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ENGLISH
1) Maximum period for using good quality fuel (EN 590 standard). It is
reduced based on the dependency on fuel contamination and on the
alarm signals for filter clogging and/or water in the filter. The filter
clogging warning requires its replacement. If the water in pre-filter
alarm is not disabled after draining, the filter needs to be replaced.
2) Frequency is based on ambient and efficiency/wear conditions of
the product. If the engine remains unused for long periods, perform
the inspection before startup.
3) N.C.
4) Replace the anode only if corrosion exceeds 50% of zinc volume.
5) Frequency applicable to lubricants as provided in REFUELLING
table.
6) Comburent air/sea water exchanger: clean both air and water
sections; engine coolant/sea water exchanger: clean the sea water
section; inverter oil/sea water exchanger (if available): clean the sea
water section.
7) To be performed every year even if the operating hours expected
are not met.
8) Use only filters with the following features:
- filtering degree < 12 µm
- filtering efficiency ß > 200.
Extraordinary maintenance
Frequency
Check sea water pump rotor wear 1200 hours
Check the efficiency of the pre-post
heating system (if available)
1200 hours
Valve-rocker arms play adjustment 1200 hours
Auxiliary elements belt replacement 1200 hours or 2
years
Cleaning of heat exchangers 2 years
(6)
Supercharger cleaning 2 years
(5)
WARNING
In case fuel sulfur percentage exceeds 0,5% or oils not meeting the
specifications provided in refueling table are used, oil, engine oil filter
and oil vapor filter frequencies will have to be halved, based on the
use and operating conditions of the engine. For more information
please refer to maintenance staff.
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