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Manual Nanni 6.420TDI Boat Engine

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Manual

CONTENTS

1. SAFETY INFORMATION

2. GENERAL INFORMATION

3. ENGINE IDENTIFICATION

• Identification of main components

4. PREPARATION PRIOR TO RUNNING

5. ENGINE OPERATIONS

• Switching on

• Switching off

• Running in / Servicing under guarantee

• List of guarantee check operations

6. MAINTENANCE

• Draining engine oil

• Replacing oil filter

• Fuel filter replacement

• Nozzle holder replacement

• Flushing cooling system

• Replacing water pump

• Electrical/battery equipment

• Adjusting valve clearance

• Reverse reduction gear

• Recommendations

• Periodic Maintenance schedule

• Technical features

• Recommended onboard equipment

*All information and specifications contained in this

manual are based on the technical data in use at the

time of publication.

1 – SAFETY INFORMATION

This operating manual was compiled to help you get

the most out of your engine and its ancillary equip-

ment. It contains important instructions which should

be observed when the engine is running.

It is extremely important that it is read by the

user. It should be always kept in the same loca-

tion as the engine.

SAFETY SYMBOLS

These symbols are used to indicate that a danger

exists. They are aimed at drawing your attention to

components or operations that could be dangerous

for yourself or other persons using the engine.

Please read the recommendations they contain care-

fully. It is highly important that you read the safety

instructions and rules before running engine.

I DANGER

Means that an extremely serious danger which could

result in death or major disability if the appropriate

specific measures are not taken.

I WARNING

Means that a danger exists which could cause injury

or death if the appropriate specific measures are not

taken

I CAUTION

Acts as a reminder that safety measures need to be

observed, or draws attention to dangerous actions

which could cause personal injury or damage to the

vessel or its components.

The user should take all necessary precautions in

terms of handling and protection and should seek

advice from a sector professional.

Non-respect of the safety instructions could lead to:

Bodily danger, a danger of environmental pollution

(dangerous substance leaks), danger to equipment

that could cause essential engine operation malfunc-

tions.

• FOLLOW ALL SAFETY RECOMMENDATIONS

- Comply with the engine's warning and caution stickers

- Remove the ignition key and close the battery cut-out

before working on the engine or its ancillary equipment

- Close the engine casing and replace all protective

parts before starting the engine

- Always kept the working area around the engine clean

and uncluttered

- Keep all inflammable liquids outside the engine com-

partment

- Never run the engine when under the influence of al-

cohol or medicines

• WEAR PROTECTIVE CLOTHING

- To avoid bodily injury, keep clear of rotating parts and

do not wear loose clothing near the engine when it is

running.

- Use safety clothing and equipment, protective goggles,

gloves, etc. in accordance with circumstances and

when they are required.

• FUELS AND LUBRICANTS

- Switch off the engine before re-fuelling or adding lubri-

cation products

- Do not smoke or use naked flame during re-fuelling

- Wear gloves when looking for a possible leak

- Hot oil can cause burns – let the engine cool before

checking the oil level, or changing the oil or oil filter car-

tridge

- Always use NANNI DIESEL recommended fuels and

lubricants

ENGLISH

Operating and maintenance manual

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