Man D 2876 LE 401 Operating Instructions Manual

Marine diesel engines

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D 2876 LE 401 / 402 / 404 / 405

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Page 1 D 2876 LE 401 / 402 / 404 / 405...
Page 3 Operating Instructions − MAN Marine Diesel Engines...
Page 5: Preface
You can find the approved products in the internet under: −http://www.man-mn.com/ " Products & Solutions " E-Business− It is imperative and in your own interest to entrust your MAN Local Service Centre with the removal of any disturbances and with the performance of checking, setting, and re- pair work.
Page 6: Instructions
Flat seals / gaskets can be fitted properly only if the following points are ob- served: D Use only genuine MAN seals / gaskets D The sealing faces must be undamaged and clean D Do not use any sealing agent or adhesive − as an aid to fitting the seals a little grease...
Page 7: Table Of Contents
..........Engine views D 2876 LE 401 .
Page 8: Declaration
In accordance with Article 4, paragraph 2, in conjunction with Appendix II, section B, of Directive 89/392/EEC, version 93/44/EEC MAN Nutzfahrzeuge Aktiengesellschaft, hereby declares that the engine described below is destined for installation in a machine as defined in the EC directive on machines.
Page 9 Declaration...
Page 10: Nameplates
(see illustration). Model ..............delivered on ..............installed on ..............Engine serial number ..............Order number ..............MAN Nutzfahrzeuge Aktiengesellschaft Motor-Nr. / Engine No. NI/II MAN Nutzfahrzeuge Aktiengesellsc MAN Nutzfahrzeuge Aktiengesellschaft Werk Nürnberg Germany Bauj. Year Model Motor−Nr. Serial No Werk−Nr.
Page 11: Safety Regulations
D Exhaust gases are toxic. Comply with the instructions for the installation of MAN Diesel engines which are to be operated in enclosed spaces. Ensure that there is adequate ventilation and air extraction.
Page 12 Do not demand more from the engine than it is able to supply in its intended application. Detailed information on this can be found in the sales literature. The injection pump must not be adjusted without prior written permission of MAN Nürnberg.
Page 13 If faults occur, find the cause immediately and have it eliminated in order to prevent more serious damage. Use only genuine MAN spare parts. MAN will accept no responsibility for damage result- ing from the installation of other parts which are supposedly “just as good”.
Page 14 Safety regulations D Take strict precautions to ensure that no oil or Diesel fuel gets into the drains or the ground. Caution: The drinking water supply could be contaminated. D Filter elements are classed as dangerous waste and must be treated as such. Coolant D Treat undiluted anti-corrosion agent and / or anti-freeze as dangerous waste.
Page 15 Notes ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Page 16: Commissioning And Operation
Commissioning and operation Engine views D 2876 LE 401...
Page 17 Commissioning and operation À Coolant surge tank Á Relief valve on coolant surge tank Â Coolant filler neck Ã Intercooler Ä Oil separator valve for crankcase breather Å Air cleaner Æ Fuel filter Ç Fuel strainer È Oil filler neck É...
Page 18: First Commissioning
When putting a new or overhauled engine into operation for the first time pay attention to the “Installation instructions for MAN marine diesel engines” without fail. It is recommended that new or overhauled engines should not be operated at a load higher than about 75% maximum load during the first few hours of operation.
Page 19 Commissioning and operation Sea water pump Do not let sea water pump run dry. Make sure that all valves / cocks in the sea water circuit are open. If there is a risk of frost, drain the sea water pump. Filling with engine oil Caution: Do not add so much engine oil...
Page 20: Commissioning
Commissioning and operation Commissioning Before daily starting the engine, check fuel level, coolant level and engine oil level and replenish, if necessary. Caution: Use only approved fuels, lubricants etc. (see brochure “Fuels, lubricants etc.”). Otherwise the manufacturer’s warranty will become null and void. Checking oil level Check engine oil level only approx.
