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 Accidental starting

Accidental starting can cause serious injury and even 

death! 
Disconnect the battery before working on the generat-

ing set. 
Ensure no one is alongside the generating set or work-

ing on the set before starting it. 
Ensure all the protection mechanisms are in place be-

fore starting the generating set.

 Risk of battery explosion

A battery explosion can cause serious injury and even 

death!
Do not smoke near the batteries and keep them away 

from sources of ignition (flames or sparks). They pro-

duce hydrogen which could ignite or explode on contact 

with an electrical arc or a flame. Switch off all electrical 

appliances in the vicinity when you are working on the 

batteries.  Ensure  the  battery  storage  compartment  is 

corrected ventilated.
Avoid touching the battery terminals with metal tools so 

that  no  sparks  are  created  which  could  cause  an  ex-

plosion.  Remove  your  rings,  bracelets  and  necklaces 

before handing the batteries.

 Battery acid

The acid in batteries can cause serious injury and even 

death!
When  servicing  the  batteries,  wear  protective  gloves 

and goggles. Batteries contain sulphuric acid which is 

highly corrosive. 
Acid can spurt from batteries when they are handled. 

If the acid comes into contact with the skin, rinse thor-

oughly in fresh water and consult a doctor. 

 Exhaust gas

Ensure the exhaust circuit correctly expels the gas pro-

duced by the generating set.
 Regularly check that the exhaust circuit is free of leaks 

and that the exhaust elbow is correctly affixed.
Operate the generating set in a well aerated and ven-

tilated area away from other people. Run the fan when 

the generating set is operational.

 Rotating parts

Rotating parts can be extremely dangerous and cause 

serious injury and even death! 
Do not work on the generating set when it is operational. 

If work on the engine when running is absolutely neces-

sary, do not touch any hot or rotating parts. 
Baggy clothing, hair or objects could be pulled in and/or 

caught and cause serious injury or substantial property 

damage. 

Do not wear bracelets, necklaces or rings when working 

on a generating set.
Check that the bolts and screws are properly tightened 

and that the protection mechanisms are in place.
Do not check the fluid levels or tension of the alternator 

belt when the generating set is operational.

 Lifting the generating set

To lift the generating set, use the hoisting eyes on the 

appliance. 
Always check the robustness and overall condition of 

the lifting equipment. Use suitable gear (cables, beams, 

machines, etc.) to lift your generating set. Check that 

your gear is capable of lifting the set. 
Lifting cables and chains must be able to move parallel 

to each other. 
Do not forget that any additional equipment mounted on 

the generating set could alter its centre of gravity. When 

lifting the set, it should remain as parallel as possible to 

the ground. 

 Maintenance and spare parts

Nanni Diesel engines are designed to meet the different 

emission standards while delivering maximum service 

life and reliability. 
Regularly  servicing  and  replacing  parts  with  original 

Nanni Diesel parts will ensure the generating set con-

tinues to function optimally. 
These parts can be ordered from all Nanni Diesel deal-

ers throughout the world.

 Chemical products

The different fluids used to run the generating set are a 

health hazard. 
Carefully  read  the  instructions  on  the  packaging  of 

these products and always check that the ventilation in 

the hold space is adequate.

6

Safety precautions 

Summary of Contents for QLS 10T

Page 1: ...MARINE GENERATING SET INSTRUCTION MANUAL MU_GE_970315535_ENG QMS 32T QMS 39T QLS 32T QLS 39T QLS 47T...

Page 2: ......

Page 3: ...l system 16 Bleeding the fuel circuit 16 Replacing the fuel filter 16 Replacing the fuel prefilter 16 Draining the water from the fuel prefilter 16 Lubrication system 17 Checking the oil level 17 Drai...

Page 4: ...should be carried out by Nanni Diesel authorised per sonnel or by a professional If you have to work on the generating set carefully follow the safety instructions set down in this manual Certain info...

