Mtu 8 v 2000 m50a; 8 v 2000 m50b; 8 v 2000 m51a; 8 v 2000 m51b; 12 v 2000 m50a; 12 v 2000 m50b; 12 v 2000 m51a; 12 v 2000 m51b; 16 v 2000 m50a; 16 v 2000 m50b; 16 v 2000 m51a; 16 v 2000 m51b diesel engines (257 pages)
Operating Instructions Diesel Engine 12 V 2000 Gx6F MS150111/01E...
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All information in this publication was the latest information available at the time of going to print. MTU Friedrichshafen GmbH reserves the right to change, delete or supplement the information provided as and when required.
Table of Contents 1 Safety 7 Task Description 1.1 Important requirements for all products 7.1 Engine 1.2 Personnel and organizational requirements 7.1.1 Engine – Barring manually 7.1.2 Engine – Barring with starting system 1.3 Transport 1.4 Safety requirements for maintenance and 7.2 Crankcase Breather repair work 7.2.1 Crankcase breather –...
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8 Appendix A 7.15 Battery-Charging Generator 7.15.1 Battery-charging generator drive – Drive belt 8.1 List of abbreviations replacement 8.2 MTU contact persons/service partners 7.16 Fuel Supply System 7.16.1 Water drain valve – Check 9 Appendix B 7.16.2 Differential pressure gauge – Check 7.16.3 Water level probe (3-in-1 rod electrode) –...
• With fluids and lubricants approved by the manufacturer in accordance with the (→ Fluids and Lubri- cants Specifications of the manufacturer) • With spare parts approved by the manufacturer in accordance with the (→ Spare Parts Catalog/MTU contact/Service partner) •...
1.2 Personnel and organizational requirements Organizational measures of the operator This manual must be issued to all personnel involved in operation, maintenance, repair or transporta- tion. Keep this manual handy in the vicinity of the product such that it is accessible to operating, mainte- nance, repair and transport personnel at all times.
Only set down engine on a firm, level surface. Make sure that the consistency and load-bearing capacity of the ground or support surface is adequate. Never set an engine down on the oil pan unless expressively authorized to do so by MTU on a case-to- case basis .
1.4 Safety requirements for maintenance and repair work Safety requirements before commencing maintenance and repair work Have maintenance or repair work carried out by qualified and authorized personnel only. Allow the product to cool down to less than 50°C (risk of explosion for oil vapors, fluids and lubricants, risk of burning).
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Pay particular attention to cleanliness at all times. Safety requirements after completing maintenance and repair work Ensure that all personnel is clear of danger zones before cranking. Check that all access ports/apertures which have been opened to facilitate working are closed again. Check that all safety equipment has been installed and that all tools and loose parts have been re- moved (especially the barring gear).
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Working on electrical/electronic assemblies Always obtain the permission of the duty supervisor before commencing maintenance or repair work or switching off any part of the electronic system required to do so. De-energize the appropriate areas prior to working on assemblies. Avoid damaging cabling during removal.
The latest version can be found on the website on the "Technical Info" or "Spare Parts and Service" tabs at http://www.mtu-online.com. Consumable fluids and materials may also be hazardous or toxic. When using fluids, lubricants, consum- ables and other chemical substances, follow the safety regulations that apply to the product.
Lead • Adopt suitable measures to avoid the formation of lead dust. • Switch on extraction system. • When working with lead or pastes that contain lead, avoid direct contact with the skin. Do not inhale lead vapors. • Wash hands after contact with lead or lead-containing substances. Compressed air Observe special safety precautions when working with compressed air: •...
1.6 Standards for safety notices in the text DANGER In the event of immediate danger. Consequences: Death, serious or permanent injury! • Remedial action. WARNING In the event of a situation involving potential danger. Consequences: Death, serious or permanent injury! •...
2 General Information 2.1 Engine side and cylinder designations 1 Left engine side (A-side) 3 Right engine side (B-side) 2 Engine free end in accord- 4 Engine driving end in ac- ance with DIN ISO 1204 cordance with (KGS = Kupplungsgegen- DIN ISO 1204 (KS = Kup- seite) plungsseite)
2.2 Engine overview 12 V 2000 G56/66F 1 Exhaust turbocharger 7 Power supply 13 Valve gear 2 Air intake/air supply 8 Cooling air system 14 Cylinder head 3 EGR cooler 9 Coolant system 15 Exhaust pipework 4 Intercooler 10 Mounting/support 16 PTO system, driving end 5 Monitoring, control and 11 Fuel system (low pressure)
3 Technical Data 3.1 Engine data 12 V 2000 G56/66F Explanation: DL Reference value: Continuous power (CP) BL Reference value: Fuel stop power (FSP) A Design value G Guaranteed value R Guideline value L Limit value, up to which the engine can be operated, without change (e.g. of power setting) N Not yet defined value - Not applicable X Applicable...
