User Manual - CLOUDS International BV
Contents
1. 18 Operation 23 Before starting 23 Starting the engine 24 During operation 26 Stopping the engine 28 El NTRODUCTION Thank you for choosing a Nanni product Contact a Nanni authorized dealer for the servicing of your product A list of dealers can be found on our web site www nannidiesel com Nanni engines are the product of many years of experience in the deve lopment of marine engines and equipment designed for use in open seas Your engine is built with the finest materials in accordance with precise specifications and strict production methods Before operating the engine make sure that this manual is applicable to the engine Refer to the Identification plate if you are not sure about the engine model designation If you don t have the correct manual please contact your Nanni authorized Dealer Correct installation of the engine on your boat is of the greatest importance for safe navigation and protection of the environment The installation should be carried out by an authorized Nanni workshop in accordance with the installation instructions About this manual This Operator s Manual contains important information tips sugges tions and warnings We urge you to read it carefully and familiarize yourself with the engine before starting For your own safety and longer service li2. k Never use water alone to completely fill the coolant sys tem CLEAN WATER Use clean soft water distilled water or tap water to mix with antifreeze Natural water generally contains minerals and sometimes salt which can oxidize metal and accelerate corrosion process ANTI FREEZE Never use poor quality antifreeze The main components of the anti freeze can corrode metal gather ing rust in the cooling system over an extended period Poor quality antifreeze has poor content of corrosion preventive The content further becomes less potent with the dilution of water Choose additive that will not have any adverse effects on the materi als of the cooling system Never mix different additive as it may cause chemical reactions and therefore malfunctions WATER BOILER A water boiler can be connected to the engine coolant circuit If the boiler is located above the engine an additional recovery tank must be installed above the boiler The amount of coolant must be adapted depending the model of water boiler to completely fill the coolant system COOLANT EXPANSION When it heats the coolant expands and takes up a higher volume The heat exchanger is fitted with a System that allows to compensate this expansion Make sure not to overfill the heat exchanger when filling with coolant Coolant level AAA A DANGER Never open the coolant filler cap or any plug of the cooling system when the engin
3. 11 Drain the coolant before the next time the engine is used A WARNING Check for leaks before the next engine start A CAUTION When preparing the engine for long term storage if the engine is likely to be subject to frost drain all water in the raw water circuit Electrical system O A DANGER Stop the engine and switch off the main switches to break the current before working on the electrical system Isolate shore current to any accessories mounted on the engine A CAUTION The main switch should always be switched ON when the engine is operating Never disconnect the lead between the alternator and the battery when the engine is operating Wires and connectors Check that electrical wires and con nectors are dry and in good condi tions The engine extension harness should be away from any water projection and must be correctly attached as high as possible in the hold Change it if any defect ap pears Tighten the cable terminals and lubricate them with appropriate grease Fuses The engine electrical system is protected from electrical overload damage by fuses If the electrical system does not Work the engine does not start or the instruments panel don t oper ate a fuse may have trip Investigate the cause before reset ting the fuse Always have spare fuses on board Replace a blown fuse with one of the same rating A CAUTION If the replacement fuse blow
4. 1 Remove the key from the panel 2 Close the sea cock 3 Drain the raw water system 4 Remove the set formed by a cap a seal and the anode 5 Remove the deposits from the surface of the anode using glass paper before determining the level of erosion Do not use a soft steel brush as this could leave deposits that are likely to speed up corrosion 6 If more than 50 of the anode has been used up change it along with the seal The length of a new anode is 16 mm A CAUTION Screw the anode cap back on tightly and do not forget to re open the sea cock Mercathode system STERN DRIVE VERSION ONLY The Mercathode system protects the stern drive against corrosion The Mercathode system is made of a controller located near or mounted on the engine and one or several anodes located on the drive and on the transom of the boat A ATTENTION The Mercathode must stay powered up even if the battery Switch is turned off Regularly check the anodes Change the anodes if eroded 5096 or more Do not wash the anodes with a high pressure washer or with a brush Long term storage A set of operations must be per formed to prepare and protect the engine for a long term storage Refer to the corresponding chapter in the MAINTENANCE section to perform some of these operations We recommend that you have all these operations carried out by a Nanni authorized workshop NOTICE It might be necessary to ad
5. If the engine does not function properly use the following chart to identify the cause If the cause of trouble can not be found contact a Nanni autho rized workshop NOTICE Some components may not be part of the engine ordered This list is not exhaustive and is only an assistance in case of emergencies PROBABLE CAUSES The engine fails to start 1 2 3 4 5 6 7 8 9 10 11 13 The engine starts but suddenly stops 1 2 3 4 5 The engine is difficult to start 1 2 3 4 5 6 8 9 The starter motor is not turning or turn slowly 8 9 The starter motor turns but the engine does not start 1 2 3 4 5 6 7 The engine does not reach its rated speed at wide open throttle 2 3 4 5 6 7 12 14 15 16 17 26 28 The engine operate unevenly 1 2 3 4 5 6 7 14 15 16 17 18 19 20 24 28 The engine vibrates a lot 16 27 Black exhaust smoke 4 5 14 15 16 19 20 28 White exhaust smoke 4 5 23 25 High fuel consumption 4 7 14 15 16 19 20 22 28 The engine overheats coolant tempera ture too high 14 15 16 18 19 20 21 22 28 The control lever is hard to operate 12 14 15 16 17 26 No shift between ahead and astern 9 11 12 16 17 26 Battery charge warning lamp comes on 8 9 11 18 The numbers refer to the possible causes indicated on the following page Contact a Nanni authorized workshop
6. 1 Lack of fuel 2 Air in fuel system 3 Fuel filter fouled or clogged 4 Fuel do not meet specified standard 5 Water contaminants in fuel 6 Valve clearance is wrong 7 Low compression 8 Insufficient battery charge Defective battery 9 Faulty electrical cables contact 10 Faulty starter or starter switch 11 Tripped fuse Main switch is open 12 Transmission is damaged 13 Control lever not in neutral Stop control pulled out 14 Too much load on board 15 Fouling on underwater hull drive or propeller 16 Defective incorrect propeller 17 Faulty operation of control lever control cables 18 Loosen or damaged belt 19 Incorrect coolant Low coolant level Coolant leaks 20 Cooling system does not operate correctly 21 Faulty thermostat 22 Sea cock valve closed Raw water filter clogged 23 Lube oil burns Excessive oil consumption 24 Engine oil level too low 25 Engine oil level too high 26 Transmission oil level too low 27 Defective engine mounting 28 Insufficient air supply EJ TEcHNICAL DATA MODEL TARO ENGINE CHARACTERISTICS Type 4 stroke Diesel Max power kW hp 169 1 230 194 9 265 Number of cylinders Arrangement 4 in line Displacement cm 2982 Bore and stroke mm 96 103 Air intake Turbo amp Intercooler Compression ratio 15 1 Idle speed clutch disengaged a 700 rpm Rated engine speed Max power 3600 rpm
7. or prevent water discharge before working on this raw water system The raw water system allows to cool the engine coolant and the exhaust gas Raw water is drawn into the heat exchanger by the raw water pump of the engine The raw water is discharged via the exhaust elbow where it is mixed with exhaust gases NOTICE If there s any risk of frost raw water system should be drained Siphon breaker A DANGER Close the sea cock before any operation on the siphon breaker NOTICE The use of a siphon breaker is mandatory if the exhaust elbow is under the waterline at full load or at less than 200 mm above it A siphon breaker is mandatory in all Sail Boat and when there s a risk of water entry in the engine The siphon breaker prevents raw water entry into the cylinders via the raw water exhaust system To operate correctly the siphon breaker should clean twice a sea son or when leakage appears A CAUTION A faulty operation of the siphon breaker will lead to water entry in the engine Inspect it regularly and clean it fol lowing the instructions given by the manufacturer Raw water pump impeller A CAUTION If the engine has been run wi thout supply of raw water check the raw water pump impeller Change it if needed The raw water pump impeller is an essential component of the engine It should be changed regularly along with the seal A worn impeller could crack and damage the