Page 21: Starting
Commissioning and operation Starting Danger: Before starting make sure that no-one is in the engine’s danger area. Caution: When starting do not use any additional starting aids (e.g. injection with starting pilot). Ensure that the gearbox is in neutral. Insert starter key and turn it to position “I”. Readiness for operation is indicated by the lighting up of a check lamp which may have been installed by the shipyard.
Page 22: Operation Monitoring
Do not put this engine into operation again until the fault has been eliminated. The D 2876 LE 401/404 is equipped as series standard with a monitoring and diagnostic system MMDS. On the control console and alternatively on other control stands, the following display de-...
Page 23 Commissioning and operation Serially-controlled display devices: 1. Round instruments MAN can supply the following VDO round instruments for operation monitoring: Revolution counter with integrated digital hours of operation counter Oil pressure engine 0−6 bar Oil pressure gearbox 0−25 bar Oil temperature engine 50−150°C...
Page 24 Commissioning and operation The alarm “Sensor fault” means that the corresponding sensor is classified by the moni- toring system as defective, as it is returning an unrealistic value. The engine speed is not reduced. In the event of a fault in the electronic system, the warning lamp lights up continuously. There is then a defect in the electronic fuel injection (EDC).
Page 25 3. Display device MMDS-LC The device serves to visualise analog en- MAN MARINE DIESEL gine data, as well as visual and acoustic notification of engine alarms. All engine...
Page 26 Commissioning and operation Representation of monitor pages The analog engine data provided by the MMDS is distributed on 4 monitor pages. On each page, the current engine speed is displayed in the top line. The 1st page continues with the most important engine data such as oil pressure, coolant pressure, charge-air pressure and oil pressure in the gearbox.
Page 27 Commissioning and operation If an alarm is activated, the device switches automatically to the alarm screen. Each new entry is made in the top line. Any messages that might already be present shift one line downwards. In a column to the right of this, the code and current time are added. Al- though a warning (message without alarm) is entered in the alarm screen, there is no au- tomatic switch to that screen, e.g.
Page 28 Commissioning and operation When the acoustic acknowledgement (Horn Quit key) has been pressed, the integrated buzzer switches off. With the visual acknowledgement (Visual Quit key), the flashing text and the LED “Alarm” switches to continuous display. When the fault has been remedied, the alarm text disappears from the monitor.
Page 29 Commissioning and operation Visual Quit / Test: Standard function: visual acknowledgement, i.e. all flashing alarm texts in the currently visible alarm screen switch to constant represen- T E S T tation if the horn was acknowledged beforehand; the red alarm LED integrated in the front plate is also switched from flashing to continu- ous lighting.
Page 30 Commissioning and operation ALARMS: Standard function: Calling up the alarm screen; the five alarms or warnings last issued and still present are displayed. At the top left of ALARMS the monitor is the code A1. If there are more than 5 messages issued, the messages can be displayed in groups of five by pressing the key M en again.
Page 31 Commissioning and operation T E S T R E S ET The selection cursor can be moved using the Move function (+− keys The Enter function (PRG key ) is used to accept each marked language and high- P rg light it in black.
Page 32 Commissioning and operation The function is called up using the PRG key P rg A new page is opened and the current time (time / date) is displayed. The selection cursor jumps to “Hour”. set-time hour minute second time (H:M:S) >13<...
Page 33 In the event of an alarm, the corresponding measurement point text appears on the alarm page; the program switches automatically into the alarm menu. In the case of warnings, the program does not switch automatically into the alarm menu. 4. Engine room panel MMDS-EP MAN MARINE DIESEL Motordrehzahl 1835 upm Motoroeldruck 4.3 bar...
Page 34 Commissioning and operation CAN bus-controlled display devices: 5. CAN-Bus round instruments, rev counter with information display and buttons D Rev counter (0−3000 rpm) with integrated LCD display for the following parameters and buttons for paging: − Engine oil pressure − Gearbox oil pressure −...
Page 35 Commissioning and operation Main Functions The main functions of the VDO Ocean Link can be called by pressing the push-button key. Each time the key was pressed, the next measured value is displayed. − Engine oil pressure − Charge air temperature −...
