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Periodicity: following maintenance table. 

(See values on board of technical characteristics) 

Replacement of the seawater pump impeller 

- Close the seacock valve. 

- Take out the water pump cover. 

- Extract the worn impeller with the help of a 
crocodile clips. 

- Clean the kept parts. 

- Place the new impeller 

- Refit the water pump cover using a new gasket. 

- Open the seacock valve. 

- Start the engine and check the circuit water-
proof ness 

Electrical equipment 

Regularly check the tension of the alternator belt. 
Tighten the belt between the pulleys. (190 Nm 
using a Denso SST). 

 

 

DANGER:  - Stop the engine and switch off the 

main battery switch, before making any repairs to 
the electrical system

Battery 

- Check the battery elements condition once per 
season. 

- The density of the electrolyte should be be-
tween 1.270 and 1.285  

- The electrolyte should be check periodically. 
The level should be maintained at 1 cm above 
the accumulator plates. Add distilled water, it 
necessary. 

 

 

DANGER:  Never approach with a flame, and 

never check the battery with “a spark", because 
the gases, which may be released, are inflamma-
ble and explosive - The battery electrolyte is 
highly corrosive. If battery acid comes in contact 
with your skin, immediately wash with soapy wa-
ter: 

Rinse eyes abundantly with water and consult a 
physician immediately. 

 

Do not short circuit. 

RECOMMENDATIONS: 

In order to ensure proper 

operation of the alternator and integrated regulator: 

Never: 

- Turn off the battery main switch whilst the en-
gine is running (risk of damage to the regulator) 

- Reverse the battery terminals. The terminals 
are respectively (positive) and - 
(negative); the negative is the ground terminal;
( the cable terminations and the cables must be 
correctly attached). 

- Change the circuit charger while the engine is 
running. 

For the use of several batteries, install a battery 
isolator (consult our network). ' 

In case of starting the engine with a spare battery 
and jumper cables, proceed in the following man-
ner: 

- Disengage the main battery circuit, connect the 
spare battery to the main battery by connecting 
the + to the + and the –to the -. Once the engine 
starts, disconnect the jumper cables and never 
cut the main battery circuit. 

You must disconnect the 2 battery cables 
when: 

- You use a battery charger 

- Before any repair to the electrical system. 

- Before doing any soldering work on a metal hull. 

 

Rinsing the cooling system 

Fresh water system 

- Remove the Heat Exchanger pressure cap. 

- Open the drain valve under the turbo volute 

- Release the bolt banjo located under the ex-
haust manifold. 

- Remove the block drain plug situated on the 
thermostat cover 

- Drain the water from the heat exchanger and 
from the engine block 

- Refill the system with fresh water and let the 
engine run for several minutes at low rpm.. 

- Apply the procedure of filling/priming described 
on the paragraph: Closed cooling circuit 

- Drain the water and again replace it with a mix-
ture of antifreeze/fresh water. 

- Fill the cooling system according to instructions. 

 

NOTE:  In the case where a boiler system is con-
nected to the engine, also completely drain this 
one, and to refill it, note the quantity of the cool-
ant mixture being added. Check to see that all air 
is purged from the system during the refilling.

 

 

I

 

WARNING:  Liquid under pressure. Do not 

open the pressure cap when the engine is warm. 

Allow the engine to coo/ and open the cap with 
caution (two steps turning). 

Draining the Sea water system. 

- Close the seacock 

- Drain all of the seawater intake pipes, the filter, 
the seawater pump, the heat exchanger pipe, by 
unscrewing the assembly collars. 

- Drain the exhaust system, since a certain quan-
tity of water remains at the bottom of the water 
lock. 

Cleaning the heat exchanger; air cooler, fuel 
oil cooler (if fitted), and gearbox oil cooler

 

ENGLISH 

Summary of Contents for T4.155 seriers

Page 1: ...Notice de conduite Instruction manual Manuale d istruzione Betriebsanleitung Instructieboek Manuale de instrucciones Instruksjonbok K ytt ohje P N 970 312 832 2004 10...

Page 2: ......

Page 3: ...measures or directs your attention to dangerous practices which may cause injuries to persons or damage the boat or its components The user should take all necessary precautions regarding operations a...

Page 4: ...gineers 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...

Page 5: ...luids used for the operation of the engine may be dangerous to your health The engine oil may damage your skin wear gloves NOTE Modern diesel engines are precision ma chines which require the use of h...

Page 6: ...ean the filter regularly I CAUTION Before starting the engine check to see that the seacock is open since even a few seconds dry operation will damage the water pump impel en After cleaning the seawat...

Page 7: ...l engine filling by seawater Twin installation In case of using only one en gine close the seacock of the not running en gine Never forget to open the seacock before restart ing the engine ENGINE RUN...

Page 8: ...r the use of several batteries install a battery isolator consult our network In case of starting the engine with a spare battery and jumper cables proceed in the following man ner Disengage the main...

Page 9: ...400 hours or every 2 years according to maintenance board and SILVERWAKE booklet Engine oil change The oil change accessory pump removes the en gine oil preferably when the engine is slightly warm Pum...

Page 10: ...re cap R X Coolant R X Thermostat R X Exchanger tube bundle cleaning C X Air cooling tube bundle cleaning C X Fuel oil cooler 4 390 TDI C X Sea water filter cleaning C According clean state Fuel pre f...

Page 11: ...haust 0 30 Engine oil recommended API mini CD SAE 15 W 40 Engine oil capacity following installation angle 6 4 to 7 7 l ZF Marine gearbox ZF25A ZF25A 26 ZF45A ZF45A ZF lubricant capacity 1 5 l 1 5 2 l...

Page 12: ......

Page 13: ...Nanni Industries S A S 11 Avenue Mariotte Zone Industrielle BP 107 33260 La Teste France Tel 33 0 5 56 22 30 60 Fax 33 0 5 56 22 30 79 E mail contact nannidiesel com...

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