Iveco N60 Ent M37 Users Manual N4 N6 MARINO ELET_ENG

2015-03-12

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copertina NEF series electronic 20-11-2006 10:04 Pagina 1
C

CY CMY

USE AND MAINTENANCE
USO E MANUTENZIONE
UTILISATION ET ENTRETIEN
BETRIEB UND WARTUNG
USO Y MANTENIMIENTO

NEF

SERIES

E LECTRONIC INJECTION S YSTEM
MARINE ENGINES

Publication edited by
Marketing - Adv. & Promotion
Print L31900018 - 10/06

Colori compositi

NEF SERIES

INTRODUCTION

ELECTRONIC INJECTION
SYSTEM
N40 ENT M25
N60 ENT M37
N60 ENT M40
N67 ENT M45

The contents of this manual refer to the standard configuration of the
engine, and the illustrations are purely indicative. Some instructions are
provided by giving the sequence of operations to be carried out in order
to allow the engine and/or its fittings to perform in a certain way. In
some cases they will be dependent on the configuration of the
commands and the set-up of the vessel on which the engine is installed;
for any points that differ from the contents of this manual, please consult
the instructions provided by the Boatbuilder or a specific manual.
The information provided below was current at the date of publication.
The Manufacturer reserves the right to make modifications at any time
without prior notice, for technical or commercial reasons or to update
the engines to comply with legal requirements in the various Countries.
The Manufacturer declines all liability for any errors or omissions.

USE AND MAINTENANCE

Please remember that the IVECO MOTORS Technical Service
Network is available to offer you its experience and professional skills,
wherever you may be.

ENGLISH

We would like to thank you for buying an IVECO MOTORS product,
and compliment you on your choice of engine.
Before you carry out any operation involving the engine or its fittings,
please read the contents of this manual carefully; compliance with the
instructions provided in the manual is the best way to guarantee troublefree, long term operation of the engine.

CONTENTS

Page

GENERAL INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Guarantee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Engine technical data N40 ENT M25. . . . . . . . . . . . . . . . . . . . . . . .4
Engine technical data N60 ENT M37/M40 . . . . . . . . . . . . . . . . . . .6
Engine technical data N40 ENT M25. . . . . . . . . . . . . . . . . . . . . . . .8
Signs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
USE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Preliminary checks. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Starting and stopping the engine . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Starting and stopping the engine from
the analogue control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Recognising alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Starting and stopping the engine from
the digital control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Recognising alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Managing the engine from the Relay box . . . . . . . . . . . . . . . . . . .21
Proper use of the engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Special warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Running in . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
Refuelling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
CONTROLS AND MAINTENANCE . . . . . . . . . . . . . . . . . . . . .25
Maintenance personnel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Accident prevention . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Frequency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
How to proceed. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Moving the engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Disposal of waste . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35

LONG PERIODS OF INACTIVITY . . . . . . . . . . . . . . . . . . . . . . .36
Preparing the engine for a long period of inactivity . . . . . . . . . . .36
Restarting the engine after a long period of inactivity . . . . . . . . .37
ENGINE MALFUNCTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
EMERGENCIES ON BOARD . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
IN APPENDIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil viscosity level according to surrounding temperatures . . . . . . .

SAFETY

GUARANTEE

The following information is intended to encourage caution when using
the engine, so as to avoid damage to persons or property as a result of
improper or incorrect behaviour.

In order to ensure that your engine gives the best possible performance
and to take advantage of the IVECO MOTORS guarantee, you must
follow the indications provided in this publication with great care; failure
to do so may result in invalidation of the guarantee.

The engines must only be used for the purposes indicated by the
Manufacturer.
Any tampering, modification and use of non-original spare parts
may compromise proper operation of the engine and safe
navigation; never, under any circumstances make
modifications to the wiring and to the units equipping the engine,
or connect them to other power systems.
Pay particular attention to moving parts of the engine, to high
temperature components and to circuits containing pressurised
fluids; its electrical equipment houses electrical currents and
voltage.
The exhaust fumes produced by the engine are bad for your health.
The engine must only be moved using suitable lifting tackle, making
use of the U-bolts provided on the engine for that purpose.
The engine must not be started up and used until the vessel in
which it installed has satisfied all necessary safety requirements, or
until the vessel has been guaranteed to comply with local laws and
regulations.
The operations required to guarantee the best possible use and
preservation of the engine must only be carried out by persons of
proven experience, equipment with tools considered suitable by
IVECO MOTORS.

SPARE PARTS
Always use Original IVECO MOTORS Spare parts. This is essential to
keep the engine in original running order.
The use of non-original spare parts will not only invalidate the guarantee,
but will mean that IVECO MOTORS will not be considered liable in any
way during the whole working life of the engine.

LIABILITY
The Manufacturer will only be considered liable subject to performance
of the control and maintenance operations indicated and described in
this manual; to this effect, proof that these operations have been
performed must be provided. Any special maintenance operations that
may be necessary must be carried out by qualified technicians from
authorised Workshops in the IVECO MOTORS Network, using the
instruments and equipment provided for the purpose.

For the purpose of safety, further recommendations are given in the
chapter CONTROLS AND MAINTENANCE.

ENGLISH

GENERAL INFORMATION

ENGINE TECHNICAL DATA N40 ENT M25
The technical code and serial number are indicated on a plate, which is
located on different parts of the engine, according to the model: flywheel
casing, tappet cover, coolant tank.
Code

N40 ENT M25

Engine family

Cycle

4-stroke diesel

Number and arrangement
of cylinders

4, in line

Bore x stroke

102 x 120 mm

Total displacement

3.900 cm3

Air system

Supercharged aftercooled
(TCA or TAA)

Injection type

Direct/Common rail
electronically managed

Engine direction of rotation

Anticlockwise
(seen from flywheel side)

Dry weight

490 kg

Electrical system

12 V (24 V on request)

Accumulator/s
- capacity
- discharge current

180 Ah or above
800 A or above

Available settings (*)

N40 ENT M25

184 kW (250 CV) @ 2800 rpm

147 kW (200 CV) @ 2800 rpm

125 kW (170 CV) @ 2800 rpm

(*)Net power to the flywheel in compliance with ISO 3046-1. Test
conditions: T 25 °C; atmospheric pressure 100 kPa; relative
humidity 30%.
WARNING
Any alteration of the above mentioned characteristics, in particular
modification of the data stored in the injection system electronic
units or the characteristics of the engine and its fittings, is strictly
prohibited, penalty invalidation of the guarantee and absence of
all liability on the part of IVECO MOTORS.

ENGLISH

04_363_N

04_364_N

Engine NEF N40 ENT M25

1. Exhaust gas and sea water discharge - 2. Turbocharger - 3. Engine
coolant-sea water heat exchanger - 4. Coolant outlet manifold from
engine - 5. Oil filter - 6. Lifting U-bolt - 7. Coolant filler cap 8. Thermostat valve location - 9. Alternator - 10. Manifold
connecting the cooling circuit to the coolant tank - 11. Coolant
infeed to engine - 12. Water-heater system tap or plug 13. Connection to battery positive terminal - 14. Coolant discharge
plug - 15. Electrical starter motor - 16. Removable anode.