Page 36 Commissioning and operation Basic Settings The basic settings necessary for perfect operation can be selected in the settings. These are obtained by pressing and holding the push-button key while switching on the power supply of the display. Display Units: Selection of display unit Screens on / off: Selection of display Simulator Mode:...
Page 37 Commissioning and operation Selection of the displays (screen on / off) Select here witch measured values are to be displayed in the normal operating mode. YES: Here all measured values, with their ISO symbol, are displayed. By selecting “NO” the measured value can be removed from the normal operating mode.
Page 38 Commissioning and operation 6. MMDS-CLC 6.3 display device (colour display) Introduction This document describes how the MMDS-CMS 6.3 colour display with MMDS-CLCB 6.3 remote control operates and is used in its application as an engine display allowing moni- toring of engine operation. Fitting, mounting and installation are explained in separate instructions for the device.
Page 39 Commissioning and operation Buttons Figure: Numbering of the operating buttons Operational functions and configuration The display is switched on and off using the Power button (bottom right). The system is operated and the display is configured using the buttons above this or the MMDS-CLCB 6.3 remote control.
Page 40 Commissioning and operation Default function: A reset signal is sent on the CAN bus to the engine monitoring and diagnostic system control unit (engine terminal box) or to a data station. As long as the appropriate criteria are fulfilled, the engine slow down or shut- down alarms arising are reset.
Page 41 Commissioning and operation Figure: Page with digital display elements The “Page Y” Á and “Page B” Â buttons can be used to toggle between the graphical pages. If the alarms table is currently active, the most recently displayed graphical page is called.
Page 42 CAN bus. Alarms table This table is automatically called when an alarm condition occurs, or can be called man- ually by pressing the “Alarms” button À. It shows all existing alarm messages, ie those that have not been acknowledged or reset. Each entry contains a measuring point text, the current measured value, the time when the alarm occurred, the unit of measurement and the type of alarm.
Page 43 Commissioning and operation Menu functions The device incorporates a clock that is set in the factory. The time can be reset. Pressing the “Men” button À for approximately 5 seconds brings up the clock setting function. The value in the field currently highlighted in red can be adjusted using the − Á and + Â buttons.
Page 44 (the engine must stop immediately when the button is pressed once). At the request of the shipyard or customer, it is possible to purchase from MAN an elec- tronic drive lever control system made by Bosch-Rexroth, type Mini Marex.
Page 45 Commissioning and operation “Gearbox forwards / reverse” (lock) position Á In this lever position, two different functions are possible. 1. Standard function: The gearbox clutch is engaged to “Forwards” or “Reverse”; the power unit is idling. 2. “Increase engine speed” function: The “Increase engine speed”...
Page 46 Commissioning and operation Additional function “Warming Up” The expression “Warming Up” means “engine running without shifting gear”, which en- ables, for example, warm-up of a cold power unit across the entire speed range. The gearbox clutch is not engaged in lever position Á. Starting the “Warming Up”...
Page 47 Commissioning and operation Additional function: switch error message to mute The acoustic signal transmitter, which is activated for some alarms, can be disabled at the relevant control stand by pressing the “Command takeover” key. . However, this does not delete the alarm! Display Alarm L7 and L8 This display element is present on the command master twice (once for the port system / once for the starboard system).
Page 48 Commissioning and operation Pressing the “Syn./Trol.” key (press once) enables the “Engine speed synchro- nisation” function. Pressing the key again (press once) disables the function once again. SYN/TROL It is only possible to enable or disable the engine speed synchronisation on the active control stand when both command master levers are in the engine speed range “Forwards”...
Page 49 Commissioning and operation Neutral (lock) Gear: forwards Gear: reverse Clutch: 100% slip Clutch: 100% slip (lock) (lock) Infinitely variable Infinitely variable slip adjustment and slip adjustment and speed increase speed increase Reverse area Forwards area Operating field Clutch: 0% slip (grip) Clutch: 0% slip (grip) and max.