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MODEL RELATED DATA (basic design) Number of cylinders Number of cylinders Cylinder arrangement: V angle Degrees (°) Bore Stroke Cylinder displacement Liters 2.233 2.233 Total displacement Liters 26.80 26.80 Inlet valves per cylinder Exhaust valves per cylinder COMBUSTION AIR / EXHAUST GAS Number of cylinders Charge-air pressure before cylinder bar abs...
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FUEL SYSTEM Number of cylinders Fuel pressure at engine inlet connection, min. (during engine start) L -0.5 -0.5 Fuel pressure at engine inlet connection, min. (when engine is run- -0.5 -0.5 ning) Fuel pressure at engine inlet connection, max. (during engine start) GENERAL OPERATING DATA Number of cylinders...
3.2 Firing order Firing order 12 V 2000 G56/66F Number of cylin- Firing order ders 12 V A1-B5-A5-B3-A3-B6-A6-B2-A2-B4-A4-B1 MS150111/01E 2014-05 | Technical Data | 19...
4 Operation 4.1 Putting the engine into operation after extended out-of-service periods (>3 months) Preconditions ☑Engine is stopped and starting disabled. ☑MTU Fluids and Lubricants Specifications (A001061/..) are available. Putting into operation after long out-of-service periods (>3 months) Item Action Engine Depreserve (→...
4.3 Tasks after extended out-of-service periods (>3 weeks) Tasks after extended out-of-service periods (>3 weeks) Note: Operate fuel treatment system for at least 5 minutes. Start up fuel treatment system (→ Page 25). Shut down fuel treatment system (→ Page 34). MS150111/01E 2014-05 | Operation | 23...
Checks prior to start-up Check tank and the entire pipework for cleanness. If microorganisms are detected: a) Clean affected components. b) Disinfect affected components with biocides (→ MTU Fluids and Lubricants Specifications A001061/..). Close drain valves on housing. Open all supply and discharge valves.
4.5 Fuel treatment system – Putting into operation Overview of fuel treatment system 1 Pressure-free overflow 9 Ball valve, outlet 17 Automatic water drain 2 Bypass 1 10 Check valve 700 mbar 18 Water level electrode 3 Bypass 2 11 Check valve 5 mbar 19 Ball valve, sample extrac- 4 Safety valve, 3 bar 12 Return to overflow con-...
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Initial operation: HAT Replace fuel filter on engine (→ Page 60). Note: Determine the suction pressure upstream of the engine-mounted fuel delivery pump. Install pressure gage in fuel supply line from Yard fuel system to engine. Switch on fuel treatment system and operate it for some minutes (→ Page 29). Result: The fuel is drawn from tank (24), cleaned by the water separator filter (15) and then routed via overflow tank (14) back to tank (24).
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Simulation of power failure (emergency): SAT Switch on fuel treatment system (→ Page 29). Start engine (→ Page 28). Run engine at idling speed. Switch off pump (21) at switchgear cabinet (20). Result: The engine-mounted fuel delivery pump draws fuel via bypass (2) directly from tank (24). Check suction pressure at the engine-mounted fuel delivery pump.
4.6 Starting the engine Preconditions ☑Engine is not connected to load. DANGER Rotating and moving engine parts. Risk of crushing, danger of parts of the body being caught or pulled in! • Before cranking the engine with starter system, make sure that there are no persons in the en- gine's danger zone.
4.7 Fuel treatment system – Switching on Preconditions ☑The on-board power supply is switched on. NOTICE Risk of damage to engine/system. Risk of severe damage to property! • Before switching on, ensure that the engine/system is ready for operation. • Before switching on, ensure that all housings are closed. •...
4.8 Operational checks DANGER Rotating and moving engine parts. Risk of crushing, danger of parts of the body being caught or pulled in! • Only run the engine at low power. Keep away from the engine's danger zone. WARNING High level of engine noise when the engine is running. Risk of damage to hearing! •...
