheel housing 16
- Engine flywheel 17
- Tappet play adjustment 24
- Intake manifold 25
- Wiring support 27
- Poly-V belt tension value 31
- Turbosupercharger 32
- Check and adjustment Turbosupercharger
actuator 33
- Turbosupercharger actuator replacement 33
- Checks and inspections 34
PART TWO - ELECTRICAL EQUIPMENT 35
LOCATION OF THE MAIN ELECTRICAL
COMPONENTS 37
SECTION 4 - GENERAL OVERHAUL AND CHARACTERISTICS 1 F4A EURO 4 NEF ENGINES
Print P1D32N003 E Base - March 2007
SECTION 4
General overhaul and characteristics
GENERAL CHARACTERISTICS 3
CLEARANCE DATA 4
ENGINE OVERHAUL 11
ENGINE REMOVAL AT THE BENCH 11
REPAIR OPERATIONS 12
CYLINDER UNIT 12
- Checks and measurements 12
- Head face check on the cylinder group 13
TIMING SYSTEM 13
- Camshaft 13
- Checking cam lift and pin alignment 14
- Bushes 14
- Bush replacement 15
- Tappets 15
- Fitting tappets camshaft 16
OUTPUT SHAFT 17
- Measuring journals and crankpins 17
- Replacing oil pump control gear 19
2 SECTION 4 - GENERAL OVERHAUL AND CHARACTERISTICS F4A EURO 4 NEF ENGINES
Base - March 2007 Print P1D32N003 E
- Fitting main bearings 19
- Finding journal clearance 19
- Checking crankshaft shoulder clearance 20
CONNECTING ROD PISTON ASSEMBLY 20..
- Measuring piston diameter 22
- Piston pins 22
- Conditions for proper pin-piston coupling 22
- Split rings 22
- Connecting rods 22
- Bushes 23
- Checking connecting rods 24
- Checking torsion 24
- Checking bending 25
- Fitting connecting rod-piston assembly 25
- Connecting rod-piston coupling 25
- Fitting split rings 25
- Fitting connecting rod-piston assembly
into cylinder barrels 26
- Finding crankpin clearance 26
- Checking piston protrusion 27
CYLINDER HEAD 28
- Removing the valves 28
- Checking cylinder head wet seal 29
- Checking cylinder head supporting surface 29
VALVES 30
- Removing carbon deposits, checking and
grinding valves 30
- Checking clearance between valve stem and valve
guide and valve centering 30
VALVE GUIDE 31
VALVE SEATS 31
- Regrinding replacing the valve seats 31
VALVE SPRINGS 33
FITTING CYLINDER HEAD 33
- Refitting the cylinder head 33
TIGHTENING TORQUE 35
AUXILIARY COMPONENTS 37
SECTION 5 - TOOLS 1 F4A EURO 4 NEF ENGINES
Print P1D32N003 E Base - March 2007
SECTION 5
TOOLS 3
APPENDIX 1 F4A EURO 4 NEF ENGINES
Print P1D32N003 E Base - March 2007
Appendix
SAFETY PRESCRIPTIONS 3
- Standard safety prescriptions 3
- Prevention of injury 3
- During maintenance 3
- Respect of the Environment 4


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