Contaminated lube oil caused engine damage
The Swedish P&I Club issues Monthly Safety Scenario for September 2015 The Swedish P&I Club has published its Monthly Safety Scenario for September 2015 regarding contaminated lube oil which caused by engine damage.The Swedish Club publishes on a monthly basis a new "Monthly Safety Scenario" (MSS) to assist owners in their efforts of complying with the maritime regulations.The vessel was sailing in good weather. Suddenly the high lube oil temperature alarm activated and the main engine stopped automatically. Investigations revealed an abnormal level in the sump tank and the cooling water expansion tank had lost water.Cooling water had got into the lubricating oil sump and contaminated the lube oil system. It was further found that the number 2 cylinder head was leaking coolant from a loosened guide bolt on the inlet valve crossbar. Attempts to tighten the bolt failed. The cylinder head was replaced with a spare.Approximately 900kg of fresh oil was filled without draining off any contaminated oil. The main engine was restarted and the voyage resumed. Two days later when the vessel was approaching the pilot station an alarm sounded indicating a high lube oil temperature from cylinder number 3.The engine was stopped and investigations were carried out. ...
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