Page 50 Commissioning and operation Acoustic signal transmitter The acoustic signal transmitter is located below the command master and is present once on each system (once for the port system and once for the star- board system). The signal transmitter supports the visual displays of the command master light- ing and the alarm lamp with acoustic signals.
Page 51 Commissioning and operation 2. Command request: The command can be requested at any control stand. The control levers of the command master on the requesting control stand must be set at the “Neutral position”. . “Command master calibration and enable of control stands” must have been carried out.
Page 52 Commissioning and operation Command change between control stands For a command change to a different control stand, there are two variants which have to be set using DIP switch I–2 in the setting unit. Command change with lever comparison or free command change. On twin-engine systems, both setting units must have the same setting.
Page 53 Commissioning and operation 2nd step: Command takeover on the selected control stand. Execution: − Press “Command” key once to take over the command on this control stand. Consequence: − The acoustic signal transmitter is silent. − The “Command” display shows continuous light. The command takeover is complete and the command is now at this control stand.
Page 54 8. Emergency operation unit: The emergency operation control system − Em − is conceived as a simple engine MAN MARINE DIESEL speed and gearbox control system which enables safe continuation of a trip in the event of a failure in the electrical control Em.Op...
Page 55 Commissioning and operation Operating the emergency operation unit Requirements for operation / activation / deactivation: D Operation of the emergency operation control system is only permitted in neutral posi- tion of the command master of the control lever system D The emergency operation control system should only be activated when the engine is running.
Page 56 Commissioning and operation Gearbox control With emergency operation active, the gearbox is controlled using 3 key functions in the positions Neutral, Forwards or Reverse: Shift gearbox to neutral position Shift gearbox to forwards position Shift gearbox to reverse position Gearbox shifting only takes place when the engine speed is in the idle range. It is advisable always to switch the gearbox into neutral first prior to reversing.
Page 57 Commissioning and operation Disabling emergency operation Emergency operation is always terminated automatically when the engine is switched off; the ignition must be switched off for at least 3 seconds. After switching on again, normal control lever operation is enabled first, i.e. the emerg- ency operation system must be reactivated if required.
Page 58 Commissioning and operation Main fuses for + / − on the engine Two main fuses with 20 A are fitted at the engine; these blow in the event of overcurrent or short circuit. If a fuse as blown, the engine can no longer be started. The fuses can be reset by the operator using the keys fitted.
Page 59 Commissioning and operation Main fuses on terminal box Three more main fuses are fitted in the terminal box. These fuses blow in the event of overcur- rent or short circuit. They separately protect D the electronic fuel injection EDC, F5=16 A D the diagnosis system, F6=10 A D and the external electrical connections, F7=10 A...
Page 60 Commissioning and operation Terminal box in the engine room / interface with light-emitting diodes + keys MAN Marine Diesel RESET TEST Serial data activity TYP BE3 The terminal box with light-emitting diodes functions at the same time as an engine room monitoring panel.
Page 61: Shutting Down
Commissioning and operation − In the case of an engine slow down alarm, short-term lowering of engine speed below 800 rpm so that higher engine speed can be reached − In the case of a stop alarm, the alarm can only be deleted if the engine is at a standstill The following light-emitting diodes function continuously: D Power on:...
Page 62: Maintenance And Care
Maintenance and care Lubrication system Ensure outmost cleanliness when handling fuels, lubricants and coolants. Caution: Use only approved fuels, lubricants etc. (see brochure “Fuels, lubricants etc.”). Otherwise the manufacturer’s warranty will become null and void. Engine oil change Danger: The oil is hot- risk of scalding. Do not touch the oil drain plug with bare fingers.
Page 63: Refilling With Oil
Maintenance and care Refilling with oil Caution: Do not add so much engine oil that the oil level rises above the max. marking on the dipstick. Overfilling will result in damage to the engine. Refill with fresh engine oil at the oil filler neck (arrow).
Page 64 Maintenance and care Changing oil filter Caution: Used oil and oil filters are classed as dangerous waste and must de disposed of accordingly. Note in- structions for preventing environ- mental damage. Open oil drain plug on oil filter can and use container to catch oil that may emerge.
