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Fuel system

Diagram of the fuel system

Fuel system on engine

with hose connections for:

Fuel return

Fuel supply

Fuel system on ship

with:

Fuel supply from fuel tank to engine

Fuel prefilter with water separator
(MAN scope of delivery)

Fuel tank

Fuel return from engine to fuel tank

The fuel flows from the tank through the fuel prefilter with water separator

to the fuel system on the

engine

. Surplus fuel is returned back to the tank.

The following are important for proper engine operation: the installation of a fuel prefilter with water
separator

, see page 51, and the dimensions and spatial arrangement of the fuel system lines on the ship

side, see page 53.

Содержание V12-1800

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Страница 3: ...fety and safety at work regulations must also be observed Caution MAN is only liable for material defects when these installation instructions have been observed On request and against payment MAN wil...

Страница 4: ...of power by propshafts 32 Combustion air system and charging 38 Exhaust system 40 Cooling system 45 Fuel system 50 Propeller system 54 Auxiliary power take off 58 Electrical system 59 Electrical preh...

Страница 5: ...e read the operating instructions carefully and familiarize yourself with the critical points If you are unsure ask your MAN representative D For reasons of safety we recommend you attach a notice to...

Страница 6: ...work when the engine is switched off If the engine has to be maintained while it is running e g changing the elements of change over filters remember that there is a risk of scalding Do not get too cl...

Страница 7: ...sed to extreme stresses The high precision technology requires the utmost cleanliness during all work on the fuel system Even a particle of dirt over 0 2 mm can lead to the failure of components D Do...

Страница 8: ...asic rules of hygiene and health and safety at work are observed health risks are not to the expected as a result of handling used engine oil Health precautions D Avoid prolonged or repeated skin cont...

Страница 9: ...rail on the rail and on the cylinder head to the injector Keep away from the engine when it is running D Risk of injury When the engine is running the lines are constantly under a fuel pressure of up...

Страница 10: ...eakage or damage to the fuel system D Do not spray the high pressure cleaner direct onto the electric components or alternatively keep them covered D Do not carry out any welding or sanding work in th...

Страница 11: ...es off when connections are loosened from possible over coating these chippings must be carefully removed before finally loosening the screw connection D The connection openings of all parts removed f...

Страница 12: ...Planning of engine installation 10 V12 1800 1 2 3 4 5 V8 1200 6 7 8 9 4 10 11...

Страница 13: ...ndividual components to be observed when installing engines Each of these components has a connection to a ship side component Their correct installation contributes to the trouble free operation of t...

Страница 14: ...e hardness of the resilient mounts depends on the setup of the drive line free standing or flange mounted gearbox Wiring diagrams Wiring diagrams are available specially adapted for the needs of the s...

Страница 15: ...decking or hatch to facilitate the lifting out of the engines in the event of repair It must be possible to carry out the following tasks in the engine room on the engine and gearbox without restricti...

Страница 16: ...tions An oil drain for the engine and gearbox can be supplied optionally fitted left and right An electrical oil suction removal and filling pump can be connected via quick release couplings D Filling...

Страница 17: ...ternator 13 And coolant pump D Visual inspection and retightening of bolts and hose connections Distance to bulkhead D 350 mm Removing the cylinder head cover 14 to D Adjustment of valve clearance 16...

Страница 18: ...ough seas must be safely absorbed D Hull torsion caused by motion of the sea and load must not be transmitted to the engine The contact area between the engine foundation and the hull should be as lar...

Страница 19: ...113 litres 120 kg Maximum permitted angle of inclination for engine If the engine is to be installed at an inclination on its longitudinal axis the maximum permitted angle of inclination must not be e...

Страница 20: ...gine foundation for engines with flange mounted gearboxes Easy height adjustment of the mounts Due to these various requirements the resilient mounts must be carefully adapted For this reason MAN has...

Страница 21: ...stallation drawing Engine with free standing gearbox The figure shows a V12 1800 example with a free standing gearbox The engine brackets are installed The corresponding resilient engine mounts are de...

Страница 22: ...free standing gearbox 51 96210 7050 70 The installation drawings have information on the dimensions of the mounts and the drilling pattern for the foundation Installation of the mounts D Place drive...

Страница 23: ...sions of the mounts and the drilling pattern for the foundation Installation of the mounts D Place engine with mounts onto foundation D Align the drive train after allowing the mounts to settle for 48...