4.9 Stopping the engine Preconditions ☑Engine is not connected to load. NOTICE Stopping the engine when it is running at full load subjects it to extreme thermal and mechanical stresses. Overheating of and, therefore, damage to components is possible! • Before shutting down the engine, allow it to idle until the engine temperatures decrease and constant levels are indicated.
4.10 Emergency stop NOTICE An emergency stop causes extreme stress to the engine plant. Risk of overheating, damage to components! • Initiate emergency stop only in emergency situations. Emergency stop Item Action Emergency stop pushbutton Press EMERGENCY STOP pushbutton. • Engine is stopped by disconnecting the power supply to the ECU; •...
4.11 After stopping the engine Preconditions ☑MTU preservation and corrosion protection instructions (A001070/..) are available. NOTICE Coolant sensors may freeze if there is a risk of frost. Risk of sensor damage! • Protect sensors from frost. After stopping the engine...
4.12 Fuel treatment system – Shutdown Shutting down fuel treatment system Press the illuminated pushbutton "Water drain" on the switch cabinet until water discharge from the outlet stops. Switch off fuel treatment system. Close ball valve at the inlet to the fuel treatment system. Close ball valve at the outlet of the fuel treatment system.
4.13 Plant – Cleaning Preconditions ☑Engine is stopped and starting disabled. ☑Operating voltage is not applied. Special tools, Material, Spare parts Designation / Use Part No. Qty. Steam jet cleaner Cleaner (Hakupur 312) 30390 WARNING Compressed air gun ejects a jet of pressurized air. Risk of injury to eyes and damage to hearing, risk of rupturing internal organs! •...
5 Maintenance 5.1 Maintenance task reference table [QL1] The maintenance tasks and intervals for this product are defined in the Maintenance Schedule. The Maintenance Schedule is a stand-alone publication. The task numbers in this table provide reference to the maintenance tasks specified in the Maintenance Schedule.
6 Troubleshooting 6.1 Fuel treatment system – Troubleshooting Illuminated pushbutton 'water alarm' is lit. Cause Corrective action When the maximum water level 1. Press illuminated pushbutton 'Water alarm' for is reached, the water level acknowledgment. electrode opens the water drain 2.
6.2 Troubleshooting Engine does not turn when starter is actuated Component Probable Cause Action Battery Low or faulty Charge or replace (see manufacturer's documentation). Cable connections faulty Check if cable connections are properly secured (see manufacturer's documen- tation). Starter Engine cabling or starter faulty Check if cable connections are properly secured, contact Service.
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Contact Service. Charge air temperature too high Component Probable Cause Action Engine coolant Engine coolant treatment incorrect Check (MTU test kit). Intercooler Contaminated Contact Service. Engine room Air-intake temperature too high Check fans and intake/exhaust lines. Charge-air pressure too low...
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White exhaust gas Component Probable Cause Action Engine Not at operating temperature Run engine to reach operating tempera- ture. Fuel system Water in fuel Check fuel system at fuel prefilter Drain fuel prefilter (→ Page 62). Intercooler Leaking Contact Service. MS150111/01E 2014-05 | Troubleshooting | 41...
7 Task Description 7.1 Engine 7.1.1 Engine – Barring manually Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Engine barring gear F6783914 Ratchet F30006212 DANGER Rotating and moving engine parts. Risk of crushing, danger of parts of the body being caught or pulled in! •...
7.1.2 Engine – Barring with starting system Preconditions ☑External pushbutton “Bar engine without starting” is provided. DANGER Rotating and moving engine parts. Risk of crushing, danger of parts of the body being caught or pulled in! • Before cranking the engine with starter system, make sure that there are no persons in the en- gine's danger zone.
7.2 Crankcase Breather 7.2.1 Crankcase breather – Oil mist fine separator replacement Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Engine oil Oil mist fine separator (→ Spare Parts Catalog) O-ring (→...
7.3 Valve Drive 7.3.1 Valve clearance – Check and adjustment Preconditions ☑Engine is stopped and starting disabled. ☑Engine coolant temperature is max. 40 °C. ☑Valves are closed. Special tools, Material, Spare parts Designation / Use Part No. Qty. Feeler gauge Y4345893 Barring device for engine F6783914...
