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  Contents  

2

Safety precautions ..................................................................................................................3
Presentation ............................................................................................................................6

 Identification 

plates 

...................................................................................................................... 6

 Additional 

equipment 

................................................................................................................... 6

 Warranty 

...................................................................................................................................... 7

 Environmental 

responsibility 

........................................................................................................ 7

 

Preparations before starting........................................................................................................  7

 Fuel 

supply................................................................................................................................... 7

 

Behaviour of the boat ................................................................................................................... 7

 Instrument 

panel 

.....................................................................................................................8

 

Warning lights & alarms ............................................................................................................... 9

 Throttle 

lever 

................................................................................................................................ 9

  Principal parts of the engine .................................................................................................10
 Installation 

inspection 

...........................................................................................................11

  Operation of the engine ........................................................................................................12
 

Before starting  ................................................................................................................12

 

Starting the engine ..........................................................................................................12

 During 

operation 

...................................................................................................................13

 

Forward / reverse speed ............................................................................................................ 13

 Running 

in 

.................................................................................................................................. 13

  Stopping the engine .............................................................................................................13
 Emergency 

stop 

..............................................................................................................13

 

After the engine has stopped ..........................................................................................13

Maintenance ..........................................................................................................................14

 Daily 

checks 

.........................................................................................................................15

 Fuel 

system 

..........................................................................................................................16

 

Bleeding the fuel circuit ...................................................................................................16

 

Replacing the fuel fi lter ....................................................................................................16

 

Replacing the fuel prefi lter ...............................................................................................17

 

Draining the water from the fuel prefi lter .........................................................................17

 Lubrication 

circuit 

.................................................................................................................18

 

Checking the oil level ......................................................................................................18

 

Replacing the oil fi lter cartridge .......................................................................................18

 

Draining the engine oil .....................................................................................................19

  Cooling circuit - coolant ........................................................................................................20
 Coolant 

fi lling ...................................................................................................................21

 

Draining the cooling circuit ..............................................................................................21

 

Rinsing the cooling circuit ................................................................................................21

  Cooling circuit - seawater .....................................................................................................22
 

Cleaning the seawater fi lter .............................................................................................22

 

Draining the seawater circuit ...........................................................................................22

 

Replacing the seawater pump rotor ................................................................................23

 Air 

fi lter .................................................................................................................................24

  Engine electrical system .......................................................................................................25
 

Check the electrolyte level ..............................................................................................25

 Changing 

fuses 

...............................................................................................................25

  Protection against corrosion - Zinc anode ............................................................................26
  Protecting the engine during periods of inactivity .................................................................27
  Restarting the engine ...........................................................................................................27

Fault-finding ..........................................................................................................................28
Technical specifications ......................................................................................................30

Summary of Contents for V6.270

Page 1: ...Instruction manual Marine Diesel engines V6 270 V6 320 V6 350 970315366 01032011 C...

Page 2: ...el system 16 Bleeding the fuel circuit 16 Replacing the fuel filter 16 Replacing the fuel prefilter 17 Draining the water from the fuel prefilter 17 Lubrication circuit 18 Checking the oil level 18 Re...

Page 3: ...your equipment This manual contains important safety indications and information They are as follows I Danger This symbol indicates the risk of accidents and serious personal injury substantial prope...

Page 4: ...e coolant and oil circuit caps when the engine is operational and or hot Never start or run the engine when the oil fill cap is not screwed on as hot oil could spray out If you come into contact with...

Page 5: ...onal I Rotating parts Rotating parts can be extremely dangerous and cause serious injury and even death Do not work on the engine when it is operational If work on the engine when running is absolutel...

Page 6: ...lar attention to the information on personal safety This manual must always be to hand where the engine is used We recommend that you visually check the overall condition of your engine before and aft...

Page 7: ...to the water The different fluids used to run the engine are a health hazard Carefully read the instructions on the packaging of these products and always check that the ventilation in the storage com...

Page 8: ...show the engine oil level This indicator shows the oil pressure The pilot lamp inside the dial is lit and an audible alarm sounds if the oil pressure in the lubrication circuit falls At idle the pres...

Page 9: ...h pressure turbo This alert indicator indicates that the air pressure in the turbocharger is too high If one or more of these lights come on when the engine is running stop the engine except in emerge...