8. possible risks involved in handling the engine and make sure to take the necessary precautions to pro tect yourself those around you and the equipment Read all informations supplied with the boat before starting the engine for the first time Always ensure that the mainte nance of the boat and all equip ment has been done in accordance with the instructions stated in the relevant Manual Have all mandato ry and necessary safety equipment handy in the boat and serviceable Emergency kit You can order an emergency kit from any Nanni authorized dealer The engine emergency kit contains several components to carry out simple repair in the event of a fault Always have an complete emer gency kit onboard and necessary tools to carry out any repairs Safety alert symbols General rules of safety precautions to follow are indicated in this Ma nual They are indicated as follows A DANGER Indicates a hazardous situation which if not avoided will result in death or serious injury A WARNING Indicates a hazardous situation which if not avoided could re sult in death or serious injury A CAUTION Indicates a hazardous situation which if not avoided could re sult in minor or moderate injury or could cause property damage NOTICE Indicates important infor mation in order to facilitate handling or avoid property damage Safety icons Several stickers are fixed directly on the en
9. Change if needed Check cold valve clearance Check and clean the Turbo Change the thermal protection of the turbo EVERY 1000 OPERATING HOURS AT LEAST EVERY 4 YEARS Change the flexible engine mounts Change the timing belt General inspection A CAUTION Do not let oil fuel or grease deposits build up around the engine as they may increase the risk of fire in the engine compart ment Make a habit of visually checking the engine and its compartment each time you operate the boat before starting the engine check for fuel water or oil leaks check the tightness of the different clamps and bolts the condition of the belt hoses and electrical wirings the wear of anodes if fitted the bat tery electrolyte level and all com ponents of the engine mounting system Control cables The engine rpm and the gearbox shift command are controlled by mechanical control cables con nected to the control lever Adjust the tension of the cable if necessary If any defect appears rust crack etc the control cable must be changed Stuffing box A DANGER A stuffing box lubricated with raw water taken from the engine cooling system must never be installed on a Sail boat or when the exhaust elbow is below the waterline A separated water supply or a stuffing box lubricat ed by grease must be used on all Sail boat or when the exhaust elbow is below the waterline If the boat
10. from the fuel prefilter Check the condition of the battery Check the warning lamps of the instrument panel Control and adjust general water tightness m Check the stuffing box condition EVERY 100 OPERATING HOURS AT LEAST EVERY YEAR Clean the air filter Change if needed Change the fuel filter m Check the condition and the tension of the belts Change if needed m Check the anodes Change if needed Check and tighten the electrical connections amp cables the clamps and Screws Remove the sediment from the fuel tank and drain the fuel tank m Check the control unit the condition of the cables grease the cables EVERY 200 OPERATING HOURS AT LEAST EVERY YEAR Change the engine and transmission oil Change the oil filters Change the fuel filters Check the raw water pump impeller Change if needed Check the engine flexible mountings Adjust as necessary Clean the Turbo Wastegate Clean and touch up the paintwork as necessary EVERY 400 OPERATING HOURS AT LEAST EVERY 2 YEARS Change the thermostat of the heat exchanger Change the heat exchanger filler plug Drain and change the coolant Clean the coolant system Check and clean the heat exchanger tube stack Change the O ring Check and clean the air cooler tube stack Change the O ring Check and clean the transmission oil cooler tube stack Check the fuel injection nozzles
11. fuel consumption a reduced engine service life and a greater discharge of exhaust gases When draining the oil and changing the oil or fuel filter dispose of the waste in an appropriate container These fluids cause major damage to flora and fauna if discharged into nature Use an absorption kit in the event of accidental discharge of oil or fuel into the water Warranty This manual is supplemented by a Warranty Information Booklet We recommend that you read this publication thoroughly Pay special attention to the appli cable duty cycle and to the limita tions that result Failure to comply with the warranty conditions will void the Warranty The validity of the Warranty is also dependent on proper installation and maintenance operation being carried out by an authorized Nanni representative NOTICE Late or improper mainte nance or use of spare parts other than Nanni original spare parts will invalidate Nanni s responsibility for the engine accordance with homo logation and will void the Warranty Modifications to the engine s set tings as well as any other tech nical modification accessories spare parts additional equipment etc ARE FORBIDDEN WITH OUT WRITTEN AUTHORIZATION FROM NANNI INDUSTRIES S A S Any modification will void the War ranty Damage caused by failure to follow operation instructions or incorrect operation is also not cove red by the warranty Propeller selection The
12. in the pulley Belt is constantly tensioned by an automatic belt tensioner y Mm A FS O did gt 1 7 Vg To change the belt 1 Stop the engine and remove the key from the panel 2 Move the tensionner EJ clock wise using a wrench and remove the belt 3 Install the new belt Check that it fits properly in the pulley 4 Make sure that the indicator mark of the tensionner is within the range A as shown below p y N ML T y T E Nsg Es A A x ach N gm 2 gt gt ST YE n STS 5 Check the tension after few hours of operation Corrosion protection The engine and all metal item in the boat that are exposed to water or damp can be damaged by corro sion There are two main categories of corrosion which can be cumulative galvanic corrosion and electrolytic corrosion Both corrosion proc esses are a result of electric current that flow between metal items in an electrolyte such as water Galvanic corrosion Galvanic corrosion is an elec trochemical reaction that create electrical current between dissimilar metals exposed to water This cur rent will corrode the more anodic metal Several factors cumulative or not can worsen this effect High saline and or mineral con centration in water High water temperature gt 25 C When cruising at high speed or when there s a strong current Important relation difference between the cathode and anodi
13. is equipped with a braided type stuffing box check the system s tightness As this system is not absolutely tight it is nor mal that a slight amount of water passes through the stuffing box Correct operation is characterized by a drop by drop water intake If too much water comes in stop the engine and contact your Nanni dealer as soon as possible In any case always make sure that the lubrication of the stuffing box is sufficient Exhaust system Inspect all exhaust system com ponents hoses clamps mixing elbow manifold etc Check for cracks leaks and corrosion Tight or change them if necessary Check for carbon or soot residue on exhaust components as it indicates an exhaust leak If any defect appears on compo nent of the exhaust system change it as there s a risk of exhaust leakage or water penetration in the engine and the boat Air intake A WARNING Carry out these operations when the engine is stopped and cold Make sure that no dust or dirt enter the intake manifold The air filter reduces the level of noise made by the air intake and prevent particles from penetrating the intake manifold The reliability and the perform ances of the engine depend among other things on the quantity and the temperature of the intake air To check the air filter 1 Remove the clamps and re move the filter 2 Clean the inside of the filter with dry compressed air 3 If the air filt
14. propeller is a critical compo nent of the propulsion system It converts the engine power in thrust To be efficient the propeller must be perfectly adapted to the boat and to its use The performance of your engine will be critically affected by the choice of propeller as an incor rect choice could also damage the engine Engine speed depends on the propeller size and boat load If engine speed is too high or too low for good engine performance this will have an adverse effect on the engine The propeller should always allow the engine to reach its rated speed with the maximum boat load A faulty operation of the engine is often due to an inadequate and or damaged propeller Behaviour of the boat If this is your first boat or if you are not familiar with the boat we urge you to practice controlling the boat at slow speed as a first step Avoid violent manoeuvres or unexpected speed changes while sailing People can fall over or overboard Keep also in mind that the weight distribution passengers equip ments etc inside the boat has an impact on the behaviour of the boat when cruising Depending the position of the load the behaviour of the boat may change particularly in the case of a planning hull The condition of the hull and the propeller is also a critical factor A dirty and or damaged hull will mo dify the behaviour of the boat and therefore the engine performance It can also cause cavit
15. 2 Place a container under the fuel prefilter Drain water and remove impurities using the cock plug 3 Tighten the cock plug once the water has been drained 4 Check the filtering element change it if necessary 5 Open the fuel cock 6 If the filtering element has been changed bleed the fuel system Start the engine and check for leaks Replacing the fuel filter NOTICE Do not fill the new filter with fuel before assembly 1 Close the fuel cock Clean the filter bracket 2 Remove the protective tank 3 Put a plastic bag over the filter El to prevent leakage on the engine 4 Remove the fuel filter Use a filter wrench if needed Check and clean the sealing sur face of the filter bracket Apply film of fuel on the seal 5 Screw the new filter by hand until the seal touch the matting surface Screw a further half turn 6 Open the fuel cock and bleed the air in the fuel system Air bleeding Bleeding the air in the fuel system is necessary After a maintenance operation on the fuel system f the fuel tank has been emp tied The engine has not been started for a long time To bleed the fuel system IF IT IS NOT FITTED with an electric pump 1 Fill totally the fuel tank Open the fuel cock 2 Loose the venting screw Use rags around the venting Screw 3 Pump the fuel using hte lever El until fuel free of air bubbles flows from the venting screw NOTICE If
