MTU 20 V 4000 M93 Instructions d'exploitation

Operating InstructionsDiesel engine12V 4000 M73, M73L, M93, M93L16V 4000 M73, M73L, M93, M93L20V 4000 M73, M73L, M93, M93LMS150047/02E

For conducting light-beam procedures and measurement work, only the following laser devices must beused:• Laser devices of classes 1, 2 or 3A.• Laser

341 – AL Open Load Cylinder A1ZKP-Number: 18.004.540Cause Corrective actionDisruption fault in injector cablingto cylinder A1. Result: Misfiring.1. Ch

347 – AL Open Load Cylinder A7ZKP-Number: 18.004.546Cause Corrective actionDisruption fault in injector cablingto cylinder A7. Result: Misfiring.1. Ch

353 – AL Open Load Cylinder B3ZKP-Number: 18.004.552Cause Corrective actionDisruption fault in injector cablingto cylinder B3. Result: Misfiring.1. Ch

359 – AL Open Load Cylinder B9ZKP-Number: 18.004.558Cause Corrective actionDisruption fault in injector cablingto cylinder B9. Result: Misfiring.1. Ch

365 – AL Stop MV-Wiring GroundZKP-Number: 18.004.561Cause Corrective actionInjector cabling fault. If bit"1.1020.021" (Power StageFailure: S

390 – AL MCR exceededZKP-Number: 11.085.009Cause Corrective actionDBR/MCR feature: MCR(maximum continuous rating)was exceeded.1. If the alarm occurs t

445 – SD P-Ambient AirZKP-Number: 18.004.580Cause Corrective actionAmbient air pressure sensorfaulty.1. Check pressure sensor and cabling, replace as

473 – AL Wiring PWM_CM2ZKP-Number: 18.004.593Cause Corrective actionCable break or short circuit onchannel PWM_CM2.1. Check cabling.2. Contact Service

493 – AL ETC3 CutIn FailureZKP-Number: 18.004.203Cause Corrective actionETC3 could not be cut in. u Check control valve on ETC 3.500 – AL Wiring POM S

506 – AL Low Starter VoltageZKP-Number: 14.500.906Cause Corrective actionThe battery voltage is too low forthe starting process.u Check starter batter

1.5 Auxiliary materials, fire prevention and environmentalprotectionFire preventionRectify any fuel or oil leaks immediately; even quantities of oil o

527 – TD EngineSpd. Sensor DeviationZKP-Number: 10.480.093Cause Corrective actionMaximum deviation of speedsensors1. Check cabling of speed sensors.Ob

596 – AL Develop PR SetZKP-Number: 18.004.645Cause Corrective actionThe parameter set used is a testparameter set.u The alarm remains active until a s

6 Task Description6.1 Engine6.1.1 Engine – Barring manuallyPreconditions☑ Engine is stopped and starting disabled.Special tools, Material, Spare parts

6.1.2 Engine – Barring with starting systemBarring using the automation systemRefer to automation system operating instructionsMS150047/02E 2012-03 |

6.2 Cylinder Liner6.2.1 Cylinder liner – Endoscopic examinationPreconditions☑ Engine is stopped and starting disabledSpecial tools, Material, Spare pa

Final steps1. Install injector (→ Page 126).2. Install cylinder head cover (→ Page 123).MS150047/02E 2012-03 | Task Description | 115TIM-ID: 000000001

6.2.2 Cylinder liner – Instructions and comments on endoscopic and visualexaminationTerms used for endoscopic examinationUse the terms listed below to

Findings MeasureBurn mark This is caused by a malfunction in the liner / ring tribosystem. Usually they runover the whole ring-travel area (TDC/BDC),

6.3 Valve Drive6.3.1 Valve gear – LubricationPreconditions☑ Engine is stopped and starting disabled.Special tools, Material, Spare partsDesignation /

6.3.2 Valve clearance – Check and adjustmentPreconditions☑ Engine is stopped and starting disabled.☑ Engine coolant temperature is max. 40 °C.☑ Valves

Lead• When working with lead or lead-containing compounds, avoid direct contact to the skin and do notinhale lead vapors.• Prevent the buildup of whit

