IVECO S30 ENT M 23 Diesel Engine Service Repair Manual 2007-2012

SOFIM ENGINE S30 ENT M23 TECHNICAL AND REPAIR MANUAL MARCH 2007 EDITION TECHNOLOGICAL EXCELLENCE

1.2 MARCH 2007 S30 ENT M23 FOREWORD We strongly recommend that you carefully read the indications contained in this document: compliance with them protects the engine against irregular operation and assures its reliability, safeguarding sea-going and maintenance personnel against accident hazards. The indications contained in this document pertain to the S30 ENT M23 marine engine and complement the IVECO MOTORS-FPT publication of “Marine Diesel Engines Installa- tion Handbook” that the reader should refer to for anything that is not explained herein. Technical engineers and fitters are required to comply with safety regulations on work. They have to implement and adopt the device required for individual personal safeguard while carrying out maintenance or checks. Safety rules are reported in Section 9 of this publication. Regulations on handling engine are reported at the end of Section 6 of this publication. In order to start the engine, strictly follow the procedure stated at the end of Section 5 of this publication. To get the best possible performance out of the engine, it is mandatory to conform with its intended mission profile. The engine must not be used for purposes other than those stated by the manufacturer. IVECO MOTORS-FPT is available beforehand to examine requirements for special installations, if any. In particular o Use of unsuitable fuels and oils may compromise the engine’s regular operation, reducing its performance, reliability and working life; o Exclusive use of IVECO Original Parts is a necessary condition to maintain the engine in its original integrity; o Any tampering, modifications, or use of non-original parts may jeopardize the safety of service personnel and boat users. To obtain spare parts, you must indicate: - Commercial code, serial number and indications shown on the engine tag; - Part number of the spare as per spare part catalog. The information provided below refer to engine characteristics that are current as of the publication date. IVECO MOTORS-FPT reserves the right to make modifications at any time and without advance notice, to meet technical or commercial requirements or to comply with local legal and regulatory requirements. We refuse all liability for any errors and omissions. The reader is reminded that the IVECO MOTORS-FPT Technical Assistance Network is always at the Customer’s side with its competence and professionalism. Publication IVECO MOTORS-FPT edited by: IVECO PowerTrain Advertising & Promotion Pregnana Milanese (MI) www.ivecomotors.com Printed P3D32S001 E - March 2007 Edition

1. MARCH 2007 S30 ENT M23 SECTION CONTENTS OVERVIEW 5 TECHNICAL DATA 47 ELECTRICAL EQUIPMENT 53 DIAGNOSTICS 81 MAINTENANCE 131 SERVICING OPERATIONS ON INSTALLED ENGINE 137 TOOLS 151 OVERHAUL 167 SAFETY REGULATIONS 251 1. 2. 3. 4. 5. 6. 7. 8. 9. Section Page Indications for consultation Sections 1-2-3 are intended for sales personnel, to provide them with exact knowledge of the product’s characteristics and enable them to meet the Customer’s demands with precision. The remaining sections are meant for personnel in charge of carrying out ordinary and extraordinary maintenance; with an attentive consultation of the chapter devoted to diagnos- ing, they will also be able to provide an effective technical assistance service.

MARCH 2007 S30 ENT M23 4 PAGE LEFT INTENTIONALLY BLANK

OVERVIEW 1. MARCH 2007 S30 ENT M23 SECTION 1 IDENTIFYING DATA 7 COMMERCIAL CODE 8 PRODUCT MODEL NUMBER 9 ENGINE PARTS AND COMPONENTS 10 ENGINE ARCHITECTURE 12 Crankcase 12 Crankshaft 13 Connecting rods 14 Pistons 14 Timing control 15 Cylinder head 16 Overhead 17 Auxiliary gears control 17 COMBUSTION AIR INTAKE AND EXHAUST SYSTEM 18 Comburent air filter 19 Turbocompressor 19 Air/sea-water heat exchanger 19 COOLING FRESH WATER CLOSED-LOOP 20 Coolant pump 21 Lubricating oil/engine coolant heat exchanger 21 Thermostatic valve 22 Exhaust manifold cooling 22 SEA-WATER OPEN COOLING LOOP 23 Sea-water pump 24 Coolant/sea-water heat exchanger 24 ENGINE OIL LUBRICATION LOOP 25 OVERVIEW Page (continues on next page)

OVERVIEW 1. MARCH 2007 S30 ENT M23 Lubricating oil pump 26 Oil vapour recirculation (Blow-by) 27 Oil filter 28 FUEL LINE 29 Fuel supply system scheme 30 Fuel pre-filter 31 Fuel electric pump 31 Fuel filter 32 High pressure fuel pump 33 High-pressure pump internal structure 35 Rail and high pressure piping 38 Electro-injector 38 EDC 16 SYSTEM ELECTRONIC AND ELECTRIC MAIN COMPONENTS 40 EDC 16 Electronic Central Unit 41 Sensors on fuel filter 41 Fuel pressure sensor in the rail 42 Combustion air temperature and pressure sensor 43 Coolant temperature sensor 44 Page

OVERVIEW 1.7 MARCH 2007 S30 ENT M23 IDENTIFYING DATA Figure 2 Figure 1 06_004_S 05_003_S The engine identification data are stenciled on a tag positioned over the engine coolant tank

OVERVIEW 1. MARCH 2007 S30 ENT M23 COMMERCIAL CODE The purpose of the commercial code is to make the characteristics of the product easier to understand, categorizing the engines according to their family, origins and intended application. The commercial code, therefore, cannot be used for the technical purpose of recognizing the engine’s components, which is served by the “ENGINE S/N”. S 30 E N T M 23 . 1 0 ENGINE FAMILY IDENTIFIER: S = SOFIM DISPLACEMENT: 30 = 3,000 cc NOMINAL FUEL SUPPLY: E = ELECTRONIC INJECTION BASE: N = NON STRUCTURAL AIR INTAKE: T = INTERCOOLED SUPERCHARGED APPLICATION: M = MARINE MAXIMUM PERFORMANCE LEVEL ACHIEVABLE 23 = 230 HP VERSION: TURBOCHARGED: 1 = COOLED 2 = NOT COOLED VERSION

OVERVIEW 1. MARCH 2007 S30 ENT M23 PRODUCT MODEL NUMBER The model number is assigned by the manufacturer; it is used to identify the main characteristics of the engine, and to character- ize its application and power output level. It is stamped on a side of crank-case, close to oil filter. F 1 C E 0 4 8 6 * ENGINE FAMILY IDENTIFIER DESIGN ITERATION ENGINE NO. OF STROKES AND CYLINDER DISPOSITION (0 = 4 STROKES, VERTICAL) NO. OF CYLINDERS FUEL + INJECTION (8 = DIESEL, TCA, DIRECT INJECTION) INTENDED USE (6 = MARINE)

OVERVIEW 1.10 MARCH 2007 S30 ENT M23 ENGINE PARTS AND COMPONENTS Figure  1. Engine coolant discharge cap - 2. Electric starter motor - 3. Tube bundle engine coolant/sea water heat exchanger - 4. Exhaust gas and sea water discharge pipeline - 5. Engine coolant tank - 6. Coolant refill cap - 7. Lifting eyebolts - 8. Oil refill cap - 9. Sea water pump actuation pulley - 10. Engine coolant pump control pulley - 11. Auxiliary belt automatic tensioner - 12. Alternator - 13. Location of sacrificial anode. 13 12 2 3 4 7 8 7 9 05_003_S 6 5 11 1 10

IVECO S30 ENT M 23 Diesel Engine Service Repair Manual 2007-2012

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