Страница 24: ...and high power outputs the temperature of critical components charge air pipes compressor housing exhaust manifold is at its highest and thus the heat output is at a maximum However this effect is com...

Страница 25: ...engine room has a thorough circulation of fresh air The following criteria will help you in selecting effective fans 1 Fans with a 24V constant voltage power supply 160 mm to 300 mm 2 Fans with an al...

Страница 26: ...tilising the air stream produced from forward motion Caution Water spray and splash water must not be allowed to reach the engines Water ingress would lead to the total loss of the engine A Free cross...

Страница 27: ...able lifting equipment that is not strong enough for the load may result in serious accidents injury Make sure ropes and chains do not pull crookedly on the crane hooks There are 4 crane hook lugs on...

Страница 28: ...engine mount see page 20 Torsional vibration analysis The forces of gas and inertia from the engine can cause vibration of the entire drive line In order to determine the resonance in terms of positio...

Страница 29: ...silient coupling is to be provided between the engine and the gearbox This has the function of decoupling vibrations between the engine and the drive train gearbox propeller shaft and propeller In thi...

Страница 30: ...ial play before and after the installation of components using a magnetic mounting fixture with dial indicator If both measurements do not match or if the crankshaft bounces back after being pressed c...

Страница 31: ...the correct height for the gearbox output flange This ensures that the propeller shaft can be correctly centred Note A resilient propeller shaft coupling between gearbox output flange and propeller sh...

Страница 32: ...her gearbox output flange and propeller shaft flange are flush in relation to each other Check for parallelism of flanges D Join propeller shaft flange and gearbox output flange together D Slide feele...

Страница 33: ...re than 2 x 0 5 mm 1 mm Angle offset means that the centre lines of 2 associated flanges are not parallel Flange e g gearbox output Flange e g propeller shaft Angle offset Angle offset max 0 1 mm with...

Страница 34: ...by propshafts 32 Drive line consisting of engine highly resilient coupling propeller shaft and gearbox 1 2 3 4 5 Drive line consisting of engine resilient coupling with flange bearing propeller shaft...

Страница 35: ...ilient coupling figure at top left The highly resilient coupling connected to the engine s flywheel allows working angles of max 3 Engine Resilient engine mounts Highly resilient coupling see page 34...

Страница 36: ...s installed at the engine s flywheel The coupling can only be installed if the engine is equipped with the corresponding flywheel for propeller shaft couplings It allows permissible propeller shaft wo...

Страница 37: ...he complete compensation of the irregular motions the following requirements must be met D Identical running angles at both joints 1 2 D Both inner joint forks must lie in a plane D Input and output s...

Страница 38: ...arbox longitudinal axis in the plan view 1 mm Auxiliary equipment consisting of two alignment rods can be used to obtain the same working angle for a V configuration Such auxiliary equipment is illust...

Страница 39: ...oints and splined sections may be damaged The propeller shafts are to be arranged so that the splined section is protected from dirt and moisture Usually what this mean is that they are to be installe...

Страница 40: ...turbocharger After passing through the air filter the combustion air is pre compressed by the low compression stage turbocharger and cooled by the intercoolers The high compression stage turbocharger...

Страница 41: ...ilters Caution If any dust producing work is to be performed on the ship after the engine has been installed please take measures to protect the air filters from this dust Vacuum downstream of air fil...

Страница 42: ...write off that is not covered by the MAN warranty It is not permissible to provide a single common exhaust system for several engines In the case if multi engine layouts a separate exhaust system for...

Страница 43: ...rom the resilient engine mounting and isolate the engine vibrationally from the exhaust system Either heat resistant hoses corrugated hoses made of silicone or bellow expansion joints can be used for...

Страница 44: ...ea water is injected into the exhaust pipe and mixed with the exhaust gas Schematic drawing of sea water injection example Sea water Exhaust gas Baffles with obtuse angle of incidence for water flow B...

Страница 45: ...is omitted there can be a build up of pressure in the exhaust system when the ship is stationary or moving at low speed until this pressure exceeds the water pressure below the ship and then escapes a...

Страница 46: ...D High engine room temperatures Hot non insulated exhaust pipes heat up the engine room considerably The quantity of heat emitted increases by the surface temperature raised to the power of 4 e g sur...

Страница 47: ...er The cooling system on all MAN engines is designed for seawater temperatures of up to 32 C 305 K 1 2 3 4 4 5 6 7 Expansion reservoir Charge air cooler high compression stage Seawater outlet Intercoo...

