FNM HPE 300 Owner's Manual page 69

Marine Diesel Engines
Possible fault
Air in fuel supply system.
Fuel filter clogged with water and/or contamination.
Leaking in the fuel supply line or fuel injection line
Faulty injectors.
Locked suction valves.
Possible fault
Oil level too low.
Excessive inclination of engine.
Oil pressure apparently too low due to faulty oil pressure switch, sensor
or meter.
Incorrect lube oil SAE class or quality for ambient temperature.
Oil leaks .
Clogged oil filter
Faulty oil pump
Possible fault
Oil level too high.
Excessive inclination of engine.
Insufficient comburent air.
Incorrect lube oil SAE class or quality for ambient
temperature.
Engine overloaded.
Leak in lubricating oil system.
Oil steams condenser clogged .
Turbocharger oil leaks .
Possible fault
Incorrect fuel quality or dirty fuel.
Insufficient comburent air.
Fuel leaks .
Faulty injector/injector pump.
Possible fault
Oil level too high.
Excessive inclination of engine.
Faulty injectors/sprayers.
Possible fault
Oil level too high.
Leaking from turbo compressor oil seal.
Possible fault
Insufficient intake air, dirty air filter.
Leak in the air manifold.
Dirty intercooler.
Incorrect oil level .
Engine overloaded, max. rpm is not reached.
Engine overloaded, dirty propeller -boat hull, excessive
load on-board.
Turbocharger actuator blocked
Faulty turbo compressor.
ENG rel. 1/11
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Not all cylinders are working
Check and bleed.
Check or replace.
Check / replace.
Check, replace if required.
Check, replace if required.
Low oil pressure
Raise the level.
Check / Adjust.
Check /replace
Replace.
Check /replace
Replace.
Repair / replace.
Excessive oil consumption
Reduce the level.
Check / Adjust.
Check .
Replace.
Check size of propeller.
Repair / replace.
Replace
Replace or repair.
Excessive fuel consumption
Check fuel. Drain and rinse fuel tank. Replace with new
fuel.
Check .
Check and repair.
Check, replace if required.
Black exhaust smoke (idling)
Reduce the level.
Check / Adjust.
Check / replace.
Blue exhaust smoke (idling)
Reduce the level.
Check /replace the seal
Black exhaust smoke (at load)
Check/clean.
Check / replace.
Check/clean.
Check.
Check sizes of propeller and/or boat weight.
Check and clean if required.
Unblock / replace.
Check / replace.
www.fnm-marine.com
ANUAL
Remedy
Remedy
Remedy
Remedy
Remedy
Remedy
Remedy
Engine maintenance
HPE300
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