1. Coolant expansion tank - 2. Oil extraction pump - 3. Oil dipstick 4. Oil filler cap - 5. Common rail divider - 6. Sea water pump inlet 7. Lifting U-bolt - 8. Oil vapour filter - 9. Sea water circuit connector
pipe - 10. Air filter - 11. High-pressure pump for common rail system 12. Fuel inlet from tank - 13. Fuel outlet to tank - 14. Fuel filter 15. Removable anode - 16. Accelerator voltage divider lever - 17. Sea
water discharge plug - 18. Auxiliary member pulley casing.

ENGINE TECHNICAL DATA N60 ENT M37 / M40
The technical code and serial number are indicated on a plate, which is
located on different parts of the engine, according to the model: flywheel
casing, tappet cover, coolant tank.
Code

N60 ENT M37 / M40

Engine family

Cycle

4-stroke diesel

Number and arrangement
of cylinders

6, in line

Bore x stroke

102 x 120 mm
3

Total displacement

5.900 cm

Air system

Supercharged aftercooled
(TCA or TAA)

Injection type
electronically

Direct/Common rail
managed

Engine direction of rotation

Anticlockwise
(seen from flywheel side)

Dry weight

595 kg

Electrical system

12 V (24 V on request)

Accumulator/s
- capacity
- discharge current

180 Ah or above
800 A or above

Available settings (*)

N60 ENT M37

272 kW (370 CV) @ 2800 rpm

243 kW (330 CV) @ 2800 rpm

199 kW (270 CV) @ 2800 rpm

Available settings (*)

N60 ENT M40

294 kW (400 CV) @ 3000 rpm

272 kW (370 CV) @ 3000 rpm

243 kW (330 CV) @ 3000 rpm

199 kW (270 CV) @ 3000 rpm

ENGLISH

04_352_N

04_353_N

Engine NEF N60 ENT M37/M40

1. Exhaust gas and sea water discharge - 2. Turbocharger - 3. Engine
coolant-sea water heat exchanger - 4. Coolant outlet manifold from
engine - 5. Oil filter - 6. Lifting U-bolt - 7. Coolant filler cap 8. Thermostat valve location - 9. Alternator - 10. Manifold
connecting the cooling circuit to the coolant tank - 11. Coolant
infeed to engine - 12. Water-heater system tap or plug - 13. Coolant
discharge plug - 14. Connection to battery positive terminal 15. Electrical starter motor - 16. Removable anode.

1. Coolant expansion tank - 2. Oil extraction pump - 3. Oil filler cap 4. Oil dipstick - 5. Common rail divider - 6. Sea water pump inlet 7. Lifting U-bolt - 8. Oil vapour filter - 9. Sea water circuit connector
pipe - 10. Air filter - 11. High-pressure pump for common rail system 12. Fuel inlet from tank - 13. Fuel outlet to tank - 14. Fuel filter 15. Removable anode - 16. Accelerator voltage divider lever - 17. Sea
water discharge plug - 18. Auxiliary member pulley casing.

ENGINE TECHNICAL DATA N67 ENT M45
The technical code and serial number are indicated on a plate, which is
located on different parts of the engine, according to the model: flywheel
casing, tappet cover, coolant tank.

Available settings (*)

N67 ENT M45

331 kW (450 CV) @ 3000 rpm

309 kW (420 CV) @ 3000 rpm

Code

N67 ENT M45

272 kW (370 CV) @ 3000 rpm

Engine family

258 kW (350 CV) @ 3000 rpm

Cycle

4-stroke diesel

Number and arrangement
of cylinders

6, in line

Bore x stroke

102 x 120 mm

Total displacement

5.900 cm3

Air system

Supercharged aftercooled
(TCA or TAA)

Injection type
electronically

Direct/Common rail
managed

Engine direction of rotation

Anticlockwise
(seen from flywheel side)

Dry weight

595 kg

Electrical system

12 V (24 V on request)

Accumulator/s
- capacity
- discharge current

180 Ah or above
800 A or above

ENGLISH

04_352_N

04_353_N

Engine NEF N67 ENT M45

1. Exhaust gas and sea water discharge - 2. Turbocharger - 3. Engine
coolant-sea water heat exchanger - 4. Coolant outlet manifold from
engine - 5. Oil filter - 6. Lifting U-bolt - 7. Coolant filler cap 8. Thermostat valve location - 9. Alternator - 10. Manifold
connecting the cooling circuit to the coolant tank - 11. Coolant
infeed to engine - 12. Water-heater system tap or plug - 13. Coolant
discharge plug - 14. Connection to battery positive terminal 15. Electrical starter motor - 16. Removable anode.

SIGNS
Certain warning signs are affixed to the engine, and their meanings are
indicated below.
NOTE: The signs with an exclamation mark on them underline a
potential danger.

Lifting point (engine only).

Danger of burning:
Expulsion of hot water under pressure.

Fuel Cap
(on the fuel tank, if there is one).

Danger of burning:
Presence of high temperature parts.

Oil Cap.

Danger of fire:
Fuel present.

Danger of impact or catching
on moving parts:
Presence of fans, pulleys, belts or the like.

Oil dipstick.

STARTING AND STOPPING THE ENGINE

PRELIMINARY CHECKS

For vessels equipped with instrument panels that
are not manufactured by IVECO MOTORS
The start-up and shut-down operations described below apply to an onboard control panel manufactured by IVECO MOTORS; if the vessel is
fitted with an instrument panel that has been customised by the
Boatbuilder or Fitter, these operations may vary according to the various
choices made during construction. In these cases, follow the start-up/
shut-down sequence and use the instrument panel description provided
by the Boatbuilder on specific documentation.

Before starting the engine each time:
Make sure that the sea-water inlet valve is open. Operation of the
sea water pump without water would cause irreparable damage to
the internal rotor within a very few seconds.
Check the level of technical fluids (fuel, engine oil and coolant).
CAUTION!
Before starting the engine, make sure that no
combustible vapours or gasses are present in the
engineroom.

ENGLISH

USE

STARTING AND STOPPING THE ENGINE
FROM THE ANALOGUE CONTROL PANEL
2

Procedure for start-up from the main IVECO
MOTORS control panel (supplied on demand)

5
4

Make sure that the electrical switch indicating ENGINE ROOM BRIDGE on the Relay Box unit (normally located in the engine room) is
in the BRIDGE position, then proceed as follows:
1. Lift the protective cover over the key switch (8), insert the key and
turn it to the right to position 8B.
2. Make sure that the analogue instruments are showing values that
conform with the relevant physical parameters (temperature,
battery voltage and oil pressure).
3. Wait for the beeper to stop sounding and for the alarm indicator
lights on the indicator module (5) to switch off, with the exception
of the “alternator recharge” and “low oil pressure” indicators. At
the same time, check that the indicator test has been performed
successfully (information on how to interpret this test and
indications on the module are given in the relevant paragraph).
4. Turn the key to position 8C; once the engine has started, release
the key and do not accelerate.
5. Make sure that the analogue instruments are showing values that
conform with the relevant physical parameters (temperature,
battery voltage and oil pressure).
6. If the engine does not start, after releasing the key it will only be
possible to turn it back to the start position after first returning the
switch to the rest position 8A.