4. Rotate crankshaft with barring device in di‐rection of engine rotation until TDC-A1marking and pointer are aligned.Diagram for 8V engines (twocrank

Diagram for 16V engines (twocrankshaft positions)1 Cylinder A1 is in firing TDC2 Cylinder A1 is in overlap TDCI Inlet valveX Exhaust valveDiagram for

Adjusting valve clearance1. Release locknut (1).2. Insert feeler gauge between valve bridgeand rocker arm.3. Use Allen key to set adjusting screw (2)

6.3.3 Cylinder head cover – Removal and installationPreconditions☑ Engine is stopped and starting disabled.Special tools, Material, Spare partsDesigna

6.4 Valve Gear6.4.1 HP pump – Filling with engine oilPreconditions☑ Engine is stopped and starting disabled.Special tools, Material, Spare partsDesign

6.5 Injection Valve / Injector6.5.1 Injector – ReplacementSpecial tools, Material, Spare partsDesignation / Use Part No. Qty.Injector(→ Spare Parts Ca

6.5.2 Injector – Removal and installationPreconditions☑ Engine is stopped and starting disabled.Special tools, Material, Spare partsDesignation / Use

2. Remove HP fuel line (4).3. Remove return line (5).Note: The injector accumulator will be emptiedwhen removing the adapter.4. Remove adapter (3).5.

Installing injector1. Remove plug before installing the injec‐tor. (Do not remove the plug from the HPline before installing the adapter.)2. Coat inje

9. Coat screw head mating face (2) andthread with engine oil.10. Fit hold-down clamp (1) in the correct position and use torque wrench to tighten scre

Used oilUsed oil may contain harmful combustion residues.Rub your hands with skin protection cream!Wash your hands after contact with used oil.MS15004

18. Mount double-walled HP line (5) and use torque wrench to tighten to the specified torque. Tighteningsequence:1 Adapter (4)2 Rail (6)Name Size Type

6.6 Fuel Filter6.6.1 Fuel filter – ReplacementPreconditions☑ Engine is stopped and starting disabled.Special tools, Material, Spare partsDesignation /

Fuel filter replacement with theengine stoppedA Both filters operatingB Left filter cut outC Right filter cut out1 Fuel vent2 Fuel filter1. Cut out th

6.7 Charge-Air Cooling6.7.1 Compressor wheel – CleaningPreconditions☑ Engine is stopped and starting disabled.Special tools, Material, Spare partsDesi

Final steps1. Install air intake.2. Install exhaust flap with actuators.3. Install exhaust system after exhaust turbocharger.4. Install air filter.(→

6.7.2 Intercooler – Check water drain for coolant discharge and obstructionDANGERUnguarded rotating and moving engine components.Risk of serious injur

6.8 Air Filter6.8.1 Air filter – ReplacementSpecial tools, Material, Spare partsDesignation / Use Part No. Qty.Air filter(→ Spare Parts Catalog)Replac

6.8.2 Air filter – Removal and installationPreconditions☑ Engine is stopped and starting disabled.Removing and installing air filter1. Release clamp (

6.9 Air Intake6.9.1 Contamination indicator – Signal ring position check (optional)Preconditions☑ Engine is stopped and starting disabled.Checking sig

6.10 Starting Equipment6.10.1 Starter – Condition checkPreconditions☑ Engine is stopped and starting disabled.Checking starter condition1. Check secur

1.6 Conventions for safety instructions in the textDANGERIn the event of immediate danger.Consequences: Death or serious injury• Remedial actionWARNIN

6.11 Lube Oil System, Lube Oil Circuit6.11.1 Engine oil level – CheckPreconditions☑ Engine shut down and starting disabled.Checking oil level prior to

6.11.2 Engine oil – ChangePreconditions☑ Engine is stopped and starting disabled.☑ Engine is at operating temperature.☑ MTU Fluids and Lubricants Spec

5. Tighten drain plugs (1) and (2) with torque wrench to the specified torque:Name Size Type Lubricant Value/StandardTightening torque 100 Nm+10NmFill

6.11.3 Engine oil – Sample extraction and analysisPreconditions☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.Special tools, Ma

