Nanni 4.390 TDI, User Manual, Page: 16 / 24

User Manual
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Servicing and maintenance tables
Servicing which can be performed by owner
To observe the warranty conditions, all the interventions must be performed by a specialized technician
approved by NANNI INDUSTRIES . However, certain regular checks (to be performed "on each use") can
only be performed by the owner. When the warranty has expired, an experienced owner may be able to
perform certain basic operations.
These checks must be taken into account during overhauls performed by the engine specialists.
Phase Operation Type
(C/A/R) Frequency Component
Battery charge indicator light C On each use
Instrument panel: alerts and alarms C
On each use
Electrical system
Fuel prefilter: draining of water C/A
On each use Fuel supply
Oil level (engine, transmission and
power steering )
C/A
On each use Lubrication
Seawater filter (clean if necessary) C/A On each use
Level of coolant C/A
On each use
Cooling
General tightness C On each use Engine block
Regular checks
before and after use
Stuffing box (if braided type) C/A
On each use Engine shaft/boat
tightness
Check level of electrolyte C/A Every 15 days
Alternator belt C/A
Every 20 hours
Electrical system
Zinc anode C/R Every 20 h, then
every 100 h or once
yearly Exhaust
Regular checks
Control unit: inspect
accelerator/gearbox and trolling
cables, general lubrication C
Every 20 h, then
every 100 h or once
yearly
Concerning the servicing table and the "operation details", the information given in italics is only valid
for certain types of engines. Refer to the specific servicing table given in appendix A-3 for the specific list of
operations concerning your engine.