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Nanni N3.21 - User Manual

Nanni N3.21
68 pages
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Nanni marine engine
Operators manual
Engines
N2.10
N2.14
N3.21

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Summary

3 SAFETY

Safety precautions

Covers hazards related to exhaust gas, burns, fire, explosion, electrical shock, battery acid, rotating parts, accidental starting, chemical products, and water ingress.

4 OVERVIEW

Engine installation

Installation must be done by an authorized Nanni workshop to ensure safety, environmental protection, and maximum service life.

6 OPERATION

Starting the engine

Provides safety warnings about the propeller and start sprays, and outlines steps for starting with or without booster batteries.

7 MAINTENANCE

Service schedule

Details maintenance tasks before operation, every 100, 200, and 400 operating hours or annually/bi-annually.

Lubrication system

Details checking oil level, draining oil, and changing the oil filter for proper engine lubrication.

Cooling system

Explains system overview, coolant mixture, level checks, and filling procedures for optimal engine temperature.

8 TROUBLESHOOTING

Troubleshooting chart

A chart listing common engine problems and their probable causes, referring to numbered component lists.

9 TECHNICAL DATA

Nanni N3.21 Specifications

General IconGeneral
Engine TypeDiesel
Power Output21 hp
Cylinders3
Displacement0.762 liters
Cooling SystemFresh water cooled
Weight142 kg
Max RPM3600 rpm

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