6.12 Oil Filtration / Cooling6.12.1 Oil indicator filter – CleaningPreconditions☑ Engine is stopped and starting disabledSpecial tools, Material, Spar

Cleaning strainer1. Shake coarse deposits out of strainer.2. Clean all metallic parts with cleaning agent (Snow-White 11-0), then rinse with cleaning

6.12.2 Automatic oil filter – Oil filter candles replacementPreconditions☑ Engine is stopped and starting disabled.Special tools, Material, Spare part

3. Withdraw filter insert (1).4. Remove O-ring.5. Remove screw (2).6. Withdraw spinner (1) with spring.7. Remove nut (3).8. Take off spring washer and

Oil filter candles – Installation1. For installation follow reverse sequence of working steps.2. In addition, the following work must be performed:• R

6.12.3 Oil indicator filter – CheckPreconditions☑ Engine is stopped and starting disabled.Special tools, Material, Spare partsDesignation / Use Part N

2 Product Summary2.1 Engine Layout2.1.1 Product descriptionDescription of the engineEngineThe engine is a liquid-cooled four-stroke diesel engine, rot

Checking strainerItem Findings TaskStrainer Metallic residues • Clean• Monitor engine operation• Check strainer daily• Contact Service.Strainer Damage

6.12.4 Centrifugal oil filter – Cleaning and filter-sleeve replacementPreconditions☑ Engine is stopped and starting disabled.Special tools, Material,

Centrifugal oil filter – Cleaning andfilter-sleeve replacement1. Remove clamp (3).2. Release cover screw (1) and take off cover(2).3. Carefully lift r

6.13 Coolant Circuit, General, High-Temperature Circuit6.13.1 Venting pointsCoolant lines on ETC1 Venting pointVent line – Cross-distributionn expansi

6.13.2 Engine coolant – Level checkPreconditions☑ Engine is stopped and starting disabled.☑ MTU Fluids and Lubricants Specifications (A001061/..) are

6.13.3 Engine coolant – ChangeSpecial tools, Material, Spare partsDesignation / Use Part No. Qty.Engine coolantChanging engine coolant1. Drain engine

6.13.4 Engine coolant drainingPreconditions☑ Engine is stopped and starting disabled.WARNINGCoolant is hot and under pressure.Risk of injury and scald

6.13.5 Engine coolant – FillingPreconditions☑ Engine is stopped and starting disabled.☑ MTU Fluids and Lubricants Specifications (A001061/..) are avai

Filling coolant through filler neck1. Open vent points on distributor, oil heat ex‐changer and exhaust turbochargers (ar‐rowed).2. Fill in coolant in

6.13.6 Engine coolant pump – Relief bore checkDANGERUnguarded rotating and moving engine components.Risk of serious injury – danger to life!• Take spe

Service-components:• Raw water pump, coolant pump• Fuel duplex filter, switchable• Automatic oil filter• Centrifugal lube oil filter• Coolant expansio

6.13.7 Engine coolant – Sample extraction and analysisPreconditions☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.Special tools

6.13.8 Coolant filter – ReplacementPreconditions☑ Engine is stopped and starting disabled.Special tools, Material, Spare partsDesignation / Use Part N

6.14 Raw Water Pump with Connections6.14.1 Raw water pump – Relief bore checkDANGERUnguarded rotating and moving engine components.Risk of serious inj

6.15 Battery-Charging Generator6.15.1 Battery-charging generator drive – Coupling condition checkPreconditions☑ Engine shut down and starting disabled

6.16 Engine Mounting / Support6.16.1 Engine mounts – Checking securing screws for firm seatingPreconditions☑ Engine is stopped and starting disabled.E

6.16.2 Engine mounts – Resilient element checkPreconditions☑ Engine is stopped and starting disabled.☑ Engine is filled with coolant and engine oil.Sp

Engine mounts – Checking bufferclearance1. Take off protective cap (2).2. Check marking (1):• With marking 30: a = 3 mm +0,3 mm.• With marking 40: a =

6.17 Auxiliary PTO6.17.1 Bilge pump – Relief bore checkDANGERUnguarded rotating and moving engine components.Risk of serious injury – danger to life!•

