F1C CNG SERIES - Service Manual ebook SECTION 2 - FUEL F1C CNG ENGINES Base - June 2007 Print...

15
F1C CNG SERIES Application to vehicles S30 S30 ENT G

Transcript of F1C CNG SERIES - Service Manual ebook SECTION 2 - FUEL F1C CNG ENGINES Base - June 2007 Print...

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MAPPING BETWEEN TECHNICAL AND COMMERCIAL CODING

SECTION 1 - GENERAL SPECIFICATIONS 3F1C CNG ENGINES

Print P1C32S002E Base - June 2007

Technical Code Commercial Code

F1CE0441A*C S30 ENT GF1CE0441A*C S30 ENT G

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Section

Preface

General specifications 1

Fuel 2

Application to vehicles 3

Overhaul and technical specifications 4

Tools 5

Safety prescriptions Appendix

F1C CNG ENGINES

1F1C CNG ENGINES

Print P1C Base - June 2007

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INTRODUCTION 1F1C CNG ENGINES

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Introduction

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PREFACE 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

SYMBOLS 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

- Warnings 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

- Service operations 3. . . . . . . . . . . . . . . . . . . . . .

GENERAL WARNINGS 5. . . . . . . . . . . . . . . . . . . . .

GENERAL WARNINGSON THE ELECTRIC SYSTEM 7. . . . . . . . . . . . . . .

- Bonding and screening 8. . . . . . . . . . . . . . . . . . .

OPTIONAL ELECTRICAL AND MECHANICALPARTS INSTALLATIONS 9. . . . . . . . . . . . . . . . . .

CONVERSIONS BETWEEN THE MAIN UNITSOF MEASUREMENT OF THE INTERNATIONALSYSTEM AND MOST USED DERIVEDQUANTITIES 9. . . . . . . . . . . . . . . . . . . . . . . . . . .

KEY OF LECTURE OF THE HEADINGSAND FOOTNOTES 10. . . . . . . . . . . . . . . . . . . . .

UPDATING 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

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SECTION 1 - GENERAL SPECIFICATIONS 1F1C CNG ENGINES

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SECTION 1

General Specifications

Page

MAPPING BETWEEN TECHNICAL ANDCOMMERCIAL 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. . . . . . . . . . . . . . . . . . . . . . . . . .

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EL 1F1C CNG ENGINES

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SECTION 2

Fuel

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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 systemoperation 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

- Cylinder position control 9. . . . . . . . . . . . . . . . .

- Ignition advance control 9. . . . . . . . . . . . . . . . . .

- Fuel metering 9. . . . . . . . . . . . . . . . . . . . . . . . . .

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- Flow correction according to coolanttemperature 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. . . . . . . . . . . . . . . . . . . . . . . . . .

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SECTION 3 - APPLICATION TO VEHICLES 1F1C CNG ENGINES

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SECTION 3

Application to vehicles

Page

GENERAL SPECIFICATIONS 3. . . . . . . . . . . . . . . . .

MAIN DATA 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PART ONE -MECHANICAL COMPONENTS 7. . . . . . . . . . . .

OVERHAULING ENGINE 9. . . . . . . . . . . . . . . . . . .

FLYWHEEL 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

REPLACING BEARING SUPPORTINGGEARBOX 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 valveguide 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. . . . . .

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- 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 BELTREPLACEMENT 47. . . . . . . . . . . . . . . . . . . . . . . . .

- Disassembly 47. . . . . . . . . . . . . . . . . . . . . . . . . . .

- Assembly 47. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

REPLACING THE WATER PUMP 47. . . . . . . . . . . . . .

- Removal 47. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

- Refitting 47. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

EPLACING THE CRANKSHAFT SEAL RING ANDTHE FRONT COVER GASKET 48. . . . . . . . . . . . . .

- Removal 48. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

- Refitting 48. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

EPLACING THE VACUUM PUMP OIL PUMPASSEMBLY (GPOD) 50. . . . . . . . . . . . . . . . . . . . . .

- Removal 50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

- Refitting 50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

GNITION COIL REPLACEMENT 51. . . . . . . . . . . . . .

- Removal 51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

- Refitting 51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

PARK 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. . . . . . . . . . . . . . . . . . . . . . . . .

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- 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-dailychecks 88. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

MAINTENANCE PROCEDURES 88. . . . . . . . . . . . . .

- Checks and inspections 88. . . . . . . . . . . . . . . . . .

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RHAUL SPECIFICATIONS 1F1C CNG ENGINES

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SECTION 4

Overhaul and technical specifications

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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 surfaceon 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. . . . . . . . . . . . . . . . . . . . . . .

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- Checking bending 20. . . . . . . . . . . . . . . . . . . . . . .

- Assembling connecting rod-piston assembly 20. .

- Checking for connecting rod — piston distortion 21

- Assembly piston rings 21. . . . . . . . . . . . . . . . . . .

- Assembly connection rod-piston assemblyin the cylinders’ 21. . . . . . . . . . . . . . . . . . . . . . . .

- Measuring crankpin assemblyclearance 21. . . . . .

- Checking piston protrusion 22. . . . . . . . . . . . . . .

TIGHTENING TORQUES 23. . . . . . . . . . . . . . . . .

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SECTION 5 - TOOLS 1F1C CNG ENGINES

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SECTION 5

Tools

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TOOLS 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

EXPERIMENTAL TOOLS 9. . . . . . . . . . . . . . . . . .

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APPENDIX 1F1C CNG ENGINES

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Appendix

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SAFETY PRESCRIPTIONS 3. . . . . . . . . . . . . . . . . . .

- General safety rules for compressed natural gasengines 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. . . . . . . . . . . . . .