04_354_N

1. Coolant temperature indicator - 2. Rev counter and hour counter 3. Voltmeter - 4. Beeper - 5. Indicator and alarm module - 6. Engine oil
pressure indicator - 7. Control panel instrument light switch - 8. Key
switch to start/stop the engine - 9. Button to stop the engine 10. Button to disable the beeper.
Detail of the key switch

8B
8C
04_356_N

1. Enable the secondary control panel, by turning the key
switch on the main panel to position 8B (see warnings and
procedure given in previous paragraph).
2. Wait for the beeper to stop sounding and for the alarm indicators
on the indicator module (3) to switch off, with the exception of the
“alternator recharge” and “low oil pressure” indicators. At the same
time, check that the indicator test has been performed successfully
(information on how to interpret this test and indications on the
module are given in the relevant paragraph).
3. Press the green button (5) and release it when the engine has
started.
4. Check that the rev indicator shows a plausible value.

ENGLISH

Procedure for start-up from IVECO MOTORS
secondary or fly-bridge control panel (supplied on
demand)

4
5

04_355_N

1. Rev counter and hour counter - 2. Beeper - 3. Indicator and alarm
module - 4. Button to disable the beeper - 5. Engine start button 6. Engine stop button.

Stopping the engine
Before stopping the engine it is recommended you run it for a few
minutes at minimum speed with no load; this will allow the temperature
to drop evenly and will avoid harmful thermal shocks.
A. The engine is normally stopped from the main IVECO MOTORS
control panel by turning the key switch to the rest position 8A or
by turning a similar command on the customised control panel.
B. The IVECO MOTORS secondary control panel is stopped by
pressing the red button (6) on the control panel.
The main IVECO MOTORS control panel for engines equipped with an
“excited” device (on request or as prescribed by the Certification
Body), is stopped by pressing the red button (9).
To re-start the engine from the main control panel:
1. Return the key switch to the rest position 8A to reset all the onboard control panel functions.
2. Proceed as indicated.
To re-start the engine from the secondary control panel:
1. Make sure that the panel has been enabled (key switch on the main
control panel turned to position 8B).
2. Press the green button (5) and release it when the engine has
started, making sure that the rev indicator is showing a plausible
reading.

RECOGNISING ALARMS
IVECO MOTORS on-board control panels with analogue instruments
are fitted with an electronic module that includes the indicator lights and
the interface, timer and alarm storage circuits.
The figure illustrates the dial and the key indicates the meaning of the
alarm signals sent by all the indicator lights; some types of engine and
relevant equipment only make some of the above mentioned functions
available.
If the Boatyard uses different technical options there may also be
changes to the above.

ENGLISH

Operation
When the key switch is turned to position 8B the signals and alarms
module will perform an efficiency test on all the indicator lights, lasting 5
seconds, with the exception of the “Pre-lubrication”, “Pre-post heating”,
“EDG system malfunction” indicators, and simultaneously the beeper
sounds.
It is possible to stop the beeper before the end of the test, by pressing
the relevant button.
During start-up and for the following 15 seconds, all alarm functions are
disabled; after this period, each alarm detected by the sensors provided
on the engine will result in the relevant indicator flashing and a
simultaneous warning sound from the beeper. If the beeper is disabled
by pressing the relevant button, the indicator light will turn on without
flashing and the alarm will be stored until the engine is next stopped.

04_234_N

1. Maximum allowed rotation speed exceeded (on request) - 2. Water
in the fuel pre-filter - *3. Engine coolant level low - 4. Alternator
malfunction - *5. Oil filter blocked - * 6. Oil vapour filter blocked *7. Pre-lubrication in progress - 8. Air filter blocked - *9. Fuel filter
blocked - 10. Coolant temperature high - 11. Oil pressure low *12. Pre-post heating - 13. Malfunction in EDC electronic injection
system.
*Alarm functions not available with standard setup.

STARTING AND STOPPING THE ENGINE
FROM THE DIGITAL CONTROL PANEL

Procedure for start-up from the main IVECO
MOTORS control panel (supplied on demand)

Make sure that the electrical switch indicating ENGINE ROOM BRIDGE on the Relay Box unit (normally located in the engine room) is
in the BRIDGE position, then proceed as follows:
1. Lift the protective cover over the key switch (8), insert the key and
turn it to the right to position 8B.
2. Make sure that the instruments with analogue displays are showing
values that conform with the relevant physical parameters.
3. Wait for the beeper to stop sounding and for the alarm indicator
lights to switch off, with the exception of the “Alternator
malfunction” and “Low oil pressure” indicators. At the same time,
check that the indicator test has been performed successfully (see
the section on RECOGNIZING ALARMS).
4. Turn the key to position 8C; once the engine has started, release
the key and do not accelerate.
5. Make sure that the instruments with analogue displays are showing
values that conform with the relevant physical parameters
(temperature, battery voltage and oil pressure).
6. If the engine does not start, after releasing the key it will only be
possible to turn it back to the start position after first returning the
switch to the rest position 8A.

6
7

8
04_357_N

1. Engine coolant temperature indicator - 2. Lubrication circuit pressure
indicator - 3. Service and alarm signals - 4. Rev counter - 5. Supercharged
air pressure indicator - 6. Voltmeter - 7. Alpha-numeric display - 8. Key
switch to start/stop the engine - 9. Accessory function programming
button - 10. Button used to scroll through and select additional
information - 11. Button to reset the “planned maintenance” indicator 12. Button to disable the beeper- 13. Beeper.
Detail of the key switch

8B
8C
04_356_N

Procedure for start-up from IVECO MOTORS
secondary or fly-bridge control panel (supplied on
demand)

1. Enable the secondary control panel, by turning the key switch
on the main panel to position 8B (requirements and procedure
given in previous paragraph).
2. Wait for the beeper to stop sounding and for the alarm indicator
lights to switch off, with the exception of the “Alarm malfunction”
and “Low oil pressure” indicators. At the same time, check that the
indicator test has been performed successfully (see the section on
RECOGNIZING ALARMS).
3. Press the green START button (11) and release it when the engine
has started, making sure that the instruments with analogue displays
are showing values that conform with the new physical parameters.

6
7

8
04_358_N

1. Engine coolant temperature indicator - 2. Lubrication circuit pressure
indicator - 3. Service and alarm signals - 4. Rev counter - 5. Supercharged
air pressure indicator - 6. Voltmeter - 7. Alpha-numeric display 8. Button to stop the engine - 9. Button used to scroll through and select
additional information - 10. Button to disable the beeper- 11. Engine
start button.