6.18 Fuel Supply System6.18.1 Water drain valve – CheckWater drain valve – Check1. Open water drain valve.2. Check water outlet for obstructions.3. Cl

6.18.2 Differential pressure gauge – CheckWARNINGFuels are combustible.Risk of fire and explosion!• Avoid open flames, electrical sparks and ignition

1 Fuel line to fuel filter head1 Fuel line from/to fuel filter head1 Fuel line to HP pumpMS150047/02E 2012-03 | Product Summary | 17TIM-ID: 0000010056

6.18.3 Water level probe (3-in-1 rod electrode) – CheckPreconditions☑ System is put out of service and emptied.WARNINGFuels are combustible.Risk of fi

6.18.4 Pump capacity – CheckWARNINGFuels are combustible.Risk of fire and explosion!• Avoid open flames, electrical sparks and ignition sources.• Do n

6.18.5 Coalescer filter element – ReplacementPreconditions☑ System is switched off and starting disabled.Special tools, Material, Spare partsDesignati

16. Tighten nut (3) to specified tightening torque using a torque wrench.Name Size Type Lubricant Value/StandardNut M16 Tightening torque (Engine oil)

6.19 Wiring (General) for Engine/Gearbox/Unit6.19.1 Engine wiring – CheckPreconditions☑ Engine is stopped and starting disabled.Special tools, Materia

6.20 Accessories for (Electronic) Engine Governor / ControlSystem6.20.1 Start interlock limit switch – CheckPreconditions☑ Engine is stopped and start

6.20.2 Engine Control Unit ECU 7 – Checking plug connectionsPreconditions☑ Engine is stopped and starting disabled.Check plug connections on ECU 71. C

6.20.3 Engine monitoring unit EMU – Plug connection checkPreconditions☑ Engine is stopped and starting disabled.Checking EMU plug connections1. Check

6.20.4 ECU 7 engine governor – Removal and installationPreconditions☑ Engine is stopped and starting disabled.CAUTIONWrong engine governor installed.E

6.20.5 EMU 7 – Removal and installationPreconditions☑ Engine is stopped and starting disabled.CAUTIONWrong engine governor installed.Engine damage!• W

Lube oil system, oil lines with oil pressures exceeding 1.8 barAll lines with SOLAS-compliant covers for pipe connections, according to MTU standard M

7 Appendix A7.1 AbbreviationsAbbrevia‐tionMeaning ExplanationADEC Advanced Diesel Engine Control Engine governorAL Alarm Alarm (general)ANSI American

Abbrevia‐tionMeaning ExplanationKS Kraftseite Engine driving end in accordance with DIN ISO1204LCD Liquid Crystal Display, Liquid CrystalDeviceLCU Loc

7.2 MTU contacts/service partnersServiceOur worldwide sales network with its subsidiaries, sales offices, representatives and customer servicecenters

8 Appendix B8.1 IndexAAbbreviations 180Actuators– Overview  25After stopping the engine 76Air filter– Removal and installation  137– Replacement  136A

FFilter– Coalescer Element  – Replacement  172Fire protection 11Firing order 37Fluids and lubricants 11Fuel– Treatment system  – Troubleshooting  85–

8.2 Spare PartsAssembly paste (Optimoly Paste White T)Part No.: 40477Qty.:Used in:1 6.5.2 Injector – Removal and installation (→ Page 126)Cleaning age

Engine oilPart No.:Qty.:Used in: 6.3.1 Valve gear – Lubrication (→ Page 118)Qty.:Used in: 6.3.2 Valve clearance – Check and adjustment (→ Page 119)Qty

8.3 ConsumablesBarring devicePart No.: F6555766Qty.:Used in:1 6.1.1 Engine – Barring manually (→ Page 112)Box wrenchPart No.: F30379609Qty.:Used in:1

Filter wrenchPart No.: F30379104Qty.:Used in:1 6.13.8 Coolant filter – Replacement (→ Page 161)Installation/removal toolPart No.: F6789889Qty.:Used in

Ratchet adapterPart No.: F30027341Qty.:Used in:1 6.3.2 Valve clearance – Check and adjustment (→ Page119)Qty.:Used in:1 6.11.2 Engine oil – Change (→