Страница 48: ...tured as a single casting The sea water enters through a grille with large openings between the bars In order to assist the inflow into the sea water inlet pipe to the engine the back of the scoop mus...

Страница 49: ...lowing approximate values apply to the filter basket Mesh size max 3 mm Surface approx 10 times as large as the inlet cross section Positioning of sea water filter If possible directly above the sea v...

Страница 50: ...42 A hose with a 4 inch diameter is used to connect to the ship side piping Measuring points for commissioning For the commissioning process there are measuring points installed at the inlet and outle...

Страница 51: ...als according to their electric potential starting with the most noble platinum down to the most non noble magnesium The further two metals are apart in this list the greater the problems to be expect...

Страница 52: ...of delivery Fuel tank Fuel return from engine to fuel tank The fuel flows from the tank through the fuel prefilter with water separator to the fuel system on the engine Surplus fuel is returned back...

Страница 53: ...rain plug with left hand thread Filter bowl Filter cartridge Note Note the lever position of the 3 way valve Handle in position A continuous operation both filter halves switched on B left side switch...

Страница 54: ...contaminated When installing the fuel pre filter in the engine room care should be taken that there is adequate space to trap the separated out water and to change the filter cartridge Mounting bolts...

Страница 55: ...nnection Threaded connector M22x1 5 The fuel return in the tank must always be under the fuel level Caution The fuel pressure is constantly monitored at measuring point If the max permissible suction...

Страница 56: ...reached Operating point The ship must thereby be loaded as follows Equipment on board Fuel tanks filled Water tanks filled Engine power curve Propulsion resistance curve Speed power reduction curve Op...

Страница 57: ...eller that is too big Power consumption of propeller too small The propeller cannot absorb and transmit the power available from the engine The engine speed is significantly higher than the rated spee...

Страница 58: ...possible torque full load currently requested which can be delivered by the engine at a certain rpm The engine always delivers as much torque as the propeller can take at that moment Note This is calc...

Страница 59: ...0 rpm the engine cannot output more power A reserve of power of 63 remains available e g for acceleration Example 2 The load indicator shows 80 at a rated speed of 2300 rpm This means Because the prop...

Страница 60: ...en the auxiliary power take off is closed off with a blind flange Data on power take off Direction of rotation viewed towards flywheel Counterclockwise Speed 1 3 x Engine speed Max transmittable torqu...

Страница 61: ...round cable Batteries Each engine has a separate battery for the starter 24V DC consumers are to be supplied by their own batteries Starters All MAN ship engines have starters with 2 poles For this re...

Страница 62: ...5 4 min 1 2 max 5 7 min 1 5 max 6 0 Starter short circuit current at 20 C A 2370 1620 2370 1620 2370 1620 2370 1620 2370 1620 Minimum starter cable diameter mm2 79 0 54 0 79 0 54 0 79 0 54 0 79 0 54 0...

Страница 63: ...th 2 pole insulation To be able to produce an isolated wiring of the generators the generators are mounted entirely insulated from the engine For this reason the generator s housings are connected to...

Страница 64: ...l boxes are connected to the ship ground using ground cables Engine and gearbox mounts The engine and gearbox must be connected to the ship ground by a ground cable Remove paint from a small area to p...

Страница 65: ...rnal temperatures are low and to ensure the availability of the full power output immediately after a cold start warm up phase not required For this purpose the coolant is preheated with the engine at...

Страница 66: ...f the coolant is bypassed through a heat exchanger The heat generated there can be used to heat the cabins 6 5 1 2 3 4 Feed line of engine coolant to heat exchanger Return line from cabin heater Feed...

Страница 67: ...ne Ball valve Union nut for threaded connection M26x1 5 To connect the pipes for the heater to be done by the shipyard threaded connections are delivered with the equipment these can be combined depen...

Страница 68: ...aded as required However to ensure wire break monitoring a terminating resistor of 20 k must also be connected in parallel at the last emergency stop button 1 X4 Emergency stop 1 Emergency stop 2 2 6...

Страница 69: ...terminal box MPC BB S1 S2 X13 X15 X14 MAN terminal box MPC BB S1 S2 X13 X15 X14 S1 ON S2 ON MAN terminal box MPC stdb S1 S2 X13 X15 X14 S1 ON S2 ON MAN terminal box MPC stdb S1 S2 X13 X15 X14 MAN term...

