During manoeuvring, pilot complained about significant amount of sparks flying out of the funnel. What is the cause of sudden sparks emission and how to avoid such situation? |
Sparks usually appear after sudden increase of load on Main Engine or Auxiliary Engines. Spark emission indicate that exhaust gases of high temperature ignited unburnt fuel remains which accumulate inside exhaust trunk, Exhaust Gas boiler and silencers. Unburnt fuel remains usually accumulate when engines are running on partial loads for a prolonged period of time, when using poor quality fuel or exhaust gas boiler (economizer) water washing been neglected. Preventive measures include:
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