Brand new yacht dark gas oil found to be carbon contaminated

During delivery trials of a new yacht, it was found that several fuel filters were becoming choked.

During delivery trials of a new yacht, it was found that several fuel filters were becoming choked. On site examination of the filters found a dark grey to black, tar like deposit adhering to the upstream side of the filters. Samples of the fuel were taken from different storage tanks and from system pipes. A theory was that the system lubricating oil was contaminating the fuel. Spectro was contacted and filters, fuel and lubricant samples were forwarded to the laboratory.

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