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Troubleshooting
Solé, S.A. C-243 b, km 2 · 08760 Martorell (Barcelona) ·Tel. +34 93 775 14 00 · www.solediesel.com · [email protected]
45
Marine Diesel gensets. Operator’s Manual.
GENSET FAILURE
PROBABLE CAUSES
RECOMMENDED ACTIONS
UNDER LOAD
VOLTAGE BELOW
NOMINAL
ALTERNATOR (AC)
Calibrate the voltage.
Current too high, cosφ very low, speed below 4% of nominal.
Change the regulator.
Check the diodes, unhooking the cables.
UNDER LOAD
VOLTAGE ABOVE
NOMINAL
ALTERNATOR (AC)
Calibrate the voltage.
Change the regulator.
UNSTABLE
VOLTAGE
ALTERNATOR (AC)
Check for uniform rotation.
Control regulator stability by adjusting potentiometer.
BLACK SMOKE
FUEL SYSTEM
Fuel filter clogged
Change fuel filter.
Fuel injectors dirty or faulty
Clean, test and/or replace the inoperative fuel injector.
Injection pump incorrectly set
Contact with our dealer
INLET AND EXHAUST SYSTEM
Air filter clogged
Replace air filter element.
LOAD GENSET
Propeller to large (not enough
rpm)
The power curve of the genset is not adequate. Carry out a
propulsive power study.
BLUE SMOKE
GENERAL
Valve clearance incorrect
Adjust the valves.
LUBRICATION SYSTEM
Oil level too high
Restore the oil to normal operating level.
GENSET OVER-
HEATING
GENERAL
Compression weak
Check the compression.
Overload
Propeller too large, replace.
Incorrect injection time
Adjust the injection time of the injection pump.
LUBRICATION SYSTEM
Faulty oil pump
Contact with our dealer
Oil viscosity too high
Check oil specifications (oil used must be chosen according to
Technical Specifications).
Oil level too low
Restore the oil level. Inspect the genset for oil leaks.
COOLING SYSTEM
Faulty coolant pump
Check coolant pump (impeller, pump sealing).
Seawater cock clogged or
restricted
Clean the cock, check the seawater pump impeller for damage.
Faulty seawater pump
Check seawater pump (impeller, pump sealing).
Water cooler clogged
Clean the water cooler and the tube stack fitted in the heat
exchanger.
Coolant level low
Restore the coolant to normal operating level.
Thermostat inoperative
Replace the thermostat.
INLET AND EXHAUST SYSTEM
Air filter clogged
Replace air filter.