Page 65: Fuel System
Maintenance and care Fuel system Fuel If Diesel fuel which contains moisture is used the injection system and the cylinder liners / pistons will be damaged. This can be prevented to same extent by filling the tank as soon as the engine is switched off while the fuel tank is still warm (formation of con- densation is prevented).
Page 66 Maintenance and care Parallel fuel filter Draining moisture: Unscrew drain plugs at every oil change until moisture has been discharged and clean fuel flows out. Changing fuel filter Only when engine is switched off D Loosen filter with tape wrench and remove it D Wet seal on new filter with fuel D Screw on filter by hand...
Page 67 Maintenance and care Changing fuel filter D Loosen filter with tape wrench and remove it D Wet seal on new filter with fuel D Screw on filter by hand D After this, bleed the fuel system D Check filter for leaks Caution: Used fuel filters are classed as dangerous waste and must be dis-...
Page 68: Cooling System
Maintenance and care Cooling system Danger: Draining hot coolant involves a risk of scalding. Draining the cooling system Caution: Drain coolant into a suitable con- tainer and dispose of it in accor- dance with regulations. Drain coolant as follows, but only when the engine has cooled down.
Page 69 Maintenance and care Filling / bleeding the cooling system (only when engine has cooled down) Fill the cooling system of the engine with a mixture of drinkable tap water and anti-freeze agent on ethylene glycole basis or anti-corrosion agent. Caution: Use only approved fuels, lubricants etc.
Page 70 Maintenance and care D Top up with coolant (approx. 6 litres) and refit cap À Before the engine is next put into oper- ation (with the engine cold) check the coolant level and top up if necessary. Note: The turbochargers must not be bled while the cooling system is being topped up.
Page 71: V-Belts
Maintenance and care V-belts Checking condition D Check V-belts for cracks, oil, overheat- ing and wear D Change demaged V-belts Checking tension Use V-belt tension tester to check V-belt tension. D Lower indicator arm À into the scale D Apply tester to belt at a point midway between two pulleys so that edge of contact surface Á...
Page 72: Alternator
D Do not operate the alternator without battery connection! Temporary decommissioning of engines Temporary anti-corrosion protection according to MAN works norm M 3069 is required for engines which are to be put out of service for fairly long periods. The works standard can be obtained from our After-Sales Service department in Nurem-...
Page 73 Notes ..........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Page 74: Technical Data
Technical data Model D 2876 LE 401 / 402 / 404 / 405 Design in-line vertical Cycle 4-stroke Diesel with turbocharging / inter- cooling and wastegate Combustion system Direct injection Turbocharging Turbocharger with intercooling and waste- gate Number of cylinders...
Page 75 Technical data Injectors six-hole nozzles Opening pressure of injector New nozzle holder: 320 + 8 bar Used nozzle holder: Engine lubrication Force feed Oil capacity in oil sump (litres) min. max. deep 26 l 30 l shallow 29 l 34 l Oil change quantity (with filter) deep 33 l...
Page 76: Troubleshooting Table
Troubleshooting table Fault Engine does not start, or starts only with difficulty Engine starts but does not reach full speed or stalls Engine idles out of true when warm, misfiring Engine speed fluctuates during operation Power output unsatisfactory Coolant temperature too high, coolant being lost Lube oil pressure too low Lube oil pressure too high Black smoke accompanied by loss of power...
Page 77 Troubleshooting table Fault Engine does not start, or starts only with difficulty Engine starts but does not reach full speed or stalls Engine idles out of true when warm, misfiring Engine speed fluctuates during operation Power output unsatisfactory Coolant temperature too high, coolant being lost Lube oil pressure too low Lube oil pressure too high Black smoke accompanied by loss of power...
Page 78: Index
Index Alternator ....... . Nameplates ......Bleeding the fuel system .

This manual is also suitable for:

D 2876 le 402 D 2876 le 404 D 2876 le 405