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Make/Model Information:

  • Brand:   Iveco
  • Models included:
    • Iveco-Sofim S30ENT-G
    • Iveco-Sofim F1C-CNG

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English (EN)
  • Number of pages:   181
  • File size:  ∼ 23.17 MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   ENIV-0039

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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F1C CNG SERIES
Application to vehicles
S30S30 ENT G
MAPPING BETWEEN TECHNICAL AND COMMERCIAL CODING
SECTION 1 - GENERAL SPECIFICATIONS 3 F1C CNG ENGINES
Print P1C32S002E Base - June 2007
Technical Code Commercial Code
F1CE0441A*C S30 ENT G F1CE0441A*C S30 ENT G
F1C CNG SERIES
Application to vehicles
S30 ENT G
Technical and Repair manual
Section
Preface
General specifications 1
Fuel 2
Application to vehicles 3
Overhaul and technical specifications 4
Tools 5
Safety prescriptions Appendix
F1C CNG ENGINES
1 F1C CNG ENGINES
Print P1C32S002E Base - June 2007
INTRODUCTION 1 F1C CNG ENGINES
Print P1C32S002E Base - June 2007
Introduction
PREFACE 3
SYMBOLS 3
- Warnings 3
- Service operations 3
GENERAL WARNINGS 5
GENERAL WARNINGS
ON THE ELECTRIC SYSTEM 7
- Bonding and screening 8
OPTIONAL ELECTRICAL AND MECHANICAL
PARTS INSTALLATIONS 9
CONVERSIONS BETWEEN THE MAIN UNITS
OF MEASUREMENT OF THE INTERNATIONAL
SYSTEM AND MOST USED DERIVED
QUANTITIES 9
KEY OF LECTURE OF THE HEADINGS
AND FOOTNOTES 10
UPDATING 11
SECTION 1 - GENERAL SPECIFICATIONS 1 F1C CNG ENGINES
Print P1C32S002E Base - June 2007
SECTION 1
General Specifications
MAPPING BETWEEN TECHNICAL AND
COMMERCIAL CODING 3
LUBRICATION 4
- Operation 4
OIL/VACUUM PUMP UNIT (GPOD) 5
- Oil pump 5
- Main data 5
- Vacuum pump 5
- Oil pressure relief valve 6
- Oil filter 7
- Heat exchanger 7
OIL VAPOUR RECIRCULATION (BLOW-BY) 9..
- Operation 9
COOLING 11
- Description 11
- Operation 11
- Electromagnetic pulley 13
- Water pump 13
- Thermostat 13
TURBOCHARGING 14
- Description 14
- Turbocharger 15
SECTION 2 - FUEL 1 F1C CNG ENGINES
Print P1C32S002E Base - June 2007
SECTION 2
DESCRIPTION OF THE CNG SYSTEM 3
GAS QUALITY 4
NJECTION MANAGEMENT 5
M. MARELLI ”IAW” INJECTION-IGNITION 6
- System Introduction 6
SYSTEM OPERATION 8
- Self-diagnosis - BLINK CODE 8
- Immobilizer recognition 8
- Engine cranking 8
- Idling speed control 8
- Acceleration 8
- Deceleration 8
- Engine smoothness control (anti-sawing) 8
- Acceleration smoothness control 8
- Cut-off 8
- Full load 8
- Barometric correction 8
- Cut-off solenoid valve on reducer 8
- Speed regulator 8
- Intake control according to A/C system
operation 9
- Cylinder position control 9
- Ignition advance control 9
- Fuel metering 9
2 SECTION 2 - FUEL F1C CNG ENGINES
Base - June 2007 Print P1C32S002E
- Flow correction according to coolant
temperature 9
- Derating 9
- Engine coolant temperature control 9
- Injected fuel amount control 9
- Cylinder balancing 9
- Synchronisation search 9
- Run-up 9
- After-run 9
- Motorised throttle self-learning procedure 10
- Mixture strength control 10
- High speed and load cylinder balancing 10
PRESSURE REDUCER 11
RAIL 11
INJECTORS 11
AIR FEEDING SYSTEM COMPONENTS 12
- Atmospheric pressure sensor 12
- Turbocharger pressure sensor 12
- Throttle 12
- Pop-off valve 13
SECTION 3 - APPLICATION TO VEHICLES 1 F1C CNG ENGINES
Print P1C32S002E Base - June 2007
SECTION 3
Application to vehicles
GENERAL SPECIFICATIONS 3
MAIN DATA 4
PART ONE -
MECHANICAL COMPONENTS 7
OVERHAULING ENGINE 9
FLYWHEEL 19
REPLACING BEARING SUPPORTING
GEARBOX INPUT SHAFT 19
- Assembling rear seal 19
CYLINDERHEAD 20
- Disassembly 20
- Removing valves 20
- Checking cylinder head 21
- Checking cylinder head mating surface 21
VALVES 22
- Removing deposits, refacing and checking valves 22
- Checking clearance between valve stem and valve
guide and centring valves 22
VALVE GUIDE 23