Checking valve clearance at two crankshaft positions Check TDC position of piston in cylinder A1: • If the rocker arms are unloaded on cylinder A1, the piston is in firing TDC. • If the rocker arms are loaded on cylinder A1, the piston is in overlap TDC. Check valve clearance with cold engine: •...
7.3.2 Cylinder head cover – Removal and installation Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Torque wrench, 8-40 Nm F30043446 Ratchet F30027340 Gasket (→ Spare Parts Catalog) Preparatory steps On cylinder head covers with crankcase breather: Loosen clamps.
7.4.2 Injector – Removal and installation Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Installation device F6790085 Puller F6790636 Fuel suction device F30378207 Torque wrench, 20-100 Nm F30026582 Torque wrench, 0.5-5 Nm 0015384230 Ratchet F30027340...
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Removing injector Remove HP fuel line (1). Unscrew union nut (2). Pull off pressure pipe neck (3). Extract fuel from the exposed bores using the suction device. Disconnect terminals (arrow) on injector and pull out cable lugs. Remove gasket. Remove screw (3). Note: Screw (3) may be installed only once.
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Installing injector Remove all covers before installation. Clean sealing surface on cylinder head and protective sleeve. Coat sealing ring on injector (1) with as- sembly compound. Note: Use either the installation tool or the hold- down clamp (2) to press injector (1) into the cylinder head.
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Use torque wrench to tighten screw (3) for hold-down clamp (2) to the specified tightening torque. Name Size Type Lubricant Value/Standard Screw Tightening torque (Engine oil) (Engine 40 Nm +4 Nm oil) Tighten union nut (2) on pressure pipe neck (3) with torque wrench to the specified tightening torque. Name Size Type...
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Tighten union nut of HP fuel line (1) on rail to specified tightening torque using a torque wrench. Name Size Type Lubricant Value/Standard Union nut Tightening torque (Engine oil) 50 Nm +5 Nm Tighten union nut of HP fuel line (1) on pressure pipe neck (3) to the specified tightening torque using a torque wrench.
7.4.3 Injector functions Preconditions ☑Engine is stopped and starting disabled. Note: Failure to reset drift compensation parameters (CDC) will void the emissions certification for the en- gine. Resetting drift correction parameters (CDC) with DiaSys® (→ Dialog system DiaSys® E531920/..). If no DiaSys® is available, contact Service. Entering injector coding (IIG) (→...
7.5 Fuel System 7.5.1 HP fuel line and pressure pipe neck ‒ Replacement Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Torque wrench, 20-100 Nm F30026582 Ratchet F30027340 Plug-in open-end wrench, 19 mm F30025897 Crowfoot wrench, 19 mm F30027424...
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HP fuel line and pressure pipe neck ‒ Replacement Remove union nuts (1, 3) on HP fuel line (2). Remove HP fuel line (2). Remove nozzle union nut (4). Pull out pressure pipe neck (5). Coat sealing ring of new pressure pipe neck (5) with assembly compound.
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Final steps Clean mating faces on cylinder head and charge-air manifold. Check gaskets for damage and replace them, if required. Coat gaskets with assembly compound and place onto cylinder head. Install leak-off-fuel lines. Install charge-air pipes. Install engine governor (→ Page 107). Open fuel supply line.
7.5.2 Fuel system – Venting Preconditions ☑Engine is shut down. WARNING Fuels are combustible. Risk of fire and explosion! • Avoid open flames, electrical sparks and ignition sources. • Do not smoke. Venting fuel system Open threaded vent plug (2) at filter head. Actuate hand pump (1) until bubble-free fuel emerges at the threaded vent plug.
7.5.3 Fuel – Draining Preconditions ☑Engine is stopped and starting disabled. WARNING Fuels are combustible. Risk of fire and explosion! • Avoid open flames, electrical sparks and ignition sources. • Do not smoke. Fuel – Draining Provide a suitable container in which to collect the fuel. Remove fuel filter (→...
7.6 Fuel Filter 7.6.1 Fuel filter – Replacement Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Filter wrench F30379104 Diesel fuel Easy-change filter (→ Spare Parts Catalog) WARNING Fuels are combustible. Risk of fire and explosion! •...
7.6.2 Fuel prefilter – Differential pressure gage check and adjustment of gage DANGER Rotating and moving engine parts. Risk of crushing, danger of parts of the body being caught or pulled in! • Only run the engine at low power. Keep away from the engine's danger zone. WARNING High level of engine noise when the engine is running.