16. Max crus at wide open throttle 4000 rpm Recommended cruising speed rpm 2880 3240 Weight without gearbox kg 350 Valve clearance engine cold in 0 20 0 30 take mm Valve clearance engine cold ex 0 35 0 45 haust mm Direction of rotation view from Co terclockwis flywheel ELECTRICAL SYSTEM Recommended starter battery capa 100 140 city Ah Starter kW 2 2 Standard Alternator V A 100 FUEL SYSTEM Injection system Direct Common Rail Injection timing before TDC ECU controlled Fuel injection pressure bar 1800 maxi Specific fuel consumption g KWh at wide open throttle 235 Fuel requirements EN 590 ASTM D975 No 2 D Never use fuels that have sulfur content greater than 1 0 96 LUBRICATION SYSTEM rpm l min Oil quality API CF Oil viscosity temperate climate SAE 15W40 Engine oil capacity no engine incli UE 7 4 nation litre Min oil pressure at rated rpm bar 4 5 COOLING SYSTEM Coolant capacity no engine inclina A E 15 5 tion litres Raw water pump flow rate at rated 125 Note Note NANNI INDUSTRIES SAS 11 Avenue Mariotte Zone Industrielle 33260 La Teste France Tel 33 0 5 56 22 30 60 Fax 33 0 5 56 22 30 79 P N Email contact nannidiesel com 032014 IndB www nannidiesel com
17. Nanni marine engine Operator s manual Engines 14 230 14 270 English You can download a copy of this manual in English on nannidiesel com Francais Vous pouvez t l charger ce manuel en Francais sur notre site Web l adresse www nannidiesel com Italiano Scarica una copia del manuale in lingua Italiano sul nannidiesel com Deutsch Sie k nnen eine Kopie dieses Handbuchs in Deutsch Sprache auf nanni diesel com E Contents Introduction 1 Maintenance 32 About this manual 2 Service schedule 33 Isl Q 3 di gt Fuel system 37 Emergency kit 3 uM Lubrication system 41 Safety alert symbols 3 Cooling system 43 Safety ICONS 4 Raw water system 47 Safety precautions 5 Electrical system 51 OVeOr VIE ie 9 Battery nn 52 About the engine 9 Corrosion protection 54 e 13 Long term storage vicenvi 57 Propeller selection 13 Behaviour of the boat 14 TOUPIES MOONIN Gienia x Engine main components 15 Technical data 61 Instruments panel 17 Standard panel 17 Instrumentation
18. Remote Control The remote control is an optional extra not in the scope of supply of the engine The remote control installed on the boat can be diffe rent than the ones shown in this document On most boats the control lever controls both the engine rpm and the gear shift ahead astern However some boats can be equipped with a separated shift command It can also be fitted with a neutral safety switch that prevents the engine from starting until the lever is in neutral position Consult the boat builder or your Nanni dealer if you are not sure about the operation of the remote control Power Take Off Some engines can be fit with a Power Take Off system This sys tem allows to power accessories like bilge pump watermaker etc NOTICE Any mechanical power taken from the engine from a PTO reduces the power delivered to the propeller The use of a PTO should always be studied and approved by the R amp D department of Nanni Industries S A S France Contact your Nanni dealer for more informa tions Trolling valve The Trolling valve system allows to reduce the rotation speed of the propeller below its speed when the engine is at idle The boat speed is reduced by 3096 to 7096 A CAUTION The Trolling valve system must never be used for manoeuvring It also must never be used at an engine speed of more than 1200 rpm Operation in cold weather conditions Nanni engines are designed to ope ra
19. and even death En sure the battery storage compart ment is corrected ventilated Do not smoke near the batteries and keep them away from sources of ignition flames or sparks They produce hydrogen which could ignite or explode on contact with an electrical arc or a flame Switch off all electrical appliances in the vicinity when you are working on the batteries Ventilate correctly storage batteries compartment Avoid touching the battery terminals with metal tools so that no sparks are created which could cause an explosion Remove the rings bracelets and necklaces before handing the batteries Rotating parts Rotating parts can be extremely dangerous and cause serious injury and even death Do not work on the engine when itis operational If work on the engine when running is absolutely necessary do not touch any hot or rotating parts Baggy clothing hair or objects could be pulled in and or caught and cause serious injury or subs tantial property damage Do not wear bracelets necklaces or rings when working on a engine Check that the bolts and screws are properly tightened and that the protection mechanisms are in place Do not check the tension of the alternator belt when the engine is operational Accidental starting Accidental starting can cause se rious injury and even death Disconnect the battery before wor king on the engine Ensure no one is alongside the engine or working on before st
20. ansfer switch and related equipment and electrical circuits to comply with applicable codes and standards Never contact electrical leads or appliances when standing in water or on wet ground because these conditions increase the risk of electrocution The voltage at these terminals can cause death Short circuits can cause bodily injury and or equipment damage Remove all jewellery before servi cing the equipment Hazardous backfeed voltage can cause severe injury or death Connect the engine to the buil ding marina electrical system only through an approved device Work on the electrical circuit should only be carried out by qualified techni cians Operations on the shore power equipment must only be carried out by electricians authorized to work with high voltage installations Special attention must be brought on boat with metallic hull especially concerning the protection of the persons against electrical shock and the protection against galvanic and electrolytic corrosion Battery acid The acid in batteries can cause serious injury and even death When servicing the batteries wear protective gloves and goggles Bat teries contain sulphuric acid which is highly corrosive Acid can spurt from batteries when they are handled If the acid comes into contact with the skin rinse tho roughly in fresh water and consult a doctor Risk of battery explo sion A battery explosion can cause serious injury
21. apt these operations depending the climatic conditions Contact a Nanni authorized workshop for further informations For prolonged storage gt 12 months a specific set of meas ures must be performed All these operations should be carried out by a Nanni authorized workshop A CAUTION If the engine is likely to be subject to frost drain all water in the seawater circuit Long term storage procedure Complete the nearest periodic maintenance inspections and op erations before performing the long term storage procedure 1 Drain and change the engine and transmission oil 2 Change the engine oil filter 3 Change the fuel filter and pre filter 4 Run the engine to normal oper ating temperature 5 Stop the engine and take the boat out of water 6 Drain and clean all components of the seawater system Protect the components against corro sion 7 Remove the impeller from the seawater pump if fitted Store it in a cool and dry place Indicate by any means that the impeller has been removed 8 Check the engine coolant level and condition Top up if neces sary 9 Drain any water and contami nants from the fuel tank 10 Fill totally the fuel tank 11 Remove the air filter Secure all air intake with clean clothes 12 Clean the engine Repair any damaged areas of paintwork with Nanni original paint A CAUTION Do not point a high pressure water jet toward seals hoses gromm
22. arting it A rotating propeller can cause serious injury or death Ensure all the protection mechanisms are in place before starting the engine Chemical products The different fluids used to run the engine are a health hazard Ca refully read the instructions on the packaging of these products and always check that the ventilation in the hold space is adequate Follow environmental regulations concerning the disposal of oil fuel coolant filters and batteries Do not put your hands over pipes when looking for possible leaks Water ingress The engine should be protected against from water ingress by any means Water ingress leads to complete engine failure This is not cover under any warranty terms Water can enter the engine after filling the exhaust system Correct installation of the engine on your boat is of the greatest impor tance for safe navigation and pro tection of the environment The first protection against water ingress is a correct installation of the engine A correct use of the engine is also important to protect the engine against water ingress The ope rator owner is responsible for the correct operation of the engine and for the implementation of all neces sary means to protect the engine against water intrusion After a vessel capsizing or if the engine has been filled with water do not start the engine except in extreme emergencies and contact an authorized Nanni dealer EN Ove