1 Oil supply to HP pump1 Oil supply to flap control free end1 ETC oil supply on main oil galleryMS150047/02E 2012-03 | Product Summary | 19TIM-ID: 000

Torque wrenchPart No.: F30027337Qty.:Used in:1 6.11.2 Engine oil – Change (→ Page 141)Torque wrench, 0.5-5 NmPart No.: 0015384230Qty.:Used in:1 6.5.2

8.4 Special ToolsAir filterPart No.:Qty.:Used in: 6.8.1 Air filter – Replacement (→ Page 136)Coalescer filter elementPart No.:Qty.:Used in: 6.18.5 Coa

O-ringPart No.:Qty.:Used in: 6.5.2 Injector – Removal and installation (→ Page 126)Qty.:Used in:1 6.12.1 Oil indicator filter – Cleaning (→ Page 144)Q

Synthetic ringPart No.:Qty.:Used in: 6.6.1 Fuel filter – Replacement (→ Page 131)MS150047/02E 2012-03 | Appendix B | 193DCL-ID: 0000017652 - 001

Printed in Germany© 2012 Copyright MTU Friedrichshafen GmbHThis Publication is protected by copyright and may not be used in any way whether in whole

1 Switching cylinder air flap turbo‐charger B12 T piece flap control1 Switching cylinder exhaust flap tur‐bocharger B11 Oil line from main oil gallery

1 Flap control distributor1 Air recirculation valveSpecial unionsThe following types of union are spray-proof in case of leakage even without covers a

Plug-in pipe unionDesign precludes lateral spray as the point of separation is shielded by the sleeve (4).Only seepage along the pipeline is possible

High-pressure unions1 Jacketed pipe2 HP line3 O-ring4 Union nut5 Recess for O-ring6 Thrust ring7 Leakage overflow bore8 Thrust ring9 Union nut10 Union

2.1.2 Engine layoutAlso valid for 12V engines1 Oil cooler2 Coolant expansion tank3 Crankcase breather4 Air filter5 Exhaust turbocharger6 Intercooler7

2.1.3 Sensors, actuators and injectors – OverviewTop view 12V 4000 M1 B4.A1 (exhaust temp.cyl. A1)2 B4.A2 (exhaust temp.cyl. A2)3 B4.A3 (exhaust temp.

12V 4000 M left side1 B5.1 (lube-oil pressureafter filter)2 B7 (lube oil tempera‐ture)3 B50 (crankcase pres‐sure)4 B3 (intake air tempera‐ture)5 B44.1

12V 4000 M free end1 F46 (fuel level leakage)2 B33 (fuel temp. (Rail)3 B1 (camshaft speed)4 B54 (oil refill pump pres‐sure)5 B6.2 (coolant tempera‐tur

12V 4000 M right side1 B44.2 (turbocharger Bspeed)2 B16 (coolant pressure)3 B21 (raw water pres‐sure)4 B77.B6 (spray oil temp.(conrod bearing)5 B77.B5

12 V 4000 M driving end1 B13 (crankshaft speed)2 S37.2 (safety switch)3 S37.1 (safety switch)4 B13.2 (crankshaftspeed)MS150047/02E 2012-03 | Product S

Table of Contents1 Safety1.1 General conditions 51.2 Personnel and organizational requirements 61.3 Transport 71.4 Safety regulations for maintenance

Top view 16V 4000 M1 B4.A1 (exhaust temp.cyl. A1)2 B4.A2 (exhaust temp.cyl. A2)3 B4.A3 (exhaust temp.cyl. A3)4 B4.A4 (exhaust temp.cyl. A4)5 B4.A5 (ex

16V 4000 M left side1 B5.1 (lube-oil pressureafter filter)2 B7 (lube oil tempera‐ture)3 B50 (crankcase pres‐sure)4 B44.1 (turbocharger Aspeed)5 B10 (c

16V 4000 M free end1 F46 (fuel level leakage)2 B33 (fuel temp. (Rail)3 B1 (camshaft speed)4 B54 (oil refill pump pres‐sure)5 B6.2 (coolant tempera‐tur