7.6.3 Fuel prefilter – Draining Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Diesel fuel Sealing (→ Spare Parts Catalog) WARNING Fuels are combustible. Risk of fire and explosion! • Avoid open flames, electrical sparks and ignition sources. •...
7.6.4 Fuel prefilter – Flushing Special tools, Material, Spare parts Designation / Use Part No. Qty. Fuel Seal (→ Spare Parts Catalog) DANGER Rotating and moving engine parts. Risk of crushing, danger of parts of the body being caught or pulled in! •...
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Open threaded vent plug (5) of the filter to be flushed. Unlock drain cock (6) by pressing toggle, open it and drain fuel. Result: Fuel flows from filtered side back to the un- filtered side, flushing the filter deposits downwards out of the filter. Close threaded vent plug (5) and drain cock (6).
7.6.5 Fuel prefilter – Filter element replacement Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Diesel fuel Filter element (→ Spare Parts Catalog) Gasket (→ Spare Parts Catalog) WARNING Fuels are combustible. Risk of fire and explosion! •...
7.7 Air Filter 7.7.1 Air filter – Replacement Special tools, Material, Spare parts Designation / Use Part No. Qty. Air filter (→ Spare Parts Catalog) Filter insert (→ Spare Parts Catalog) Filter element (→ Spare Parts Catalog) Air filter – Replacement Remove air filter(s) and install new one(s) (→...
7.7.2 Air filter – Removal and installation Preconditions ☑Engine is stopped and starting disabled. Variant A Loosen clamp (2). Remove air filter (1) and clamp (2) from connecting flange of intake housing (3). Verify that there are no objects in the flange of the intake housing (3) and clean Fit air filter (1) and clamp (2) on connecting flange of intake housing (3).
7.8 Air Intake 7.8.1 Service indicator – Signal ring position check (optional) Preconditions ☑Engine is stopped and starting disabled. Checking signal ring position If the signal ring is completely visible in the control window (2), replace air filter (→ Page 66). After installation of new filter, press reset button (1).
7.9.2 Exhaust gas circulation ‒ Checking flap operation Preconditions ☑Engine is stopped and starting disabled. WARNING Component is hot. Risk of burning! • Wear protective gloves. Checking exhaust flap operation For installation position of exhaust flaps, refer to overview (→ Page 69). Check operability and ease of movement of exhaust flaps and control linkage by mov- ing the assembly at the points (arrowed)
7.10 Lube Oil System, Lube Oil Circuit 7.10.1 Engine oil – Level check Preconditions ☑Engine is stopped and starting disabled. Oil level check prior to engine start Withdraw oil dipstick from guide tube and wipe it. Insert oil dipstick into guide tube up to the stop, withdraw after approx.
7.10.2 Engine oil – Change Preconditions ☑Engine is stopped and starting disabled. ☑Engine is at operating temperature. ☑MTU Fluids and Lubricants Specifications (A001061/..) are available. Special tools, Material, Spare parts Designation / Use Part No. Qty. Engine oil Sealing ring (→...
7.11.2 Centrifugal oil filter – Cleaning and filter-sleeve replacement Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Torque wrench, 4-20 Nm F30044239 Torque wrench, 10-60 Nm F30452769 Cold cleaner (Hakutex 60) X00056750 Filter sleeve (→...
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Centrifugal oil filter – Cleaning and filter-sleeve replacement Remove clamp (14). Release Tommy nut (2) and take off cov- er (1). Carefully lift rotor (11), allow oil to drain and remove from housing. Holding the rotor (11) firmly, release rotor cover nut (3).
7.12 Coolant Circuit, General, High-Temperature Circuit 7.12.1 Drain and vent points Plan view 1 Coolant venting, HT and LT circuit 76 | Task Description | MS150111/01E 2014-05...
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Left side 1 Coolant drain plug, crank- 2 Coolant drain plug, crank- 3 Oil drain plug, oil pan case free end case driving end MS150111/01E 2014-05 | Task Description | 77...
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Right side 1 Coolant drain plug, crank- 3 Coolant drain plug, coolant case driving end line 2 Coolant drain plug, crank- 4 Oil drain plug, oil pan case free end 78 | Task Description | MS150111/01E 2014-05...
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Driving end (KS) 1 Oil drain plug, oil pan MS150111/01E 2014-05 | Task Description | 79...