Page 10: ...Oil drain orifice 11 Oil gauge 12 Oil filter 13 Heat exchanger 14 Coolant fill orifice 15 Seawater pump 16 Heat exchanger drain plug 17 Electronic control unit 18 Supports 19 Turbocompressor 20 Hoist...

Page 11: ...iphon valve Mandatory on boats whose engine is below the waterline The anti siphon valve must be installed at the end of the seawater system before injection in the exhaust elbow and must be positione...

Page 12: ...ine is not used regularly turn the ignition and let the engine run at idle until it reaches operating tempera ture Do this at least one time per month when not in use Carry out the following operation...

Page 13: ...ving the engine the time to warm up by idling for several minutes and only run at full speed for short periods of time Stopping the engine Let the engine run at idle in the neutral position for few mi...

Page 14: ...preserve the mechanical qualities of the engine and prolong its service life we recommend you follow the instructions below Use a coolant made of 50 water and 50 antifreeze Use tap water for the mix...

Page 15: ...is required I Attention Do not let oil fuel or grease deposits build up around the engine as they may increase the risk of fire in the engine compartment Check the operation of the different lamps an...

Page 16: ...screw and lock the hand pump B I Attention Avoid draining all the fuel in the filter when bleeding If you have remove the filter and replenish with fuel before replacing it and repeat the bleeding Rep...

Page 17: ...uel prefilter Remove the filter tank A Drain and clean the filter tank Replace the cartridge B and re install the tank Open the fuel valve Drain the feed system then start the engine to check the leak...

Page 18: ...oil until reaching the specified level Fill the oil via the fill orifice situated on the top of the engine Add the oil slowly and wait several minutes before checking the level again This allows the...

Page 19: ...ce A Connect the drain pump to the orifice A Use a pail to collect the extracted oil Pump until the oil has been completely extracted Refill with the new oil the amount of oil to add is indicated in t...

Page 20: ...eceptacle and ensure the fluids are well mixed Coolant filling I Attention Do not check the coolant level when the engine is hot Pressurised coolant can spurt and cause serious burns Carry out this wo...

Page 21: ...under the drain caps A and B then untighten it Let the coolant run out until the exchanger is empty Clean the inside of the heat exchanger by following the instructions below before closing the caps R...

Page 22: ...ter filter The seawater filter is an optional component These instructions are given as an example only Check the condition of the seawater filter with the engine stopped If deposits have formed remov...

Page 23: ...ter intake valve Remove the seawater pump cap A and the seal B then remove the rotor C without damaging it Check the condition of the rotor replace it if even the most minor defect is noted Clean the...

Page 24: ...level of noise made by the engine and purifies the air injected into the combustion chamber If the filter is too clogged replace it If it is not Remove the hose retaining ring and remove the filter Fi...

Page 25: ...d premature discharging notably in wet weather The battery terminals and the cables must be cleaned with a brass brush in order to remove any oxidation Tighten the cable terminals and lubricate them w...

Page 26: ...In order to protect the engine and the seawater cooling system from corrosion the engine is fitted with two sacrificial anodes located on the end cover of the exchanger To remove the anodes Let the e...

Page 27: ...the engine cool down to avoid the risk of burns 13 Block all the openings admission exhaust fuel line air valve 14 Loosen belts 15 Remove and store the impeller of the sea water pump in a hermetic op...

Page 28: ...ters clogged or water present Clean or replace the fuel filters or drain the water from the prefilter then drain the circuit Fuel contaminated or too old Drain the tank if contaminated and fill with c...

Page 29: ...or faulty Re tighten or replace the belt Coolant pump is faulty Replace the pumpe and the belt Seawater pump rotor is faulty Replace the rotor Insufficient coolant Fill with coolant and check that the...

Page 30: ...oler Bore x stroke mm 94 x 100 Maximum rpm speed at full throttle rpm 3800 50 rpm Idle rpm speed rpm 700 50 rpm No load rpm speed rpm 3900 50 rpm Weight without gearbox kg 460 INJECTION SYSTEM V6 270...

Page 31: ...33...

Page 32: ...6 22 30 60 Fax 33 0 5 56 22 30 79 E mail contact nannidiesel com 2009 Nanni Industries S A S The images text and information contained in this document are based on the product specifications at the t...

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