Table of Contents
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Table of Contents
Related Manuals for Nanni N3.21
Summary of Contents for Nanni N3.21
- Page 1 Instruction manual Marine Diesel engine N3.21 13122011-D MU_N3.21_970313240_ENG...
- Page 2 Technical characteristics ENGINE SPECIFICATIONS N3.21 Cycle 4 strokes, Diesel Max. power - kW (hp)* 15,4 (21) Number of cylinders / Arrangement 3 in line Displacement (cm3) Fuel timing before TDC (°) 20 to 22 Compression rate 23:1 Aspiration Atmospheric Bore x stroke (mm)
- Page 3 Main parts of the engine Non-binding photographs. The coupled equipment and accessories can vary according to your level of equipment. 1. Alternator 12. Oil fi lter 2. Alternator belt 13. Heat exchanger 3. Starter 14. Coolant fi ller port 4. Air fi lter 15.
- Page 4 Then, rinse the fi lter with clear water. Press the fi lter to remove any water and to dry it. NANNI DIESEL has designed a cleaning kit which is suited to certain models of air fi lters.
- Page 5 Inspection and adjustment of the levels Bleeding the fuel system The fuel system is self-priming but it needs to be manually bled when the fi lter is changed, after it runs out of fuel or after work on the system if it has run dry or it has been emptied. •...
- Page 6 Inspection and adjustment of the levels Alternator belt Warning !: Perform this operation with the engine stopped. A. Alternator B. Alternator belt Regularly check the tensions of the alternator belt. Tension the belt between the pulleys in accordance with the tension or defl...
- Page 7 Inspection and adjustment of the levels Coolant level Warning !: When fi lling the cooling system, the coolant level must be checked after 10 minutes of use since the system purges itself automatically. Top up if necessary. A. Coolant plug B.
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Page 8: Installation Inspection
Installation Inspection Warning! : Your engine must be installed by an authorised shipyard or a qualifi ed Nanni Industries representative in accordance with the on board assembly instructions. However, you can check some important points on the installation of the engine. However, your installation can be different than the one that is indicated in this chapter. - Page 9 Installation inspection Fuel supply system Pump Max height (m) The fuel tank of the engine must be placed as possible at the same level or slightly higher than the engine. Standard pump The return pipe must be placed under the mini level of the fuel tank.
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Page 10: Instrument Panel
Instrument panel The instrument panel provides you with important information on the engine when it is in operation. Regularly check this information when the engine is running. 2 ranges of instruments panels are available. Only the position and / or appearance of the instruments and / or the icons vary depending on the type of panel. - Page 11 Instrument panel Eco3 Eco4 ON / STOP START STOP RPM x 100 ON / STOP START STOP RPM x 100 ON / STOP START °C °F STOP RPM x 100 ON / STOP START °C °F STOP...
- Page 12 E-mail : contact@nannidiesel.com © 2009 - Nanni Industries SAS The images, text and information contained in this document are based on the product’s features at the time of publication. Nanni Diesel reserves the right to modify this document without prior notice.