7.12.2 Engine coolant – Level check Preconditions ☑Engine is stopped and starting disabled. ☑MTU Fluids and Lubricants Specifications (A001061/..) are available. WARNING Coolant is hot and under pressure. Risk of injury and scalding! • Let the engine cool down. • Wear protective clothing, gloves, and goggles / safety mask.
7.12.4 Engine coolant ‒ Draining Preconditions ☑Engine is stopped and starting disabled. WARNING Coolant is hot and under pressure. Risk of injury and scalding! • Let the engine cool down. • Wear protective clothing, gloves, and goggles / safety mask. Preparatory steps Provide a suitable receptacle to catch the coolant.
7.12.5 Engine coolant – Filling Preconditions ☑Engine is stopped and starting disabled. ☑MTU Fluids and Lubricants Specifications (A001061/..) are available. Special tools, Material, Spare parts Designation / Use Part No. Qty. Coolant WARNING Coolant is hot and under pressure. Risk of injury and scalding! •...
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Final steps Start the engine and operate it at idle speed for some minutes. Check coolant level (→ Page 81), top up with coolant if required. MS150111/01E 2014-05 | Task Description | 85...
7.12.6 Engine coolant pump – Relief bore check DANGER Rotating and moving engine parts. Risk of crushing, danger of parts of the body being caught or pulled in! • Only run the engine at low power. Keep away from the engine's danger zone. WARNING High level of engine noise when the engine is running.
Draw off precipitated corrosion inhibitor oil from expansion tank and dispose of oil. Draw off approx. 1 liter coolant and drain into a clean container. Using the equipment and chemicals from the MTU test kit, examine coolant for: • antifreeze concentration;...
7.13.2 Charge-air coolant – Level check Preconditions ☑Engine is stopped and starting disabled. ☑MTU Fluids and Lubricants Specifications (A001061/..) are available. WARNING Coolant is hot and under pressure. Risk of injury and scalding! • Let the engine cool down. • Wear protective clothing, gloves, and goggles / safety mask.
7.13.4 Charge-air coolant – Filling Preconditions ☑Engine is stopped and starting disabled. ☑MTU Fluids and Lubricants Specifications (A001061/..) are available. Special tools, Material, Spare parts Designation / Use Part No. Qty. Coolant Sealing ring (→ Spare Parts Catalog) WARNING Coolant is hot and under pressure.
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Final steps Start the engine and operate it at idle speed for some minutes. Check coolant level (→ Page 89). 92 | Task Description | MS150111/01E 2014-05...
7.13.5 Charge-air coolant ‒ Draining Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Sealing ring (→ Spare Parts Catalog) Sealing ring (→ Spare Parts Catalog) WARNING Coolant is hot and under pressure. Risk of injury and scalding! •...
7.13.6 Charge-air coolant pump – Relief bore check DANGER Rotating and moving engine parts. Risk of crushing, danger of parts of the body being caught or pulled in! • Only run the engine at low power. Keep away from the engine's danger zone. WARNING High level of engine noise when the engine is running.
7.14 Belt Drive 7.14.1 Drive belt – Condition check Preconditions ☑Engine is stopped and starting disabled. ☑Guard is removed. Drive belt – Condition check Item Findings Action Drive belt A Singular cracks None Drive belt B Cracks on entire circumference Replace (→...
7.14.2 Drive belt – Tension check Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Tester Y4345711 Belt tension tester, 150-600 N Y20097429 Fan drive – Checking belt ten- sion Remove protective cover. Set belt tension tester onto the drive belt in the middle between the belt pulleys (ar- rowed).
7.14.4 Drive belt – Replacement Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Drive belt (→ Spare Parts Catalog) Fan drive – Drive belt replace- ment Remove protective cover from radiator. Remove fan.
7.16 Fuel Supply System 7.16.1 Water drain valve – Check Water drain valve – Check Open water drain valve. Check water outlet for obstructions. Close water drain valve. 100 | Task Description | MS150111/01E 2014-05...
7.16.2 Differential pressure gauge – Check WARNING Fuels are combustible. Risk of fire and explosion! • Avoid open flames, electrical sparks and ignition sources. • Do not smoke. Differential pressure gauge – Check Switch on fuel treatment system (→ Page 25). Set the alarm points at the differential pressure gauge to zero.
