Nanni Q2400 Series, Руководство пользователя

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107
S11 TROUBLE SHOOTING
EMERGENCY ENGINE STOP
Defect Solutions
Engine speed
variations.
• Check timing and injection.
Unusual noise. • Check all rotating parts.
Smoke suddenly
turns black.
• Check the injection, especially
the injection nozzles.
Overheating of
the bearings.
• Check the lubricating system.
Oil indicator ON.
• Check the lubrication.
• Check bearing clearance.
• Check the lubrication lift pump.
• Check the pressure sensor.
• Check the filter seal.
ENGINE OVERHEATING
Defect Solutions
Oil level too low. • Check the oil circuit, add oil.
Extended
or broken
alternator belt
• Replace the belt or adjust the
tension.
Coolant level
too low.
• Check the system and top up
with recommended fluid identical
to that in the engine.
Too much
antifreeze
• Add water and check the
antifreeze concentration
or replace the coolant as
recommended.
Defective
thermostat
• Check the thermostat and
replace if necessary.
Faulty
temperature
sensor
• Check the engine temperature
with an electronic thermometer
• Check the sensor and replace the
sensor if necessary.
Overload Reduce electrical overload.
Head gasket
leakage.
Replace the defective seal.
Clogged
seawater circuit
• Check and clean the seawater
filter.
• Check that the valves in the
seawater circuit are open.
• Check and clean if necessary the
heat exchanger tube core.
Wrong fuel.
• The fuel must comply with EN
590. See fluids section.