Page 5: ...ant and oil circuit caps when the generating set is operational and or hot Never start or run the generating set when the oil fill cap is not screwed on as hot oil could spray out If you come into con...

Page 6: ...nal I Rotating parts Rotating parts can be extremely dangerous and cause serious injury and even death Do not work on the generating set when it is operational If work on the engine when running is ab...

Page 7: ...use special filters Avoid using fuel mixed with water or other substances as you may damage the engine The engine performance is influenced by the fuel tem perature the temperature and relative humidi...

Page 8: ...ng I Caution Your generating set must be installed by a shipyard or authorised representative following the on board assembly instructions The electrical connections must also be carried out by qualif...

Page 9: ...gauge 14 Fuel filter 15 Fuel pump 16 Supports 17 Generator 18 Generator identification plate 19 Engine identification plate 20 Generating set hoisting eyes Principal parts of the generating set QLS32T...

Page 10: ...orifice 11 Oil filter 12 Oil drain pump option 13 Oil gauge 14 Fuel filter 15 Fuel pump 16 Supports 17 Generator 18 Generator identification plate 19 Engine identification plate 20 Generating set hoi...

Page 11: ...3 Battery charge This indicator illuminates when the set is switched on If it lights when the generating set is running this indicates an engine alternator charging fault 4 Oil pressure This indicator...

Page 12: ...INJECTION SYSTEM QMS32T QLS32T QMS39T QLS39T QLS47T Combustion principle Indirect Direct Intake Atmosph rique Natural Turbo Injectors Type Bosch mini Injection pressure bar 140 250 Fuel type Gazole NF...

Page 13: ...circuit compo nent has been replaced Starting the generating set I Caution On a soundproof generating set the lo cal remote selector must be in remote position to start the generating set using the in...

Page 14: ...set except in emergencies and contact your Nanni Diesel authorised dealer Stopping the generating set Before stopping the generating set cut the power of the electrical appliances connected to the cr...

Page 15: ...50 of pure antifreeze Use clean and distilled water for the mix Water that is too hard will produce limescale build up and will reduce the cooling system s effectiveness The cooling system allow the...

Page 16: ...e generating set as they may increase the risk of fire in the engine compartment Check the operation of the different lamps and indica tors situated on the instrument panel Take care not to get the ge...

Page 17: ...receptacle under the filter and then remove the used filter C cartridge Apply a thin layer of fuel over the seal surface of the new filter cartridge before fitting it Tighten it by hand until the fil...

Page 18: ...urn Start the engine and let it warm up for approximately 5 minutes so that oil suction is easier Stop the engine Use a pail to collect the extracted oil and pump until the oil has been completely ext...

Page 19: ...t must be drained in or der to remove the various deposits that can build up in the circuit Carry out this operation with the engine stopped and cold Place a receptacle under the drain cap then un tig...

Page 20: ...d with fresh wa ter Ensure the receptacle you use is large enough as the seawater pump must never be run without water Check that no one is in the vicinity of the engine and then start it Let the engi...

Page 21: ...p propriate grease If the battery is replaced use a battery with similar specifications to the previous one If starting with an emergency battery and connection cables proceed as follows Connect the e...

Page 22: ...tec tion of the generating set and consequently the gener ating set itself The installer should ensure that all the necessary precautions are taken to guarantee the cor rosion protection of the genera...

Page 23: ...ce the fuse or replace the circuit breaker Electrical circuit breaker is not working Electrical connections are faulty Check the electrical connections and wires especially the battery cables Clean an...

Page 24: ...ck or faulty Re tighten or replace the belt Seawater pump rotor is faulty Replace the rotor Insufficient coolant Fill with coolant and check that the cooling system is leak tight Thermostat is malfunc...

Page 25: ......

Page 26: ...Nanni Industries S A S 11 Avenue Mariotte 33260 La Teste France Tel 33 0 5 56 22 30 60 Fax 33 0 5 56 22 30 79 www nannidiesel com...

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