7.16.3 Water level probe (3-in-1 rod electrode) – Check Preconditions ☑System is put out of service and emptied. WARNING Fuels are combustible. Risk of fire and explosion! • Avoid open flames, electrical sparks and ignition sources. • Do not smoke. Water level probe (3-in-1 rod electrode) –...
7.16.4 Pump capacity – Check WARNING Fuels are combustible. Risk of fire and explosion! • Avoid open flames, electrical sparks and ignition sources. • Do not smoke. Pump capacity – Check Install suitable pressure gauge in the intake connection of the pump. Check pump pressure.
7.16.5 Coalescer filter element – Replacement Preconditions ☑System is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Torque wrench, 6-50 Nm F30027336 Ratchet F30027339 Diesel fuel Engine oil Coalescer filter element (→ Spare Parts Catalog) Gasket (→...
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Tighten nut (3) to specified tightening torque using a torque wrench. Name Size Type Lubricant Value/Standard Tightening torque (Engine oil) 30 Nm +3 Nm Fit gasket (10). Install cover. Install screws (1), washers (2) and nuts (9). Tighten nuts (9). Open ball valve at the inlet and outlet of the fuel treatment system.
7.17.2 Engine governor – Removal and installation Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Engine governor Resilient mount (→ Spare Parts Catalog) NOTICE Wrong engine governor installed. Engine damage! •...
7.17.3 Engine governor plug connections – Check Preconditions ☑Engine stopped and starting disabled. NOTICE Insertion of unsuitable test probe, e.g. test prod. The contacts in the plug connection can be bent! • Carry out check of plug connection only with test connectors. Checking plug connections at engine governor Check all plug connections for secure seating.
7.18 Wiring (General) for Engine/Gearbox/Unit 7.18.1 Engine wiring – Check Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Isopropyl alcohol X00058037 Engine wiring – Check Check securing screws of cable clamps on engine and tighten loose threaded connections. Ensure that cables are fixed in their clamps and cannot swing freely.
7.18.3 Lambda sensor – Replacement Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Torque wrench, 10-60 Nm F30510423 Ratchet F30027340 Assembly compound (Molykote P 37) 50564 Lambda sensor (→ Spare Parts Catalog) WARNING Component is hot.
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Installing Lambda sensor Note: When the sensor was subjected to shock or impact load, it is deemed to be defective and may not be used. Remove protective cap on thread only just before installation. Note: Do not wipe off the thread lubricant applied by the manufacturer.
7.18.4 NOx sensor – Replacement Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Torque wrench, 10-60 Nm F30510423 Ratchet F30027340 Assembly compound (Molykote P 37) 50564 NOx sensor (→ Spare Parts Catalog) WARNING Component is hot.
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Note: Always replace NOx sensor together with control unit. Installing NOx sensor Note: Install control unit. Note: When the sensor was subjected to shock or impact load, it is deemed to be defective and may not be used. Remove protective cap on thread only just before installation.
7.19 Accessories for (Electronic) Engine Governor / Control System 7.19.1 Engine governor and connectors – Cleaning Preconditions ☑Engine is stopped and starting disabled. Special tools, Material, Spare parts Designation / Use Part No. Qty. Isopropyl alcohol X00058037 Note: Always use test connectors to enter the connectors. Never use test leads for this purpose. Otherwise the contacts could be bent.
7.19.2 Engine governor plug connections – Check Preconditions ☑Engine stopped and starting disabled. NOTICE Insertion of unsuitable test probe, e.g. test prod. The contacts in the plug connection can be bent! • Carry out check of plug connection only with test connectors. Checking plug connections at engine governor Check all plug connections for secure seating.
Abgasturbolader Exhaust turbocharger (ETC) Backup Data Module Baureihe Series Betriebsstoffvorschrift Fluids and Lubricants Specifications, MTU Publication No. A01061/.. Controller Area Network Data bus system, bus standard Controllable Pitch Propeller Deutsches Institut für Normung e. V. At the same time identifier of German standards (DIN = “Deutsche Industrie-Norm”)
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Abbrevia- Meaning Explanation tion Monitoring and Control System Message Microprocessor Unit, Microprocessing Unit Oberer Totpunkt Top dead center (TDC) Panel Control panel PCU/PMU Propeller Control Unit Propeller controller Peripheral Interface Module Priming Pump Control Remote Control System Redundancy Lost Alarm: Redundant CAN bus failure Sea Acceptance Test Sensor Defect Alarm: Sensor failure...