Страница 70: ...levers 1 2 2 Caution To preclude confusing with other CAN bus cables please note the metal guide of the union nut and the green marking at the cable ends CAN bus connection lines and termination resi...

Страница 71: ...disturbances in data communication Terminator at start of bus in engine terminal box The controller in the engine room has an internal terminating resistor dip switch S1 on the mother board which doe...

Страница 72: ...stems Default setting for double engine systems S2 set to right position termination active On systems with more than two engines termination of the MPC controller in the middle must be deactivated i...

Страница 73: ...iode helps suppress the voltage peaks exceeding 33 V that arise when switching off the solenoid valve LED bi directional reverse polarity protected Activation of the solenoid valves is indicated by LE...

Страница 74: ...efore be marked after the engine has been installed Proceed as follows D Add the minimum amount of oil stipulated for the relevant oil pan see Operating Instructions Technical Data Then wait approx 1...

Страница 75: ...side The threaded vent plugs are positioned below the coolant level in the expansion tank 1 Unscrew the threaded vent plugs 2 Fill the coolant slowly through the filler neck of the expansion tank unti...

Страница 76: ...ion Overtightened caps can not be opened again 6 Switch the pump on again until coolant runs out at the threaded vent plugs without bubbles 7 Switch off the pump and tighten the threaded vent plugs 8...

Страница 77: ...ontinuing engine operation this may lead to the engine monitoring system MMDS triggering the Pressure in expansion tank alarm The consequence of this alarm is a reduction in engine power There must be...

Страница 78: ...Notes 76...

Страница 79: ...77 Appendix...

Страница 80: ......

Страница 81: ...0 M8 22 0 30 0 35 0 M8x1 23 0 35 0 40 0 M10 45 0 65 0 75 0 M10x1 25 45 0 65 0 75 0 M10x1 50 0 70 0 85 0 M12 75 0 105 0 125 0 M12x1 5 75 0 110 0 130 0 M12x1 25 80 0 115 0 135 0 M14 115 0 170 0 200 0 M1...

Страница 82: ...Engine lubrication Forced feed lubrication Oil quantity in oil pan min max 50 l 60 l Oil change quantity with filter 62 l Lube oil pressure Monitored by MAN Monitoring and Diagnosis System MMDS Oil fi...

Страница 83: ...300 rpm Effective mean pressure 28 5 bar Fuel consumption at full load and rated speed 225 g kWh Combustion air requirement 4100 m3 h Exhaust mass flow rate 4515 kg h Exhaust temperature at turbocharg...

Страница 84: ...Engine lubrication Forced feed lubrication Oil quantity in oil pan min max 70 l 90 l Oil change quantity with filter 92 l Lube oil pressure Monitored by MAN Monitoring and Diagnosis System MMDS Oil f...

Страница 85: ...300 rpm Effective mean pressure 28 5 bar Fuel consumption at full load and rated speed 215 g kWh Combustion air requirement 6300 m3 h Exhaust mass flow rate 7600 kg h Exhaust temperature at turbocharg...

Страница 86: ...449 0047 15m 51 25449 0048 20m 51 25449 0058 30m 12 X9 13 Cross communication MMDS X5 51 25449 6040 2 m 51 25449 6028 5 m 51 25449 6027 10 m 14 Cross communication MPC CAN bus X13 51 25449 0056 2 m 51...

Страница 87: ...MMDS CAN Bus V8 1200 V12 1800 85 1 2 3 4 5 6 10 21 23 26 7 8 1 25 22 25 9 9 9 20 19 17 16 18 15 12 13 14 11 X16 X9 X5 X15 X13 X14 X6 X8 X10 X7 X4 X1 24...

Страница 88: ...optional 1st Alternator Starter motor Batteries for additional onboard consumers Terminal box Engine and gearbox brackets Starter motor Batteries for starter motor Batteries for additional onboard con...

Страница 89: ...gine mounting 18 Phoenix 20 Phoenix cone 21 Engine mounts Height adjustment 29 Engine room Accessibility of the engine 13 Air ducting 24 Air requirement 23 Fans 23 Temperature 22 Ventilation 22 Engine...

Страница 90: ...ng environmental damage 6 Special instructions when working on the common rail system 7 Ship ground 59 Starter motor 59 T Technical data V12 1800 82 V8 1200 80 Terminal box 62 Throttle lever control C...

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