Iveco Motors N45 MNA M10.00, Use And Maintenance, Page: 22 / 36

21
ENG
L
ISH
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 pre-
filter 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) Refers to engines with traditional and automatic tensioning devices.
4) The anode must be replaced if corrosion has exceeded 50% of the
volume of zinc.
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.
Special maintenance
Frequency
Check wear in sea water pump rotor 900 hours
Change auxiliary member belt 1200 hours or 2
years
Clean heat exchangers 2 years
(6)
Clean the turbocharger 2 years
(5)
Injector calibration 1800 hours
Overhaul injection pump 3000 hours
Adjust play in valves-rocker arms 3000 hours
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.