You notice that the fuel oil sludge tank level is increasing at a higher than normal daily rate. The main engine fuel oil leakage tank has a normal level. What would you consider your first action to be?
• Fuel oil sludge tank function and typical contents (fuel vs separated water and solids) • Relationship between fuel oil leakage tank level and potential leakage sources • Importance of identifying what is filling a tank before adjusting machinery settings
• If the sludge tank is rising faster than normal, what different substances could be entering it, and how would that affect your next step? • How does the normal level in the main engine fuel oil leakage tank help you rule out certain causes? • Before changing centrifuge settings or throughputs, what basic information do you need about the contents of the tank?
• Confirm whether the sludge tank contents are fuel, water, or a mix before making adjustments • Verify if there are any signs of water contamination in the fuel system (e.g., soundings, tests, sight glasses) • Check whether the indicated problem is one of quantity/source identification or centrifuge operating parameters
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