16V 4000 M right side1 B44.2 (turbocharger Bspeed)2 B16 (coolant pressure)3 B21 (raw water pres‐sure)4 B77.B8 (spray oil temp.(conrod bearing)5 B77.B7

16V 4000 M driving end1 B13 (crankshaft speed)2 S37.2 (safety switch)3 S37.1 (safety switch)4 B13.2 (crankshaftspeed)34 | Product Summary | MS150047/0

2.2 Engine side and cylinder designationsEngine sides are always designated as viewed from the driving end (KS).The cylinders of the left engine side

2.3 Engine – Main dimensionsEngine – Main dimensionsEngine model Length (A) Width (B) Height (C)12V 4000 M73/93L approx. 2991 mm approx. 1463 mm appro

2.4 Firing orderFiring orderNum‐ber ofcylin‐dersFiring order8V A1-B4-A4-A2-B3-A3-B2-B112V A1-B5-A5-B3-A3-B6-A6-B2-A2-B4-A4-B116 V A1-A7-B4-B6-A4-B8-A2

2.5 Technical Data2.5.1 ENGINE DATA 12V 4000M93, heat exchanger installed, EPA stage 2Explanation:DL Ref. value: Continuous powerBL Ref. value: Fuel s

RAW WATER CIRCUIT (open circuit)Number of cylinders 12Raw water pump: Inlet pressure, min. L bar -0.2Raw water pump: Inlet pressure , max. L bar 0.5Pr

6.6 Fuel Filter 1316.6.1 Fuel filter – Replacement 1316.7 Charge-Air Cooling 1336.7.1 Compressor wheel – Cleaning 1336.7.2 Intercooler – Check water d

Number of cylinders 12Longitudinal inclination, continuous max., driving end up (option: max. oper‐ating inclinations)L Degrees 10Transverse inclinati

2.5.2 ENGINE DATA 12V 4000M93, heat exchanger installed, IMOExplanation:DL Ref. value: Continuous powerBL Ref. value: Fuel stop powerA Design valueG G

RAW WATER CIRCUIT (open circuit)Number of cylinders 12Raw water pump: Inlet pressure, min. L bar -0.2Raw water pump: Inlet pressure , max. L bar 0.5Pr

Number of cylinders 12Longitudinal inclination, continuous max., driving end up (option: max. oper‐ating inclinations)L Degrees 10Transverse inclinati

2.5.3 ENGINE DATA 12V 4000M93L, heat exchanger installed, EPA stage 2Explanation:DL Ref. value: Continuous powerBL Ref. value: Fuel stop powerA Design

RAW WATER CIRCUIT (open circuit)Number of cylinders 12Raw water pump: Inlet pressure, min. L bar -0.2Raw water pump: Inlet pressure , max. L bar 0.5Pr

Number of cylinders 12Longitudinal inclination, continuous max., driving end up (option: max. oper‐ating inclinations)L Degrees 10Transverse inclinati

2.5.4 ENGINE DATA 12V 4000M93L, heat exchanger installed, IMOExplanation:DL Ref. value: Continuous powerBL Ref. value: Fuel stop powerA Design valueG

RAW WATER CIRCUIT (open circuit)Number of cylinders 12Raw water pump: Inlet pressure, min. L bar -0.2Raw water pump: Inlet pressure , max. L bar 0.5Pr

Number of cylinders 12Longitudinal inclination, continuous max., driving end up (option: max. oper‐ating inclinations)L Degrees 10Transverse inclinati

1 Safety1.1 General conditionsGeneralIn addition to the instructions in this publication, the applicable country-specific legislation and other com‐pu

2.5.5 ENGINE DATA 16V 4000M93, heat exchanger installed, EPA stage 2Explanation:DL Ref. value: Continuous powerBL Ref. value: Fuel stop powerA Design

RAW WATER CIRCUIT (open circuit)Number of cylinders 16Raw water pump: Inlet pressure, min. L bar -0.2Raw water pump: Inlet pressure , max. L bar 0.5Pr

Number of cylinders 16Longitudinal inclination, continuous max., driving end up (option: max. oper‐ating inclinations)L Degrees 10Transverse inclinati

