95
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.
Summary of Contents for Q1500 Series
Page 1: ...NANNI GENERATOR SET USER MANUAL DGBXXT090049 Q1500 Series...
Page 2: ......
Page 4: ...4 Q00 TRACKED CHANGES...
Page 8: ...8 S00 SUMMARY...
Page 32: ...32 S03 FLUIDS...
Page 38: ...30 S05 COMPOSANTS...
Page 40: ...32 S05 COMPOSANTS VIEW N 1 OF THE GENERATOR SET...
Page 41: ...33 S05 COMPOSANTS VIEW N 2 OF THE GENERATOR SET...
Page 52: ...52 S 07 MAINTENANCE Battery voltage 72 Battery specific gravity 72...
Page 53: ...53 S 07 MAINTENANCE...
Page 74: ...74 S 07 MAINTENANCE...
Page 76: ...76 S08 AL TERNATOR...
Page 88: ......
Page 96: ...96 S11 TROUBLE SHOOTING...
Page 97: ......
Page 98: ......