ENGLISH

4
2

Stopping the engine

RECOGNISING ALARMS

Before stopping the engine it is recommended you run it for a few
minutes at minimum speed with no load; this will allow the temperature
to drop evenly and will avoid harmful thermal shocks.
A. From the main IVECO MOTORS control panel: turn the
key switch to the rest position 8A.
B. From the secondary IVECO MOTORS control panel:
press the red STOP button (8).

The following shows the meaning of the symbols associated with each
of the indicator lights on the main and secondary control panels some
types of engine and relevant equipment only make some of the above
mentioned functions available. If the Boatyard uses different technical
options there may also be changes to the above.
* Air filter
blocked

* Oil vapour filter
blocked

To re-start the engine from the main control panel:
1. Return the key switch to the rest position 8A to reset all the onboard control panel functions.
2. Proceed as indicated in the relevant paragraph.

Maintenance
interval expired

Alternator
malfunction

* Oil filter
blocked

Oil pressure low

To re-start the engine from the secondary control panel:
1. Make sure that the panel has been enabled (key switch on the main
control panel turned to position 8B).
2. START button (11) and release it when the engine has started,
making sure that the instruments with analogue displays are
showing plausible values.

* Pre-lubrication
in progress

Coolant
temperature high

* Pre-post
heating

Over-revs

* Fuel filter
blocked

* Coolant level low

Water in the
fuel filter

EDC engine control
system malfunction
04_359_N

* Alarm functions not available with standard setup

Operation

Detail of the main control panel

When the key switch is turned to position 8B an efficiency test will be
performed on all the indicator lights, lasting 5 seconds, with the
exception of the “Pre-lubrication”, “Pre-post heating”, “EDC electronic
injection system malfunction” indicators, and simultaneously the beeper
sounds; It is possible to stop the beeper before the end of the test, by
pressing the relevant button.
During start-up and for the following 15 seconds, all alarm functions are
disabled; after this period, each alarm detected by the sensors provided
on the engine will result in the relevant indicator flashing and a
simultaneous warning sound from the beeper. If the beeper is disabled
by pressing the relevant button, the indicator light will turn on without
flashing and the alarm will be stored until the engine is stopped.

9
04_360_N

7. Alpha-numeric display - 9. Accessory function programming button 10. Button used to scroll through and select additional information 11. Button to reset the “planned maintenance” indicator - 12. Button
to disable the beeper.

Alpha-numeric display
This provides the following information:
• engine running speed
• total running hours (see note A)
• exhaust gas temperature (on request)
• instant fuel consumption (see note B)

(A)The control panel's internal electronics are programmed to count
the working hours and issue warnings when the time limit for
ordinary maintenance operations expires; this function requires
that the counter be reset after each maintenance operation, which
is carried out from the main control panel as follows:
- Pressing and holding the “Prog” (9) and “Scroll select” buttons (10),
turn the key switch from position 8A to position 8B and wait for
the display to show the pre-set value (e.g: 600 hours). Release the
buttons and press the “Prog” (9) button again once only to start
the new count.

The information required is selected by pressing the “Scroll select”
button on both the control panels, main and secondary.

ENGLISH

If the set value does not correspond with the one foreseen for the type
of oil being used (see requirements in the sections on REFUELLING and
FREQUENCY) proceed as follows:
- After displaying the value in hours set previously, release the
buttons and press just the “Scroll select” button (10) repeatedly
until the prescribed value (as indicated in the section
FREQUENCY) is shown and flashes, after which press the “Prog”
button (9) to confirm the value and start the new count.

N40 ENT M25
Maximum power CV
250

128

200

108

170

N60 ENT M37
Maximum power CV

(B)The information on instant fuel consumption requires the
maximum input value to be correctly programmed with respect to
the performance of the engine fitted on the vessel; to check this,
proceed as follows:
- If the value does not correspond, modify it by pressing and holding
the “Prog” button (9) until the display shows the maximum input
value (e.g: 131 mg/strk), then release the button and compare the
value with the ones provided in the table below.
- If the value does not correspond, modify it by pressing the “Scroll
select” button (10) repeatedly until the prescribed value is
displayed (flashing).
- Press and hold the “Prog” button (9) until the display shows the
engine running speed, which indicates that the value has been
stored.

131

330

116

270

Maximum input mg/strk

400

132

370

131

330

117

270

N67 ENT M45
Maximum power CV

Maximum input mg/strk

370

N60 ENT M40
Maximum power CV

If the programming operations have not been carried out correctly the
display will indicate “P.Err”; in this case, it will be necessary to repeat the
procedure from the beginning.

Maximum input mg/strk

331

450

309

420

272

370

258

350

MANAGING THE ENGINE FROM THE RELAY
BOX

Start-up procedure

Running speed management procedure
Press button 2 in the START position, with the engine turning, to
accelerate and decelerate; each time the button is pressed the engine
will accelerate or decelerate in sequence.
1. To accelerate: press and hold button 2 in the START position until
the required engine speed is achieved, then release it; the speed will
be maintained.
2. To decelerate: press button 2 again in the START position until the
required decrease in speed is achieved, then release it.

3
5

04_074_N

1. Control panel selector - 2. Manual start/stop and accelerator
command - 3. Self-diagnosis test and blink code emission button - 4. Led
indicating EDC and blink code malfunctions - 5. Connector for diagnosis
instrument.

Stopping procedure
1. Press button 2 in the STOP position until the engine has come to
a complete stop, then release it.
2. Return switch 1 to the BRIDGE position to allow use of the
commands on the on-board control panels and prevent use of the
START-STOP button in the “Relay box”.

CAUTION!
Never switch the ENGINE ROOM / BRIDGE selector
when the engine is turning.

Self-diagnosis procedure
Use of the CHECK button (3) enables Technical Service Network staff
to obtain the self-diagnosis information stored in the electronic Unit
controlling the engine; the LED indicator 4 indicates the code by
emitting flashes of light.
21

ENGLISH

1. Turn switch 1 to the ENGINE ROOM position to enable the
adjacent START-STOP button (2); this operation disables all
the on-board control panel functions on the bridge and
fly-bridge.
2. Press button 2 in the START position until the engine starts, then
release it.

The engine fittings include a unit, known as the “Relay box” and normally
installed in the engine room, using which it is possible to manage the
following functions:
Selection of the control panel: bridge or engine room.
Starting and stopping the engine.
Increase and decrease of the engine speed.
Self-diagnosis (only to be used by Technical Service Network staff).

FOR PROPER USE OF THE ENGINE

SPECIAL WARNINGS

Do not continue to press the starter, when the engine has started.
Do not remain in dock while waiting for the engine to warm up,
but after starting, commence navigation at low speed; the working
temperature will be reached properly with the engine running at
medium speeds.
Do not operate the engine at minimum speed for long periods, as
this encourages the production of harmful exhaust and does not
guarantee optimum performance.
The engine speed must be increased and decreased gradually, to
allow regular combustion and proper operation of all engine
components.
The maximum cruising speed must not be more than 90% of the
speed corresponding to maximum power (see section on ENGINE
TECHNICAL DATA).
During navigation, check that:
• The engine coolant temperature does not reach the alarm
threshold.
• The oil pressure remains within normal values.