23. ation which can seriously erode the surface of the propeller the drive etc Engine main components NOTICE The engine may not be exactly as represented here Some com ponents may not be part of the engine ordered 1 Alternator 2 Alternator belt 3 Starter 4 Fuses box 5 Air filter 6 Fuel filter 7 Fuel cooler 8 High pressure Injection pump 9 Heat exchanger 10 Heat exchanger filler cap 11 Coolant pump 12 Turbocompressor 13 Coolant drain plug 14 Raw water pump 15 Oil filter 16 Oil filler port 17 Oil gauge 18 Water cooled exhaust elbow 19 ECU 20 EDU 21 Intercooler T4 230 T4 270 EJ I NsTRUMENTATI ON This chapter describes all available instruments for your engine Contact your dealer if the boat is fitted with instruments not described in this chapter or if you are not sure about their function Depending the boat the instruments can be installed on panel or separate ly on the dashboard Tachometer amp LCD display The analog tachometer displays the engine speed Multiply the indicated value by 1000 to get the revolutions per minute of the engine ACL functions are described in the following pages Alternator charge indicator Shows the voltage at the alternator terminals Starter switch The starter switch allows to start and stop the engine The ON STOP switch allows to connect the system voltage and to stop the engine The START button allows to pre heat
24. c surfaces Anodes in magnesium or zinc are generally used to protect the boat against galvanic corrosion Due to their intrinsic nature these anodes will wear down in place of other metallic components During the first year of use check the anodes deterioration every 3 months During prolonged moor ing near other boats or dock side control the wear and tear of the anodes at shorter intervals In that case the use of additional corro sion protection might be necessary during prolonged mooring Depending upon operating condi tions and water properties it might be necessary to check and or replace the anode more frequently A CAUTION The anodes must never be painted or damaged They must be changed as soon as they are corroded of more than 50 Electrolytic corrosion Electrolytic corrosion is caused by externally generated DC electrical currents that pass through a metal item to another in an electrolyte such as raw water Electrolytic cor rosion is especially due to circuit leakage currents shore power systems or DC ground faults The consequences are the same as galvanic corrosion However the protective measures against galvanic corrosion are only partially effective against electrolytic corro sion To protect the engine against electrolytic corrosion the following recommendations should always be followed Electric cables must never be exposed to water or damp They must be clamped and free fro
25. check the oil level 1 Remove and wipe the dipstick 2 Re insert and remove the dipstick 3 Check that the oil level is be tween the Mini and Max mark If the level is too low remove the oil filler plug and add oil slowly Wait few minutes before checking the oil level to let the oil drain down to the oil pan NOTICE Completely drain the pre vious oil before adding new engine oil Never mix different type of oil Draining the engine oil 1 Start the engine and let it warm few minutes so that oil suction is easier 2 Stop the engine and remove the key from the panel 3 Remove the cap of the drain pipe E and connect the oil drain pump 4 Drain all the oil in the oil pan 5 Disconnect the oil drain pump and replace the cap on the drain pipe Changing the oil filter Change the oil filter each time the engine oil is drained SY gt gt A ERE KEIN 1 Remove the oil filter with a filter wrench Turn the filter counter clockwise Remove the gasket 2 Clean the mating surface in order to prevent impurities from entering the engine 3 Apply a film of oil on the new gasket Screw the new filter by hand with the new gasket When the gasket contacts the mating surface turn the filter a half turn 4 Fill with correct amount of new oil Check for leaks and check the oil level 5 Start the engine and let it oper ate few minutes at idle Check that the oil pressu
26. cool ing system Always have a spare raw water pump impeller on board NOTICE The service life of the raw water pump impeller vary depend ing the operating conditions To extract the impeller 1 Stop the engine remove the key from the panel and close the sea cock 2 Remove the cover of the raw water pump 3 Remove the gasket Ell 4 Mark the position of the neo prene impeller E inside the pump in order to install it in the correct position in case of rein stallation 5 Carefully remove the impeller using an extractor 6 Inspect the impeller Check for damaged cracked broken miss ing or flattened vanes Change the impeller if it is damaged Clean and drain the raw water system if parts of the impeller are missing 7 Inspect the cover and the gasket for corrosion or damage Change it if they are damaged 8 Lubricate the inside of the pump and the cover with water proof grease for rubber 9 Install the impeller If reinstalling the old one place it at the same location using the mark done previously Rotate the impeller in the same direction as the engine rotation Lubricate the impeller with waterproof grease for rubber 10 Install the gasket and the cover on the pump housing 11 Open the sea cock check for leaks Prime the raw water sys tem by adding water through the raw water filter if necessary 12 Start the engine and check for leaks Cleaning the raw water fil
27. e coolant level the belt condition the raw water filter condition and that the sea cock is open k Operating the engine while the coolant temperature is too high can lead to severe engine damage Do not operate the engine if the problem persists and contact a Nanni workshop as soon as possible Fuel level indicator Indicates the approximate amount of fuel remaining in the main tank When the tank is full the needle is on the right When empty the needle is on the letter left Trim indicator ONLY IN STERN DRIVE VERSION The trim indicator displays the level of tilt of the Stern drive NOTICE Modifying the boat trim will affect its performance and its behavior when cruising On a twin engine boat each drive can be controlled independently In such case there is one Trim indica tor for each engine Three operating ranges are avail able 1 TRIM RANGE The trim range is used to adjust the boat trim at all engine rpm speed from idle to max rpm at wide open throttle 2 BEACH RANGE The beach range is used to raise the drive for running at reduced speed in shallow water or when water depth is uncertain A CAUTION The max engine speed allowed when the drive is in the beach range is 1000 rpm 3 LIFT RANGE TOWING This range is use to completely lift the drive when towing the boat A CAUTION Never start or run the engine when the drive is in the lift range LCD Display The LCD di
28. e is operating or warm Steam or hot fluid can spray out Always check the coolant level before starting the engine 1 Stop the engine and remove the key from the panel 2 Turn the coolant filler cap El slowly to the first stop and let any pressure escape from the sys tem Remove the cap 3 Coolant level should lie be tween the filler neck lower edge and the level spur 4 Top up using clean water only 5 Reinstall the coolant filler cap 6 Check the coolant level in the recovery tank if fitted It should lie between the Min and Max mark of the recovery tank Add clean water if necessary NOTICE The Min and Max level indicated on the recovery tank if fitted does not indicate the correct level of coolant Draining the coolant circuit 1 Stop the engine and remove the key from the panel 2 Put a container under the drain plug El to collect coolant Un screw the plug and remove the filler cap 3 Drain off all coolant Drain off the recovery tank and the hoses 4 Insert a hose into the heat exchanger filler port Rinse with fresh water until water which flows from the drain port is clean 5 Reinstall the drain plug and fill with coolant to the correct level Coolant Filling Mix the anti freeze with water in a clean container before filling the heat exchanger The coolant must be totally free from dust Fill the exchanger slowly not to introduce air into the coolant sys
29. e warning lamps come on and the acoustic alarm sounds After a few seconds only the ENGINE OIL PRESSURE and BATTERY CHARGE LAMPS remain lit 4 Press fully the START button to start the engine Once the engine has started release the button all lamps go out 5 If the engine is fit with water cooled exhaust elbow check that water flows from the exhaust outlet at the hull If the water does not flow stop the engine and check the raw water system During operation A ATTENTION Never press the START button when the engine is running Check the instruments and warning lamps after starting and regularly when cruising When a fault occurs the acoustic alarm sounds and the LCD display indicates the source of the alarm Stop the engine if there is an abnor mal reading of an indicator or if an alarm comes on except in extreme emergencies Investigate to find the cause and repair if it is possible Do not operate the engine if the problem persists and contact a Nanni workshop as soon as pos sible Cruising speed A recommended engine speed is given in the chapter TECHNICAL DATA to help you to set your cruis ing speed Always consider sailing conditions and load of the boat to set the cruising speed Operating the engine at wide open throttle should be avoided since it is both uncomfortable and uneco nomical Note that operating the engine at a too low rpm for a long period could lead among other th
