Ⅰ．主機関クロスヘッド軸受メタル剥離

摘要

2010年7月29日主機関クランクケース内検時No．6とNo．7シリンダ間底部にホワイトメタル片を発見した。8月26日シンガポール寄港時、メーカ技師訪船の上、各部点検した結果、No．7シリンダのクロスヘッド軸受＊メタルの剥離を確認し、取替えを実施した。%On July 29,2010,when an internal inspection of the main engine crankcase was carried out, fragments of white metal were found at the bottom between Nos. 6 and 7 cylinders. On August 26, when the ship called at Singapore, a service engineer of the maker visited the ship and inspected each unit. Because the inspection revealed that the crosshead bearing metal of the No.7 cylinder had exfoliated, the damaged crosshead bearing was replaced. On September 9, crosshead bearings of the other cylinders were overhauled to verify safety at Yokohama, The overhaul revealed that apart from the No. 7 cylinder, crosshead bearing metals of all the other cylinders had exfoliated (see Photo 1 and 2).