Coolant temperature high
If the temperature indicated on the instrument is considered too high,
or if the alarm is displayed, reduce speed and return to port to check
the state of the sea water intake and cooling system circuits; also check
and have checked:
• tension of the water pump and alternator command belts.
• operation of the thermostat valve.
• whether or not the heat exchangers are clean.
CAUTION!
When the engine is warm, a pressure liable to cause
hot liquid to be expelled with extreme violence is
created within the cooling circuits. This results in a
danger of burning. Only open the coolant tank cap if
strictly necessary, and only when the engine is cold.

Low lubricant pressure
If the pressure indicated by the instrument is considered insufficient, or
if the “low oil pressure” indicator lights up, stop the engine and check
the oil level. Top up if necessary (see CONTROL AND
MAINTENANCE section).
If the condition persists, return to port at low speed and contact an
Authorised Service Centre.

Water in the fuel pre-filter

Alternator malfunction

It is a good rule to drain the water from the filters, before the relevant
indicator comes on.
Avoid using the engine with the fuel tank only a small reserve of fuel; this
encourages the formation of condensation and makes it more likely you
will suck up dirt or air, resulting in engine stoppage.

Check it or have it checked periodically for cleanliness, wear and proper
tensioning of the drive belt.

The drive members are located under protective
casings. These must only be removed when the engine
is not turning.

CAUTION!
When refuelling, always pay great care to ensure that
no solid or liquid pollutants enter the fuel tank; you
must also remember that smoking and live flames are
prohibited when refuelling.

Irregularities in the electrical system
Periodically check, particularly during the winter, to ensure that the
batteries are clean and in full working order, checking and topping up as
indicated in the section CONTROLS AND MAINTENANCE, always
taking due note of the WARNINGS provided. If it should be necessary
to replace them, always comply with the characteristics indicated in the
section ENGINE TECHNICAL DATA.

Air filter blocked and exhaust circuit inefficient
Inspect the cleanliness of the air intakes and discharge pipes on a regular
basis. The maintenance intervals indicated in this manual only take into
account the performance of engine components, and not any additional
fittings installed by the Boatbuilder and any external events.

RUNNING IN
Thanks to modern engine construction technology, no particular running
in procedure is required. However, it is recommended that, for the first
50 hours, you do not use the engine at high power for long periods.

CAUTION!
Visually check that the exhaust circuit is not blocked or
damaged, so as to prevent dangerous fumes within the
vessel.

ENGLISH

CAUTION!

REFUELLING
Parts to be supplied

N40 ENT
litres (kg)

N60 ENT
litres (kg)

21.5

24.5

Oil consumption is considered acceptable when it reaches a
maximum of 0.5% of fuel consumption.
(3)The amounts indicated refer to initial refuelling, and include filling
the engine, sump and filter.
(4)Only use normal commercial diesel fuel (EN 590 standards). Do
not use additives. Do not use fuels derived from the synthesis of
organic substances and vegetable oils (Biodiesel).

Cooling
circuit (1)
Lubrication

WARNING

circuit (2)
total capacity (3)

12.5 (11.5)

16.5 (15)

Refuelling from drums or tanks may result in pollution of the diesel
fuel, with the risk of damage to the injection system; if necessary,
filter the fuel in a suitable manner or allow sedimentation of the
impurities before refuelling.

Periodic changing:
oil sump at minimum level

9 (8)

oil sump at maximum level

11 (10)

14.5 (13)

Low temperature diesel

Fuel
tank (4)

EN 590 specifications distinguish different classes of diesel fuel,
identifying the characteristics of those best suited to low temperatures.
It is entirely up to the Oil companies to comply with these regulations,
which foresee that fuels suited to the climactic and geographic
conditions of the various Countries be distributed.

(I)Use a mixture of water and 50% PARAFLU 11 even during the
summer months. As an alternative to PARAFLU 11, you can use another
product that complies with international specifications SAE J 1034.
(2) Use lubricants that comply with international specifications ACEA
E3 - E5 (high power engines), API CF - CH4 (associated with fuels
with a percentage sulphur < 0.5%), MIL - L - 2104 F.
The viscosity level of oil to be used depending on surrounding
temperatures in given in the table provided in the appendix.

Filling up with marine gear oil
For the amount and types of oil to be used in the marine gear, please
see the manual provided by the Manufacturer.

• replacing or topping up lubricant (hot engine oil may cause burns and
scalds. Only carry out these operations when the oil has dropped to
a temperature of below 50°C).
When working in the engine compartment, pay particular attention
to how you move, to avoid contact with moving parts or high
temperature components.
Wear goggles and use high pressure air jets (maximum air pressure
used to clean is 200 kPa (2 bar, 30 psi, 2 kg/cm2).
Wear a protective helmet when working in an area were there are
suspended loads or systems installed at head-height.
Use protective hand cremes.
Immediately replace wet overalls.
Always keep the engine clean, removing oil, grease and coolant
stains.
Store cloths in flame-proof containers.
Do not leave foreign bodies on the engine.
Use suitable, safe containers for used oil.
When completing a repair, make suitable provisions to stop the
engine taking in air if, after start-up, an uncontrolled increase in engine
speed were to occur.

MAINTENANCE PERSONNEL
The engine control and maintenance operations described in the
following chapter require training, experience and compliance with
current safety regulations; for this reason they must be carried out by
special technicians, as indicated below.
Controls: by workshop technicians or the vessel user if necessary.
Periodic maintenance: by qualified personnel
equipped with suitable equipment and adequate means
of protection. Operations marked by the key symbol
(see illustration).
Special maintenance: by qualified personnel from
Authorised Service Centres who have detailed technical
information and specific equipment. Operations marked
by the key symbol (see illustration).
The Authorised Service Centres are the ones in the IVECO MOTORS
Technical Service Network.

ACCIDENT PREVENTION
Always wear heavy-duty footwear and overalls.
Never wear loose, flapping garments, rings, bracelets and/or
necklaces in the vicinity of engines or moving parts.
Always wear protective gloves and goggles when:
• filling up batteries with acid solution
• refuelling with inhibitors or antifreeze
25

ENGLISH

CONTROLS AND MAINTENANCE

CAUTION!
Planned maintenance
Do not carry out maintenance operations when the
electric power supply is turned on: always check to ensure
that the appliances are properly earthed. During diagnosis
and maintenance operations, make sure that your hands
and feet are dry, and whenever possible use insulating
stands

FREQUENCY
Controls

Frequency

Check oil level in engine

Daily

Check oil level in marine gear

Daily

Check engine coolant level

Daily

Check exhaust pipe/s for damage

Daily

Drain water from the fuel pre-filter

150 hours (1)

Check/top up electrolyte level in batteries and
clean terminals

Half-yearly

The maintenance intervals indicated below take into account the typical
working factors for various types of engine use; the most suitable interval
for maintenance operations for the various applications will be indicated
by the maintenance staff, according to the way and working conditions
in which the engine is used.
26

Frequency

Clean air filter/s

300 hours (2) (7)

Check corrosion of zinc anodes

300 hours (4) (7)