- Replacing valve guide 23
- Boring valve guides 23
VALVE SEATS 24
- Recutting and replacing valve seats 24
VALVE SPRINGS 25
ROCKER ARMS - TAPPETS 25
- Checks 26
ASSEMBLING CYLINDER HEADS 26
OVERHEAD 27
- Overhead removal 27
TIMING SYSTEM 28
- Description 28
- Camshaft 29
- Checks 29
- Checking cam lift and journal alignment 29
2 SECTION 3 - APPLICATION TO VEHICLES F1C CNG ENGINES
Base - June 2007 Print P1C32S002E
- Assembling overhead 31
AUXILIARY ORGAN CONTROLS 31
- Refitting the cylinder head 33
TIMING SYSTEM CONTROL 34
- Replacement of alternator free wheel 39
REPAIRS 46
- Wastegate valve check 46
POWER STEERING PUMP-ALTERNATOR BELT
REPLACEMENT 47
- Disassembly 47
- Assembly 47
REPLACING THE WATER PUMP 47
- Removal 47
- Refitting 47
REPLACING THE CRANKSHAFT SEAL RING AND
THE FRONT COVER GASKET 48
- Removal 48
- Refitting 48
REPLACING THE VACUUM PUMP OIL PUMP
ASSEMBLY (GPOD) 50
- Removal 50
- Refitting 50
IGNITION COIL REPLACEMENT 51
- Removal 51
- Refitting 51
SPARK PLUG REPLACEMENT 51
- Removal 51
- Refitting 51
THROTTLE UNIT REMOVAL- REFITTING 51
- Removal 51
- Refitting 51
PART TWO - ELECTRICAL EQUIPMENT 53
ENGINE COMPONENTS 55
- Engine wire 56
- IAW-5SF ECU 57
- Vehicle connector ”V” 59
- Engine connector ”E” 60
- ”SDU” ECU 61
- Rail 62
- Injector 63
- Ignition system 64
- Atmospheric pressure sensor 65
- WG control solenoid valve 66
- Throttle body 67
- Lambda sensor (Bosch) 68
- Sensor inspection 68
- Operating principle 68
- Turbo charger pressure sensor (Bosch) 69
- Camshaft speed sensor 70
- Engine speed sensor 72
- Timing sensor (phase) 72
- Engine coolant temperature sensor 73
- Safety inertia switch 76
- Operating principle 76
BOSCH KCBI 14V 110A ALTERNATOR 77
EV 12V - 2.3 KW STARTER MOTOR 78
”IAW-5SF” INJECTION/IGNITION SYSTEM 79
- Description of operation 79
PART THREE - TROUBLESHOOTING 81
PREFACE 83
TROUBLESHOOTING 84
PART FOUR - MAINTENANCE PLANNING 85
SCHEDULED MAINTENANCE 87
- Introduction 87
- Schedule for checks and periodical interventions 87
- Checks not included in maintenance planning-daily
checks 88
MAINTENANCE PROCEDURES 88
- Checks and inspections 88
SECTION 4 - OVERHAUL SPECIFICATIONS 1 F1C CNG ENGINES
Print P1C32S002E Base - June 2007
SECTION 4
Overhaul and technical specifications
GENERAL CHARACTERISTICS 3
DATA - ASSEMBLY CLEARANCE 4
ENGINE OVERHAUL 9
ENGINE REMOVAL AT THE BENCH 9
REPAIRS 10
CRANKCASE 10
- Checks and measurements 10
- Checking head supporting surface
on crankcase 11
OUTPUT SHAFT 11
- Measuring journals and crankpins 11
- Checking crankshaft 12
- Replacing timing drive gear 14
ENGINE ASSEMBLY 14
- Assembling main bearings 14
- Measuring main journal assembly clearance 14 ..
- Checking crankshaft end float 15
CONNECTING ROD PISTON ASSEMBLY 16 ..
- Piston 17
- Measuring piston diameter 17
- Gudgeon pin 18
- Conditions for correct pin-piston coupling 18
- Piston rings 18
- Connecting rods 19
- Bushing 19
- Checking connecting rods 19
- Checking torsion 20
2 SECTION 4 - OVERHAUL SPECIFICATIONS F1C CNG ENGINES
Base - June 2007 Print P2D32C006E
- Checking bending 20
- Assembling connecting rod-piston assembly 20 ..
- Checking for connecting rod piston distortion 21
- Assembly piston rings 21
- Assembly connection rod-piston assembly
in the cylinders’ 21
- Measuring crankpin assemblyclearance 21
- Checking piston protrusion 22
TIGHTENING TORQUES 23
SECTION 5 - TOOLS 1 F1C CNG ENGINES
Print P1C32S002E Base - June 2007
SECTION 5
TOOLS 3
EXPERIMENTAL TOOLS 9
APPENDIX 1 F1C CNG ENGINES
Print P1C32S002E Base - June 2007
Appendix
SAFETY PRESCRIPTIONS 3
- General safety rules for compressed natural gas
engines 3
- Refuelling safety rules 3
- How to behave if a gas leakage occurs 3
- How to behave if a fire starts 3
- Standard safety prescriptions 4
- Prevention of injury 4
- During maintenance 4
- Respect of the Environment 5


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