Local support Experienced and qualified specialists place their knowledge and expertise at your disposal. For locally available support, go to the MTU Internet site: http://www.mtu-online.com 24h hotline With our 24h hotline and the outstanding flexibility of our service staff, we are always ready to assist you –...
9 Appendix B 9.1 Special Tools Angular screw driver Part No.: F30002816 Qty.: Used in: 7.3.1 Valve clearance – Check and adjustment (→ Page 45) Barring device for engine Part No.: F6783914 Qty.: Used in: 7.3.1 Valve clearance – Check and adjustment (→...
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Crowfoot wrench, 19 mm Part No.: F30027424 Qty.: Used in: 7.4.2 Injector – Removal and installation (→ Page 49) Qty.: Used in: 7.5.1 HP fuel line and pressure pipe neck ‒ Replace- ment (→ Page 55) Double box wrench Part No.: F30002800 Qty.: Used in:...
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Feeler gauge Part No.: Y4345893 Qty.: Used in: 7.3.1 Valve clearance – Check and adjustment (→ Page 45) Filter wrench Part No.: F30379104 Qty.: Used in: 7.6.1 Fuel filter – Replacement (→ Page 60) Qty.: Used in: 7.11.1 Engine oil filter – Replacement (→ Page 73) Fuel suction device Part No.: F30378207...
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Measuring instrument Part No.: Y4345888 Qty.: Used in: 7.3.1 Valve clearance – Check and adjustment (→ Page 45) MTU test kit Part No.: 5605892099/00 Qty.: Used in: 7.12.7 Engine coolant – Sample extraction and analysis (→ Page 87) Open-end socket wrench, 19 mm Part No.:...
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Open-end socket wrench, 24 mm Part No.: F30453238 Qty.: Used in: 7.4.2 Injector – Removal and installation (→ Page 49) Plug-in open-end wrench, 19 mm Part No.: F30025897 Qty.: Used in: 7.5.1 HP fuel line and pressure pipe neck ‒ Replace- ment (→...
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Ratchet Part No.: F30027340 Qty.: Used in: 7.3.2 Cylinder head cover – Removal and installation (→ Page 47) Qty.: Used in: 7.4.2 Injector – Removal and installation (→ Page 49) Qty.: Used in: 7.5.1 HP fuel line and pressure pipe neck ‒ Replace- ment (→...
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Ring socket, 24 mm Part No.: F30501562 Qty.: Used in: 7.5.1 HP fuel line and pressure pipe neck ‒ Replace- ment (→ Page 55) Socket wrench Part No.: F30030450 Qty.: Used in: 7.3.1 Valve clearance – Check and adjustment (→ Page 45) Steam jet cleaner Part No.: Qty.:...
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Torque wrench, 10-60 Nm Part No.: F30510423 Qty.: Used in: 7.3.1 Valve clearance – Check and adjustment (→ Page 45) Qty.: Used in: 7.18.3 Lambda sensor – Replacement (→ Page 111) Qty.: Used in: 7.18.4 NOx sensor – Replacement (→ Page 113) Qty.: Used in: 7.18.5 Humidity sensor –...
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Torque wrench, 40-200 Nm Part No.: F30027337 Qty.: Used in: 7.14.3 Drive belt – Tension adjustment (→ Page 97) Torque wrench, 6-50 Nm Part No.: F30027336 Qty.: Used in: 7.16.5 Coalescer filter element – Replacement (→ Page 104) Torque wrench, 8-40 Nm Part No.: F30043446 Qty.:...
9.2 Index After stopping the engine 33 Data Air filter – Engine 16 – Removal and installation 67 Differential pressure – Replacement 66 – Pressure gauge – Check 101 Differential pressure gage Battery-charging generator drive – Adjustment – Drive belt –...
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– Engine 20 Firing order 19 Maintenance schedule Flaps – Maintenance task reference table [QL1] 36 – Exhaust gas circulation MTU contact persons 121 – Function check 70 – Exhaust gas recirculation – Overview 69 NOx sensor Fuel – Replacement 113...
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Putting the engine into operation after extended out-of- service periods (>3 months) 21 Putting the engine into operation after scheduled out-of- service-period 22 Safety notices, standards 13 Safety regulations – Auxiliary materials 11 – Environmental protection 11 – Fire prevention 11 – Fluids and lubricants 11 –...
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