Smoky exhaust in normal running
MAN B&W L23/30H — tehničke informacije, četverotaktni pomoćni dizelski motor (agregat)
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Fouled turbocharger, defective nozzles, low air supply
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Priručnik proizvođača, str. 38Clean turbine, overhaul fuel valves
Ostali kvarovi MAN B&W L23/30H — tehničke informacije
Exhaust temperature rises on all cylindersCharge air cooler ineffective, fouled air/gas passages, poor fuel, wrong camshaft positionExhaust temperature rises on one cylinderDefective fuel valve, leaking exhaust valve, blow-by, damaged fuel camExhaust temperature drops on one cylinderAir in fuel pump, sticking fuel valve spindle, sticking pump plungerEngine rpm dropsLow fuel pressure, water in fuel, governor or valve faults, increased frictionExhaust valve knockingLoose adjusting screw, damaged push-rod discLube oil pressure failsPump defective, filters or cooler fouledEngine does not turn on startLow air pressure, main valve closed, pinion not engaging, start valve stuck, electrical fault
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