30. ent clean and accessible so as to minimise the risk of fire Be careful as fuel can burn Damaged pipes can lead to fire Explosion Explosions caused by fuel vapour can cause serious injury Carefully follow the safety rules when filling the fuel Open and ventilate the storage area of the engine after filling Check that there are no fuel va pours or leaks before starting the fan if fitted Switch the fan on for 5 minutes before starting the engine All fuel vapours are flammable and explosive Be careful when handling and storing fuel Store the fuel in a ventilated area away from sources of ignition sparks or flames and out of the reach of children Stop the engine before filling with fuel or lubricant Do not smoke near the engine and keep it away from sources of ignition flames when filling with fuel and or lubricant Wear gloves when investigating possible leaks Do not alter or damage the fuel cir cuit Close the fuel circuit whenever you work on it Ensure you always have an appropriate working fire extinguisher to hand Hazardous Voltage Electrical Shock Electrocution is possible whenever electricity is present Hazardous voltage can cause severe injury or death Operate the engine only when all guards and electrical en closures are in place Open the main circuit breakers of all power sources before servi cing the equipment Configure the installation to electrically ground the engine tr
31. er is damaged change it 4 Install the filter with the clamps Make sure the clamps are tight enough while not damaging the filter Fuel system a NM A DANGER k Stop the engine and let it cool down before refuelling or carrying out any operation on the fuel system A WARNING Fuel is flammable and can be dangerous Fuel spilled on hot surface or near spark can burn k Do not step on the injection pipes Always make sure they are not damaged A CAUTION Total cleanliness must be gua ranteed when working on the fuel system No impurities should enter the injection system Make sure not to spill fuel on hoses NOTICE All work on the fuel injec tion system must be carried out by a authorized Nanni technician Check regularly the condition of the components of the fuel system hoses filter clamps etc Change it if any defect appears Operation of the fuel system The fuel is drawn from the tank by the fuel feed pump and is injected into the combustion chamber by the injection pump A fuel filter is placed between the feed pump and the injection pump The injection pump delivers a larger amount of fuel than required for combustion The fuel that is not burned is re injected into the tank through an over flow pipe A CAUTION The injection pump is an extre mely precise unit Water entry in the fuel system will cause major failure to the injection pump and to the whole fuel sy
32. ets etc 13 Clean the hull the hold and the drive if fitted 14 Check all control cables Use grease and rust inhibitor to pro tect the cables 15 Disconnect battery leads Ad just electrolyte level if necessary Charge the battery Store the bat tery in a dry place 16 Release belts tension 17 Spray the engine with water repellent product 18 Remove the propeller for stor age Check the overall condition of all components of the propul sion system Restarting the engine 1 Perform external cleaning of the engine and control its condition 2 Drain and change the engine and transmission oil 3 Change oil filters 4 Drain the coolant from the sea water system 5 Check the condition of the raw water pump impeller Change it if needed Install the impeller 6 Remove cloth and tape from openings Install the air filter 7 Close Tighten all plugs and drain cocks 8 Check the condition of hoses and clamps 9 Check the engine coolant level and its condition Top up if neces sary 10 Connect fully charged batteries 11 Check the anodes 12 Install the propeller 13 Check the operation of the con trol cables and their condition 14 Check belts Adjust the tension 15 Bleed the fuel system Once the boat is in the water 16 Open the sea cock and prime the seawater system if fitted 17 Start the engine Check for leaks and correct operation ES TROUBLESHOOTING
33. f excessive vibration are generated by the propulsion system return to the harbor at low speed and have your propulsion system checked by a qualified technician AUTOMATIC KICK UP FUNCTION ONLY IN STERN DRIVE VERSION The automatic kick up function re lease the drives if it grounds or hits an object in the water The function only protects the drive when running ahead forwards Operating the trim system ONLY IN STERN DRIVE VERSION The trim system allows to adapt the angle of the drive in relation to the transom It also allows to lift the drive for operation in shallow water or when depth is uncertain The position of the drive is shown on the trim indicator A CAUTION k Modifying the boat trim will affect its performance and its behavior when cruising k Avoid cruising at high speed when the drive is raise to the max in the trim range k On twin engine installation the drives must be raise in the lift range at the same time in the beach or in the lift range k The drive is protected against corrosion by anodes and a special paintwork Make sure not to damage the anode and check their condition regularly The trim system is operated using the trim control located at the control position It is generally inte grated to the control station NOTICE The model of control station and trim control can vary according the boat Informations are given as an example Control station and trim control ca
34. fe of the engine follow the instructions and warnings contained in this manual and in all documentation provided with the boat Ignoring them could result in damage to the engine or personal injury to you or others Please ensure that this Manual is always kept in the boat It should always be available to anyone else using the engine i e anyone renting borrowing or buying the engine from you Throughout the document the following symbols are used to ease the reading gt Indicates that the text is conti nued on the following page E Indicates the end of a section Content and updates All the informations and specifica tions in this Manual are based on the technical data applicable at the time of its publication Changes and updates may be made by Nanni without notice Illustrations are intended as a general guide and may vary from the equipment fitted in the engine in some details Some sections of the Manual do not apply to all engines If this is the case a text indicates which engines it applies to If there are any equipment details that are not shown or described in this Operator s Manual or if you have any questions about the operation of any equipment your authorized Nanni Dealer will be glad to inform you of correct care and operating procedures E SAFETY Read this chapter carefully as it concerns your safety Most acci dents are caused by failing to follow basic safety rules Be aware of the
35. gine They are intended to help you to quickly identify the location of certain components and avoid possible hazards when working on the engine Ensure these stickers are always visible and change them if neces sary Refers to important infor mations and instructions to follow before handling the engine IN Indicates possible electrical hazards A This icon indicates a risk of fire A Indicates hot parts entailing substantial risks of burns TAN Indicates an area containing pressurised fluids 89 Stipulates that no flames or sparks should be created in the vicinity AN Indicates hazardous rotating parts E Indicates the de aeration orifice s air bleed bu Indicates where to check the coolant level 0 Indicates where to check the engine oil level 2 Indicates the coolant drain X orifice Indicates the oil drain orifice n Safety precautions Exhaust gas Exhaust gases contain carbon monoxide This colourless and odourless gas is extremely har mful and could lead to poisoning which could result in loss of consciousness or death The first symptoms of carbon monoxide intoxication are as follows e Dizziness Nausea e Headache e Throbbing temples e Vomiting Fatigue and falling asleep e Tense muscles If you or anyone else in the vicinity of the engine experiences any of these symptoms leave the area of operation of the engine and find fresh air If the symptoms
36. ime the sys tem if necessary 6 Check the engine and trans mission oil level and fill with the recommended oil if necessary 7 Check the coolant level top up if necessary 8 Check the control cables grease the connections if neces sary 9 Check there are no fuel oil coolant or water leaks 10 Check the alternator belt 11 Switch ON the main switch 12 Lower the drive Stern Drive version only Starting the engine A DANGER The propeller can cause se rious injury when rotating Check that nobody is in the water near the propeller before starting k Never use a start spray or any other equivalent product These products are highly flammable A CAUTION k Always preheat the engine Never race the engine while it is cold k Do not crank the engine conti nuously for more than 10 se conds at a time Let it cool down for 2 minutes between cranking attempts Failure to follow these guidelines may result in starter motor burnout If the engine don t start after 3 attempts remove the key and drain the water in the waterlock Failure to do so may lead to wa ter ingress in the cylinders NOTICE When starting the engine for the first time let it run at idle for several minutes and check for leaks or malfunction Starting using booster batteries A CAUTION Make sure to use batteries with the same rated voltage as the engine s system voltage 1 Connect the jumper cable