2.5.6 ENGINE DATA 16V 4000M93, heat exchanger installed, IMOExplanation:DL Ref. value: Continuous powerBL Ref. value: Fuel stop powerA Design valueG G

RAW WATER CIRCUIT (open circuit)Number of cylinders 16Raw water pump: Inlet pressure, min. L bar -0.2Raw water pump: Inlet pressure , max. L bar 0.5Pr

Number of cylinders 16Longitudinal inclination, continuous max., driving end up (option: max. oper‐ating inclinations)L Degrees 10Transverse inclinati

2.5.7 ENGINE DATA 16V 4000M93L, heat exchanger installed, EPA stage 2Explanation:DL Ref. value: Continuous powerBL Ref. value: Fuel stop powerA Design

RAW WATER CIRCUIT (open circuit)Number of cylinders 16Raw water pump: Inlet pressure, min. L bar -0.2Raw water pump: Inlet pressure , max. L bar 0.5Pr

Number of cylinders 16Longitudinal inclination, continuous max., driving end up (option: max. oper‐ating inclinations)L Degrees 10Transverse inclinati

2.5.8 ENGINE DATA 16V 4000M93L, heat exchanger installed, IMOExplanation:DL Ref. value: Continuous powerBL Ref. value: Fuel stop powerA Design valueG

1.2 Personnel and organizational requirementsPersonnel requirementsAll work on the engine shall be carried out by trained and qualified personnel only

RAW WATER CIRCUIT (open circuit)Number of cylinders 16Raw water pump: Inlet pressure, min. L bar -0.2Raw water pump: Inlet pressure , max. L bar 0.5Pr

Number of cylinders 16Longitudinal inclination, continuous max., driving end up (option: max. oper‐ating inclinations)L Degrees 10Transverse inclinati

3 Operation3.1 LOP – ControlsLOP – ControlsItem Color Inscription Meaning / Function1 White F1 Function keys to control the man-machine inter‐face. Fu

Item Color Inscription Meaning / Function8 White DIM ↓ Holding down the button decreases LCD back‐ground illumination.9 White LAMP TEST Pressing the b

3.2 Putting the engine into operation after extended out-of-service periods (>3 months)Preconditions☑ Engine is stopped and starting disabled.☑ MTU

3.3 Putting the engine into operation after scheduled out-of-service-periodPreconditions☑ Engine is stopped and starting disabled.Putting into operati

3.4 Starting the enginePreconditions☑ External start interlock is not active.☑ Emergency air shut-off flaps (if fitted) are open.DANGERUnguarded rotat

3.5 Operational checksDANGERUnguarded rotating and moving engine components.Risk of serious injury – danger to life!• Take special care when working o

3.6 Fuel treatment system control cabinet – Control elementsNo. Color Caption Meaning/Function1 Green Signal lamp Indicates „Pump running“2 Red Signal

3.7 Tasks after extended out-of-service periods (>3 weeks)Tasks after extended out-of-service periods (>3 weeks)Note: Operate fuel treatment sys

1.3 TransportTransportLift the engine only with the lifting eyes provided.The lifting eyes are designed for engine transport only, not for the transpo

3.8 Checks prior to start-upChecks prior to start-up1. Check tank and the entire pipework for cleanness. If microorganisms are detected:a) Clean affec

3.9 Fuel treatment system – Putting into operationOverview of fuel treatment system1 Pressure-free overflow2 Bypass 13 Bypass 24 Safety valve, 3 bar5

Simulation of filter replacement with the engine running: HAT1. Switch on fuel treatment system (→ Page 73).2. Start engine (→ Page 66).3. Run engine

3.10 Fuel treatment system – Switching onPreconditions☑ The on-board power supply is switched on.CAUTIONDamage to engine/plant.Major material damage!•

3.11 Stopping the engineStopping the engine via the automation systemRefer to automation system operating instructions74 | Operation | MS150047/02E 20

3.12 Emergency engine stopCAUTIONAn emergency stop causes extreme stress to the engine.Risk of overheating, damage to components!• Initiate emergency

3.13 After stopping the enginePreconditions☑ MTU Fluids and Lubricants Specifications (A001061/..) are available.After stopping the engineItem ActionC

