Exhaust valve knocking
MAN B&W L23/30H — tehničke informacije, četverotaktni pomoćni dizelski motor (agregat)
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Loose adjusting screw, damaged push-rod disc
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Priručnik proizvođača, str. 38Inspect and replace parts
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 frictionSmoky exhaust in normal runningFouled turbocharger, defective nozzles, low air supplyLube 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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