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During inspection of a cylinder of a large slow speed diesel engine it is noted that there are hard deposits around the upper part of the piston crown above the top ring groove and also some evidence of scuffing on the liner wall. What is the most likely cause of this problem.

17 Aug '19, 03:49

Aug. 17, 2019, 3:49 a.m.
KnowledgeBase's gravatar image


Cylinder oil with TBN to great for fuel grade is being used.

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17 Aug '19, 03:50

Aug. 17, 2019, 3:50 a.m.
cheng's gravatar image

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