Check state of oil vapour filter

300 hours (7)

Drain/suck condensation from fuel
tank/s

300 hours (1) (7)

Change engine oil

600 hours (5) (7)

Change oil filter/s

600 hours (5) (7) (8)

Change fuel filter/s

600 hours (1) (7) (8)

Change fuel pre-filter

600 hours (1) (7)

Change oil in the marine gear

see relevant details

Inspect sea chest

yearly

Check tension and state of belt

yearly

Change coolant

1200 hours or 2 years

Change air filter

2 years

Change oil vapour filter/s

2 years (5)

Frequency

Check wear in sea water pump rotor

900 hours

Replace belt

1200 hours or 2
years

Clean heat exchangers

2 years (6)

Clean the turbocharger

2 years (5)

Adjust play in valves-rocker arms

3000 hours

I) Maximum period when using good quality fuel , (EN 590 standard);
this is reduced if the fuel is contaminated and alarms are triggered
due to blockage of the filters and presence of water in the pre-filter.
When blockage of the filter is indicated, it must be replaced. If the
water in pre-filter indicator does not go out after drainage, the prefilter must be replaced.
2) The frequency with which operations are carried out will depend
on the working conditions and efficiency/wear of the product. If the
engine is not used for long periods of time, check it before you start
it.
3) N.C.
4) The anode must be replaced if corrosion has exceeded 50% of the
volume of zinc.

WARNING
When using fuel with a percentage sulphur exceeding 0.5%, or
when using oils that do not comply with the specifications provided
in the refuelling table, the times at which the engine oil, engine oil
filter and oil vapour filter must be changed will vary according to
the use and working conditions of the engine itself; for further
information, please consult the technicians responsible for
maintenance.

ENGLISH

Special maintenance

5) Replace lubricants according to the frequency indicated in the
REFUELLING table.
6) Sea water/combustion air heat exchanger: clean both the air and
water sections; engine coolant/sea water heat exchanger: clean the
sea water section; optional sea water/marine gear oil heat
exchanger: clean the sea water section.
7) Must be performed annually, even if the required number of
working hours are not reached.
8) Only use filters with the following characteristics:
- filtration level < 12 μm
- filtering efficiency ß > 200.

REQUIREMENTS

HOW TO PROCEED

1. Do not disconnect the batteries with the engine running.
2. Do not carry out arc welding operations in the vicinity of the engine
without first removing electrical cables and electronic units.
3. After each maintenance operation involving disconnection of the
battery/batteries, make sure that the terminals have been properly
locked onto the poles.
4. Do not use battery chargers to start the engine.
5. Disconnect the on-board network battery/batteries when
recharging.
6. Do not paint the appliances, components and electrical connectors
equipping the engine.
7. Disconnect the battery/batteries before any electrical operations.
8. Contact the Boatyard before installing electronic equipment on
board (two-way radios, echo-sounding equipment, etc.).

Check oil level in engine
Only proceed with the engine stopped and at a low temperature, so as
to avoid the risk of burning.
Using the dipstick (1), check that the oil level is between the "Min"
and "Max" levels.
If the level is too low, top up through the inlet on the cylinder head,
after first removing the relevant cap (2).
2

3
1

04_007_N

WARNING
After topping up, make sure that the oil level does not exceed the
"Max" limit marked on the dipstick.
Make sure that the dipstick is inserted properly and the filler
cap is turned in a clockwise direction until it stops turning
completely.

Draining water from the fuel pre-filter

Check the oil level in the marine gear following the indications provided
in the marine gear Manufacturer's manual.

The high risk of refuelling with fuel that is polluted by foreign bodies and
water means that it is necessary to perform this control even if no alarm
is shown on the on-board control panel.
Proceed with the engine stopped.
Place a container under the pre-filter
to collect the fluid.
Unscrew the tap plug (1) in the
bottom part of the pre-filter; in some
lay-outs the plug includes a sensor to
detect the presence of water in the
diesel.
Drain off liquid until only “diesel” can
be seen.
Close the plug again, tightening it
completely by hand.
Dispose of the drained fluids
according to current requirements.
1
04_361_N

Check coolant level
Only proceed with the engine stopped and at a low temperature, so as
to avoid the risk of burning.
Remove the loading tank pressurisation cap (3 - previous page).
Visually check the coolant level.
Top up the tank if necessary, using a mixture of 50% clean water
(not distilled) and Paraflù 11 (see REFUELLING table).
CAUTION!
Only open the coolant tank cap when the engine is
cold.

Check exhaust pipe/s for damage

Checking the level of electrolyte solution in
the batteries

Visually check that the exhaust system is not blocked or damaged.
Make sure that there is no risk of dangerous fumes within the
vessel. Contact the Boatyard if necessary.

Place the batteries on a level surface, then proceed as follows.
Visually check that the fluid level is between the "Min" and "Max"
limits; in the absence of references, check that the fluid covers the
Lead plates inside the elements by approximately 5 mm.
If necessary, top up with distilled water only those elements in
which the level is below minimum.

ENGLISH

Check oil level in marine gear

Contact specialised technical staff if the battery needs recharging.
Have the efficiency of the battery recharging system tested if a
voltage of less than 11 V (for 12 V rated systems) or 22 V (for
24 V rated systems) is detected with the engine running.
On this occasion, make sure that the terminals and clamps are
clean, properly locked and protected by vaseline.

Cleaning the air filter
Remove the filter by loosening the screws (4) indicated in the
figure.
Blow dehumidified compressed air through the filter element, from
the inside outward (maximum pressure 200 kPa), or wash with
water only. Do not use detergents; do not use diesel.
Replace the filter if any breakages are found.
Replace the filter once every 2 years.
Restore normal operating conditions after positioning the filter in
its housing.

CAUTION!
The batteries contain sulphuric acid, which is
extremely caustic and corrosive; always wear protective
gloves and goggles when topping them up. Whenever
possible it is recommended that this control be carried
out by specialised personnel.
Do not smoke or use live flames near the batteries
during controls, and make sure that the room you are
working in is adequately ventilated.

Some types of battery have
a single cover for all the
inspection plugs. To access
the elements, use a lever as
shown in the figure.

04_362_N

04_007_N

Only proceed with the engine stopped and at a low temperature:
Provide suitable containers to ensure that no water is dispersed
inside the vessel during removal of the anodes.
Remove the anodes, unscrewing them from their housings (see
location in the section ENGINE TECHNICAL DATA).
Make sure that corrosion has not exceeded 50% of the volume of
zinc. If this is the case, change them.
Replace the anodes in their housings, locking them to the
prescribed torque.

Changing the engine oil filter
Only proceed with the engine stopped and at a low temperature, so as
to avoid the risk of burning.
Only use filters with a filtration level equivalent to the ones you are
replacing (see section FREQUENCY).
Place a container under the filter support (1), to collect the used oil.
Unscrew the filter and remove it.
Carefully clean the surfaces of the support that are in contact with
the filter seal.
Damp the new filter seal with a thin layer of oil.
Hand screw the new filter into place until the seal gasket touches
the support, then lock by a further 3/4 of a turn.
Dispose of the old filter according to current requirements.