37. ings to increased oil consumption Deposits may also form in the injec tion system if the engine do not reach its nominal operating tem perature regularly Run the engine at full throttle regu larly in order to burn off any possi ble deposits in the fuel system Manoeuvring A WARNING Shifting between ahead and astern should be done at idling speed Shifting at higher speed can damage the engine and the transmission and be dangerous for passengers A CAUTION On a twin engine boat both engines should be started during reversing manoeuvres to reduce the risk of water ingress in the stationary engine Carry out the following operations for forward reverse manoeuvres 1 Reduce engine speed to idling and if possible let the boat lose most of its speed 2 Move the control lever to the neutral position and wait a few seconds 3 Move the control lever into astern Increase the speed Cruising in shallow water Use extreme caution when cruising in shallow water or in areas likely to contain submerged objects that can hit the propeller the drive the hull etc After hitting a submerged object immediately switch off the engine and check the condition of the transmission the propeller shaft the drive and the tie bar Stern Drive version only and the hull A CAUTION A damaged tie bar may affect steering characteristics and in the worst case steering could be lost altogether I
38. m any mechanical constraints If the boat is connected to shore power the protector ground must never be in the boat Shore pow er should always have a ground fault circuit beaker Shore power units must be in tended for marine usage All equipment fitted with a protec tive ground terminal the engine along with the anodes must be connected to the common ground of the boat A DANGER For engine with a two pole electrical system the negative pole of the battery must never be connected to the common ground of the boat A CAUTION The Sail Drive model SP60 is electrically isolated from the engine Never connect the Sail Drive SP60 to the common ground or to any metal item or electrical equipment Amain switch must be connected to the positive circuit of the battery This switch must be switched off when the boat is not in use to cut off the power to all equipment A WARNING Never switch off the power of a corrosion protection system powered by a battery Engine anode In order to protect the engine and its raw water system from corro sion the engine is fitted with a zinc anode Intervals given in the service sched ule are recommendations Depend ing upon operating conditions and raw water properties it might be necessary to check and or change the anode more frequently To remove the anode A WARNING Carry out these operations when the engine is stopped and cold
39. mages due to free zing the cooling systems raw water and coolant must be drained when there s a risk a frost Refer to the corresponding chapters in the section MAINTENANCE and to the chapter LONG TERM STORAGE All these operations should be carried out by a Nanni authorized workshop ONLY IN STERN DRIVE VERSION Before removing the boat out of water raise the drive in the lift range and lock the transmission using the optional kit or any equi valent system Put the drive in the lift range and lock the transmission using the optional kit or any equiva lent system Note MAINTENANCE A WARNING As far as possible perform maintenance operations with the engine stopped remove the key from the panel and turn off the power supply Read this whole chapter and all safety precautions before starting any maintenance work Make sure you understand how to perform every operation This manual only describe preven tive maintenance operations to be carried out by the owner operator of the engine Carrying a set of preventive maintenance opera tions in accordance with the service intervals will ensure engine optimal reliability and service life During the warranty period it is essential that all work is carried out by a Nanni authorized workshop Furthermore all servicing should be registered in the Nanni after sale system However some regular checks particularly those made each time the engi
40. n be diffe rent When cruising press the button ZJ upward to raise the bow Press the button downwards to lower the bow Press the button n to lift the drive in the beach or in the lift range A CAUTION The max engine speed allowed when the drive is in the beach range is 1000 rpm Stopping the engine A CAUTION Never stop the engine by using the main switch This could da mage the electrical system Before stopping the engine let it run at idle in neutral for few mi nutes especially if the engine has been operated at high speed and load This will allow the coolant to cool down the engine 1 Start the fan in the engine compartment if fitted or open the hold 2 Turn the key on the panel counter clockwise The engine stops all lamps go out For panel without key press the ON STOP button and release it 3 Turn the key of the main panel counter clockwise All indicators turn off A CAUTION Even after the engine has stopped some components and fluids remain hot and pressuri sed for several minutes As far as possible limit work on the en gine immediately after stopping it when it is hot After the engine has stopped 1 Switch off the main switch 2 Close the sea cock and the fuel cock 3 Inspect the engine compart ment and check for any leaks A CAUTION k If the boat is being towed stop the engine and close the Sea cock to prevent the engine from being filled with raw
41. ne is used can only be carried out by the user Few other operations are explained further on so that you can work on the engine in an emergency or if there is no repair centre nearby We recommend to have all your works checked by a Nanni author ized workshop Independent repair and adjust ment work on the engine beyond a limited scope is forbidden for safety reasons Improper work endangers the per son working on the engine and the others Particularly operations on valve timing and injection system NOTICE The service intervals and relevant informations concern ing the preventive maintenance of the transmission are indicated in the user manual provided by the manufacturer of the transmis sion Contact your Nanni dealer for further information regarding the maintenance of the transmission The hourmeter displays the operat ing hours of the engine Service schedule NOTICE An operation requiring service every day requires service after 100 hours or every year and so on Some components may not be part of the engine ordered Operations marked with should be done in a Nanni workshop Operations to perform after 20 operating hours or 45 days after commis sioning BEFORE OPERATING THE ENGINE m Check the engine amp transmission oil level Top up if necessary m Check the coolant condition and coolant level Top up if necessary Check the raw water filter and clean as necessary Drain water
42. ollowing the manufacturer recommendations 5 Drain the cooling system of the transmission lubrication circuit if fitted 6 Drain the waterlock and any other equipment connected to the raw water and exhaust system 7 Reinstall correctly all compo nents Open the sea cock and check for leaks Prime the raw water system by adding water through the raw water filter if necessary Raw water system Cleaning and inhibiting The raw water system must be flushed with fresh water to prevent the buildup of deposits and salt crystals in the circuit It must also be protected against corrosion and frost when performing long term storage 1 Stop the engine and close the sea cock 2 Disconnect the hose on the outlet side of the raw water filter 3 Place the free hose in a con tainer filled with fresh water En sure the tank is large enough as the raw water pump must never be run without water 4 Check that no one is in the vicinity of the engine the propel ler and the exhaust outlet Put the lever in neutral and start the engine 5 Let the engine run few minutes at idle Add fresh water in the container if necessary 6 Stop the engine 7 Fill the container with engine coolant mix 50 clean water 50 anti freeze 8 Start the engine and let it run at idle Add enough coolant to fill the raw water system with coolant 9 Stop the engine before the container is empty 10 Reconnect the hose
43. operating temperature and prevent overheating On some engines the cooling system also cools the fuel the oil or the intake air The cooling System is made of two circuits The COOLANT CIRCUIT which is the engine s internal cooling system It s a closed circuit in which coolant flows and cools the engine The RAW WATER CIRCUIT which cools the coolant via heat exchange with raw water Nanni engines comes as standard with an heat exchanger in which the coolant is cooled by heat exchange with raw water taken from a sea cock A Keel Cooling System can also be used to cool the coolant instead A thermostat maintains the coolant at a proper and constant operating temperature With thermostat con trol the coolant only enter the heat exchanger when the engine reach a certain temperature A CAUTION Operating the engine without coolant or raw water supply even for few seconds will lead to complete engine failure Operation principle of the cooling system Operation principle of an engine with heat exchanger Exhaust elbow Heat exchanger Recovery tank if fitted Coolant pump Raw water pickup Engine raw water pump Raw water filter Coolant A CAUTION k Always use coolant made of 50 antifreeze with anticorro sion additive and 5096 of clean water The antifreeze protects the engine against internal cor rosion k This mix must be used all year around even if there is no risk of frost
44. persist consult a doctor and have the en gine checked Ensure the exhaust circuit correctly expels the gas produced by the engine Regularly check that the exhaust circuit is free of leaks and that the exhaust elbow is in good condition Burns Never touch the hot parts of the engine An operational engine gets very hot the exhaust system tur bocompressor if equipped starter oil sump oil coolant in the hoses and pipes are hot and can burn Fluids ejected under pressure can cause serious injury Release all the pressure in the circuits before removing the caps Never open the oil circuit and coolant caps when the engine is operational and or hot Never start or run the engine when the oil fill and coolant caps are not screwed on as hot oil or coolant could spray out If you come into contact with any of these fluids consult a doctor immediately If the engine gets too hot switch it off and disconnect it and wait for it to cool down before checking for failure Fire Do not smoke near the engine and keep it away from sources of igni tion flames or sparks or any other potential flammable vapour or liquid sources Do not run the engine without the air filter Do not run the engine in an area in which flammable or explosive materials are stored or where gas is present Ensure there are no flammable liquids in the engine compartment Immediately clean up any liquids spilled and keep the engine com partm
