General Information; Engine Identification - Nanni T4.155 Instruction Manual

Do not check for possible pressure leaks with
bare hands - wear gloves - liquids ejected under
pressure may cause serious injuries - in case of
contact with a spurt of fluid, immediately consult
a physician.
BATTERY
A mixture of highly explosive, inflammable and
volatile gases forms when recharging the battery.
Never smoke near the battery or approach it with
an open flame or spark
Never short circuit the battery terminals
The battery electrolyte is highly corrosive – Wear
protective gloves and glasses.
ELECTRICAL WIRING
Turn off engine electrical switches and battery
main switch before any repair to the electrical
equipment.
Check the state of the cables and the electrical
wiring - a short circuit may cause fire.
DISPOSAL OF FLUIDS
The different fluids used for the operation of the
engine may be toxic and hazardous to your
health. Carefully read the instructions appearing
on the labels of these products.
Observe the environmental protection regulations
relative to the disposal of motor oil, fuel, engine
coolant fluid, filters and batteries.

2 - GENERAL INFORMATION

Your NANNI DIESEL engine is a product of the
research and quality manufacturing of NANNI
INDUSTRIES. It is constructed from the finest
materials available, according to finite specifica-
tions, and in accordance with very strict produc-
tion methods.
Your NANNI DIESEL engine is a dependable
and long-lasting power source for your boat.
Proper installation of the engine on board of your
boat is of the greatest importance for safe navi-
gation and also for respect of the environment.
The NANNI INDUSTRIES engineers are among
the worlds most highly skilled. Their experience,
their knowledge of the seas, their mastering of
techniques in association with the skills of the
engineers of KUBOTA, MAN and TOYOTA guar-
antee you the best available combination of per-
formance/reliability/economy.
I WARNING: a boat builder or an authorized
workshop, in conformity with the NANNI INDUS-
TRIES installation instructions, must perform the
installation of your engine.
These operating instructions contain information,
which are necessary for the proper operation of
the engine.
Present in over 50 countries through its network
of agents and authorised dealers, NANNI INDUS-
TRIES guarantees your safety worldwide.
Concerning parts, labour, or simply advice, eve-
rything has been considered to properly serve
your needs. Do not hesitate to contact your
authorised NANNI DIESEL dealer.
We wish you pleasant navigation.
Read this manual carefully before proceeding
with the use of the engine. Follow the safety
measures.
I WARNING: The proper operation of a marine
engine is linked to use suitable for the engine and
its gearbox's specifications (type of boat, hours
and RPM of use).

3 - ENGINE IDENTIFICATION

On all correspondence, requests for information
and orders for parts, it is essential to indicate the
references appearing on the engine and revers-
ing gearbox identification plates.
IMPORTANT: Note the serial number and the
engine and transmission model designations.
Keep a copy of this information in a safe place.
IDENTIFICATION OF MAIN PARTS
1. Heat exchanger
2. Cooling liquid filler hole
3. Block drain plug
4. Fresh water pump
5. Sea water pump
6. Alternator
7. Flexible mount
8. Electrical connector
9. Starter
10.Engine oil filler hole
11.Engine oil extraction tube
12.Air filter
13.Exhaust elbow
14.Anode
15.Oil filter
16.Oil pressure sender
17.Reverse gear box
18.Injection pump
19.Fuel solenoid control
20.Throttle lever
21.Air cooler
22.Turbo
23.Heat exchanger drain plug
24.Turbo vent valve
25.Turbo drain valve
26.Air cooler condensation exit hole
27.Minus terminal attaching nut
28.Fuel oil cooler ( 4.390 only)
29.Engine fuel filter