Check state of oil vapour filter (figure on page 30)
Only proceed with the engine stopped and at a low temperature, so as
to avoid the risk of burning:
Unfasten the screws and remove the cover (5) to the filter
compartment.
Remove the two filters and check them for deposits; if any deposits
are found, replace them.
Replace the cover in its housing.

Changing engine oil (figure on page 30)
Only proceed with the engine stopped and at a low temperature, so as
to avoid the risk of burning.
Place a container under the hand pump (1) outlet pipe (2), to
collect the used oil.

ENGLISH

Unscrew the filler cap, turn the hand pump provided (2), which is
set up to extract the oil only, until the oil sump is completely empty.
Fill up with fresh oil through the feeder hole (3) on the timer cover,
using the types and amounts of oil indicated in the table
REFUELLING. Screw down the filler cap.
Using the dipstick (6), check that the oil level is between the "Min"
and "Max" levels.
Dispose of used oil according to current requirements.

Check corrosion of zinc anodes

Changing the fuel filter
Only proceed with the engine stopped and at a low temperature
Remove the filter by unscrewing it.
Check that the new filter has
performance levels that satisfy the
needs of the engine (e.g. by
comparing them with the old one.
See section on FREQUENCY).
Damp the new filter seal with diesel
or engine oil.
Hand screw the new filter into
place until the seal gasket touches
the support, then lock by a further
3/4 of a turn.

1
04_006_N

04_351_N

WARNING
Do not fill up the new filter before fitting it to the support, to avoid
introducing harmful impurities into the injection system and circuit.

CAUTION!
Do not attempt to bleed in any way, as this is
unnecessary and extremely dangerous, and also, if the
high pressure circuit connectors are loosened there will
be negative effects on start-up of the engine.

Check tension and state of the auxiliary member
drive belt

Only proceed with the engine stopped and at a low temperature
Remove the pre-filter by
1
unscrewing it.
Check that the new filter has
performance levels that satisfy
the needs of the engine (e.g. by
comparing them with the old
one).
2
Damp the new filter seal with
diesel or engine oil.
Hand screw the new filter into
place until the seal gasket
touches the support, then lock
by a further 3/4 of a turn.
Loosen the bleeder screw (2)
on the pre-filter support and
04_361_N
activate the hand pump (1)
until the supply circuit is full. Ensure that any fuel coming out is not
dispersed into the environment.
Lock the bleeder screw tightly.
Start the engine and run it at minimum speed for a few minutes to
eliminate any residual air.

Only proceed with the engine stopped and at a low temperature, so as
to avoid the risk of burning.
Remove the casing protecting the pulleys.
Check that the pulleys are not torn or worn, and that there are no
lubricants or fuel on them. If this is not the case, replace them.
At the same time, make sure that the tensioning device is working
properly, proceeding as indicated in the figure.
Replace the guard casing in its housing, and lock all the seal
elements.

74178

NOTE: should it be necessary to accelerate the bleeding phase, the
hand pump can be used during start-up.

ENGLISH

Changing the fuel pre-filter

Replace coolant
Only proceed with the engine stopped and at a low temperature, so as
to avoid the risk of burning.
Provide suitable containers to ensure that no coolant is dispersed
into the environment.
Remove the plugs on the circuit components and wait until the
circuit has drained completely (the location of plugs is given in the
section ENGINE TECHNICAL DATA). After emptying, replace the
plugs in their housings, making sure that the seal rings are all
undamaged.
Fill up the circuit as indicated in the table REFUELLING.
Bleed the circuit and top-up if necessary.

WARNING
The operations listed below must only be carried out by qualified
staff from the IVECO MOTORS Service Centres or by staff from the
Boatbuilders.
The methods used to perform them are described in the Technical
and Repair Manuals.
Drain/suck condensation from fuel tank/s
Inspect sea chest
Check sea water pump rotor
Clean heat exchangers
Clean the turbocharger
Adjust play in valves-rocker arms

Change oil vapour filter (figure on page 30)
Only proceed with the engine stopped and at a low temperature, so as
to avoid the risk of burning.
Unfasten the screws and remove the cover (5) to the filter
compartment.
Remove the two filters, and dispose of them according to current
requirements.
Insert the new filters and replace the cover.

The method used to change the oil in the marine gear is indicated in the
relevant documentation supplied by the Manufacturer of the marine
gear itself.

DISPOSAL OF WASTE

The operations necessary to embark and disembark the engine must
only be carried out by technicians from Authorised Service Centres.
When lifting the engine only, use the U-bolts indicated in this manual
in the section ENGINE TECHNICAL DATA and marked on the engine
with special stickers.
Lifting must be carried out using a rocker arm that keeps the metal
cables supporting the engine parallel, using all the U-bolts provided
simultaneously; the use of a single U-bolt only is not allowed.
The engine lifting system must have a capacity and size suited to the
weight and dimensions of the engine; check that there is no interference
between the lifting system and the engine components.
Do not lift the engine before removing the transmission members that
are coupled to it.

The engine is made up of parts and elements that, if discarded, may
cause damage to the environment.
The materials listed below must be handed over to specialised
Collection Centres; the laws in force in the various Countries foresee
severe penalties for transgressors:
Starter batteries.
Used lubricants.
Mixtures of water and antifreeze.
Filters.
Additional cleaning materials (e.g. greasy or fuel-soaked cloths).

ENGLISH

MOVING THE ENGINE

LONG PERIODS OF INACTIVITY
PREPARING THE ENGINE
PERIOD OF INACTIVITY

FOR

7. Drain the residual 30/M protective oil from the sump. This oil can
be used again for a further 2 preparation operations.
8. Fit signs reading ENGINE WITHOUT OIL to the engine and to the
on-board control panel.
9. Drain the coolant, if it has not been mixed with suitable antifreeze
and corrosion inhibitors, and affix a sign to indicate the fact.

LONG

In order to prevent oxidation of the internal parts of the engine and of
certain components in the injection system, when the engine is
expected to be inoperative for periods of more than two months, the
following operations must be carried out in preparation for this:
1. Drain the lubricant from the sump, after first warming up the
engine.
2. Fill the engine with protective oil type 30/M (or alternatively oil that
complies with MIL 2160B type 2 specifications), up to the
"minimum" level indicated on the dipstick. Start the engine and keep
it running for approximately 5 minutes.
3. Drain the fuel from the injection circuit, from the filter and from the
injection pump pipes.
4. Connect the fuel circuit to a tank containing CFB (ISO 4113)
protective fluid, and feed in the fluid by putting the circuit under
pressure and running the engine for approximately 2 minutes, after
first disabling the injection system. This operation can be performed
by polarising terminal 50 of the starter motor with a positive
voltage equivalent to the rated voltage of the system, using a
conductor provided for that purpose.
5. Nebulise approximately 60 g of 30/M protective oil (10 g per litre
displacement) into the turbocompressor suction inlet, during the
pressurised filling operation described in the previous point.
6. Close all the suction, delivery, ventilation and bleeder openings in
the engine with suitable plugs, or seal them with adhesive tape.