45. re warning lamp goes out 6 Stop the engine wait for the en gine to cool down and check the oil level Top up if necessary Power assisted steering oil level STERN DRIVE VERSION ONLY The tank mounted on the engine allows to check the oil level of the power steering 1 Remove the plug wipe clean the dipstick 2 Replace the plug and remove it again 3 Check that the oil level is be tween the Mini and Max mark If the level is too low fill to a safe operating level as indicated by the dipstick Do not exceed the maximum level Use special fluid for power assisted steering or Dextron IIl automatic transmission fluid Replace the fill cap and dipstick Stern Drive gear lube A CAUTION k Damage to the Stern drive unit may occur due to lack of lubrication k If any water is visible at the bottom of the gear lube monitor or if the gear lube appears disco lored stop the engine except in case of emergency and contact a Nanni workshop It may indi cate a water leak in the Stern drive unit Check the gear lube with the en gine cold before starting 1 Check the gear lube monitor to determine the gear lube level The level should be between the max and min marks ETT 2 Add gear lube if necessary Re move the gear lube monitor cap and add high performance gear lube for Stern Drive Cooling system Overview The cooling system cools the en gine in order to maintain a proper
46. rview About the engine Engine identification Both the engine and the transmis sion has an identification plate that contain several informations Keep these plates accessible and in good condition Record and keep the engine and transmission serial number and designation These numbers should always be quoted when ordering service and replace ment parts The engine identification plate is as follow d Y NS 4 TYP indicates the commercial designation of the engine NR indicates the engine serial number CODE lists various specifications of the engine Break in Operate the engine with care for the first 50 hours of operation Do not race the engine while it is cold Do not operate it at full load except for short periods Never run the engine at constant engine speed for long periods during the break in period Check the oil and coolant level frequently during the running in period The oil consumption can be more important during the running in period Engine installation The installation must be carried out by an authorized Nanni workshop in accordance with the installation instructions Correct installation of the engine is of the greatest importance for safe navigation and protection of the environment It also ensure maximum service life under normal conditions of use Engine damage caused by failure to follow installation instructions is not covered by the warranty
47. s this indicates an electrical problem Don t start the engine except in case of emergency and contact a Nanni workshop Boats with metallic hulls Engines in metallic hulls are gener ally fitted with a two pole electri cal system This system allows to electrically isolate the engine from the electrical ground of the boat Contact your Nanni dealer for more informations Battery EP A DANGER k Never touch the battery electrolyte The diluted sulphu ric acid solution burns skin and make holes in clothing Should this occur immediately wash it off with plenty of clean water and obtain medical assistance without delay k Disconnect the battery leads before carrying out any soldering work on metallic hull Always read the manufacturer recommendations before operating the battery Battery should be kept clean and dry Oxidation or the deposit of impurities on the battery and on its terminals may lead to short cir cuits voltage drops and premature discharging notably in wet weather Use a brass brush to clean battery terminals When DISCONNECTING the starter cables always disconnect FIRST the NEGATIVE LEAD and then the POSITIVE Always CONNECT FIRST the POSITIVE LEAD to the POSI TIVE TERMINAL of the battery and then the NEGATIVE Use distilled water to top up the electrolyte level Follow in priority the battery manufacturer ins
48. s that all engines of the same type that are manufac tured are approved and certified by the authorities in accordance with different exhaust emissions stan dards However for the engine to be in ac cordance with this standards spe cial requirements for maintenance and service are to be followed Only Nanni replacement parts must be used Maintenance intervals must be observed The engine must not be modified in any way except with accesso ries and service kits approved by Nanni Industries S A S France Service of the fuel system must always be carried out by an au thorized Nanni workshop No modifications to the air intake and exhaust system may be undertaken Seals may only be broken by authorized personnel The operation instructions stated in the relevant manuals should be follow by the user Nanni s responsibility for the engine specification being in accordance with the certification will be invali date if one or several of this condi tions are not followed Environmental responsibility Nanni designs its engines to have minimum environmental impact This objective however can only be achieved with your full coopera tion Our operating and maintenance instructions are to help you to pro tect your engine and adopt environ mentally responsible behaviour Ensure you only use the fuels and oils recommended Using ano ther type of fuel or oil could cause major malfunctions an higher
49. splay integrated to the hourmeter allows you to view several information The structure of the menus is describe hereafter Navigate through menus using W A and MODE NOTE The LCD display has been set up during the installation of the en gine Some functions may not be available for your display It is not recom mended to change the settings in edit mode Main menu Engine rpm Trim position Hourmeter Current trip time Immediate fuel con sumption Remaining fuel Alternator voltage Clock Course over ground Coolant temperature Oil pressure Setting Reset fuel used Trip data Contrast Lighting Edit mode Fuel setup Cal speedo Cal Trim Max speed Display setup Data sources Pop up alerts Alterts setup Systel setup Note EI OPERATION Before starting A WARNING Put all the protective covers back before starting the engine A CAUTION k Open the sea cock if equip ped before starting the engine The raw water pump impeller will be damaged if it runs dry even for few seconds and may lead to engine overheating Perform all of the following opera tions before starting the engine 1 Open sea cock if fitted Prime the raw water system if neces sary 2 Start the compartment fan if fitted for at least five minutes Otherwise open the hold 3 Check that there is sufficient fuel 4 Move the control lever to the neutral position 5 Open fuel cock pr
50. stem A fuel prefilter with a water separa tor should be installed between the fuel tank and the fuel filter on the engine The prefilter should be installed as close as possible to the engine fuel filter It must never be installed on the engine as vibra tions affect the water fuel separa tion process If the fuel tank is located below the engine injection pump an addition al electric fuel feed pump should be installed between the prefilter and the feed pump of the engine Fuel requirements Only use grade of fuels indicated in the chapter TECHNICAL DATA Other grades of fuel can increase fuel consumption and cause operating problems resulting in a shorter engine service life Use of fuel additives can result in poor performance or engine dam age Before starting the engine make sure that the fuel level is above the lower limit If the fuel level is too low add fuel to the upper limit Do not overfill Use a strainer when filling the fuel tank Dirt and dust in the fuel will cause trouble in the fuel injection system If the boat is not used for an ex tended period fill the tank to the maximum level Fuel prefilter The fuel prefilter is an optional ex tra not in the scope of supply of the engine The model of prefilter can vary according the boat NOTICE Drain the water in the prefilter several hours after the engine has been stopped 1 Close the fuel cock on the fuel tank
51. te effectively in cold weather However for effective starting and cold weather operation extra care are necessary Contact your Nanni dealer for additional infor mation and local availability of cold weather aids Winter grade fuel allows to protect the injection system when tempera tures fall below 5 C 40 F Winter grade fuel is best suited for cold weather operation thanks to its lower cloud and lower pour points However using winter grade fuel may reduce power and fuel efficien cy as winter grade fuel has a lower BTU heat content rating Check the grade of fuel being used before troubleshooting for low power com plaints in cold weather operation In all cases fuel quality and fuel sulfur content must comply with all existing emissions regulation for the area in which the engine operates Oil viscosity Use seasonal grade viscosity engine oil based on the expected air temperature range between oil changes Follow the diagram below to adapt the oil viscosity 50 C 122 F 40 C 104 F T 30 C 86 F g 20 C 68 F z er 10 C HH 50 F wg o6 z 0 C 32 F w o e li 2 10 C 14 F wo vu 20 C 4 F 30 C HH 22 F 40 C HH 40 F As an option some engines are available with an air intake hea ter to aid cold weather starting Contact your Nanni dealer for more informations Engine homologation The engine type can be exhaust emission certified It means that Nanni guarantee