3.14 Fuel treatment system – ShutdownShutting down fuel treatment system1. Press the illuminated pushbutton "Water drain" on the switch cabi

3.15 Fuel prefilter – DrainingPreconditions☑ Engine is stopped and starting disabled.Special tools, Material, Spare partsDesignation / Use Part No. Qt

2. Open threaded vent plug (5) of filter to bedrained.3. Unlock drain valve (6) by pressing toggleand open it.4. Drain water and contaminants from fil

1.4 Safety regulations for maintenance and repair workSafety regulations for maintenance and repair workHave maintenance and repair work carried out b

3.16 Plant – CleaningPreconditions☑ Engine is stopped and starting disabled.☑ Operating voltage is not applied.Special tools, Material, Spare partsDes

4 Maintenance4.1 Maintenance schedule task reference table [QL1]The maintenance tasks and intervals for this product are defined in the Maintenance Sc

5 Troubleshooting5.1 TroubleshootingEngine does not turn when starter is actuatedComponent Probable cause TaskBattery Low or defective Charge or repla

Engine speed not steadyComponent Probable cause TaskFuel injection equip‐mentInjector defective Replace (→ Page 125).Speed sensor Defective Contact Se

Exhaust gas whiteComponent Probable cause TaskEngine Not at operating temperature Run engine to reach operating temper‐ature.Intercooler Leaking Conta

5.2 Fuel treatment system – TroubleshootingIlluminated pushbutton “Water alarm” is lit.Cause Corrective actionWhen the maximum water levelis reached,

5.3 ADEC engine governor – Fault codes29 – HI ETC Idle Speed too HighZKP-Number: 18.004.206Cause Corrective actionIdle speed of one of thesecondary tu

141 – AL Power too highZKP-Number: 11.088.007Cause Corrective actionThis alarm occurs if the averagevalue of power over the last 24hours exceeded the

205 – SD T-Coolant IntercoolerZKP-Number: 18.004.574Cause Corrective actionIntercooler coolant temperaturesensor faulty; Short circuit orwire breaku C

213 – SD P-Coolant IntercoolerZKP-Number: 18.004.569Cause Corrective actionIntercooler coolant pressuresensor faulty; Short circuit orwire break1. Che

Welding workNever carry out welding work on the assembly, system, or engine-mounted units. Cover the engine whenwelding in its vicinity.Do not use the

221 – SD P-Diff-Lube OilZKP-Number: 18.004.585Cause Corrective actionLube oil differential pressuresensor faulty; Short circuit orwire break1. Check s

230 – SD Crankshaft SpeedZKP-Number: 18.004.498Cause Corrective actionCrankshaft sensor faulty; Shortcircuit or wire break1. Check sensor and cabling

241 – SD T-UmblasenZKP-Number: 18.004.581Cause Corrective actionRecirculation temperaturesensor faulty; Short circuit orwire break1. Check sensor and

303 – AL Timing Cylinder A3ZKP-Number: 18.004.502Cause Corrective actionTime-of-flight measuring fault ofinjector in cylinder A3: Time-offlight measur

308 – AL Timing Cylinder A8ZKP-Number: 18.004.507Cause Corrective actionTime-of-flight measuring fault ofinjector in cylinder A8: Time-offlight measur

313 – AL Timing Cylinder B3ZKP-Number: 18.004.512Cause Corrective actionTime-of-flight measuring fault ofinjector B3: Time-of flightmeasured value ext

318 – AL Timing Cylinder B8ZKP-Number: 18.004.517Cause Corrective actionTime-of-flight measuring fault ofinjector B8: Time-of flightmeasured value ext

323 – AL Wiring Cylinder A3ZKP-Number: 18.004.522Cause Corrective actionShort-circuit in injector cabling tocylinder A3. Result: Misfiring.1. Rectify

329 – AL Wiring Cylinder A9ZKP-Number: 18.004.528Cause Corrective actionShort-circuit in injector cabling tocylinder A9. Result: Misfiring.1. Rectify

335 – AL Wiring Cylinder B5ZKP-Number: 18.004.534Cause Corrective actionCabling fault in injector cabling tocylinder B5. Result: Misfiring.1. Rectify