In the event of prolonged inactivity, the operations described must be
repeated every 6 months, following the procedure given below:
A) drain the 30/M protective oil from the sump;
B) repeat the operations described from point 2 to point 7.
Should you intend to protect external parts of the engine, proceed by
spraying OVER 19 AR protective liquid on unpainted metal parts, such
as the flywheel, pulleys and the like, avoiding belts, connector cables and
electrical equipment.

RESTARTING THE ENGINE AFTER A LONG
PERIOD OF INACTIVITY

ENGLISH

1. Drain the residual 30/M protective oil from the sump.
2. Fill the engine, as prescribed, with lubricant of the type and amount
indicated in the table REFUELLING.
3. Drain the CFB protective fluid from the fuel circuit, carrying out this
operation as indicated under point 3. of PREPARING THE
ENGINE FOR A LONG PERIOD OF INACTIVITY.
4. Remove the plugs and/or seals from the suction, delivery,
ventilation and bleeder openings in the engine, restoring it to a
normal state of use. Connect the turbocharger suction inlet to the
air filter.
5. Connect the fuel circuits to the vessel’s fuel tank, completing the
operations as indicated in point 4. of PREPARING THE ENGINE
FOR A LONG PERIOD OF INACTIVITY. During filling operations,
connect the fuel return pipe to a collection tank, so as to prevent
any residual CFB protective fluid from flowing into the vessel’s fuel
tank.
6. Check the engine and fill it up with coolant as prescribed.
7. Start the engine and keep it running until the idling speed rate has
stabilised completely.
8. Check that the instruments on the on-board control panel/s are
showing plausible values, and that no alarms are shown.
9. Stop the engine.
10.Remove the ENGINE WITHOUT OIL signs from the engine and
from the on-board control panel.

ENGINE MALFUNCTIONS
CAUTION!

The electronic unit overseeing management and control of all operation
of the engine is capable of recognising any malfunctions that may occur,
and of adopting strategies that will allow you to navigate in full safety.
The event, signalled by light-up of the EDC MALFUNCTION indicator
on the on-board control panels, results in programmed limitation of
power within certain thresholds, set according to the severity of the
case.
In the case of temporary malfunctions the reduction in performance will
remain in force until the engine is stopped.

The engine electronic control unit can adopt safety
strategies at any time during navigation, should
conditions arise that are considered to put the engine
at risk.
When conditions of this kind occur, proceed with the
greatest possible care and attention, first making sure
that all those on board are secure and holding on to
safe hand-holds.

Accelerator electronic circuit malfunction

NOTE: In mode “A” it is possible to proceed at speeds higher than the
accelerated minimum, managing start/stop, acceleration and
deceleration functions as illustrated in the section MANAGING THE
ENGINE FROM THE RELAY BOX. Should it be necessary to operate
the engine as above, always comply with the accident
prevention rules provided in the Section “Controls and
maintenance.

When certain problems in the accelerator electric circuit are recognised,
the Electronic Unit controlling the engine adopts a strategy known as
“accelerated minimum speed running”, that will enable navigation to
continue in emergency mode.
The possible operating modes are as follows:
A. The accelerator lever does not “respond”: the running speed
stabilises at 750 rpm. to allow the vessel to proceed slowly and be
manouevered simply by turning the marine gear on and off, without accelerating.
B. The accelerator lever “responds partially”: the minimum running
speed is set to 750 rpm. When the accelerator lever is moved to
approximately half way, the speed gradually increases up to 2000
rpm.; when the lever is returned to minimum the speed rapidly
decreases to 750 rpm.

CAUTION!
Management of the engine from the “Relay box”
involves inhibition of the bridge controls; as a result of
this, when running the vessel from the bridge, the
only way to stop propeller thrust in the engine
quickly is using the marine gear disengagement lever.

EMERGENCIES ON BOARD

1. Extinguish any flames on the burned person's clothing, by:
• throwing water over them;
• using a powder fire-extinguisher, without directing the jet at the
person's face;
• covering with blankets or rolling the victim on the ground.
2. Do not attempt to remove pieces of clothing that may have stuck
to the skin;
3. In the case of scalding, immediately but carefully remove any
clothing that may be soaked in the hot liquid;
4. Cover the burn with a special burn dressing or sterile bandage.

The user of a vessel that has been constructed according to safety
regulations, when following the instructions provided in this manual and
the indications given on the engine labels, will be working in safe
conditions.
Should improper conduct result in accidents, always request the
intervention of trained first aid specialists immediately.
In an emergency and while awaiting the arrival of first aid specialists,
follow the instructions given below.

Engine malfunctions
When navigating with a malfunctioning engine, take the greatest possible
care when manouevering and make sure that all those aboard are
holding firmly to safe hand-holds (see section on ENGINE
MALFUNCTIONS).

Carbon monoxide intoxication (CO)
Carbon monoxide from the engine exhaust is without smell, and is
dangerous both because it causes intoxication, and because when
combined with air it forms an explosive mixture.
In closed rooms, carbon monoxide is extremely dangerous, as it can
reach critical concentrations within a very short time.
When assisting an intoxicated person in a closed room:
1. Ventilate the room immediately, to reduce the concentration of
gas.
2. When entering the room, hold your breath, do not light flames,
lights or ring electric doorbells or phones, to avoid the risk of
explosion.
3. Carry the intoxicated person out into the fresh air or into a well
ventilated room, resting him on one side if he is unconscious.

In case of fire
Extinguish the fire using the fire-fighting equipment provided aboard, and
in the manner indicated by Fire prevention authorities (the fire-fighting
equipment required on board is compulsory under current safety
legislation).

ENGLISH

Burns and scalds

Electrocution

Caustic burns

The engine's electrical 12 V or 24 V electrical system does not involve
the risk of electrocution, however, in the event of a short-circuit caused,
for example, by a metal tool, there is a risk of burning due to overheating
of the object through which the electrical current runs. In these
circumstances:
1. Remove the object that caused the short-circuit, using means that
provide sufficient heat insulation.
2. Switch off the power at the main switch, if there is one.

Caustic skin burns are caused by contact with extremely acid or alkaline
substances.
For electric maintenance technicians these are typically caused by acid
from batteries; in these circumstances, proceed as follows:
1. Remove any clothing soaked in the caustic substance.
2. Wash the area with lots of running water, avoiding parts that have
not been burned.
If either battery acid, lubricants or diesel come into contact with the
eyes: wash the eyes with water for at least 20 minutes, keeping the
eyelids open so that the water flows over the eyeball (move the eye in
all directions to wash more thoroughly).

Injuries and fractures
The vast number of possible circumstances and the specific nature of
operations required means that the intervention of a medical team is
necessary.
1. In the event of bleeding, keep the edges of the wound pressed
together until help arrives.
2. If there is any suspicion of a fracture, do not move the injured part
and only move the patient if absolutely necessary.

ENGLISH

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Iveco N60 Ent M37 Users Manual N4 N6 MARINO ELET_ENG

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