52. tem Refer to the chapter TECHNICAL DATA to know the coolant capac ity of the heat exchanger For Keel Cooling system or when using a water boiler the coolant capacity must be adapted according to the pipes length and the tank capacity To fill the coolant system 1 Turn the coolant filler cap El slowly to the first stop and let any pressure escape from the system then remove the cap 2 Check that the drain plugs are properly tightened 3 Add coolant through the heat exchanger filler port to the correct level A CAUTION If a boiler is connected to the engine follow the filling proce dure given by the manufacturer of the boiler If the boiler is above the engine in the boat first fill the heat exchanger the boiler and top up with coolant the recovery tank located above the boiler k Make sure not to overfill the heat exchanger when filling with coolant If too much coolant has been added drain part of the coolant 4 Check the coolant level in the recovery tank if fitted Top up if necessary 5 Start the engine and let it oper ate few minutes at idle Stop the engine wait few minutes and check the coolant level in the heat exchanger and in the recov ery tank if equipped Top up if necessary Raw water system n n A DANGER When the boat is in the water water can flow into the boat via components located below the waterline Close the raw water cock if fitted
53. ter A raw water filter must be fitted be tween the raw water intake and the raw water pump of the engine The model of prefilter can vary ac cording the boat as the raw water filter is an optional extra not in the scope of supply of the engine These instructions are given as an example only Check the raw water filter more regularly than indicated in the serv ice schedule if the boat is used in water with lot of dirt and or mud To clean the filter 1 Stop the engine remove the key from the panel and close the sea cock 2 Check the condition of the raw water filter If deposits have formed screw off cover and re move seal plate 3 Remove all the contaminants Rinse the filter and the housing with fresh water and check the condition of the seal 4 Reinstall all the components and open the sea cock Start the engine and check for leaks NOTICE When the boat is out of water check that the through hull is not obstructed by mud or algae Raw water system Draining A WARNING It is highly recommended to carry out these operations when the boat is laid up on land If the boat cannot be removed from the water close the sea cock and prevent water entry by any means 1 Stop the engine remove the key from the panel and close the sea cock 2 Remove the cover of the raw water pump 3 Remove the cover and the seal from the raw water filter 4 If a siphon breaker is fitted drain it f
54. the engine and engage the starter nannidiesel ON STOP START On some boats a panel without key is used as an additional instrument panel in Flying Bridge position A main panel fitted with a key switch generally located in the wheelhouse is used to prevent unauthorized starting from the addi tional panel To start the engine us ing the additional panel the key of the main panel should be switched to IGNITION position Engine oil pressure indicator NOTICE This indicator does not show the engine oil level This indicator shows the oil pressure in bar and psi If the oil pressure in the lubrication circuit is too low the acoustic alarm sounds and the corresponding warning lamp comes on A CAUTION k If this alarm comes on while operating the engine stop the engine except in extreme emer gencies and check the engine oil level and the oil filter condi tion k Operate the engine when the oil pressure is too low can lead to severe engine damage Do not operate the engine if the problem persist and contact a Nanni workshop as soon as pos sible Coolant temperature indicator Indicates the coolant temperature in Celsius and in Fahrenheit degrees If the coolant temperature is too high the acoustic alarm sounds and the corresponding warning lamp comes on A CAUTION k If this alarm comes on while the engine is running stop the engine except in extreme emer gencies and check th
55. the lever is too hard to operate turn the crankshaft a frac tion of a turn 4 Continue pumping and at the same time tighten the venting Screw 5 Pump few other times to prime the system To bleed the fuel system IF IT IS FITTED WITH AN ADDITIONAL ELECTRIC FUEL FEED PUMP 1 Fill totally the fuel tank Open the fuel cock 2 Loose the venting screw Use rags around the venting screw 3 Start the engine for 5 to 10 sec onds to let the electric fuel feed pump bring fuel to the injection pump 4 Pump the fuel using the lever El until fuel free of air bubbles flows from the venting screw 5 Continue pumping and at the same time tighten the venting Screw 6 Pump few other times to prime the system A CAUTION Avoid draining all fuel in the filter Lubrication system A CAUTION Never over fill the engine oil crankcase NOTICE With a new or recon ditioned engine oil and oil filters must be changed after 20 hours of operation Use oil grades quality indicated in the chapter TECHNI CAL DATA Warranty claims may be rejected if unsuitable oil grade has been used The viscosity may be adapted de pending the climatic conditions Oil level Adding engine oil Check the engine and transmission oil level before starting the engine Always make sure that the level is in the safe range The oil level should be within the range indicated on the dipstick between the Mini and Max level To
56. to the positive pole of the flat battery then to the positive pole of the booster battery 2 Connect the jumper cable to the negative pole of the booster battery Then connect the other end of the cable to a bolt on the clutch of the engine block A DANGER On an engine with a two pole electrical system connect the other end of the jumper cable to the negative pole of the booster battery 3 Start the engine following the starting procedure 4 Let the engine run at idle for few minutes to charge the battery 5 Stop the engine and remove the cables in the exact reverse order from installation Panel with key 1 Move the control lever to the neutral position 2 Insert the key in the ON STOP starter switch 3 Turn the key a quarter turn to the right All the warning lamps come on and the acoustic alarm sounds After a few seconds only the ENGINE OIL PRESSURE and BATTERY CHARGE LAMPS remain lit 4 Press fully the START button to start the engine Once the engine has started release the button all lamps go out 5 If the engine is fit with water cooled exhaust elbow check that water flows from the exhaust outlet at the hull If the water does not flow stop the engine and check the raw water system Panel without key 1 Switch the key of the main panel to ignition if equipped 2 Move the control lever to the neutral position 3 Press the ON STOP button All th
57. truc tions for topping up If the battery electrolyte level is not adjustable maintenance free battery type do not use or charge the battery if the fluid level stands below the lower limit level When adding electrolyte unscrew the vent plugs but leave them in their holes A DANGER Check that the battery compart ment is well drained and venti lated When charging battery produces hydrogen which is extremely explosive If the battery is replaced use a battery with similar specifications to the previous one To simultaneously charge two independent battery with a single alternator an isolator is available as an option on most engines Contact an authorized Nanni dealer When storing the engine adjust the battery electrolyte level and store it in a dry place Recharge the battery as often as possible to extend its service life Alternator belt A DANGER Stop the engine and remove the key before servicing the alterna tor belt NOTICE Always keep a replace ment belt on board The alternator belt drives both the coolant pump and the alternator Additional belt can also be fitted A loosen or damaged belt can result in overheats or insufficient alternator charging A belt that is too tight can damage the bearings in the pump and the alternator Visually check the belt for exces sive wear frayed cords etc If any defect has been found change the belt Check that it fits properly
58. water With a Stern Drive propulsion system put the drive in the LIFT RANGE k On twin engine installation if cruising with a single engine close the sea cock of the stop ped engine Do not forget to open it again before restarting the engine Anchoring When the boat is at anchor or in port for extended period vegetation may develop on the hull the keel the drive the rudder the propel ler etc It will significantly affect the behaviour of the boat and the performance of the engine if the vegetation is not removed before the next time the boat is used Vegetation and fouling can also obstruct the raw water system and result in damage to the engine by overheating Inspect and clean the boat and the raw water system each time the engine is used Clean if necessary If the boat is put out of water clean the hull and spray a coat of anti fouling Never paint the anodes Furthermore when the boat is at anchor or in port for extended period water can fill the exhaust system via the exhaust outlet It is necessary to drain regularly the wa terlock when the boat is at anchor Storage If the boat is being left in the water while not in use for few weeks the engine must be controlled and run few minutes every 10 days If the boat will not be used for more than 2 months special set of operations must be performed on the engine and the transmission Refer to the chapter LONG TERM STORAGE To prevent da
Download Pdf Manuals
Related Search